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7614 schaersvoo 1
/*
2
27/7/2013 version 0.01
3
"Inspired" by FLY program: http://martin.gleeson.com/fly
4
*********************************************************************************
5
* J.M. Evers 7/2013                                                             *
6
* This is all just amateur scriblings... So no copyrights.                      *
7
* This source code file, and compiled objects derived from it,                  *
8
* can be used and distributed without restriction, including for commercial use *
9
* No warrenty whatsoever                                                        *
10
*********************************************************************************
11
*/
12
#include <stdio.h>
13
#include <stdlib.h>
14
#include <errno.h>
15
#include <string.h>
16
#include <unistd.h>
17
#include <time.h> /* use for random id's */
18
#include <math.h>
19
/*
20
#include <ctype.h>
21
11/2013
22
removed: FreeBSD 9.0 / 9.1 C-lib bug...in chroot it will result in: Undefined symbol "_ThreadRuneLocale" implemented own versions of tolower() / toupper()
23
Clang is fine (FreeBSD 10.0)
24
*/
25
 
26
/*
27
in case svgdraw is in ~/src/Misc/svgdraw
28
#include "../svgdraw/include/matheval.h"
29
*/
30
#include "include/matheval.h"
31
#include <assert.h> 
32
#include "canvasdraw.h"
7634 schaersvoo 33
#include<sys/stat.h>
7614 schaersvoo 34
 
35
/* needed for gettimeofday */
36
#include <sys/time.h>
37
#include "canvasmacro.c"
38
/******************************************************************************
39
**  Internal Functions
40
******************************************************************************/
41
void    add_to_buffer(char *tmp); /* add tmp_buffer to the buffer */
42
void    sync_input(FILE *infile);/* proceed with inputfile */
43
void    canvas_error(char *msg);
44
void    add_javascript_functions(int js_functions[], int canvas_root_id);
45
void    reset();/* reset some global variables like "use_filled" , "use_dashed" */
46
int     get_token(FILE *infile); /* read next char until EOL*/
47
int     x2px(double x);
48
int     y2px(double y);
49
double  px2x(int x);
50
double  px2y(int y);
51
double  get_real(FILE *infile,int last); /* read a values; calculation and symbols allowed */
52
char    *str_replace ( const char *word, const char *sub_word, const char *rep_word );
53
char    *get_color(FILE *infile,int last); /* read hex-color or colorname -> hex */
54
char    *get_string(FILE *infile,int last); /* get the string at theend of a command */
55
char    *get_string_argument(FILE *infile,int last); /* the same, but with "comma" as  separator */
56
char    *convert_hex2rgb(char *hexcolor);
57
void    add_read_canvas(int reply_format);
58
void    make_js_include(int canvas_root_id);
59
void    check_string_length(int length);/* checks if the length of string argument of command is correct */
60
FILE    *js_include_file;
61
FILE    *get_file(int *line_number, char **filename);
62
FILE    *infile;    /* will be stdin */
63
/******************************************************************************
64
** global
65
******************************************************************************/
66
int finished = FALSE;/* main variable for signalling the end of the fly-script ; if finished = 1 ; write to stdout or canvasz */
67
int line_number = 1;/* used in canvas_error() ; keep track of line number in canvasdraw/fly - script */
68
/* set some variables to avoid trouble (NaN) in case of syntax and other usage errors */
69
int xsize = 320;
70
int ysize = 320;
71
double xmin = 0.0;
72
double xmax = 320.0;
73
double ymin = 0.0;
74
double ymax = 320.0;
75
double tmax = 2;
76
double tmin = -2;
77
/* flag to indicate parsing of line status */
78
int done = FALSE;
79
int type; /* eg command number */
80
int onclick = 0;/* 0 = noninteractive ; 1 = onclick ; 2 = draggable*/
7785 schaersvoo 81
int use_affine = FALSE;
7614 schaersvoo 82
int use_rotate = FALSE;
83
int use_translate = FALSE;
84
int use_filled = FALSE;
85
int use_dashed = FALSE; /* dashing not natively supported in firefox  , for now... */
86
char buffer[MAX_BUFFER];/* contains js-functions with arguments ... all other basic code is directly printed into js-include file */
87
 
88
/******************************************************************************
89
** Main Program
90
******************************************************************************/
91
int main(int argc, char *argv[]){
92
    /* need unique id for every call to canvasdraw : rand(); is too slow...will result in many identical id's */
93
    struct timeval tv;struct timezone tz;gettimeofday(&tv, &tz);unsigned int canvas_root_id = (unsigned int) tv.tv_usec;
94
    infile = stdin;/* read flyscript via stdin */
95
    int i,c;
96
    double double_data[MAX_INT+1];
97
    int int_data[MAX_INT+1];
98
    for(i=0;i<MAX_INT;i++){int_data[i]=0;double_data[i]=0;}
99
    int use_parametric = FALSE;/* will be reset after parametric plotting */
100
    int use_axis = FALSE;
101
    int use_axis_numbering = FALSE;
102
    int line_width = 1;
103
    int decimals = 2;
104
    int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
105
    int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
106
    int drag_type = -1;/* 0,1,2 : xy,x,y */
107
    int use_tooltip = FALSE;
108
    char *tooltip_text = "Click here";
109
    char *temp = ""; /* */
110
    char *bgcolor = "";/* used for background of canvas_div ; default is tranparent */
111
    char *stroke_color = "255,0,0";
112
    char *fill_color = "0,255,0";
113
    char *font_family = "12px Ariel"; /* commands xaxistext,yaxistext,legend,text/textup/string/stringup may us this */
114
    char *font_color = "#00000";
115
    char *draw_type = "points";
116
    char *fly_font = "normal";
117
    char *input_style = "";
118
    char *flytext = "";
7785 schaersvoo 119
    char *affine_matrix = "[1,0,0,1,0,0]";
7614 schaersvoo 120
    int pixelsize = 1;
121
    int reply_format = 0;
122
    int input_cnt = 0;
123
    int ext_img_cnt = 0;
124
    int font_size = 12;
125
    int dashtype[2] = { 2 , 2 };
126
    int js_function[MAX_JS_FUNCTIONS]; /* javascript functions include objects on demand basis : only once per object type */
127
    for(i=0;i<MAX_JS_FUNCTIONS;i++){js_function[i]=0;}
128
    int arrow_head = 8; /* size in px*/
129
    int crosshair_size = 10; /* size in px*/
130
    int plot_steps = 150;
131
    int found_size_command = 0;
132
    int click_cnt = 1;
133
    int clock_cnt = 0; /* counts the amount of clocks used -> unique object clock%d */
134
    int linegraph_cnt = 0; /* identifier for command 'linegraph' ; multiple line graphs may be plotted in a single plot*/
135
    int use_mouse_coordinates = FALSE;
136
    double angle = 0.0;
137
    int translate_x = 0;
138
    int translate_y = 0;
139
    int clickfillmarge = 20;
140
    int animation_type = 9; /* == object type curve in drag library */
7663 schaersvoo 141
    int use_input_xy = 0;
7614 schaersvoo 142
    size_t string_length = 0;
143
    double stroke_opacity = 0.8;
144
    double fill_opacity = 0.8;
145
    char *URL = "http://localhost/images";
146
    memset(buffer,'\0',MAX_BUFFER);
147
    void *tmp_buffer = "";
148
 
149
    /* default writing a unzipped js-include file into wims getfile directory */
150
    char *w_wims_session = getenv("w_wims_session");
151
    if(  w_wims_session == NULL || *w_wims_session == 0 ){
152
        canvas_error("Hmmm, your wims environment does not exist...\nCanvasdraw should be used within wims.");
153
    }
154
    int L0=strlen(w_wims_session) + 21;
155
    char *getfile_dir = my_newmem(L0); /* create memory to fit string precisely */
156
    snprintf(getfile_dir,L0, "../sessions/%s/getfile",w_wims_session);/* string will fit precisely  */
157
    mode_t process_mask = umask(0); /* check if file exists */
158
    int result = mkdir(getfile_dir, S_IRWXU | S_IRWXG | S_IRWXO);
159
    if( result == 0 || errno == EEXIST ){
160
     umask(process_mask); /* be sure to set correct permission */
161
     char *w_session = getenv("w_session");
162
     int L1 = (int) (strlen(w_session)) + find_number_of_digits(canvas_root_id) + 48;
163
    char *getfile_cmd = my_newmem(L1); /* create memory to fit string precisely */
164
     snprintf(getfile_cmd,L1,"wims.cgi?session=%s&cmd=getfile&special_parm=%d.js",w_session,canvas_root_id);/* extension ".gz" is MANDATORY for webserver */   
165
    /* write the include tag to html page:<script type="text/javascript" src="wims.cgi?session=%s&cmd=getfile&special_parm=11223344_js"></script> */
166
    /* now write file into getfile dir*/
167
    char *w_wims_home = getenv("w_wims_home"); /* "/home/users/wims" : we need absolute path for location */
168
    int L2 = (int) (strlen(w_wims_home)) + (int) (strlen(w_wims_session)) + find_number_of_digits(canvas_root_id) + 23;
169
    char *location = my_newmem(L2); /* create memory to fit string precisely */
170
    snprintf(location,L2,"%s/sessions/%s/getfile/%d.js",w_wims_home,w_wims_session,canvas_root_id);/*absolute path */
171
    js_include_file = fopen(location,"w");/* open the file location for writing */
172
    /* check on opening...if nogood : mount readonly? disk full? permissions not set correctly? */
173
    if(js_include_file == NULL){ canvas_error("SHOULD NOT HAPPEN : could not write to javascript include file...check your system logfiles !" );}
174
 
175
/* ----------------------------------------------------- */
176
/* while more lines to process */
177
 
178
    while(!finished){
179
        if(line_number>1 && found_size_command == FALSE){canvas_error("command \"size xsize,ysize\" needs to come first ! ");}
180
        type = get_token(infile);
181
        done = FALSE;
182
        /*
183
        @canvasdraw
184
        @will try use the same syntax as flydraw or svgdraw to paint a html5 bitmap image<br />by generating a tailor-made javascript include file: providing only the js-functionality needed to perform the job.<br />thus ensuring a minimal strain on the client browser <br />(unlike some popular 'canvas-do-it-all' libraries, who have proven to be not suitable for low-end computers found in schools...)
7749 schaersvoo 185
        @General syntax <ul><li>The transparency of all objects can be controlled by command 'opacity [0-255],[0,255]'</il><li>a line based object can be controlled by command 'linewidth int'</li><li>a line based object may be dashed by using keyword 'dashed' before the object command.<br />the dashing type can be controled by command 'dashtype int,int'</li><li>a fillable object can be set fillable by starting the object command with an 'f'<br />(like frect,fcircle,ftriangle...)<br />or by using the keyword 'filled' before the object command.<br />The fill colour will be the stroke colour...(19/10/2013)<li> a draggable object can be set draggable by a preceding command 'drag x/y/xy'<br />The translation can be read by javascript:read_dragdrop();<br />Multiple objects may be set draggable / clickable (no limit)<br /> not all flydraw objects may be dragged / clicked<br />Only draggable / clickable objects will be scaled on zoom and will be translated in case of panning</li><li> a 'onclick object' can be set 'clickable' by the preceding keyword 'onclick'<br />not all flydraw objects can be set clickable</li><li><b>remarks using a ';' as command separator</b><br />commands with only numeric or colour arguments may be using a ';' as command separator (in stead of a new line)<br />commands with a string argument may not use a ';' as command separator !<br />these exceptions are not really straight forward... so keep this in mind.<br />example:<br />size 200,200;xrange -5,5;yrange -5,5;hline 0,0,black;vline 0,0,black<br />plot red,sin(x)<br />drag xy<br />html 0,0,5,-5, &amp;euro; <br />lines green,2,0,2,-2,-2,2,-2,0;rectangle 1,1,4,4,purple;frectangle -1,-1,-4,-4,yellow</li></ul>
7614 schaersvoo 186
        */
187
        switch(type){
188
        case END:
189
        finished = 1;
190
        done = TRUE;
191
        break;
192
        case 0:
193
            sync_input(infile);
194
            break;
195
        case COMMENT:
196
            sync_input(infile);
197
            break;
198
        case EMPTY:
199
            sync_input(infile);
200
            break;
201
        case SIZE:
202
            /*
203
            @size width,height
204
            @set canvas size in pixels
205
            @mandatory first command
7647 schaersvoo 206
            @if xrange and/or yrange is not given the range will be set to pixels :<br />xrange 0,xsize yrange 0,ysize<br />note: lower left  corner is Origin (0:0)
7614 schaersvoo 207
            */
208
            found_size_command = TRUE;
209
            xsize = (int)(abs(round(get_real(infile,0)))); /* just to be sure that sizes > 0 */
210
            ysize = (int)(abs(round(get_real(infile,1))));
211
            /* sometimes we want xrange / yrange to be in pixels...without telling x/y-range */
212
            xmin = 0;xmax = xsize;
7647 schaersvoo 213
            ymin = 0;ymax = ysize;
7614 schaersvoo 214
 
215
/*
216
 The sequence in which stuff is finally printed is important !!
217
 for example, when writing a 'include.js" the may not be a "script tag <script>" etc etc
218
*/
219
fprintf(stdout,"\n<script type=\"text/javascript\">var wims_status = \"$status\";</script>\n<!-- canvasdraw div and tooltip placeholder, if needed -->\n<div tabindex=\"0\" id=\"canvas_div%d\" style=\"position:relative;width:%dpx;height:%dpx;\" ></div><div id=\"tooltip_placeholder_div%d\" style=\"display:block\"><span id=\"tooltip_placeholder%d\" style=\"display:none\"></span></div>\n",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id);
220
fprintf(js_include_file,"\n<!-- begin generated javascript include for canvasdraw -->\n");
221
fprintf(stdout,"<!-- include actual object code via include file -->\n<script type=\"text/javascript\" src=\"%s\"></script>\n",getfile_cmd);
7729 schaersvoo 222
fprintf(js_include_file,"var wims_canvas_function%d = function(){\n<!-- common used stuff -->\n\
223
var xsize = %d;\
224
var ysize = %d;\
225
var canvas_div = document.getElementById(\"canvas_div%d\");\
226
create_canvas%d = function(canvas_type,size_x,size_y){var cnv;if(document.getElementById(\"wims_canvas%d\"+canvas_type)){ cnv = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{try{ cnv = document.createElement(\"canvas\"); }catch(e){alert(\"Your browser does not support HTML5 CANVAS:GET FIREFOX !\");return;};canvas_div.appendChild(cnv);};cnv.width = size_x;cnv.height = size_y;cnv.style.top = 0;cnv.style.left = 0;cnv.style.position = \"absolute\";cnv.id = \"wims_canvas%d\"+canvas_type;return cnv;};\
227
function findPosX(i){ var obj = i;var curleft = 0;if(obj.offsetParent){while(1){curleft += obj.offsetLeft;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.x){curleft += obj.x;};};return curleft;};function findPosY(i){var obj = i;var curtop = 0;if(obj.offsetParent){while(1){curtop += obj.offsetTop;if(!obj.offsetParent){break;};obj = obj.offsetParent;};}else{if(obj.y){curtop += obj.y;};};return curtop;};\
7735 schaersvoo 228
function x2px(x){if(use_xlogscale == 0 ){return x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin);}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_in = Math.log(x)/Math.log(xlogbase);return x_in*xsize/(x_max - x_min) - xsize*x_min/(x_max - x_min);};};\
229
function px2x(px){if(use_xlogscale == 0 ){return (Math.round((px*(xmax - xmin)/xsize + xmin)*precision))/precision;}else{var x_max = Math.log(xmax)/Math.log(xlogbase);var x_min = Math.log(xmin)/Math.log(xlogbase);var x_out = x_min +px*(x_max - x_min)/(xsize);return Math.pow(xlogbase,x_out);};};\
230
function px2y(py){if(use_ylogscale == 0 ){return (Math.round((ymax -py*(ymax - ymin)/ysize)*precision))/precision;}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_out = y_max +py*(y_min - y_max)/(ysize);return Math.pow(ylogbase,y_out);};};\
231
function y2px(y){if(use_ylogscale == 0){return -1*y*ysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);}else{var y_max = Math.log(ymax)/Math.log(ylogbase);var y_min = Math.log(ymin)/Math.log(ylogbase);var y_in = Math.log(y)/Math.log(ylogbase);return (y_max - y_in)*ysize/(y_max - y_min);};};\
7729 schaersvoo 232
function scale_x_radius(rx){return parseInt(x2px(rx) - x2px(0));};\
233
function scale_y_radius(ry){return parseInt(y2px(ry) - y2px(0));};\
234
function distance(x1,y1,x2,y2){return parseInt(Math.sqrt( (x1-x2)*(x1-x2) + (y1-y2)*(y1-y2) ));};\
235
function distance_to_line (r,q,x,y){var c = (y) - (-1/r)*(x);var xs = r*(c - q)/(r*r+1);var ys = (r)*(xs)+(q);return parseInt(Math.sqrt( (xs-x)*(xs-x) + (ys-y)*(ys-y) ));};\
236
function move(obj,dx,dy){for(var p = 0 ; p < obj.x.length; p++){obj.x[p] = obj.x[p] + dx;obj.y[p] = obj.y[p] + dy;}return obj;};\
7735 schaersvoo 237
var xlogbase = 10;\
238
var ylogbase = 10;\
7729 schaersvoo 239
var use_xlogscale = 0;\
240
var use_ylogscale = 0;\
241
var x_strings = null;\
242
var y_strings = null;\
243
var use_pan_and_zoom = 0;\
7784 schaersvoo 244
var x_use_snap_to_grid = 0;\
245
var y_use_snap_to_grid = 0;\
7729 schaersvoo 246
var xstart = 0;\
247
var ystart = 0",canvas_root_id,xsize,ysize,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 248
/* default add the drag code : nearly always used ...*/
249
add_drag_code(js_include_file,DRAG_CANVAS,canvas_root_id);
250
            break;
251
        case XRANGE:
252
        /*
253
        @ xrange xmin,xmax
254
        @ if not given: 0,xsize (eg in pixels)
255
        */
256
            for(i = 0 ; i<2; i++){
257
                switch(i){
258
                    case 0: xmin = get_real(infile,0);break;
259
                    case 1: xmax = get_real(infile,1);break;
260
                    default: break;
261
                }
262
            }
263
            if(xmin >= xmax){canvas_error(" xrange is not OK : xmin &lt; xmax !\n");}
264
            fprintf(js_include_file,"var xmin = %f;var xmax = %f;",xmin,xmax);
265
            break;
266
        case YRANGE:
267
        /*
268
        @ yrange ymin,ymax
269
        @ if not given 0,ysize (eg in pixels)
270
        */
271
            for(i = 0 ; i<2; i++){
272
                switch(i){
273
                    case 0: ymin = get_real(infile,0);break;
274
                    case 1: ymax = get_real(infile,1);break;
275
                    default: break;
276
                }
277
            }
278
            if(ymin >= ymax){canvas_error(" yrange is not OK : ymin &lt; ymax !\n");}
279
            fprintf(js_include_file,"var ymin = %f;var ymax = %f;",ymin,ymax);
280
            break;
281
        case TRANGE:
282
        /*
283
        @ trange tmin,tmax
284
        @ default -2,2
285
        */
286
            use_parametric = TRUE;
287
            for(i = 0 ; i<2; i++){
288
                switch(i){
289
                    case 0: tmin = get_real(infile,0);break;
290
                    case 1: tmax = get_real(infile,1);break;
291
                    default: break;
292
                }
293
            }
294
            if(tmin >= tmax ){canvas_error(" trange is not OK : tmin &lt; tmax!\n");}
295
            break;
296
        case LINEWIDTH:
297
        /*
298
        @ linewidth int
299
        @ default 1
300
        */
301
            line_width = (int) (get_real(infile,1));
302
            break;
303
        case ARROWHEAD:
304
        /*
305
        @ arrowhead int
306
        @ default 8 (pixels)
307
        */
308
            arrow_head = (int) (get_real(infile,1));
309
            break;
310
        case CROSSHAIRSIZE:
311
        /*
312
        @ crosshairsize int
313
        @ default 10 (px)
314
        */
315
            crosshair_size = (int) (get_real(infile,1));
316
            break;
317
        case CROSSHAIR:
318
        /*
319
        @ crosshair x,y,color
320
        @ draw a single crosshair point at (x;y) in color 'color'
321
        @ use command 'crosshairsize int' and / or 'linewidth int'  to adust
322
        @ may be set draggable / onclick
323
        */
324
            for(i=0;i<3;i++){
325
                switch(i){
326
                    case 0: double_data[0] = get_real(infile,0);break; /* x */
327
                    case 1: double_data[1] = get_real(infile,0);break; /* y */
328
                    case 2: stroke_color = get_color(infile,1);/* name or hex color */
329
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 330
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.*f],[%.*f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],crosshair_size,crosshair_size,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 331
                        click_cnt++;reset();
332
                        break;
333
                    default:break;
334
                }
335
            }
336
            break;
337
        case CROSSHAIRS:
338
        /*
339
        @ crosshairs color,x1,y1,x2,y2,...,x_n,y_n
340
        @ draw multiple crosshair points at given coordinates in color 'color'
341
        @ use command 'crosshairsize int' and / or 'linewidth int'  to adust
342
        @ may be set draggable / onclick individually (!)
343
        */
344
            stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
345
            fill_color = stroke_color;
346
            i=0;
347
            while( ! done ){     /* get next item until EOL*/
348
                if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
349
                if(i%2 == 0 ){
350
                    double_data[i] = get_real(infile,0); /* x */
351
                }
352
                else
353
                {
354
                    double_data[i] = get_real(infile,1); /* y */
355
                }
356
                i++;
357
            }
358
            decimals = find_number_of_digits(precision);
359
            for(c=0 ; c < i-1 ; c = c+2){
7785 schaersvoo 360
                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,7,[%.*f],[%.*f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+1],crosshair_size,crosshair_size,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 361
                click_cnt++;
362
            }
363
            reset();
364
            break;
365
        case POINT:
366
        /*
367
        @ point x,y,color
368
        @ draw a single point at (x;y) in color 'color'
369
        @ use command 'linewidth int'  to adust size
370
        @ may be set draggable / onclick
371
        @ will not resize on zooming <br />(command 'circle x,y,r,color' will resize on zooming)
372
        */
373
            for(i=0;i<3;i++){
374
                switch(i){
375
                    case 0: double_data[0] = get_real(infile,0);break; /* x */
376
                    case 1: double_data[1] = get_real(infile,0);break; /* y */
377
                    case 2: stroke_color = get_color(infile,1);/* name or hex color */
378
                    decimals = find_number_of_digits(precision);
7785 schaersvoo 379
                    fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.*f],[%.*f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 380
                    click_cnt++;break;
381
                    default: break;
382
                }
383
            }
384
            reset();
385
            break;
386
        case POINTS:
387
        /*
7634 schaersvoo 388
        @ points color,x1,y1,x2,y2,...,x_n,y_n
7614 schaersvoo 389
        @ draw multiple points at given coordinates in color 'color'
390
        @ use command 'linewidth int'  to adust size
391
        @ may be set draggable / onclick individually (!)
392
        */
393
            stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
394
            fill_color = stroke_color;
395
            i=0;
396
            while( ! done ){     /* get next item until EOL*/
397
                if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
398
                if(i%2 == 0 ){
399
                    double_data[i] = get_real(infile,0); /* x */
400
                }
401
                else
402
                {
403
                    double_data[i] = get_real(infile,1); /* y */
404
                }
405
                i++;
406
            }
407
            decimals = find_number_of_digits(precision);           
408
            for(c = 0 ; c < i-1 ; c = c+2){
7785 schaersvoo 409
                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,2,[%.*f],[%.*f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[c],decimals,double_data[c+1],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,1,0,0,0,use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 410
                click_cnt++;
411
            }
412
            reset();
413
            break;
414
        case SEGMENT:
415
        /*
416
        @ segment x1,y1,x2,y2,color
417
        @ draw a line segment between points (x1:y1)--(x2:y2) in color 'color'
418
        @ may be set draggable / onclick
419
        */
420
            for(i=0;i<5;i++) {
421
                switch(i){
422
                    case 0: double_data[0]= get_real(infile,0);break; /* x1-values */
423
                    case 1: double_data[1]= get_real(infile,0);break; /* y1-values */
424
                    case 2: double_data[2]= get_real(infile,0);break; /* x2-values */
425
                    case 3: double_data[3]= get_real(infile,0);break; /* y2-values */
426
                    case 4: stroke_color=get_color(infile,1);/* name or hex color */
427
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 428
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 429
                        click_cnt++;reset();
430
                        break;
431
                    default: break;
432
                }
433
            }
434
            break;
435
        case LINE:
436
        /*
437
        @ line x1,y1,x2,y2,color
438
        @ draw a line through points (x1:y1)--(x2:y2) in color 'color'
439
        @ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
440
        @ may be set draggable / onclick
441
        */
442
            for(i=0;i<5;i++){
443
                switch(i){
444
                    case 0: double_data[10]= get_real(infile,0);break; /* x-values */
445
                    case 1: double_data[11]= get_real(infile,0);break; /* y-values */
446
                    case 2: double_data[12]= get_real(infile,0);break; /* x-values */
447
                    case 3: double_data[13]= get_real(infile,0);break; /* y-values */
448
                    case 4: stroke_color=get_color(infile,1);/* name or hex color */
449
                    if( double_data[10] == double_data[12] ){ /* vertical line*/
450
                        double_data[1] = xmin;
451
                        double_data[3] = ymax;
452
                        double_data[0] = double_data[10];
453
                        double_data[2] = double_data[10];
454
                    }
455
                    else
456
                    {
457
                        if( double_data[11] == double_data[13] ){ /* horizontal line */
458
                            double_data[1] = double_data[11];
459
                            double_data[3] = double_data[11];
460
                            double_data[0] = ymin;
461
                            double_data[2] = xmax;
462
                        }
463
                        else
464
                        {
465
                        /* m */
466
                        double_data[5] = (double_data[13] - double_data[11]) /(double_data[12] - double_data[10]);
467
                        /* q */
468
                        double_data[6] = double_data[11] - ((double_data[13] - double_data[11]) /(double_data[12] - double_data[10]))*double_data[10];
469
 
470
                        /*xmin,m*xmin+q,xmax,m*xmax+q*/
471
 
472
                            double_data[1] = (double_data[5])*(xmin)+(double_data[6]);
473
                            double_data[3] = (double_data[5])*(xmax)+(double_data[6]);
474
                            double_data[0] = xmin;
475
                            double_data[2] = xmax;
476
                        }
477
                    }
478
                    decimals = find_number_of_digits(precision);
7785 schaersvoo 479
                    fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 480
                    click_cnt++;reset();
481
                    break;
482
                }
483
            }
484
            break;
485
        case HLINE:
486
        /*
487
        @ hline x,y,color
488
        @ draw a horizontal line through point (x:y) in color 'color'
489
        @ or use command 'curve color,formula' to draw the line <br />(uses more points to draw the line; is however better draggable)
490
        @ may be set draggable / onclick
491
        */
492
            for(i=0;i<3;i++) {
493
                switch(i){
494
                    case 0: double_data[0] = get_real(infile,0);break; /* x-values */
495
                    case 1: double_data[1] = get_real(infile,0);break; /* y-values */
496
                    case 2: stroke_color = get_color(infile,1);/* name or hex color */
497
                    double_data[3] = double_data[1];
498
                    decimals = find_number_of_digits(precision);
7785 schaersvoo 499
                    fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,xmin,decimals,xmax,decimals,double_data[1],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 500
                    click_cnt++;reset();
501
                    break;
502
                }
503
            }
504
            break;
505
        case VLINE:
506
        /*
507
        @ vline x,y,color
508
        @ draw a vertical line through point (x:y) in color 'color'
509
        @ may be set draggable / onclick
510
        */
511
            for(i=0;i<3;i++) {
512
                switch(i){
513
                    case 0: double_data[0] = get_real(infile,0);break; /* x-values */
514
                    case 1: double_data[1] = get_real(infile,0);break; /* y-values */
515
                    case 2: stroke_color=get_color(infile,1);/* name or hex color */
516
                        double_data[2] = double_data[0];
517
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 518
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,ymin,decimals,ymax,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 519
                        click_cnt++;reset();
520
                    break;
521
                }
522
            }
523
            break;
524
        case SQUARE:
525
        /*
526
        @ square x,y,side,color
527
        @ draw a square with left top corner (x:y) with side 'side' in color 'color'
528
        @ use command 'fsquare x,y,side,color' for a filled square
529
        @ use command/keyword  'filled' before command 'square x,y,side,color'
530
        @ use command 'fillcolor color' before 'fsquare' to set the fill colour.
531
        @ may be set draggable / onclick
532
        */
533
            for(i=0;i<5;i++){
534
                switch(i){
535
                    case 0:double_data[0] = get_real(infile,0);break; /* x-values */
536
                    case 1:double_data[1] = get_real(infile,0);break; /* y-values */
537
                    case 2:double_data[2] = get_real(infile,0);
538
                           double_data[3] = double_data[2];
539
                           break; /* x-values */
540
                    case 3:stroke_color = get_color(infile,1);/* name or hex color */
541
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 542
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.*f,%.*f],[%.*f,%.*f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 543
                        click_cnt++;reset();
544
                        break;
545
                }
546
            }
547
            break;
548
        case ROUNDRECT:
549
        /*
550
        @ roundrect x1,y1,x2,y2,radius,color
551
        @ use command 'froundrect x1,y1,x2,y2,radius,color' for a filled rectangle
552
        @ use command/keyword  'filled' before command 'roundrect x1,y1,x2,y2,radius,color'
553
        @ use command 'fillcolor color' before 'froundrect' to set the fill colour.
554
        @ may be set draggable / onclick
555
        */
556
            for(i=0;i<6;i++){
557
                switch(i){
558
                    case 0:double_data[0] = get_real(infile,0);break; /* x-values */
559
                    case 1:double_data[1] = get_real(infile,0);break; /* y-values */
560
                    case 2:double_data[2] = get_real(infile,0);break; /* x-values */
561
                    case 3:double_data[3] = get_real(infile,0);break; /* y-values */
562
                    case 4:int_data[0] = (int) (get_real(infile,0));break; /* radius value in pixels */
563
                    case 5:stroke_color = get_color(infile,1);/* name or hex color */
564
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 565
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,6,[%.*f,%.*f],[%.*f,%.*f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 566
                        click_cnt++;reset();
567
                    break;
568
                }
569
            }
570
            break;
571
        case RECT:
572
        /*
573
        @ rect x1,y1,x2,y2,color
574
        @ use command 'rect x1,y1,x2,y2,color' for a filled rectangle
575
        @ use command/keyword  'filled' before command 'rect x1,y1,x2,y2,color'
576
        @ use command 'fillcolor color' before 'frect' to set the fill colour.
577
        @ may be set draggable / onclick
578
        */
579
            for(i=0;i<5;i++){
580
                switch(i){
581
                    case 0:double_data[0] = get_real(infile,0);break; /* x-values */
582
                    case 1:double_data[1] = get_real(infile,0);break; /* y-values */
583
                    case 2:double_data[2] = get_real(infile,0);break; /* x-values */
584
                    case 3:double_data[3] = get_real(infile,0);break; /* y-values */
585
                    case 4:stroke_color = get_color(infile,1);/* name or hex color */
586
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 587
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,1,[%.*f,%.*f,%.*f,%.*f],[%.*f,%.*f,%.*f,%.*f],[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[2],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],decimals,double_data[3],decimals,double_data[3],line_width,line_width,line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 588
                        click_cnt++;reset();
589
                        break;
590
                }
591
            }
592
            break;
593
        case POLYLINE:
594
        /*
595
        @ polyline color,x1,y1,x2,y2...x_n,y_n
596
        @ may be set draggable / onclick
597
        */
598
            stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
599
            i=0;
600
            c=0;
601
            while( ! done ){     /* get next item until EOL*/
602
                if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
603
                for( c = 0 ; c < 2; c++){
604
                    if(c == 0 ){
605
                        double_data[i] = get_real(infile,0);
606
                        i++;
607
                    }
608
                    else
609
                    {
610
                        double_data[i] = get_real(infile,1);
611
                        i++;
612
                    }
613
                }
614
            }
615
            /* draw path : not closed & not filled */
616
            decimals = find_number_of_digits(precision);
7785 schaersvoo 617
            fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 618
            click_cnt++;reset();
619
            break;
620
        case POLY:
621
        /*
622
        @ poly color,x1,y1,x2,y2...x_n,y_n
623
        @ draw closed polygon
624
        @ use command 'fpoly' to fill it, use command 'fillcolor color' to set the fill color
625
        @ may be set draggable / onclick
626
        */
627
            stroke_color=get_color(infile,0); /* how nice: now the color comes first...*/
628
            i=0;
629
            c=0;
630
            while( ! done ){     /* get next item until EOL*/
631
                if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
632
                for( c = 0 ; c < 2; c++){
633
                    if(c == 0 ){
634
                        double_data[i] = get_real(infile,0);
635
                        i++;
636
                    }
637
                    else
638
                    {
639
                        double_data[i] = get_real(infile,1);
640
                        i++;
641
                    }
642
                }
643
            }
644
            /* draw path :  closed & optional filled */
645
                decimals = find_number_of_digits(precision);
7785 schaersvoo 646
                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,i,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 647
                click_cnt++;reset();
648
            break;
649
        case ARC:
650
        /*
651
         @ arc xc,yc,width,height,start_angle,end_angle,color
652
         @ can not be set "onclick" or "drag xy"
653
         @ attention: width == height == radius in pixels)
654
        */
655
            for(i=0;i<7;i++){
656
                switch(i){
657
                    case 0:double_data[0] = get_real(infile,0);break; /* x-values */
658
                    case 1:double_data[1] = get_real(infile,0);break; /* y-values */
659
                    case 2:int_data[0] = (int)(get_real(infile,0));break; /* width in pixels ! */
660
                    case 3:int_data[1] = (int)(get_real(infile,0));break; /* height in pixels ! */
661
                    case 4:double_data[2] = get_real(infile,0);break; /* start angle in degrees */
662
                    case 5:double_data[3] = get_real(infile,0);break; /* end angle in degrees */
663
                    case 6:stroke_color = get_color(infile,1);/* name or hex color */
664
                    /* in Shape library:
665
                        x[0] = x[1] = xc
666
                        y[0] = y[1] = yc
667
                        w[0] = w[1] = radius = width = height  
668
                        h[0] = start_angle ; h[1] = end_engle
669
                    */
670
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 671
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,12,[%.*f,%.*f],[%.*f,%.*f],[%d,%d],[%.*f,%.*f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[0],decimals,double_data[1],decimals,double_data[1],int_data[0],int_data[0],decimals,double_data[2],decimals,double_data[3],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 672
                        reset();
673
                    break;
674
                }
675
            }
676
            break;
677
        case ELLIPSE:
678
        /*
679
        @ ellipse xc,yc,radius_x,radius_y,color
680
        @ a ellipse with center xc/yc in x/y-range
681
        @ radius_x and radius_y are in pixels
682
        @ may be set draggable / onclick
683
        @ will shrink / expand on zoom out / zoom in
684
        */
685
            for(i=0;i<5;i++){
686
                switch(i){
687
                    case 0:double_data[0] = get_real(infile,0);break; /* x-values */
688
                    case 1:double_data[1] = get_real(infile,0);break; /* y-values */
689
                    case 2:double_data[2] = get_real(infile,0);break; /* rx -> px  */
690
                    case 3:double_data[3] = get_real(infile,0);break; /* ry -> px  */
691
                    case 4:stroke_color = get_color(infile,1);/* name or hex color */
692
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 693
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,3,[%.*f],[%.*f],[%.*f],[%.*f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],decimals,double_data[2],decimals,double_data[3],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 694
                        click_cnt++;reset();
695
                    break;
696
                }
697
            }
698
            break;
699
        case DASHTYPE:
700
        /*
701
        @ dashtype int ,int
702
        @ When dashed is set, the objects will be drawn with this dashtyp
703
        @ default value "dashtype 2,2"
704
        */
705
            for(i=0;i<2;i++){
706
                switch(i){
707
                    case 0 : dashtype[0] = (int) line_width*( get_real(infile,0)) ; break;
708
                    case 1 : dashtype[1] = (int) line_width*( get_real(infile,1)) ; break;
709
                }
710
            }
711
        break;
712
        case CIRCLE:
713
        /*
714
        @ circle xc,yc,width (2*r in pixels),color
715
        @ use command 'fcircle xc,yc,d,color' or command 'filled' for a filled disk
716
        @ use command 'fillcolor color' to set the fillcolor
717
        @ may be set draggable / onclick
718
        @ will shrink / expand on zoom out / zoom in
719
        */
720
            for(i=0;i<4;i++){
721
                switch(i){
722
                    case 0: double_data[0] = get_real(infile,0);break; /* x */
723
                    case 1: double_data[1] = get_real(infile,0);break; /* y */
724
                    case 2: double_data[2] = px2x((get_real(infile,0))/2) - px2x(0);break; /* radius in 'dx' xrange*/
725
                    case 3: stroke_color = get_color(infile,1);/* name or hex color */
726
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 727
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,13,[%.*f],[%.*f],[%.3f],[%.3f],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],double_data[2],double_data[2],line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 728
                        click_cnt++;reset();
729
                    break;
730
                }
731
            }
732
            break;
733
        case RAYS:
734
        /*
735
         @ rays color,xc,yc,x1,y1,x2,y2,x3,y3...x_n,y_n
736
         @ draw rays in color 'color' and center (xc:yc)
7786 schaersvoo 737
         @ may be set draggable or onclick (every individual ray)
7614 schaersvoo 738
        */
739
            stroke_color=get_color(infile,0);
7786 schaersvoo 740
            fill_color = stroke_color;
741
            double_data[0] = get_real(infile,0);/* xc */
742
            double_data[1] = get_real(infile,0);/* yc */
743
            i=2;
744
            while( ! done ){     /* get next item until EOL*/
745
                if(i > MAX_INT - 1){canvas_error("in command rays to many points / rays in argument: repeat command multiple times to fit");}
746
                if(i%2 == 0 ){
747
                    double_data[i] = get_real(infile,0); /* x */
7614 schaersvoo 748
                }
7786 schaersvoo 749
                else
750
                {
751
                    double_data[i] = get_real(infile,1); /* y */
7614 schaersvoo 752
                }
7786 schaersvoo 753
            fprintf(js_include_file,"/* double_data[%d] = %f */\n",i,double_data[i]);
754
                i++;
7614 schaersvoo 755
            }
7786 schaersvoo 756
 
757
            if( i%2 != 0 ){canvas_error("in command rays: unpaired x or y value");}
758
            decimals = find_number_of_digits(precision);           
759
            for(c=2; c<i;c = c+2){
7614 schaersvoo 760
                click_cnt++;
7786 schaersvoo 761
                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,4,[%.*f,%.*f],[%.*f,%.*f],[30,30],[30,30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[c],decimals,double_data[1],decimals,double_data[c+1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 762
            }
763
            reset();
764
            break;
765
        case ARROW:
766
        /*
767
        @ arrow x1,y1,x2,y2,h,color
768
        @ draw a single headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and in color 'color'
769
        @ use command 'linewidth int' to adjust thickness of the arrow
770
        @ may be set draggable / onclick
771
        */
772
            for(i=0;i<6;i++){
773
                switch(i){
774
                    case 0: double_data[0] = get_real(infile,0);break; /* x */
775
                    case 1: double_data[1] = get_real(infile,0);break; /* y */
776
                    case 2: double_data[2] = get_real(infile,0);break; /* x */
777
                    case 3: double_data[3] = get_real(infile,0);break; /* y */
778
                    case 4: arrow_head = (int) get_real(infile,0);break;/* h */
779
                    case 5: stroke_color = get_color(infile,1);/* name or hex color */
780
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 781
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,8,[%.*f,%.*f],[%.*f,%.*f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 782
                        click_cnt++;
783
                        reset();
784
                        break;
785
                }
786
            }
787
            break;
788
        case ARROW2:
789
        /*
790
        @ arrow2 x1,y1,x2,y2,h,color
791
        @ draw a double headed arrow/vector from (x1:y1) to (x2:y2)<br />with arrowhead size h in px and  in color 'color'
792
        @ use command 'arrowhead int' to adjust the arrow head size
793
        @ use command 'linewidth int' to adjust thickness of the arrow
794
        @ may be set draggable / onclick
795
        */
796
            for(i=0;i<6;i++){
797
                switch(i){
798
                    case 0: double_data[0] = get_real(infile,0);break; /* x */
799
                    case 1: double_data[1] = get_real(infile,0);break; /* y */
800
                    case 2: double_data[2] = get_real(infile,0);break; /* x */
801
                    case 3: double_data[3] = get_real(infile,0);break; /* y */
802
                    case 4: arrow_head = (int) get_real(infile,0);break;/* h */
803
                    case 5: stroke_color = get_color(infile,1);/* name or hex color */
804
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 805
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,10,[%.*f,%.*f],[%.*f,%.*f],[%d,%d],[%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[1],decimals,double_data[3],arrow_head,arrow_head,arrow_head,arrow_head,line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 806
                        click_cnt++;reset();
807
                        break;
808
                }
809
            }
810
            break;
811
        case PARALLEL:
812
        /*
813
         @ parallel x1,y1,x2,y2,dx,dy,n,[colorname or #hexcolor]
814
         @ can not be set "onclick" or "drag xy"
815
        */
816
            for( i = 0;i < 8; i++ ){
817
                switch(i){
818
                    case 0: double_data[0] = get_real(infile,0);break; /* x1-values  -> x-pixels*/
819
                    case 1: double_data[1] = get_real(infile,0);break; /* y1-values  -> y-pixels*/
820
                    case 2: double_data[2] = get_real(infile,0);break; /* x2-values  -> x-pixels*/
821
                    case 3: double_data[3] = get_real(infile,0);break; /* y2-values  -> y-pixels*/
822
                    case 4: double_data[4] = xmin + get_real(infile,0);break; /* xv -> x-pixels */
823
                    case 5: double_data[5] = ymax + get_real(infile,0);break; /* yv -> y-pixels */
824
                    case 6: int_data[0] = (int) (get_real(infile,0));break; /* n  */
825
                    case 7: stroke_color=get_color(infile,1);/* name or hex color */
826
                    decimals = find_number_of_digits(precision);
7785 schaersvoo 827
                    fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,11,[%.*f,%.*f,%.*f],[%.*f,%.*f,%.*f],[%d,%d,%d],[%d,%d,%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[2],decimals,double_data[4],decimals,double_data[1],decimals,double_data[3],decimals,double_data[5],int_data[0],int_data[0],int_data[0],int_data[0],int_data[0],int_data[0],line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 828
                    click_cnt++;reset();
829
                    break;
830
                    default: break;
831
                }
832
            }
833
            break;
834
        case TRIANGLE:
835
        /*
836
         @triangle x1,y1,x2,y2,x3,y3,color
837
         @may be set draggable / onclic
838
        */
839
            for(i=0;i<7;i++){
840
                switch(i){
841
                    case 0: double_data[0] = get_real(infile,0);break; /* x */
842
                    case 1: double_data[1] = get_real(infile,0);break; /* y */
843
                    case 2: double_data[2] = get_real(infile,0);break; /* x */
844
                    case 3: double_data[3] = get_real(infile,0);break; /* y */
845
                    case 4: double_data[4] = get_real(infile,0);break; /* x */
846
                    case 5: double_data[5] = get_real(infile,0);break; /* y */
847
                    case 6: stroke_color = get_color(infile,1);/* name or hex color */
848
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 849
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,5,%s,[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,double_xy2js_array(double_data,6,decimals),line_width,stroke_color,stroke_opacity,stroke_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 850
                        click_cnt++;reset();
851
                        break;
852
                    default: break;
853
                }
854
            }
855
            break;
856
        case LATTICE:
857
        /*
858
         @lattice x0,y0,xv1,yv1,xv2,yv2,n1,n2,color
859
         @can not be set "onclick" or "drag xy"
860
        */
861
            if( js_function[DRAW_LATTICE] != 1 ){ js_function[DRAW_LATTICE] = 1;}
862
            for( i = 0; i<9; i++){
863
                switch(i){
864
                    case 0: int_data[0] = x2px(get_real(infile,0));break; /* x0-values  -> x-pixels*/
865
                    case 1: int_data[1] = y2px(get_real(infile,0));break; /* y0-values  -> y-pixels*/
866
                    case 2: int_data[2] = (int) (get_real(infile,0));break; /* x1-values  -> x-pixels*/
867
                    case 3: int_data[3] = (int) (get_real(infile,0));break; /* y1-values  -> y-pixels*/
868
                    case 4: int_data[4] = (int) (get_real(infile,0));break; /* x2-values  -> x-pixels*/
869
                    case 5: int_data[5] = (int) (get_real(infile,0));break; /* y2-values  -> y-pixels*/
870
                    case 6: int_data[6] = (int) (get_real(infile,0));break; /* n1-values */
871
                    case 7: int_data[7] = (int) (get_real(infile,0));break; /* n2-values */
872
                    case 8: stroke_color=get_color(infile,1);
873
                        decimals = find_number_of_digits(precision);
874
                        string_length = snprintf(NULL,0,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,[%d,%d]);",STATIC_CANVAS,line_width,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
875
                        check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
876
                        snprintf(tmp_buffer,string_length,"draw_lattice(%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,\"%s\",%.2f,\"%s\",%.2f,%d,%.2f,%d,[%d,%d]);",STATIC_CANVAS,line_width,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
877
                        add_to_buffer(tmp_buffer);
878
                    break;
879
                    default:break;
880
                }
881
            }
882
            reset();
883
            break;
884
        case SNAPTOGRID:
885
        /*
886
         @ snaptogrid
887
         @ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
888
         @ in case of userdraw the drawn points will snap to xmajor / ymajor grid
7784 schaersvoo 889
         @ if xminor / yminor is defined, the drawing will snap to xminor and yminor<br />use only even dividers in x/y-minor...for example<br />snaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
7614 schaersvoo 890
        */
7784 schaersvoo 891
        fprintf(js_include_file,"\nx_use_snap_to_grid = 1;y_use_snap_to_grid = 1;var snap_x = 1;var snap_y = 1;function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};function snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\n");
7614 schaersvoo 892
        break;
7784 schaersvoo 893
        case XSNAPTOGRID:
894
        /*
895
         @ xsnaptogrid
896
         @ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
897
         @ in case of userdraw the drawn points will snap to xmajor grid
898
         @ if xminor / yminor is defined, the drawing will snap to xminor <br />use only even dividers in x-minor...for example<br />xsnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
899
        */
900
        fprintf(js_include_file,"\nx_use_snap_to_grid = 1;var snap_x = 1;if (typeof snap_y === 'undefined') { var snap_y = 1;};var snap_y = 1;function snap_to_x(x){return x2px(snap_x*(Math.round((px2x(x))/snap_x)));};\n");
901
        break;
902
        case YSNAPTOGRID:
903
        /*
904
         @ ysnaptogrid
905
         @ keyword (no arguments rewquired) needs to be defined before command 'userdraw' and after command 'grid'
906
         @ in case of userdraw the drawn points will snap to ymajor grid
907
         @ if xminor / yminor is defined, the drawing will snap to yminor <br />use only even dividers in y-minor...for example<br />ysnaptogrid<br />axis<br />grid 2,1,grey,4,4,7,red<br /> will snap on x=0, x=0.5, x=1, x=1.5 ....<br /> will snap on y=0, y=0.25 y=0.5 y=0.75 ...<br />
908
        */
909
        fprintf(js_include_file,"\ny_use_snap_to_grid = 1;if (typeof snap_x === 'undefined') { var snap_x = 1;};var snap_y = 1;\nfunction snap_to_y(y){return y2px(snap_y*(Math.round((px2y(y))/snap_y)));};\n");
910
        break;
7663 schaersvoo 911
        case USERTEXTAREA_XY:
912
        /*
913
        @ usertextarea_xy
914
        @ keyword
915
        @ to be used in combination with command "userdraw object_type,color" wherein object_type is only segment / polyline for the time being...
916
        @ if set two textareas are added to the document<br />(one for x-values , one for y-values)
917
        @ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
918
        @ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
919
        @ user drawings will not zoom on zooming (or pan on panning)
920
        */
7749 schaersvoo 921
            if(use_tooltip == TRUE){canvas_error("usertextarea_xy can not be combined with intooltip command");}
922
            if( use_input_xy == 1 ){canvas_error("usertextarea_xy can not be combined with userinput_xy command");}
923
            fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s*(.*)\\^\\s*(.*)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
924
            use_input_xy = 2;
925
            break;
7652 schaersvoo 926
        case USERINPUT_XY:
927
        /*
928
        @ userinput_xy
929
        @ keyword
930
        @ to be used in combination with command "userdraw object_type,color"
931
        @ if set two (or three) input fields are added to the document<br />(one for x-values , one for y-values and in case of drawing circle one for radius-values)
932
        @ the student may use this as correction for (x:y) on a drawing (or to draw without mouse, using just the coordinates)
7749 schaersvoo 933
        @ math input is allowed (e.g something like: 1+3,2*6,1/3,sqrt(3), sin(pi/4),10^-2,log(2)...)<br />eval function is 'protected' against code injection.
7652 schaersvoo 934
        @ can not be combined with command "intooltip tiptext" <br />note: the 'tooltip div element' is used for placing inputfields
7653 schaersvoo 935
        @ user drawings will not zoom on zooming (or pan on panning)
7652 schaersvoo 936
        */
7749 schaersvoo 937
            if(use_tooltip == TRUE){canvas_error("userinput_xy can not be combined with intooltip command");}
938
            /* add simple eval check to avoid code injection with unprotected eval(string) */
939
            fprintf(js_include_file,"function safe_eval(exp){if(exp.indexOf('^') != -1){exp = exp.replace(/\\s*(.*)\\^\\s*(.*)/ig, \"pow($1, $2)\");};var reg = /(?:[a-z$_][a-z0-9$_]*)|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;var valid = true;exp = exp.replace(reg,function($0){if (Math.hasOwnProperty($0)){return \"Math.\"+$0;}else{valid = false;};});if (!valid){alert(\"hmmm \"+exp+\" ?\"); exp = null;}else{try { exp = eval(exp); } catch (e) {alert(\"Invalid arithmetic expression\"); exp = null;};};return exp;};");
940
            use_input_xy = 1;
941
            break;
7614 schaersvoo 942
        case USERDRAW:
943
        /*
944
        @ userdraw object_type,color
7663 schaersvoo 945
        @ implemented object_type: <ul><li>point</li><li>points</li><li>crosshair</li><li>crosshairs</li><li>line</li><li>lines</li><li>segment</li><li>segments</li><li>polyline</li><li>circle</li><li>circles</li><li>arrow</li><li>arrows</li><li>triangle</li><li>polygon</li><li>poly[3-9]</li><li>rect</li><li>roundrect</li><li>rects</li><li>roundrects</li><li>freehandline</li><li>freehandlines</li><li>path</li><li>paths</li><li>text</li></ul>
7614 schaersvoo 946
        @ note: mouselisteners are only active if "$status != done " (eg only drawing in an active/non-finished exercise) <br /> to overrule use command/keyword "status" (no arguments required)
947
        @ note: object_type text: Any string or multiple strings may be placed anywhere on the canvas.<br />while typing the background of every typed char will be lightblue..."backspace / delete / esc" will remove typed text.<br />You will need to hit "enter" to add the text to the array "userdraw_txt()" : lightblue background will disappear<br />Placing the cursor somewhere on a typed text and hitting "delete/backspace/esc" , a confirm will popup asking to delete the selected text.This text will be removed from the "userdraw_txt()" answer array.<br />Use commands 'fontsize' and 'fontfamily' to control the text appearance
948
        @ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
949
        @ note: all objects will be removed -after a javascript confirm box- when clicked on an object point with middle or right mouse butten (e.g. event.which != 1 : all buttons but left)
950
        @ use command "filled", "opacity int,int"  and "fillcolor color" to trigger coloured filling of fillable objects
951
        @ use command "dashed" and/or "dashtype int,int" to trigger dashing
952
        @ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
953
        @ may be combined with onclick or drag xy  of other components of flyscript objects (although not very usefull...)
7663 schaersvoo 954
        @ may be combined with keyword 'userinput_xy' or
7653 schaersvoo 955
        @ note: when zooming / panning after a drawing, the drawing will NOT be zoomed / panned...this is a "design" flaw and not a feature <br />To avoid trouble do not use zooming / panning together width userdraw.!
7614 schaersvoo 956
        */
957
            if( use_userdraw == TRUE ){ /* only one object type may be drawn*/
958
                canvas_error("Only one userdraw primitive may be used: read documentation !!");
959
            }
960
            use_userdraw = TRUE;
7653 schaersvoo 961
            fprintf(js_include_file,"<!-- begin userdraw mouse events -->\nvar userdraw_x = new Array();var userdraw_y = new Array();var userdraw_radius = new Array();var xy_cnt=0;var canvas_userdraw = create_canvas%d(%d,xsize,ysize);var context_userdraw = canvas_userdraw.getContext(\"2d\");var use_dashed = %d;if(use_dashed == 1){if( context_userdraw.setLineDash ){context_userdraw.setLineDash([%d,%d]);}else{if(context_userdraw.mozDash){context_userdraw.mozDash = [%d,%d];};};};if(wims_status != \"done\"){canvas_div.addEventListener(\"mousedown\",user_draw,false);canvas_div.addEventListener(\"mousemove\",user_drag,false);canvas_div.addEventListener(\"touchstart\",user_draw,false);canvas_div.addEventListener(\"touchmove\",user_drag,false);}\n<!-- end userdraw mouse events -->",canvas_root_id,DRAW_CANVAS,use_dashed,dashtype[0],dashtype[1],dashtype[0],dashtype[1]);
7614 schaersvoo 962
            draw_type = get_string_argument(infile,0);
963
            stroke_color = get_color(infile,1);
964
            if( strcmp(draw_type,"point") == 0 ){
965
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
966
                if(reply_format < 1 ){reply_format = 8;}
967
                /* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7652 schaersvoo 968
                if(use_input_xy == 1){
969
                    add_input_circle(js_include_file,1,1);
970
                    add_input_xy(js_include_file,canvas_root_id);
971
                }
7614 schaersvoo 972
                add_js_points(js_include_file,1,draw_type,line_width,line_width,stroke_color,stroke_opacity,1,stroke_color,stroke_opacity,0,1,1);
973
            }
974
            else
975
            if( strcmp(draw_type,"points") == 0 ){
976
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
977
                if(reply_format < 1 ){reply_format = 8;}
978
                /* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
7652 schaersvoo 979
                if(use_input_xy == 1){
980
                    add_input_circle(js_include_file,1,2);
981
                    add_input_xy(js_include_file,canvas_root_id);
982
                }
7614 schaersvoo 983
                add_js_points(js_include_file,2,draw_type,line_width,line_width,stroke_color,stroke_opacity,1,stroke_color,stroke_opacity,0,1,1);
984
            }
985
            else
986
            if( strcmp(draw_type,"segment") == 0 ){
987
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
988
                if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
989
                if(reply_format < 1){reply_format = 11;}
7652 schaersvoo 990
                if(use_input_xy == 1){
991
                    add_input_segment(js_include_file,1);
992
                    add_input_x1y1x2y2(js_include_file,canvas_root_id);
993
                }
7614 schaersvoo 994
                add_js_segments(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
995
            }
996
            else
7663 schaersvoo 997
            if( strcmp(draw_type,"polyline") == 0 ){
998
                if( js_function[DRAW_POLYLINE] != 1 ){ js_function[DRAW_POLYLINE] = 1;}
7782 schaersvoo 999
                if(reply_format < 1){reply_format = 23;}
7780 schaersvoo 1000
                if( use_input_xy == 1 ){
1001
                    add_input_polyline(js_include_file);
1002
                    add_input_xy(js_include_file,canvas_root_id);
7663 schaersvoo 1003
                }
1004
                add_js_polyline(js_include_file,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
1005
            }
1006
            else
7614 schaersvoo 1007
            if( strcmp(draw_type,"segments") == 0 ){
1008
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
1009
                if( js_function[DRAW_SEGMENTS] != 1 ){ js_function[DRAW_SEGMENTS] = 1;}
1010
                if(reply_format < 1){reply_format = 11;}
7652 schaersvoo 1011
                if(use_input_xy == 1){
1012
                    add_input_segment(js_include_file,2);
1013
                    add_input_x1y1x2y2(js_include_file,canvas_root_id);
1014
                }
7614 schaersvoo 1015
                add_js_segments(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
1016
            }
1017
            else
1018
            if( strcmp(draw_type,"circle") == 0 ){
1019
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
1020
                if(reply_format < 1){reply_format = 10;}
1021
                /* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
7652 schaersvoo 1022
                if(use_input_xy == 1){
1023
                    add_input_circle(js_include_file,2,1);
1024
                    add_input_xyr(js_include_file,canvas_root_id);
1025
                }
7614 schaersvoo 1026
                add_js_circles(js_include_file,1,draw_type,line_width,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
1027
            }
1028
            else
1029
            if( strcmp(draw_type,"circles") == 0 ){
1030
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
1031
                if(reply_format < 1){reply_format = 10;}
1032
                /* 9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n in x/y-range */
1033
                add_js_circles(js_include_file,2,draw_type,line_width,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1034
                if(use_input_xy == 1){
1035
                    add_input_circle(js_include_file,2,2);
1036
                    add_input_xyr(js_include_file,canvas_root_id);
1037
                }
7614 schaersvoo 1038
            }
1039
            else
1040
            if(strcmp(draw_type,"crosshair") == 0 ){
1041
                if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
1042
                if(reply_format < 1){reply_format = 8;}
1043
                /* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
1044
                add_js_crosshairs(js_include_file,1,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7654 schaersvoo 1045
                if(use_input_xy == 1){
1046
                    add_input_crosshair(js_include_file,1);
1047
                    add_input_xy(js_include_file,canvas_root_id);
1048
                }
7614 schaersvoo 1049
            }
1050
            else
1051
            if(strcmp(draw_type,"crosshairs") == 0 ){
1052
                if( js_function[DRAW_CROSSHAIRS] != 1 ){ js_function[DRAW_CROSSHAIRS] = 1;}
1053
                if(reply_format < 1){reply_format = 8;}
1054
                /* 7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n in x/y-range */
1055
                add_js_crosshairs(js_include_file,2,draw_type,line_width,crosshair_size ,stroke_color,stroke_opacity);
7654 schaersvoo 1056
                if(use_input_xy == 1){
1057
                    add_input_crosshair(js_include_file,2);
1058
                    add_input_xy(js_include_file,canvas_root_id);
1059
                }
7614 schaersvoo 1060
            }
1061
            else
1062
            if(strcmp(draw_type,"freehandline") == 0 ){
1063
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1064
                if(reply_format < 1){reply_format = 6;}
1065
                add_js_paths(js_include_file,1,draw_type,line_width,0,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);  
7652 schaersvoo 1066
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1067
            }
1068
            else
1069
            if(strcmp(draw_type,"freehandlines") == 0 ){
1070
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1071
                if(reply_format < 1){reply_format = 6;}
1072
                add_js_paths(js_include_file,2,draw_type,line_width,0,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);  
7652 schaersvoo 1073
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1074
            }
1075
            else
1076
            if(strcmp(draw_type,"path") == 0 ){
1077
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1078
                if(reply_format < 1){reply_format = 6;}
1079
                add_js_paths(js_include_file,1,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);  
7652 schaersvoo 1080
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1081
            }
1082
            else
1083
            if(strcmp(draw_type,"paths") == 0 ){
1084
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1085
                if(reply_format < 1){reply_format = 6;}
1086
                add_js_paths(js_include_file,2,draw_type,line_width,1,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);  
7652 schaersvoo 1087
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1088
            }
1089
            else
1090
            if(strcmp(draw_type,"arrows") == 0 ){
1091
                if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
1092
                if(reply_format < 1){reply_format = 11;}
1093
                add_js_arrows(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7654 schaersvoo 1094
                if(use_input_xy == 1){
1095
                    add_input_arrow(js_include_file,2);
1096
                    add_input_x1y1x2y2(js_include_file,canvas_root_id);
1097
                }
7614 schaersvoo 1098
            }
1099
            else
1100
            if(strcmp(draw_type,"arrow") == 0 ){
1101
                if( js_function[DRAW_ARROWS] != 1 ){ js_function[DRAW_ARROWS] = 1;}
1102
                if(reply_format < 1){reply_format = 11;}
1103
                add_js_arrows(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1],arrow_head);
7654 schaersvoo 1104
                if(use_input_xy == 1){
1105
                    add_input_arrow(js_include_file,1);
1106
                    add_input_x1y1x2y2(js_include_file,canvas_root_id);
1107
                }
7614 schaersvoo 1108
            }
1109
            else
1110
            if(strcmp(draw_type,"polygon") == 0){
1111
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1112
                if(reply_format < 1){reply_format = 2;}
1113
                add_js_poly(js_include_file,-1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7780 schaersvoo 1114
                if( use_input_xy == 2 ){
1115
                  add_textarea_polygon(js_include_file);
1116
                  add_textarea_xy(js_include_file,canvas_root_id);
7746 schaersvoo 1117
                }
7614 schaersvoo 1118
            }
1119
            else
1120
            if(strncmp(draw_type,"poly",4) == 0){
1121
                if(strlen(draw_type) < 5){canvas_error("use command \"userdraw poly[3-9],color\" eg userdraw poly6,blue");}
1122
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1123
                if(reply_format < 1){reply_format = 2;}
1124
                add_js_poly(js_include_file,(int) (draw_type[4]-'0'),draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1125
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1126
            }
1127
            else
1128
            if(strcmp(draw_type,"triangle") == 0){
1129
                if( js_function[DRAW_PATHS] != 1 ){ js_function[DRAW_PATHS] = 1;}
1130
                if(reply_format < 1){reply_format = 2;}
1131
                add_js_poly(js_include_file,3,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1132
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1133
            }
1134
            else
1135
            if( strcmp(draw_type,"line") == 0 ){
1136
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
1137
                if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
1138
                if(reply_format < 1){reply_format = 11;}
1139
                add_js_lines(js_include_file,1,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747 schaersvoo 1140
                if( use_input_xy == 1 ){
7780 schaersvoo 1141
                    add_input_line(js_include_file,1);
7747 schaersvoo 1142
                    add_input_x1y1x2y2(js_include_file,canvas_root_id);
1143
                }
7614 schaersvoo 1144
            }
1145
            else
1146
            if( strcmp(draw_type,"lines") == 0 ){
1147
                if( js_function[DRAW_CIRCLES] != 1 ){ js_function[DRAW_CIRCLES] = 1;}
1148
                if( js_function[DRAW_LINES] != 1 ){ js_function[DRAW_LINES] = 1;}
1149
                if(reply_format < 1){reply_format = 11;}
1150
                add_js_lines(js_include_file,2,draw_type,line_width,stroke_color,stroke_opacity,use_dashed,dashtype[0],dashtype[1]);
7747 schaersvoo 1151
                if( use_input_xy == 1 ){
7780 schaersvoo 1152
                    add_input_line(js_include_file,2);
7747 schaersvoo 1153
                    add_input_x1y1x2y2(js_include_file,canvas_root_id);
7746 schaersvoo 1154
                }
7614 schaersvoo 1155
            }
1156
            else
1157
            if( strcmp(draw_type,"rects") == 0){
1158
                if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
1159
                if(reply_format < 1){reply_format = 2;}
1160
                add_js_rect(js_include_file,2,0,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1161
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1162
            }
1163
            else
1164
            if( strcmp(draw_type,"roundrects") == 0){
1165
                if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
1166
                if(reply_format < 1){reply_format = 2;}
1167
                add_js_rect(js_include_file,2,1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1168
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1169
            }
1170
            else
1171
            if( strcmp(draw_type,"rect") == 0){
1172
                if( js_function[DRAW_RECTS] != 1 ){ js_function[DRAW_RECTS] = 1;}
1173
                if(reply_format < 1){reply_format = 2;}
1174
                add_js_rect(js_include_file,1,0,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1175
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1176
            }
1177
            else
1178
            if( strcmp(draw_type,"roundrect") == 0){
1179
                if( js_function[DRAW_ROUNDRECTS] != 1 ){ js_function[DRAW_ROUNDRECTS] = 1;}
1180
                if(reply_format < 1){reply_format = 2;}
1181
                add_js_rect(js_include_file,1,1,draw_type,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype[0],dashtype[1]);
7652 schaersvoo 1182
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1183
            }
1184
            else
1185
            if( strcmp(draw_type,"text") == 0){
1186
                if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}      
1187
                if(reply_format < 1){reply_format = 17;}
1188
                add_js_text(js_include_file,canvas_root_id,font_size,font_family,font_color,stroke_opacity,use_rotate,angle,use_translate,translate_x,translate_y);
7652 schaersvoo 1189
                if(use_input_xy == 1){ canvas_error("userinput_xy not yet implemented for this userdraw type !");}
7614 schaersvoo 1190
            }
1191
            else
1192
            {
1193
                canvas_error("unknown drawtype or typo? ");
1194
            }
1195
            reset();
1196
        break;
1197
        case PLOTSTEPS:
1198
            /*
1199
             @ plotsteps a_number
1200
             @ default 150
1201
             @ use with care !
1202
            */
1203
            plot_steps = (int) (get_real(infile,1));
1204
            break;
1205
        case FONTSIZE:
1206
        /*
1207
         @fontsize font_size
1208
         @default value 12
1209
        */
1210
            font_size = (int) (get_real(infile,1));
1211
            break;
1212
        case FONTCOLOR:
1213
        /*
1214
         @fontcolor color
1215
         @color: hexcolor or colorname
1216
         @default: black
1217
         @example usage: x/y-axis text
1218
        */
1219
            font_color = get_color(infile,1);
1220
            break;
1221
        case ANIMATE:
1222
        /*
1223
         @animate type
1224
         @type may be "point" (nothing else , yet...)
1225
         @the point is a filled rectangle ; adjust colour with command 'fillcolor colorname/hexnumber'
1226
         @will animate a point on the next plot/curve command
1227
         @the curve will not be draw
1228
         @moves repeatedly from xmin to xmax
1229
        */
1230
            if( strstr(get_string(infile,1),"point") != 0 ){animation_type = 15;}else{canvas_error("the only animation type (for now) is \"point\"...");}
1231
            break;
7788 schaersvoo 1232
        case LEVELCURVE:
1233
        /*
1234
        @levelcurve color,expression in x/y,l1,l2,...
7792 schaersvoo 1235
        @draws very primitive level curves for expression, with levels l1,l2,l3,...,l_n
1236
        @the quality is <b>not to be compared</b> with the Flydraw levelcurve. <br />(choose flydraw if you want quality...)
1237
        @every individual level curve may be set 'onclick / drag xy' <br />e.g. every single level curve (l1,l2,l3...l_n) has a unique identifier
1238
        @note : the arrays for holding the javascript data are limited in size
1239
        @note : reduce image size if javascript data arrays get overloaded<br />(command 'plotsteps int' will not control the data size of the plot...)
7788 schaersvoo 1240
        */
7792 schaersvoo 1241
            fill_color = get_color(infile,0);
7788 schaersvoo 1242
            char *fun1 = get_string_argument(infile,0);
1243
            if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");}
1244
            i = 0;
1245
            done = FALSE;
1246
            while( !done ){
1247
             double_data[i] = get_real(infile,1);
1248
             i++;
1249
            }
1250
            for(c = 0 ; c < i; c++){
1251
             fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,16,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,eval_levelcurve(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision,double_data[c]),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
1252
             click_cnt++;
1253
            }
1254
            reset();
1255
            break;
7614 schaersvoo 1256
        case CURVE:
1257
        /*
1258
         @curve color,formula(x)
1259
         @plot color,formula(x)
1260
         @use command trange before command curve / plot  (trange -pi,pi)<br />curve color,formula1(t),formula2(t)
1261
         @use command "precision" to increase the number of digits of the plotted points
1262
         @use command "plotsteps" to increase / decrease the amount of plotted points (default 150)
1263
         @may be set draggable / onclick
1264
        */
1265
            if( use_parametric == TRUE ){ /* parametric color,fun1(t),fun2(t)*/
1266
                use_parametric = FALSE;
1267
                stroke_color = get_color(infile,0);
1268
                char *fun1 = get_string_argument(infile,0);
1269
                char *fun2 = get_string_argument(infile,1);
1270
                if( strlen(fun1) == 0 || strlen(fun2) == 0 ){canvas_error("parametric functions are NOT OK !");}
7785 schaersvoo 1271
                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,animation_type,eval_parametric(xsize,ysize,fun1,fun2,xmin,xmax,ymin,ymax,tmin,tmax,plot_steps,precision),2*line_width,2*line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 1272
                click_cnt++;
1273
            }
1274
            else
1275
            {
1276
                stroke_color = get_color(infile,0);
1277
                char *fun1 = get_string_argument(infile,1);
1278
                if( strlen(fun1) == 0 ){canvas_error("function is NOT OK !");} 
7785 schaersvoo 1279
                fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,%d,%s,[%d],[%d],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%.1f,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,animation_type,eval(xsize,ysize,fun1,xmin,xmax,ymin,ymax,plot_steps,precision),line_width,line_width,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype[0],dashtype[1],use_rotate,angle,flytext,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 1280
                click_cnt++;
1281
            }
7788 schaersvoo 1282
            animation_type = 9;/* reset to curve plotting without animation */
7614 schaersvoo 1283
            reset();
1284
            break;
1285
        case FLY_TEXT:
1286
        /*
1287
        @ text fontcolor,x,y,font,text_string
1288
        @ font may be described by keywords : giant,huge,normal,small,tiny
1289
        @ use command 'fontsize' to increase base fontsize for the keywords
1290
        @ may be set "onclick" or "drag xy"
1291
        @ backwards compatible with flydraw
1292
        @ unicode supported: text red,0,0,huge,\\u2232
1293
        @ use command 'string' and 'fontfamily' for a more fine grained control over html5 canvas text element
1294
        @ Avoid  mixing old flydraw commands 'text' 'textup' with new canvasdraw commands 'string' stringup'<br />If the fontfamily was set completely like "fontfamily italic 24px Ariel".<br />In that case rested 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
1295
        */
1296
            for(i = 0; i < 5 ;i++){
1297
                switch(i){
1298
                    case 0: stroke_color = get_color(infile,0);break;/* font_color == stroke_color name or hex color */
1299
                    case 1: double_data[0] = get_real(infile,0);break; /* x */
1300
                    case 2: double_data[1] = get_real(infile,0);break; /* y */
1301
                    case 3: fly_font = get_string_argument(infile,0);
1302
                            if(strcmp(fly_font,"giant") == 0){
1303
                                font_size = (int)(font_size + 24);
1304
                            }
1305
                            else
1306
                            {
1307
                                if(strcmp(fly_font,"huge") == 0){
1308
                                    font_size = (int)(font_size + 14);
1309
                                }
1310
                                else
1311
                                {
1312
                                    if(strcmp(fly_font,"large") == 0){
1313
                                        font_size = (int)(font_size + 6);
1314
                                        }
1315
                                        else
1316
                                        {
1317
                                            if(strcmp(fly_font,"small") == 0){
1318
                                                font_size = (int)(font_size - 4);
1319
                                                if(font_size<0){font_size = 8;}
1320
                                        }
1321
                                    }
1322
                                }
1323
                            }
1324
                            break; /* font_size ! */
1325
                    case 4:
1326
                        temp = get_string_argument(infile,1);
1327
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 1328
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,14,[%.*f],[%.*f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%d,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,0,0,temp,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 1329
                        click_cnt++;reset();break;
1330
                    default:break;
1331
                }
1332
            }
1333
            break;
1334
        case FLY_TEXTUP:
1335
        /*
1336
         @ textup fontcolor,x,y,font,text_string
1337
         @ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
1338
         @ font may be described by keywords : giant,huge,normal,small,tiny
1339
         @ use command 'fontsize' to increase base fontsize for the keywords
1340
         @ backwards compatible with flydraw
1341
         @ unicode supported: textup red,0,0,huge,\\u2232
1342
         @ use command 'stringup' and 'fontfamily' for a more fine grained control over html5 canvas text element
1343
         @ Avoid  mixing old flydraw commands 'text' 'textup' with new canvasdraw commands 'string' stringup'<br />If the fontfamily was set completely like "fontfamily italic 24px Ariel".<br />In that case rested 'fontfamily' to something lke 'fontfamily Ariel' before the old flydraw commands.
1344
        */
1345
            if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}  
1346
            for(i = 0; i<5 ;i++){
1347
                switch(i){
1348
                    case 0: font_color = get_color(infile,0);break;/* name or hex color */
1349
                    case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
1350
                    case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
1351
                    case 3: fly_font = get_string_argument(infile,0);
1352
                            if(strcmp(fly_font,"giant") == 0){
1353
                                font_size = (int)(font_size + 24);
1354
                            }
1355
                            else
1356
                            {
1357
                                if(strcmp(fly_font,"huge") == 0){
1358
                                    font_size = (int)(font_size + 14);
1359
                                }
1360
                                else
1361
                                {
1362
                                    if(strcmp(fly_font,"large") == 0){
1363
                                        font_size = (int)(font_size + 6);
1364
                                        }
1365
                                        else
1366
                                        {
1367
                                            if(strcmp(fly_font,"small") == 0){
1368
                                                font_size = (int)(font_size - 4);
1369
                                                if(font_size<0){font_size = 8;}
1370
                                        }
1371
                                    }
1372
                                }
1373
                            }
1374
                            break; /* font_size ! */
1375
                    case 4:
1376
                    decimals = find_number_of_digits(precision);
1377
                    temp = get_string_argument(infile,1);
1378
                    string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_translate,translate_x,translate_y);
1379
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1380
                    snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,90,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,temp,use_rotate,angle,use_translate,translate_x,translate_y);
1381
                    add_to_buffer(tmp_buffer);
1382
                    break;
1383
                    default:break;
1384
                }
1385
            }
1386
            reset();
1387
            break;
1388
        case FONTFAMILY:
1389
        /*
1390
         @ fontfamily font_description
1391
         @ set the font family; for browsers that support it
1392
         @ font_description: Ariel ,Courier, Helvetica etc
1393
         @ in case commands<br /> 'string color,x,y,the string'<br /> 'stringup color,x,y,rotation,the string'<br />fontfamily can be something like:<br />italic 34px Ariel
1394
         @ use correct syntax : 'font style' 'font size'px 'fontfamily'
1395
        */
1396
            font_family = get_string(infile,1);
1397
            break;
1398
        case STRINGUP:
1399
        /*
1400
         @ stringup color,x,y,rotation_degrees,the text string
1401
         @ can <b>not</b> be set "onclick" or "drag xy" (because of translaton matrix...mouse incompatible)
1402
         @ unicode supported: stringup red,0,0,45,\\u2232
1403
         @ use a command like 'fontfamily bold 34px Courier' <br />to set fonts on browser that support font change
1404
 
1405
        */
1406
            if( js_function[DRAW_TEXTS] != 1 ){ js_function[DRAW_TEXTS] = 1;}   /* can not be added to shape library : rotate / mouse issues */
1407
            for(i=0;i<6;i++){
1408
                switch(i){
1409
                    case 0: font_color = get_color(infile,0);break;/* name or hex color */
1410
                    case 1: int_data[0] = x2px(get_real(infile,0));break; /* x */
1411
                    case 2: int_data[1] = y2px(get_real(infile,0));break; /* y */
1412
                    case 3: double_data[0] = get_real(infile,0);break;/* rotation */
1413
                    case 4: decimals = find_number_of_digits(precision);
1414
                            temp = get_string_argument(infile,1);
1415
                            string_length = snprintf(NULL,0,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,double_data[0],temp,use_rotate,angle,use_translate,translate_x,translate_y);
1416
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1417
                            snprintf(tmp_buffer,string_length,"draw_text(%d,%d,%d,%d,\"%s\",\"%s\",%.2f,%.2f,\"%s\",%d,%.2f,%d,[%d,%d]);\n",STATIC_CANVAS,int_data[0],int_data[1],font_size,font_family,font_color,stroke_opacity,double_data[0],temp,use_rotate,angle,use_translate,translate_x,translate_y);
1418
                            add_to_buffer(tmp_buffer);
1419
                            break;
1420
                    default:break;
1421
                }
1422
            }
1423
            reset();
1424
            break;
1425
        case STRING:
1426
        /*
1427
         @ string color,x,y,the text string
1428
         @ may be set "onclick" or "drag xy"
1429
         @ unicode supported: string red,0,0,\\u2232
1430
         @ use a command like 'fontfamily italic 24px Ariel' <br />to set fonts on browser that support font change
1431
        */
1432
            for(i=0;i<5;i++){
1433
                switch(i){
1434
                    case 0: stroke_color = get_color(infile,0);break;/* name or hex color */
1435
                    case 1: double_data[0] = get_real(infile,0);break; /* x in xrange*/
1436
                    case 2: double_data[1] = get_real(infile,0);break; /* y in yrange*/
1437
                    case 3: decimals = find_number_of_digits(precision);
1438
                        temp = get_string_argument(infile,1);
1439
                        decimals = find_number_of_digits(precision);
7785 schaersvoo 1440
                        fprintf(js_include_file,"dragstuff.addShape(new Shape(%d,%d,%d,14,[%.*f],[%.*f],[30],[30],%d,\"%s\",%.2f,\"%s\",%.2f,%d,%d,%d,%d,%d,%d,\"%s\",%d,\"%s\",%d,%s));\n",click_cnt,onclick,drag_type,decimals,double_data[0],decimals,double_data[1],line_width,stroke_color,stroke_opacity,stroke_color,stroke_opacity,0,0,0,0,0,0,temp,font_size,font_family,use_affine,affine_matrix);
7614 schaersvoo 1441
                        click_cnt++;reset();break;
1442
                            break;
1443
                    default:break;
1444
                }
1445
            }
1446
            break;
1447
        case MATHML:
1448
        /*
1449
        @ mathml x1,y1,x2,y2,mathml_string
1450
        @ mathml will be displayed in a rectangle left top (x1:y1) , right bottom (x2:y2)
1451
        @ can be set onclick <br />(however dragging is not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
1452
        @ if inputfields are incorporated in mathml (with id's : id='mathml0',id='mathml1',...id='mathml_n')<br />the user_input values will be read by javascript:read_mathml();<br />attention: if after this mathml-input object other user-interactions are included, these will read mathml too using "read_canvas();"
1453
        @ If other inputfields (command input / command textarea) or userdraw is performed, the function read_canvas() will not read mathml. Use some generic function to read it....
7653 schaersvoo 1454
 
7614 schaersvoo 1455
        */
1456
            if( js_function[DRAW_XML] != 1 ){ js_function[DRAW_XML] = 1;}
1457
            for(i=0;i<5;i++){
1458
                switch(i){
1459
                    case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
1460
                    case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system  -> pixel height */
1461
                    case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
1462
                    case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system  -> pixel height */
1463
                    case 4: decimals = find_number_of_digits(precision);
1464
                            if(onclick == 1 ){ onclick = click_cnt;click_cnt++;}
1465
                            temp = get_string(infile,1);
1466
                            if( strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'"); }
1467
                            string_length = snprintf(NULL,0,"draw_xml(%d,%d,%d,%d,%d,\"%s\",%d);\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp,onclick);
1468
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1469
                            snprintf(tmp_buffer,string_length,"draw_xml(%d,%d,%d,%d,%d,\"%s\",%d);\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp,onclick);
1470
                            add_to_buffer(tmp_buffer);
1471
                            /*
1472
                             in case inputs are present , trigger adding the read_mathml()
1473
                             if no other reply_format is defined
1474
                             note: all other reply types will include a reading of elements with id='mathml'+p)
1475
                             */
1476
                            if(strstr(temp,"mathml0") != NULL){
1477
                             if(reply_format < 1 ){reply_format = 16;} /* no other reply type is defined */
1478
                            }
1479
                            break;
1480
                    default:break;
1481
                }
1482
            }
1483
            reset();
1484
            break;
1485
        case HTTP:
1486
        /*
1487
         @http x1,y1,x2,y2,http://some_adress.com
1488
         @an active html-page will be displayed in an "iframe" rectangle left top (x1:y1) , right bottom (x2:y2)
1489
         @do not use interactivity (or mouse) if the mouse needs to be active in the iframe
1490
         @can not be 'set onclick' or 'drag xy'
1491
        */
1492
            if( js_function[DRAW_HTTP] != 1 ){ js_function[DRAW_HTTP] = 1;}    
1493
            for(i=0;i<5;i++){
1494
                switch(i){
1495
                    case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in x/y-range coord system -> pixel width */
1496
                    case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in x/y-range coord system  -> pixel height */
1497
                    case 2: int_data[2]=x2px(get_real(infile,0)) - int_data[0];break; /* width in x/y-range coord system -> pixel width */
1498
                    case 3: int_data[3]=y2px(get_real(infile,0)) - int_data[1];break; /* height in x/y-range coord system  -> pixel height */
1499
                    case 4: decimals = find_number_of_digits(precision);
1500
                            temp = get_string(infile,1);
1501
                            if(strstr(temp,"\"") != 0 ){ temp = str_replace(temp,"\"","'");}
1502
                            string_length = snprintf(NULL,0,"draw_http(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
1503
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1504
                            snprintf(tmp_buffer,string_length,"draw_http(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
1505
                            add_to_buffer(tmp_buffer);
1506
                    break;
1507
                }
1508
            }
1509
            reset();
1510
            break;
1511
        case HTML:
1512
        /*
1513
         @ html x1,y1,x2,y2,html_string
1514
         @ all tags are allowed
1515
         @ can be set onclick <br />(dragging not supported)<br />javascript:read_dragdrop(); will return click number of mathml-object
1516
         @ if inputfields are incorporated  (with id's : id='mathml0',id='mathml1',...id='mathml_n')<br />the user_input values will be read by javascript:read_canvas(); <br />If other inputfields (command input / command textarea) or userdraw is performed, these values will NOT be read as well.
1517
 
1518
         note: uses the same code as 'mathml'
1519
        */
1520
            break;
1521
        case X_AXIS_STRINGS:
1522
        /*
1523
         @ xaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
1524
         @ xaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
1525
         @ use these x-axis values in stead of default xmin...xmax
1526
         @ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
1527
         @ if the 'x-axis words' are to big amd will overlap, a simple alternating offset will be applied
1528
         @ example:<br />size 400,400<br />xrange 0,13<br />yrange -100,500<br />axis<br />xaxis 1:january:2:february:3:march:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december<br />#'xmajor' steps should be synchronised with numbers eg. "1" in this example<br />grid 1,100,grey,1,4,6,grey
1529
         @ example:<br />size 400,400<br />xrange -5*pi,5*pi<br />yrange -100,500<br />axis<br />xaxis -4*pi:-4\\u03c0:-3*pi:-3\\u03c0:-2*pi:-2\\u03c0:-1*pi:-\\u03c0:0:0:pi:\\u03c0:2*pi:2\\u03c01:3*pi:3\\u03c0:4*pi:4\\u03c0<br />#'xmajor' steps should be synchronised with numbers eg. "1" in this example<br />grid pi,1,grey,1,3,6,grey
1530
        */
1531
            temp = get_string(infile,1);
1532
            if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
1533
            if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
1534
            fprintf(js_include_file,"x_strings = [\"%s\"];\n ",temp);
1535
            use_axis_numbering = 1;
1536
            break;
1537
        case Y_AXIS_STRINGS:
1538
        /*
1539
         @ yaxis num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
1540
         @ yaxistext num1:string1:num2:string2:num3:string3:num4:string4:....num_n:string_n
1541
         @ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
1542
         @ use these y-axis values in stead of default ymin...ymax
1543
         @ example:<br />size 400,400<br />yrange 0,13<br />xrange -100,500<br />axis<br />yaxis 1:january:2:february:3:march:5:may:6:june:7:july:8:august:9:september:10:october:11:november:12:december<br />#'ymajor' steps should be synchronised with numbers eg. "1" in this example<br />grid 100,1,grey,4,1,6,grey
1544
        */
1545
            temp = get_string(infile,1);
1546
            if( strstr(temp,":") != 0 ){ temp = str_replace(temp,":","\",\"");}
1547
            if( strstr(temp,"pi") != 0 ){ temp = str_replace(temp,"pi","(3.1415927)");}/* we need to replace pi for javascript y-value*/
1548
            fprintf(js_include_file,"y_strings = [\"%s\"];\n ",temp);
1549
            use_axis_numbering = 1;
1550
            break;
1551
 
1552
        case AXIS_NUMBERING:
1553
        /*
1554
            @ axisnumbering
1555
            @ keyword, no aguments required
1556
        */
1557
            use_axis_numbering = 1;
1558
            break;
1559
        case AXIS:
1560
        /*
1561
            @ axis
1562
            @ keyword, no aguments required
1563
 
1564
        */
1565
            use_axis = TRUE;
1566
            break;
7654 schaersvoo 1567
        case SGRAPH:
1568
        /*
1569
         @ sgraph xstart,ystart,xmajor,ymajor,xminor,yminor,majorgrid_color,minorgrid_color
1570
         @ primitive implementation of a 'broken scale' graph...
1571
         @ not very versatile.
1572
         @ example:<br />size 400,400<br />xrange 0,10000<br />yrange 0,100<br />sgraph 9000,50,100,10,4,4,grey,blue<br />userinput_xy<br />linewidth 2<br />userdraw segments,red
1573
        */
1574
            if( js_function[DRAW_SGRAPH] != 1 ){ js_function[DRAW_SGRAPH] = 1;}
1575
            for(i = 0 ; i < 8 ;i++){
1576
                switch(i){
1577
                    case 0:double_data[0] = get_real(infile,0);break;
1578
                    case 1:double_data[1] = get_real(infile,0);break;
1579
                    case 2:double_data[2] = get_real(infile,0);break;
1580
                    case 3:double_data[3] = get_real(infile,0);break;
1581
                    case 4:int_data[0] = (int)(get_real(infile,0));break;
1582
                    case 5:int_data[1] = (int)(get_real(infile,0));break;
1583
                    case 6:stroke_color = get_color(infile,0);break;
1584
                    case 7:font_color = get_color(infile,1);
7658 schaersvoo 1585
                    string_length = snprintf(NULL,0,"xstart = %f;\nystart = %f;\ndraw_sgraph(%d,%d,%f,%f,%d,%d,\"%s\",\"%s\",\"%s\",%f,%d);\n",double_data[0],double_data[1],GRID_CANVAS,precision,double_data[2],double_data[3],int_data[0],int_data[1],stroke_color,font_color,font_family,stroke_opacity,font_size);
7654 schaersvoo 1586
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7658 schaersvoo 1587
                    snprintf(tmp_buffer,string_length,"xstart = %f;\nystart = %f;\ndraw_sgraph(%d,%d,%f,%f,%d,%d,\"%s\",\"%s\",\"%s\",%f,%d);\n",double_data[0],double_data[1],GRID_CANVAS,precision,double_data[2],double_data[3],int_data[0],int_data[1],stroke_color,font_color,font_family,stroke_opacity,font_size);
7654 schaersvoo 1588
                    add_to_buffer(tmp_buffer);
1589
                    break;
1590
                    default:break;
1591
                }
1592
            }
1593
            /* sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity)*/
1594
            break;
7614 schaersvoo 1595
        case GRID:/* xmajor,ymajor,color [,xminor,yminor,tick length (px) ,color]*/
1596
        /*
1597
         @ grid step_x,step_y,gridcolor
1598
         @ use command "fontcolor", "fontsize" , "fontfamily" to adjust font <br />defaults: black,12,Ariel
1599
         @ if keywords "axis" or "axisnumbering" are set, use :<br />grid step_x,step_y,major_color,minor_x,minor_y,tics height in px,axis_color<br />minor x step = step_x / minor_x
7654 schaersvoo 1600
         @ if xmin > 0 and/or ymin > 0 and zooming / panning is not activ: <br /> be aware that the x/y-axis numbering and x/y major/minor tic marks will not be visual <br /> as they are placed under the x-axis and left to the y-axis (in Quadrant II and IV)
7614 schaersvoo 1601
         @ can not be set "onclick" or "drag xy"
1602
         @ use commands 'xlabel some_string' and/or 'ylabel some_string' to label axis;<br />use command "fontsize" to adjust size (the font family is non-configurable 'italic your_fontsize px Ariel')
1603
         @ see commands "xaxis" or "xaxistext", "yaxis" or "yaxistext" to set tailormade values on axis (the used font is set by command fontfamily; default '12px Ariel')
1604
         @ see command "legend" to set a legend for the graph ;<br />use command "fontsize" to adjust size (the font family is non-configurable 'bold your_fontsize px Ariel')
1605
        */
7729 schaersvoo 1606
            if( js_function[DRAW_YLOGSCALE] == 1 ){canvas_error("only one grid type is allowed...");}
7614 schaersvoo 1607
            if( js_function[DRAW_GRID] != 1 ){ js_function[DRAW_GRID] = 1;}
1608
            for(i=0;i<4;i++){
1609
                switch(i){
1610
                    case 0:double_data[0] = get_real(infile,0);break;/* xmajor */
1611
                    case 1:double_data[1] = get_real(infile,0);break;/* ymajor */
1612
                    case 2:
1613
                    if( use_axis == TRUE ){
1614
                        stroke_color = get_color(infile,0);
1615
                        done = FALSE;
1616
                        int_data[0] = (int) (get_real(infile,0));/* xminor */
1617
                        int_data[1] = (int) (get_real(infile,0));/* yminor */
1618
                        int_data[2] = (int) (get_real(infile,0));/* tic_length */
1619
                        fill_color = get_color(infile,1); /* used as axis_color*/
1620
                    }
1621
                    else
1622
                    {
1623
                        int_data[0] = 1;
1624
                        int_data[1] = 1;
1625
                        stroke_color = get_color(infile,1);
1626
                        fill_color = stroke_color;
1627
                    }
1628
                    if( double_data[0] <= 0 ||  double_data[1] <= 0 ||  int_data[0] <= 0 ||  int_data[1] <= 0 ){canvas_error("major or minor tickt must be positive !");}
7634 schaersvoo 1629
                    /* set snap_x snap_y values in pixels */
7647 schaersvoo 1630
                    fprintf(js_include_file,"snap_x = %f;snap_y = %f\n;",double_data[0] / int_data[0],double_data[1] / int_data[1]);
7614 schaersvoo 1631
/* draw_grid%d = function(canvas_type,precision,stroke_opacity,xmajor,ymajor,xminor,yminor,tics_length,line_width,stroke_color,axis_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_translate,vector,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){ */
1632
 
1633
                    string_length = snprintf(NULL,0,  "draw_grid%d(%d,%d,%.2f,%.*f,%.*f,%d,%d,%d,%d,\"%s\",\"%s\",%d,\"%s\",%d,%d,%d,%.2f,%d,[%d,%d],%d,%d,%d,\"%s\",%.2f);\n",canvas_root_id,GRID_CANVAS,precision,stroke_opacity,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],int_data[2],line_width,stroke_color,fill_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_translate,translate_x,translate_y,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
1634
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1635
                    snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,%.2f,%.*f,%.*f,%d,%d,%d,%d,\"%s\",\"%s\",%d,\"%s\",%d,%d,%d,%.2f,%d,[%d,%d],%d,%d,%d,\"%s\",%.2f);\n",canvas_root_id,GRID_CANVAS,precision,stroke_opacity,decimals,double_data[0],decimals,double_data[1],int_data[0],int_data[1],int_data[2],line_width,stroke_color,fill_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_translate,translate_x,translate_y,use_dashed,dashtype[0],dashtype[1],font_color,fill_opacity);
1636
                    add_to_buffer(tmp_buffer);
1637
                    break;
1638
                }
1639
            }
1640
            reset();
1641
            break;
1642
        case OPACITY:
1643
        /*
1644
        @ opacity 0-255,0-255
1645
        @
1646
        */
1647
            for(i = 0 ; i<2;i++){
1648
                switch(i){
1649
                    case 0: double_data[0]=(int)(get_real(infile,0));break;
1650
                    case 1: double_data[1]=(int)(get_real(infile,1));break;
1651
                    default: break;
1652
                }
1653
            }
1654
            if( double_data[0] < 0 || double_data[0] > 255 || double_data[1] < 0 || double_data[1] > 255  ){ canvas_error("opacity [0 - 255] , [0 - 255]");}/* typo or non-RGB ? */
1655
            stroke_opacity = (double) (0.0039215*double_data[0]);/* 0.0 - 1.0 */
1656
            fill_opacity = (double) (0.0039215*double_data[1]);/* 0.0 - 1.0 */
1657
            break;
1658
        case ROTATE:
1659
        /*
1660
         @rotate rotation_angle
1661
         @
1662
        */
1663
            use_rotate = TRUE;
1664
            use_translate = TRUE;
1665
            translate_x = x2px(0);
1666
            translate_y = y2px(0);
1667
            angle = get_real(infile,1);
1668
            break;
7785 schaersvoo 1669
        case KILLAFFINE:
1670
        /*
1671
        @ killaffine
1672
        @ keyword : resets the transformation matrix to 1,0,0,1,0,0
1673
        */
1674
            use_affine = FALSE;
1675
            snprintf(affine_matrix,14,"[1,0,0,1,0,0]");    
1676
            break;
1677
        case AFFINE:
1678
        /*
1679
         @affine a,b,c,d,tx,ty
1680
         @ defines a transformation matrix for subsequent objects
1681
         @ use keyword 'killaffine' to end the transformation
1682
         @ note 1: only 'draggable' / 'noclick' objects can be transformed.
1683
         @ note 2: do not use 'onclick' or 'drag xy' with tranformation objects : the mouse coordinates do not get transformed (yet)
1684
         @ note 3: no matrix operations on the transformation matrix implemented (yet)
1685
         @ a : Scales the drawings horizontally
1686
         @ b : Skews the drawings horizontally
1687
         @ c : Skews the drawings vertically
1688
         @ d : Scales the drawings vertically
7786 schaersvoo 1689
         @ tx: Moves the drawings horizontally in pixels !
1690
         @ ty: Moves the drawings vertically in pixels !
7785 schaersvoo 1691
        */
1692
            for(i = 0 ; i<6;i++){
1693
                switch(i){
1694
                    case 0: double_data[0] = get_real(infile,0);break;
1695
                    case 1: double_data[1] = get_real(infile,0);break;
1696
                    case 2: double_data[2] = get_real(infile,0);break;
1697
                    case 3: double_data[3] = get_real(infile,0);break;
1698
                    case 4: int_data[0] = (int)(get_real(infile,0));break;
1699
                    case 5: int_data[1] = (int)(get_real(infile,1));
1700
                        use_affine = TRUE;
1701
                        string_length = snprintf(NULL,0,"[%.2f,%.2f,%.2f,%.2f,%d,%d] ",double_data[0],double_data[1],double_data[2],double_data[3],int_data[0],int_data[1]);
1702
                        check_string_length(string_length);affine_matrix = my_newmem(string_length+1);
1703
                        snprintf(affine_matrix,string_length,"[%.2f,%.2f,%.2f,%.2f,%d,%d] ",double_data[0],double_data[1],double_data[2],double_data[3],int_data[0],int_data[1]);    
1704
                    break;
1705
                    default: break;
1706
                }
1707
            }
1708
        break;
7614 schaersvoo 1709
        case KILLTRANSLATION:
1710
        /*
1711
         killtranslation
1712
        */
1713
            break;
1714
        case TRANSLATION:
1715
        /*
1716
         @translation tx,ty
1717
         @
1718
        */
1719
            use_translate = TRUE;
1720
            translate_x = get_real(infile,0);
1721
            translate_y = get_real(infile,1);
1722
            break;
1723
        case DASHED:
1724
        /*
1725
        @ keyword "dashed"
1726
        @ next object will be drawn with a dashed line
1727
        @ change dashing scheme by using command "dashtype int,int)
1728
        */
1729
            use_dashed = TRUE;
1730
            break;
1731
        case FILLED:
1732
        /*
1733
        @ keyword "filled"
1734
        @ the next 'fillable' object (only) will be filled
1735
        @ use command "fillcolor color" to set fillcolor
1736
        @ use command "opacity 0-255,0-255" to set stroke and fill-opacity
1737
        @ use command "fill x,y,color" or "floodfill x,y,color" to fill the space around (x;y) with color <br />pixel operation implemented in javascript: use with care !
1738
        */
1739
            use_filled = TRUE;
1740
            break;
1741
        case STYLE:
1742
        /*
1743
         @highlight color,opacity,linewidth
1744
         @ NOT IMPLEMENTED
1745
         @ use command "onclick" : when the object receives a userclick it will increase it's linewidth
1746
        */
1747
            break;
1748
        case FILLCOLOR:
1749
        /*
1750
        @ fillcolor colorname or #hex
1751
        @ Set the color for a filled object : mainly used for command 'userdraw obj,stroke_color'
1752
        @ All fillable massive object will have a fillcolor == strokecolor (just to be compatible with flydraw...)
1753
        */
1754
            fill_color = get_color(infile,1);
1755
            break;
1756
        case STROKECOLOR:
1757
        /*
1758
        @ strokecolor colorname or #hex
1759
        @ to be used for commands that do not supply a color argument (like command 'linegraph')
1760
        */
1761
            stroke_color = get_color(infile,1);
1762
            break;
1763
        case BGIMAGE:
1764
        /*
1765
         @bgimage image_location
1766
         @use an image as background .<br />(we use the background of 'canvas_div' )
1767
         @the background image will be resized to match "width = xsize" and "height = ysize"
1768
        */
1769
        URL = get_string(infile,1);
1770
        fprintf(js_include_file,"<!-- set background image to canvas div -->\ncanvas_div.style.backgroundImage = \"url(%s)\";canvas_div.style.backgroundSize = \"%dpx %dpx\";\n",URL,xsize,ysize);
1771
            break;
1772
        case BGCOLOR:
1773
        /*
1774
         @bgcolor colorname or #hex
1775
         @use this color as background of the "div" containing the canvas(es)
1776
        */
1777
        /* [255,255,255]*/
1778
            bgcolor = get_string(infile,1);
1779
            if(strstr(bgcolor,"#") == NULL){ /* convert colorname -> #ff00ff */
1780
                int found = 0;
1781
                for( i = 0; i < NUMBER_OF_COLORNAMES ; i++ ){
1782
                    if( strcmp( colors[i].name , bgcolor ) == 0 ){
1783
                        bgcolor = colors[i].hex;
1784
                        found = 1;
1785
                        break;
1786
                    }
1787
                }
1788
                if(found == 0){canvas_error("your bgcolor is not in my rgb.txt data list : use hexcolor...something like #a0ffc4");}
1789
            }
1790
            fprintf(js_include_file,"<!-- set background color of canvas div -->\ncanvas_div.style.backgroundColor = \"%s\";canvas_div.style.opacity = %f;\n",bgcolor,fill_opacity);
1791
            break;
1792
        case COPY:
1793
        /*
1794
        @ copy x,y,x1,y1,x2,y2,[filename URL]
1795
        @ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [filename] to (x,y) in x/y-range
1796
        @ If x1=y1=x2=y2=-1, the whole [filename URL] is copied.
1797
        @ [filename] is the URL of the image   
1798
        @ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
1799
        @ if command 'drag x/y/xy' is set before command 'copy', the images will be draggable<br />javascript function read_canvas(); will return the x/y coordinate data in xrange/yrange of all -including non draggable- images<br />the command drag is only valuid for the next image<br />draggable / non-draggable images may be mixed
1800
        @ if you want to draw / userdraw  on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
1801
 
1802
        context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
1803
        draw_external_image(canvas_type,URL,sx,sy,swidth,sheight,x,y,width,height,drag_drop){
1804
        */
1805
            for(i = 0 ; i<7;i++){
1806
                switch(i){
1807
                    case 0: int_data[0]=x2px(get_real(infile,0));break; /* x left top corner in x/y range  */
1808
                    case 1: int_data[1]=y2px(get_real(infile,0));break; /* y left top corner in x/y range */
1809
                    case 2: int_data[2]=(int)(get_real(infile,0));break;/* x1 in px of external image */
1810
                    case 3: int_data[3]=(int)(get_real(infile,0));break;/* y1 in px of external image */
1811
                    case 4: int_data[4]=(int)(get_real(infile,0));break;/* x2 --> width  */
1812
                    case 5: int_data[5]=(int)(get_real(infile,0)) ;break;/* y2 --> height */
1813
                    case 6: URL = get_string(infile,1);
1814
                            int_data[6] = int_data[4] - int_data[2];/* swidth & width (if not scaling )*/
1815
                            int_data[7] = int_data[5] - int_data[3];/* sheight & height (if not scaling )*/
1816
                            if( drag_type > -1 ){
1817
                                if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
1818
                                if(reply_format < 1 ){reply_format = 20;}
1819
                                string_length = snprintf(NULL,0,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7],ext_img_cnt,1);
1820
                                check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1821
                                snprintf(tmp_buffer,string_length,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7],ext_img_cnt,1);                       
1822
                                drag_type = -1;
1823
                                ext_img_cnt++;
1824
                            }
1825
                            else
1826
                            {
1827
                                if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
1828
                                /*
1829
                                draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\n\
1830
                                */
1831
                                string_length = snprintf(NULL,0,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7]);
1832
                                check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1833
                                snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\n",URL,int_data[2],int_data[3],int_data[6],int_data[7],int_data[0],int_data[1],int_data[6],int_data[7]);
1834
                            }
1835
                            add_to_buffer(tmp_buffer);
1836
                            break;
1837
                    default: break;
1838
                }
1839
            }
1840
            reset();
1841
            break;
1842
/*
1843
context.drawImage(img,sx,sy,swidth,sheight,x,y,width,height);
1844
img     Specifies the image, canvas, or video element to use
1845
sx      The x coordinate where to start clipping : x1 = int_data[0]
1846
sy      The y coordinate where to start clipping : x2 = int_data[1]
1847
swidth  The width of the clipped image : int_data[2] - int_data[0]
1848
sheight The height of the clipped image : int_data[3] - int_data[1]
1849
x       The x coordinate where to place the image on the canvas : dx1 = int_data[4]
1850
y       The y coordinate where to place the image on the canvas : dy1 = int_data[5]
1851
width   The width of the image to use (stretch or reduce the image) : dx2 - dx1 = int_data[6]
1852
height  The height of the image to use (stretch or reduce the image) : dy2 - dy1 = int_data[7]
1853
*/
1854
        case COPYRESIZED:
1855
        /*
1856
        @ copyresized x1,y2,x2,y2,dx1,dy1,dx2,dy2,image_file_url
1857
        @ Insert the region from (x1,y1) to (x2,y2) (in pixels) of [ filename], <br />possibly resized,<br />to the region of (dx1,dy1) to (dx2,dy2) in x/y-range
1858
        @ If x1=y1=x2=y2=-1, the whole [filename / URL ] is copied and resized.
1859
        @ URL is normal URL of network reachable image file location<br />(eg special url for 'classexo' not -yet- implemented)
1860
        @ if command 'drag x/y/xy' is set before command 'copy', the images will be draggable<br />javascript function read_canvas(); will return the x/y coordinate data in xrange/yrange of all -including non draggable- images<br />the command drag is only valuid for the next image<br />draggable / non-draggable images may be mixed
1861
        @ if you want to draw / userdraw  on an "imported" image, make sure it is transparent.<br />for example GNUPlot: set terminal gif transparent
1862
        */
1863
            for(i = 0 ; i<9;i++){
1864
                switch(i){
1865
                    case 0: int_data[0] = (int)(get_real(infile,0));break; /* x1 */
1866
                    case 1: int_data[1] = (int)(get_real(infile,0));break; /* y1 */
1867
                    case 2: int_data[2] = (int)(get_real(infile,0));break;/* x2 */
1868
                    case 3: int_data[3] = (int)(get_real(infile,0));break;/* y2 */
1869
                    case 4: int_data[4] = x2px(get_real(infile,0));break;/* dx1 */
1870
                    case 5: int_data[5] = y2px(get_real(infile,0));break;/* dy1 */
1871
                    case 6: int_data[6] = x2px(get_real(infile,0));break;/* dx2 */
1872
                    case 7: int_data[7] = y2px(get_real(infile,0));break;/* dy2 */
1873
                    case 8: URL = get_string(infile,1);
1874
                            if( drag_type > -1 ){
1875
                                if( js_function[DRAG_EXTERNAL_IMAGE] != 1 ){ js_function[DRAG_EXTERNAL_IMAGE] = 1;}
1876
                                if(reply_format < 1 ){reply_format = 20;}
1877
                                string_length = snprintf(NULL,0,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],ext_img_cnt,1);
1878
                                check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1879
                                snprintf(tmp_buffer,string_length,"drag_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,%d,%d);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],ext_img_cnt,1);
1880
                                drag_type = -1;
1881
                                ext_img_cnt++;
1882
                            }
1883
                            else
1884
                            {
1885
                                if( js_function[DRAW_EXTERNAL_IMAGE] != 1 ){ js_function[DRAW_EXTERNAL_IMAGE] = 1;}
1886
                                string_length = snprintf(NULL,0,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7]);
1887
                                check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1888
                                snprintf(tmp_buffer,string_length,"draw_external_image(\"%s\",%d,%d,%d,%d,%d,%d,%d,%d,0);\n",URL,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7]);
1889
                            }
1890
                            add_to_buffer(tmp_buffer);
1891
                    default: break;
1892
                }
1893
            }
1894
            reset();
1895
            break;
1896
        case BUTTON:
1897
        /*
1898
         button x,y,value
1899
        */
1900
        break;
1901
        case INPUTSTYLE:
1902
        /*
1903
        @ inputstyle style_description
1904
        @ example: inputstyle color:blue;font-weight:bold;font-style:italic;font-size:16pt
1905
        */
1906
            input_style = get_string(infile,1);
1907
            break;
1908
        case INPUT:
1909
        /*
1910
         @ input x,y,size,editable,value
1911
         @ to set inputfield "readonly", use editable = 0
1912
         @ only active inputfields (editable = 1) will be read with read_canvas();
1913
         @ may be further controlled by "inputstyle" (inputcss is not yet implemented...)
1914
         @ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
1915
        */
1916
        if( js_function[DRAW_INPUTS] != 1 ){ js_function[DRAW_INPUTS] = 1;}    
1917
            for(i = 0 ; i<5;i++){
1918
                switch(i){
1919
                    case 0: int_data[0]=x2px(get_real(infile,0));break;/* x in px */
1920
                    case 1: int_data[1]=y2px(get_real(infile,0));break;/* y in px */
1921
                    case 2: int_data[2]=abs( (int)(get_real(infile,0)));break; /* size */
1922
                    case 3: if( get_real(infile,1) >0){int_data[3] = 1;}else{int_data[3] = 0;};break; /* readonly */
1923
                    case 4:
1924
                            temp = get_string_argument(infile,1);
1925
                            string_length = snprintf(NULL,0,  "draw_inputs(%d,%d,%d,%d,%d,%d,\"%s\",\"%s\");\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],input_style,temp);
1926
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1927
                            snprintf(tmp_buffer,string_length,"draw_inputs(%d,%d,%d,%d,%d,%d,\"%s\",\"%s\");\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],input_style,temp);
1928
                            add_to_buffer(tmp_buffer);
1929
                            input_cnt++;break;
1930
                    default: break;
1931
                }
1932
            }
1933
            if(reply_format < 1 ){reply_format = 15;}
1934
            reset();
1935
            break;
1936
        case TEXTAREA:
1937
        /*
1938
         @ textarea x,y,cols,rows,readonly,value
1939
         @ may be further controlled by "inputstyle"
1940
         @ if mathml inputfields are present and / or some userdraw is performed, these data will NOT be send as well (javascript:read_canvas();)
1941
        */
1942
            if( js_function[DRAW_TEXTAREAS] != 1 ){ js_function[DRAW_TEXTAREAS] = 1;}  
1943
            for(i = 0 ; i<6;i++){
1944
                switch(i){
1945
                    case 0: int_data[0]=x2px(get_real(infile,0));break; /* x in px */
1946
                    case 1: int_data[1]=y2px(get_real(infile,0));break; /* y in px */
1947
                    case 2: int_data[2]=abs( (int)(get_real(infile,0)));break;/* cols */
1948
                    case 3: int_data[3]=abs( (int)(get_real(infile,0)));break;/* rows */
1949
                    case 4: if( get_real(infile,1) >0){int_data[4] = 1;}else{int_data[3] = 0;};break; /* readonly */
1950
                    case 5: temp = get_string_argument(infile,1);
1951
                            string_length = snprintf(NULL,0,  "draw_textareas(%d,%d,%d,%d,%d,%d,%d,\"%s\",\"%s\");\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],input_style,temp);
1952
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
1953
                            snprintf(tmp_buffer,string_length,"draw_textareas(%d,%d,%d,%d,%d,%d,%d,\"%s\",\"%s\");\n",canvas_root_id,input_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],input_style,temp);
1954
                            add_to_buffer(tmp_buffer);
1955
                            input_cnt++;break;
1956
                    default: break;
1957
                }
1958
            }
1959
            if(reply_format < 1 ){reply_format = 15;}
1960
            reset();
1961
            break;
1962
        case MOUSE_PRECISION:
1963
        /*
1964
            @ precision int
1965
            @ 10 = 1 decimal ; 100 = 2 decimals etc
1966
            @ may be used / changed before every object
1967
        */
1968
            precision = (int) (get_real(infile,1));
1969
            break;
1970
        case ZOOM:
1971
        /*
1972
         @ zoom button_color
1973
         @ introduce a controlpanel at the lower right corner
1974
         @ giving six 15x15pixel 'active' rectangle areas<br />(for x,leftarrow,rightarrow,uparrow,downarrow and a '-' and a '+' sign ) for zooming and/or panning of the image
1975
         @ the 'x' symbol will do a 'location.reload' of the page, and thus reset all canvas drawings.
1976
         @ choose an appropriate colour, so the small 'x,arrows,-,+' are clearly visible
1977
         @ command 'opacity' may be used to set stroke_opacity of 'buttons
1978
         @ NOTE: only objects that may be set draggable / clickable will be zoomed / panned
1979
         @ NOTE: when an object is dragged, zooming / panning will cause the coordinates to be reset to the original position :( <br />e.g. dragging / panning will get lost. (array with 'drag data' is erased)<br />This is a design flaw and not a feature !!
1980
        */
7653 schaersvoo 1981
            fprintf(js_include_file,"use_pan_and_zoom = 1;");
7614 schaersvoo 1982
            if( js_function[DRAW_ZOOM_BUTTONS] != 1 ){ js_function[DRAW_ZOOM_BUTTONS] = 1;}
1983
            /* we use BG_CANVAS (0) */
1984
            stroke_color = get_color(infile,1);
7653 schaersvoo 1985
            string_length = snprintf(NULL,0," draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614 schaersvoo 1986
            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
7653 schaersvoo 1987
            snprintf(tmp_buffer,MAX_BUFFER-1,"draw_zoom_buttons(%d,\"%s\",%f);",BG_CANVAS,stroke_color,stroke_opacity);
7614 schaersvoo 1988
            add_to_buffer(tmp_buffer);
1989
            done = TRUE;
1990
            break;
1991
        case ONCLICK:
1992
        /*
1993
         @ onclick
1994
         @ keyword, no arguments
1995
         @ if the next object is clicked, it's 'object sequence number' in fly script is returned <br /> by javascript:read_canvas();
1996
         @ Line based object will show an increase in linewidth<br />Font based objects will show the text in 'bold' when clicked.
1997
         @ NOTE: not all objects  may be set clickable
1998
        */
1999
 
2000
            onclick = 1;
2001
            break;
2002
        case DRAG:
2003
        /*
2004
         @ drag [x][y][xy]
2005
         @ the next object will be draggable in x / y / xy direction
2006
         @ the displacement can be read by 'javascript:read_dragdrop();'
2007
         @ in case of external images (commands copy / copyresized) the external image can be set draggable ; always xy. <br />The function javascript;read_canvas() will return the xy-coordinates of all images.
2008
         @ NOTE: in case an object is dragged , zooming or panning will cause the coordinates to be reset to the original position :( <br />e.g. dragging / panning will get lost. (array with 'drag data' is erased)<br />This is a design flaw and not a feature !!
2009
        */
2010
            temp = get_string(infile,1);
2011
            if(strstr(temp,"xy") != NULL ){
2012
                drag_type = 0;
2013
            }
2014
            else
2015
            {
2016
                if(strstr(temp,"x") != NULL ){
2017
                    drag_type = 1;
2018
                }
2019
                else
2020
                {
2021
                    drag_type = 2;
2022
                }
2023
            }
2024
            onclick = 2;
2025
            /* if(use_userdraw == TRUE ){canvas_error("\"drag & drop\" may not be combined with \"userdraw\" or \"pan and zoom\" \n");} */
2026
            break;
2027
        case BLINK:
2028
        /*
2029
         @ blink time(seconds)
2030
         @ NOT IMPLEMETED -YET
2031
        */
2032
            break;
2033
        case MOUSE:
2034
        /*
2035
         @ mouse color,fontsize
2036
         @ will display the cursor coordinates  in 'color' and 'font size'<br /> using default fontfamily Ariel
2037
        */
2038
            use_mouse_coordinates = TRUE; /* will add & call function "use_mouse_coordinates(){}" in current_canvas /current_context */
2039
            stroke_color = get_color(infile,0);
2040
            font_size = (int) (get_real(infile,1));
2041
            add_js_mouse(js_include_file,MOUSE_CANVAS,canvas_root_id,precision,stroke_color,font_size,stroke_opacity);
2042
            break;
2043
        case INTOOLTIP:
2044
            /*
2045
            @ intooltip link_text
2046
            @ link_text is a single line (span-element)
2047
            @ link_text may also be an image URL http://some_server/images/my_image.png
2048
            @ link_text may contain HTML markup
2049
            @ the canvas will be displayed in a tooltip on 'link_text'
2050
            @ the canvas is default transparent: use command 'bgcolor color' to adjust background-color<br />the link test will alos be shown with this bgcolor.
2051
            */
7652 schaersvoo 2052
            if(use_input_xy == TRUE){canvas_error("intooltip can not be combined with userinput_xy command");}
7614 schaersvoo 2053
            use_tooltip = TRUE;
2054
            tooltip_text = get_string(infile,1);
2055
            if(strstr(tooltip_text,"\"") != 0 ){ tooltip_text = str_replace(tooltip_text,"\"","'"); }
2056
            break;
2057
        case AUDIO:
2058
        /*
2059
        @ audio x,y,w,h,loop,visible,audiofile location
2060
        @ x,y : left top corner of audio element (in xrange / yrange)
2061
        @ w,y : width and height in pixels
2062
        @ loop : 0 or 1 ( 1 = loop audio fragment)
2063
        @ visible : 0 or 1 (1 = show controls)
2064
        @ audio format may be in *.mp3 or *.ogg
2065
        @ If you are using *.mp3 : be aware that FireFox will not (never) play this ! (Pattented format)
2066
        @ if you are using *.ogg : be aware that Microsoft based systems not support it natively
2067
        @ To avoid problems supply both types (mp3 and ogg) of audiofiles.<br />the program will use both as source tag
2068
        @ example: upload both audio1.ogg and audio1.mp3 to http://server/files/<br />audio 0,0,http://server/files/audio1.mp3<br />svdraw will copy html-tag audio1.mp3 to audio1.ogg<br /> and the browser will play the compatible file (audio1.ogg or audio1.mp3)<br />
2069
        */
2070
            if( js_function[DRAW_AUDIO] != 1 ){ js_function[DRAW_AUDIO] = 1;}
2071
            for(i=0;i<7;i++){
2072
                switch(i){
2073
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
2074
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system  -> pixel */
2075
                    case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
2076
                    case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
2077
                    case 4: int_data[4] = (int) (get_real(infile,0)); if(int_data[4] != TRUE){int_data[4] = FALSE;} break; /* loop boolean */
2078
                    case 5: int_data[5] = (int) (get_real(infile,0)); if(int_data[5] != TRUE){int_data[5] = FALSE;} break; /* visible boolean */
2079
                    case 6:
2080
                    temp = get_string(infile,1);
2081
                    if( strstr(temp,".mp3") != 0 ){ temp = str_replace(temp,".mp3","");}
2082
                    if( strstr(temp,".ogg") != 0 ){ temp = str_replace(temp,".ogg","");}
2083
                    string_length = snprintf(NULL,0,  "draw_audio(%d,%d,%d,%d,%d,%d,%d,\"%s.ogg\",\"%s.mp3\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],temp,temp);
2084
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2085
                    snprintf(tmp_buffer,string_length,"draw_audio(%d,%d,%d,%d,%d,%d,%d,\"%s.ogg\",\"%s.mp3\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],temp,temp);
2086
                    add_to_buffer(tmp_buffer);
2087
                    break;
2088
                    default:break;
2089
                }
2090
            }
2091
            reset();
2092
            break;
2093
        case VIDEO:
2094
        /*
2095
        @ video x,y,w,h,videofile location
2096
        @ x,y : left top corner of audio element (in xrange / yrange)
2097
        @ w,y : width and height in pixels
2098
        @ example:<br />wims getfile : video 0,0,120,120,myvideo.mp4
2099
        @ video format may be in *.mp4 (todo:other formats)
2100
        */
2101
            if( js_function[DRAW_VIDEO] != 1 ){ js_function[DRAW_VIDEO] = 1;}
2102
            for(i=0;i<5;i++){
2103
                switch(i){
2104
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x in x/y-range coord system -> pixel */
2105
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y in x/y-range coord system  -> pixel */
2106
                    case 2: int_data[2] = (int) (get_real(infile,0)); break; /* pixel width */
2107
                    case 3: int_data[3] = (int) (get_real(infile,0)); break; /* height pixel height */
2108
                    case 4: temp = get_string(infile,1);
2109
                            string_length = snprintf(NULL,0,  "draw_video(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
2110
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2111
                            snprintf(tmp_buffer,string_length,"draw_video(%d,%d,%d,%d,%d,\"%s\");\n",canvas_root_id,int_data[0],int_data[1],int_data[2],int_data[3],temp);
2112
                            add_to_buffer(tmp_buffer);
2113
                            break;
2114
                    default:break;
2115
                }
2116
            }
2117
            reset();
2118
            break;
2119
        case HATCHFILL:
2120
        /*
2121
        @ hatchfill x0,y0,dx,dy,color
2122
        @ x0,y0 in xrange / yrange
2123
        @ distances dx,dy in pixels
2124
        */
2125
            if( js_function[DRAW_HATCHFILL] != 1 ){ js_function[DRAW_HATCHFILL] = 1;}
2126
            for(i=0;i<5;i++){
2127
                switch(i){
2128
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
2129
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y  */
2130
                    case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
2131
                    case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
2132
                    case 4: stroke_color = get_color(infile,1);
2133
                    /* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
2134
                    string_length = snprintf(NULL,0,  "draw_hatchfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2135
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2136
                    snprintf(tmp_buffer,string_length,"draw_hatchfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2137
                    add_to_buffer(tmp_buffer);
2138
                    break;
2139
                    default:break;
2140
                }
2141
            }
2142
            reset();
2143
        break;
7647 schaersvoo 2144
        case DIAMONDFILL:
2145
        /*
2146
        @ diamondfill x0,y0,dx,dy,color
2147
        @ x0,y0 in xrange / yrange
2148
        @ distances dx,dy in pixels
2149
        */
2150
            if( js_function[DRAW_DIAMONDFILL] != 1 ){ js_function[DRAW_DIAMONDFILL] = 1;}
2151
            for(i=0;i<5;i++){
2152
                switch(i){
2153
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
2154
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y  */
2155
                    case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
2156
                    case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
2157
                    case 4: stroke_color = get_color(infile,1);
2158
                    /* draw_hatchfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
2159
                    string_length = snprintf(NULL,0,  "draw_diamondfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2160
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2161
                    snprintf(tmp_buffer,string_length,"draw_diamondfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2162
                    add_to_buffer(tmp_buffer);
2163
                    break;
2164
                    default:break;
2165
                }
2166
            }
2167
            reset();
2168
        break;
7614 schaersvoo 2169
        case GRIDFILL:
2170
        /*
2171
        @ gridfill x0,y0,dx,dy,color
2172
        @ x0,y0 in xrange / yrange
2173
        @ distances dx,dy in pixels
2174
        */
2175
            if( js_function[DRAW_GRIDFILL] != 1 ){ js_function[DRAW_GRIDFILL] = 1;}
2176
            for(i=0;i<5;i++){
2177
                switch(i){
2178
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
2179
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y  */
2180
                    case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
2181
                    case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
2182
                    case 4: stroke_color = get_color(infile,1);
2183
                    /* draw_gridfill(ctx,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize) */
2184
                    string_length = snprintf(NULL,0,  "draw_gridfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2185
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2186
                    snprintf(tmp_buffer,string_length,"draw_gridfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2187
                    add_to_buffer(tmp_buffer);
2188
                    break;
2189
                    default:break;
2190
                }
2191
            }
2192
            reset();
2193
        break;
2194
        case DOTFILL:
2195
        /*
2196
        @ dotfill x0,y0,dx,dy,color
2197
        @ x0,y0 in xrange / yrange
2198
        @ distances dx,dy in pixels
2199
        @ radius of dots is linewidth
2200
        */
2201
            if( js_function[DRAW_DOTFILL] != 1 ){ js_function[DRAW_DOTFILL] = 1;}
2202
            for(i=0;i<5;i++){
2203
                switch(i){
2204
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
2205
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y  */
2206
                    case 2: int_data[2] = (int) (get_real(infile,0)); break; /* dx pixel */
2207
                    case 3: int_data[3] = (int) (get_real(infile,0)); break; /* dy pixel*/
2208
                    case 4: stroke_color = get_color(infile,1);
2209
                    /* draw_dotfill(ctx,x0,y0,dx,dy,radius,color,opacity,xsize,ysize) */
2210
                    string_length = snprintf(NULL,0,  "draw_dotfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2211
                    check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2212
                    snprintf(tmp_buffer,string_length,"draw_dotfill(%d,%d,%d,%d,%d,%d,\"%s\",%.2f,%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],int_data[2],int_data[3],line_width,stroke_color,stroke_opacity,xsize,ysize);
2213
                    add_to_buffer(tmp_buffer);
2214
                    break;
2215
                    default:break;
2216
                }
2217
            }
2218
            reset();
2219
        break;
2220
        case IMAGEFILL:
2221
        /*
2222
        @ imagefill dx,dy,image_url
2223
        @ The next suitable <b>filled object</b> will be filled with "image_url" tiled
2224
        @ After pattern filling ,the fill-color should be reset !
2225
        @ wims getins / image from class directory : imagefill 80,80,my_image.gif
2226
        @ normal url : imagefill 80,80,$module_dir/gifs/my_image.gif
2227
        @ normal url : imagefill 80,80,http://adres/a/b/c/my_image.jpg
2228
        @ if dx,dy is larger than the image, the whole image will be background to the next object.
2229
        */
2230
            if( js_function[DRAW_IMAGEFILL] != 1 ){ js_function[DRAW_IMAGEFILL] = 1;}
2231
            for(i=0 ;i < 3 ; i++){
2232
                switch(i){
2233
                    case 0:int_data[0] = (int) (get_real(infile,0));break;
2234
                    case 1:int_data[1] = (int) (get_real(infile,0));break;
2235
                    case 2: URL = get_string_argument(infile,1);
2236
                            string_length = snprintf(NULL,0,  "draw_imagefill(%d,%d,%d,\"%s\",%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],URL,xsize,ysize);
2237
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2238
                            snprintf(tmp_buffer,string_length,"draw_imagefill(%d,%d,%d,\"%s\",%d,%d);\n",STATIC_CANVAS,int_data[0],int_data[1],URL,xsize,ysize);
2239
                            add_to_buffer(tmp_buffer);
2240
                    break;
2241
                }
2242
            }
2243
        break;
2244
        case FILLTOBORDER:
2245
        /*
2246
        @ filltoborder x,y,bordercolor,color
2247
        @ fill the region  of point (x:y) bounded by 'bordercolor' with color 'color'
2248
        @ any other color will not act as border to the bucket fill
2249
        @ use this command  after all boundary objects are declared.
2250
        @ NOTE: filltoborder is a very (client) cpu intensive operation!<br />filling is done pixel by pixel<br/>e.g. image size of 400x400 uses 160000 pixels : each pixel contains 4 data (R,G,B,Opacity) = 640000 data.<br />on every data a few operations / comparisons are done...<br />So have pity on your students CPU..
2251
        */
2252
            for(i=0 ;i < 4 ; i++){
2253
                switch(i){
2254
                    case 0:double_data[0] = get_real(infile,0);break;
2255
                    case 1:double_data[1] = get_real(infile,0);break;
2256
                    case 2:bgcolor = get_color(infile,0);break;
2257
                    case 3:fill_color = get_color(infile,1);
2258
                           if(js_function[DRAW_FILLTOBORDER] != 1 ){/* use only once */
2259
                                js_function[DRAW_FILLTOBORDER] = 1;
2260
                                add_js_filltoborder(js_include_file,canvas_root_id);
2261
                           }
2262
                           decimals = find_number_of_digits(precision);
2263
                           string_length = snprintf(NULL,0,  "filltoborder(%.*f,%.*f,[%s,%d],[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
2264
                           check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2265
                           snprintf(tmp_buffer,string_length,"filltoborder(%.*f,%.*f,[%s,%d],[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],bgcolor,(int) (fill_opacity/0.0039215),fill_color,(int) (fill_opacity/0.0039215));
2266
                           add_to_buffer(tmp_buffer);
2267
                           break;
2268
                    default:break;
2269
                    }
2270
                }
2271
        break;
2272
        case FLOODFILL:
2273
        /*
2274
        @ floodfill x,y,color
2275
        @ alternative syntax: fill x,y,color
2276
        @ fill the region of point (x:y) with color 'color'
2277
        @ any other color or size of picture (borders of picture) will act as border to the bucket fill
2278
        @ use this command  after all boundary objects are declared.
2279
        @ Use command 'clickfill,color' for user click driven flood fill.
2280
        @ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
2281
        @ NOTE: floodfill is a very (client) cpu intensive operation!<br />filling is done pixel by pixel<br/>e.g. image size of 400x400 uses 160000 pixels : each pixel contains 4 data (R,G,B,Opacity) = 640000 data.<br />on every data a few operations / comparisons are done...<br />So have pity on your students CPU..
2282
        */
2283
            for(i=0 ;i < 4 ; i++){
2284
                switch(i){
2285
                    case 0:double_data[0] = get_real(infile,0);break;
2286
                    case 1:double_data[1] = get_real(infile,0);break;
2287
                    case 2:fill_color = get_color(infile,1);
2288
                           if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
2289
                                js_function[DRAW_FLOODFILL] = 1;
2290
                                add_js_floodfill(js_include_file,canvas_root_id);
2291
                           }
2292
                           decimals = find_number_of_digits(precision);/*floodfill(interaction,x,y,[R,G,B,A]) */
2293
                           string_length = snprintf(NULL,0,  "floodfill(0,%.*f,%.*f,[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
2294
                           check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2295
                           snprintf(tmp_buffer,string_length,"floodfill(0,%.*f,%.*f,[%s,%d]);\n",decimals,double_data[0],decimals,double_data[1],fill_color,(int) (fill_opacity/0.0039215));
2296
                           add_to_buffer(tmp_buffer);
2297
                           break;
2298
                    default:break;
2299
                    }
2300
                }
2301
        break;
2302
        case CLICKFILLMARGE:
2303
            clickfillmarge = (int) (get_real(infile,1));
2304
            break;
2305
        /*
2306
        @ clickfillmarge int
2307
        @ default 20 (pixels)
2308
        @ when using command "clickfill fillcolor" a coloured area my be reverted ("undo") <br />back to background colour with a middle mouse click<br />when the click is in a 40x40 rectangle around a stored m mouseclick (userdraw_x[] and userdraw_y[])
2309
        */
2310
        case CLICKFILL:
2311
        /*
2312
        @ clickfill fillcolor
2313
        @ user left mouse click will floodfill the area with fillcolor
2314
        @ multiple areas may be coloured
2315
        @ the coloured areas can be removed (changed to "bgcolor") by  middle / right mouse click <br />(if the click is in an 40x40 pixel area of the click coordinate that "painted" the area)
2316
        @ the answer will be read as the (x:y) click coordinates per coloured area
2317
        @ background color of main div may be set by using command "bgcolor color"
2318
        @ may not be combined with command "userdraw"
2319
        @ NOTE: recognised colour boundaries are in the "drag canvas" e.g. only for objects that can be set draggable / clickable
2320
        */
2321
         fill_color = get_color(infile,1);
2322
         if(js_function[DRAW_FLOODFILL] != 1 ){/* use only once */
2323
            js_function[DRAW_FLOODFILL] = 1;
2324
            add_js_floodfill(js_include_file,canvas_root_id);
2325
         }
7653 schaersvoo 2326
         fprintf(js_include_file,"\n<!-- begin command clickfill -->\nvar marge_xy = %d;var userdraw_x = new Array();var userdraw_y = new Array();var user_clickfill_cnt = 0;\ncanvas_div.addEventListener(\"mousedown\",clickfill,false);function clickfill(evt){var x = evt.clientX - findPosX(canvas_div) + document.body.scrollLeft + document.documentElement.scrollLeft;var y = evt.clientY - findPosY(canvas_div) + document.body.scrollTop + document.documentElement.scrollTop;if(evt.which != 1){for(var p=0; p < user_clickfill_cnt;p++){if(userdraw_x[p] + marge_xy > x && userdraw_x[p] - marge_xy < x){if(userdraw_y[p] + marge_xy > y && userdraw_y[p] - marge_xy < y){if(confirm(\"Clear ?\")){floodfill(1,userdraw_x[p],userdraw_y[p],canvas_div.style.backgroundColor);userdraw_x.splice(p,2);userdraw_y.splice(p,2);user_clickfill_cnt--;return;};};};};};userdraw_x[user_clickfill_cnt] = x;userdraw_y[user_clickfill_cnt] = y;user_clickfill_cnt++;floodfill(1,x,y,[%s,%d]);};",clickfillmarge,fill_color,(int) (fill_opacity/0.0039215));
7614 schaersvoo 2327
         add_read_canvas(1);
2328
        break;
2329
        case SETPIXEL:
2330
        /*
2331
        @ setpixel x,y,color
2332
        @ A "point" with diameter 1 pixel centeres at (x:y) in xrange / yrange
2333
        @ pixels can not be dragged or clicked
2334
        @ "pixelsize = 1" may be changed by command "pixelsize int"
2335
        */
2336
            if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
2337
            for(i=0;i<3;i++){
2338
                switch(i){
2339
                    case 0: double_data[0] = get_real(infile,0); break; /* x */
2340
                    case 1: double_data[1] = get_real(infile,0); break; /* y  */
2341
                    case 2: stroke_color = get_color(infile,1);
2342
                           string_length = snprintf(NULL,0,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
2343
                           check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2344
                           snprintf(tmp_buffer,string_length,"draw_setpixel([%f],[%f],\"%s\",%.2f,%d);\n",double_data[0],double_data[1],stroke_color,stroke_opacity,pixelsize);
2345
                           add_to_buffer(tmp_buffer);
2346
                           break;
2347
                    default:break;
2348
                }
2349
            }
2350
            reset();
2351
        break;
2352
        case PIXELSIZE:
2353
        /*
2354
        @ pixelsize int
2355
        @ in case you want to deviate from default pixelsize = 1...
2356
        */
2357
            pixelsize = (int) get_real(infile,1);
2358
        break;
2359
        case PIXELS:
2360
        /*
2361
        @ pixels color,x1,y1,x2,y2,x3,y3...
2362
        @ Draw  "points" with diameter 1 pixel
2363
        @ pixels can not be dragged or clicked
2364
        @ "pixelsize = 1" may be changed by command "pixelsize int"
2365
        */
2366
            if( js_function[DRAW_PIXELS] != 1 ){ js_function[DRAW_PIXELS] = 1;}
2367
            stroke_color=get_color(infile,0);
2368
            i=0;
2369
            c=0;
2370
            while( ! done ){     /* get next item until EOL*/
2371
                if(i > MAX_INT - 1){canvas_error("to many points in argument: repeat command multiple times to fit");}
2372
                for( c = 0 ; c < 2; c++){
2373
                    if(c == 0 ){
2374
                        double_data[i] = get_real(infile,0);
2375
                        i++;
2376
                    }
2377
                    else
2378
                    {
2379
                        double_data[i] = get_real(infile,1);
2380
                        i++;
2381
                    }
2382
                }
2383
            }
2384
            decimals = find_number_of_digits(precision);
2385
            /*  *double_xy2js_array(double xy[],int len,int decimals) */
2386
            string_length = snprintf(NULL,0,  "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
2387
            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2388
            snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
2389
            add_to_buffer(tmp_buffer);
2390
            break;
2391
        case REPLYFORMAT:
2392
        /*
2393
        @ replyformat number
2394
        @ default values should be fine !
7782 schaersvoo 2395
        @ choose<ul><li>1 = x1,x2,x3,x4....x_n<br />y1,y2,y3,y4....y_n<br /><br />x/y in pixels</li><li>2 = x1,x2,x3,x4....x_n<br />  y1,y2,y3,y4....y_n<br /> x/y in xrange / yrange coordinate system<br /></li><li>3 = x1,x2,x3,x4....x_n<br />  y1,y2,y3,y4....y_n<br />  r1,r2,r3,r4....r_n<br />  x/y in pixels <br />  r in pixels</li><li>4 = x1,x2,x3,x4....x_n<br />  y1,y2,y3,y4....y_n<br />  r1,r2,r3,r4....r_n<br />  x/y in xrange / yrange coordinate system<br />  r in pixels</li><li>5 = Ax1,Ax2,Ax3,Ax4....Ax_n<br />  Ay1,Ay2,Ay3,Ay4....Ay_n<br />  Bx1,Bx2,Bx3,Bx4....Bx_n<br />  By1,By2,By3,By4....By_n<br />  Cx1,Cx2,Cx3,Cx4....Cx_n<br />  Cy1,Cy2,Cy3,Cy4....Cy_n<br />  ....<br />  Zx1,Zx2,Zx3,Zx4....Zx_n<br />  Zy1,Zy2,Zy3,Zy4....Zy_n<br />  x/y in pixels<br /></li><li>6 = Ax1,Ax2,Ax3,Ax4....Ax_n<br />  Ay1,Ay2,Ay3,Ay4....Ay_n<br />  Bx1,Bx2,Bx3,Bx4....Bx_n<br />  By1,By2,By3,By4....By_n<br />  Cx1,Cx2,Cx3,Cx4....Cx_n<br />  Cy1,Cy2,Cy3,Cy4....Cy_n<br />  ....<br />  Zx1,Zx2,Zx3,Zx4....Zx_n<br />  Zy1,Zy2,Zy3,Zy4....Zy_n<br />  x/y in xrange / yrange coordinate system<br /></li><li>7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br />  x/y in pixels</li><li>8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n<br />  x/y in xrange / yrange coordinate system</li><li>9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br />  x/y in pixels</li><li>10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n<br />  x/y in xrange / yrange coordinate system</li><li>11 = Ax1,Ay1,Ax2,Ay2<br />   Bx1,By1,Bx2,By2<br />   Cx1,Cy1,Cx2,Cy2<br />   Dx1,Dy1,Dx2,Dy2<br />   ......<br />   Zx1,Zy1,Zx2,Zy2<br />  x/y in xrange / yrange coordinate system</li><li>12 = Ax1,Ay1,Ax2,Ay2<br />   Bx1,By1,Bx2,By2<br />Cx1,Cy1,Cx2,Cy2<br />   Dx1,Dy1,Dx2,Dy2<br />   ......<br />   Zx1,Zy1,Zx2,Zy2<br />  x/y in pixels</li><li>13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2<br />  x/y in xrange / yrange coordinate system</li><li>14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2<br />  x/y in pixels</li><li>15 = reply from inputfields,textareas<br />  reply1,reply2,reply3,...,reply_n</li><li>16 = mathml input fields </li><li>17 = read "userdraw text,color" only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n</li><li>18 = read_canvas() will read all interactive clocks in H1:M1:S1,H2:M2:S2...Hn:Mn:Sn</li><li>19 = read_canvas() will return the object number of marked / clicked object (clock)<br />analogue to (shape library) onclick command </li><li>21 = (x1:y1) (x2:y2) ... (x_n:y_n)<br />verbatim coordinate return</li>22 = returns an array .... reply[0]=x1 reply[1]=y1 reply[2]=x2 reply[3]=y2 ... reply[n-1]=x_n reply[n]=y_n<br />  x/y in xrange / yrange coordinate system</li><li>replyformat 23 : can only be used for drawtype 'polyline'<br />a typical click sequence in drawtype polyline isx1,y1,x2,y2,x2,y2,x3,y3,x3,y3.....,x(n-1),y(n-1),x(n-1),y(n-1),xn,yn --replyformat 23--> x1,y1,x2,y2,x3,y3,.....x(n-1),y(n-1),xn,yn multiple occurences will be filtered out.The reply will be in x-y-range (xreply \\n yreply)</li></ul>
7614 schaersvoo 2396
        @ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
2397
        */
2398
         reply_format = (int) get_real(infile,1);
2399
        break;
2400
        case LEGENDCOLORS:
2401
        /*
2402
        @ legendcolors color1:color2:color3:...:color_n
2403
        @ will be used to colour a legend
2404
        @ make sure the number of colours match the number of legend items
2405
        @ command 'legend' in case of 'piechart' and 'barchart' will use these colours per default (no need to specify 'legendcolors'
2406
        */
2407
            temp = get_string(infile,1);
2408
            if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653 schaersvoo 2409
            fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
7614 schaersvoo 2410
            break;
2411
        case LEGEND:
2412
        /*
2413
        @ legend string1:string2:string3....string_n
2414
        @ will be used to create a legend for a graph
2415
        @ also see command 'piechart'  
2416
        */
2417
            temp = get_string(infile,1);
2418
            if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653 schaersvoo 2419
            fprintf(js_include_file,"var legend%d = [\"%s\"];",canvas_root_id,temp);
7614 schaersvoo 2420
            break;
2421
        case XLABEL:
2422
        /*
2423
        @ xlabel some_string
2424
        @ will be used to create a label for the x-axis (label is in quadrant I)
2425
        @ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
2426
        @ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
2427
        */
2428
            temp = get_string(infile,1);
7653 schaersvoo 2429
            fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
7614 schaersvoo 2430
            break;
2431
        case YLABEL:
2432
        /*
2433
        @ ylabel some_string
2434
        @ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
2435
        @ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
2436
        @ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
2437
        */
2438
            temp = get_string(infile,1);
7653 schaersvoo 2439
            fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
7614 schaersvoo 2440
            break;
2441
        case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
2442
        /*
2443
        @ linegraph x1:y1;x2:y2...x_n:y;2
2444
        @ will plot your data in a graph
2445
        @ may only to be used together with command 'grid'
2446
        @ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
2447
        @ use command 'legend' to provide an optional legend in right-top-corner
2448
        @ also see command 'piechart'
2449
        @ multiple linegraphs may be used in a single plot
2450
        @ <ul><li>use command 'strokecolor' before command 'linegraph' to set the color of this graph</li><li>use command 'linewidth' before command 'linegraph' to set linewidth of this graph</li><li>use command 'dashed' before command 'linegraph' to set dashing of the graph</li><li>if dashing is set, use command 'dashtype' before command 'linegraph' to set the type of dashing of the graph</li></ul>
2451
        */    
2452
            temp = get_string(infile,1);
2453
            if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
7653 schaersvoo 2454
            fprintf(js_include_file,"var linegraph_%d = [\"%s\",\"%d\",\"%d\",\"%d\",\"%d\",\"%s\"];",linegraph_cnt,stroke_color,line_width,use_dashed,dashtype[0],dashtype[1],temp);
7614 schaersvoo 2455
            linegraph_cnt++;
2456
            reset();
2457
            break;
2458
        case CLOCK:
2459
        /*
2460
        @ clock x,y,r(px),H,M,S,type hourglass,interactive [ ,H_color,M_color,S_color,background_color,foreground_color ]
2461
        @ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
2462
        @ colors are optional: if not defined, default values will be used<br />default colours: clock 0,0,60,4,35,45,1,2,[space]<br />default colours: clock 0,0,60,4,35,45,1,2,,,,,<br />custom colours: clock 0,0,60,4,35,45,1,2,,,,yellow,red<br />custom colours: clock 0,0,60,4,35,45,1,2,white,white,white,black,yellow
2463
        @ interactive <ul><li>0 : not interactive, just clock(s)</li><li>1 : function read_canvas() will read all active clocks in H:M:S format<br />The active clock(s) can be adjusted by pupils</li><li>2 : function read_canvas() will return the clicked clock <br />(like multiplechoice; first clock in script in nr. 0 )</li></ul>
2464
        @ canvasdraw will not check validity of colornames...the javascript console is your best friend
2465
        @ no combinations with other reply_types allowed, for now
7783 schaersvoo 2466
        @ if interactive, 6 buttons per clock will be displayed for adjusting a clock (H+ M+ S+ H- M- S-)<br /> set_clock(clock_id,type,incr) <br />first clock has clock_id=0 ; type : H=1,M=2,S=3 ; incr : increment integer
7614 schaersvoo 2467
        */
2468
            if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
2469
 
2470
        /*    var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
2471
            for(i=0;i<9;i++){
2472
             switch(i){
2473
              case 0: int_data[0] = x2px(get_real(infile,0)); break; /* xc */
2474
              case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
2475
              case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
2476
              case 3: int_data[3] = get_real(infile,0);break;/* hours */
2477
              case 4: int_data[4] = get_real(infile,0);break;/* minutes */
2478
              case 5: int_data[5] = get_real(infile,0);break;/* seconds */
7783 schaersvoo 2479
              case 6: int_data[6] = get_real(infile,0);if(int_data[6] < 0 || int_data[6] > 2){canvas_error("hourglass can be 0,1 or 2");}break;/* type hourglass */
7614 schaersvoo 2480
              case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
7783 schaersvoo 2481
                switch(int_data[7]){
2482
                    case 0:break;
2483
                    case 1:if(clock_cnt == 0){
2484
                                if( reply_format == 0 ){
7614 schaersvoo 2485
                                     reply_format = 18; /* user sets clock */
7783 schaersvoo 2486
                                    /* string_length = snprintf(NULL,0,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
7614 schaersvoo 2487
                                     check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2488
                                     snprintf(tmp_buffer,string_length,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
2489
                                     add_to_buffer(tmp_buffer);
7783 schaersvoo 2490
                                    */
2491
                                     fprintf(js_include_file,"set_clock = function(num,type,diff){var name = eval(\"clocks\"+num);switch(type){case 1:name.H = parseInt(name.H+diff);break;case 2:name.M = parseInt(name.M+diff);break;case 3:name.S = parseInt(name.S+diff);break;default: break;};name = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);};\n");
2492
                                }
2493
                                else
2494
                                {
2495
                                    canvas_error("interactive clock may not be used together with other reply_types...");
2496
                                }
2497
                                fprintf(stdout,"<br /><input type=\"button\" onclick=\"javascript:set_clock(%d,1,1)\" value=\"H+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,1,-1)\" value=\"H-\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,2,1)\" value=\"M+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,2,-1)\" value=\"M-\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,3,1)\" value=\"S+\" /><input type=\"button\" onclick=\"javascript:set_clock(%d,3,-1)\" value=\"S-\" /><br />",clock_cnt,clock_cnt,clock_cnt,clock_cnt,clock_cnt,clock_cnt);
2498
                             }
2499
                    break;
2500
                    case 2:if( reply_format == 0 ){
2501
                                reply_format = 19; /* "onclick */
2502
                                fprintf(js_include_file,"\n<!-- begin onclick handler for clocks -->\nvar reply = new Array();\n\ncanvas_div.addEventListener( 'mousedown', user_click,false);\n\nfunction user_click(evt){if(evt.which == 1){var canvas_rect = clock_canvas.getBoundingClientRect();\nvar x = evt.clientX - canvas_rect.left;\nvar y = evt.clientY - canvas_rect.top;\nvar p = 0;\nvar name;\nvar t = true;\nwhile(t){try{name = eval('clocks'+p);\nif( x < name.xc + name.radius && x > name.xc - name.radius ){if( y < name.yc + name.radius && y > name.yc - name.radius ){reply[0] = p;\nname = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,\"lightblue\",name.fg_color);\n};\n}else{clock_ctx.clearRect(name.xc-name.radius,name.yc-name.radius,name.xc+name.radius,name.yc+name.radius);\nname = clock(name.xc,name.yc,name.radius,name.H,name.M,name.S,name.type,name.interaction,name.H_color,name.M_color,name.S_color,name.bg_color,name.fg_color);\n};\np++;\n}catch(e){t=false;\n};\n};\n};\n};\n\n<!-- end onclick handler for clocks -->\n ");
2503
                            }
2504
                            else
2505
                            {
2506
                                if( reply_format != 19){
7614 schaersvoo 2507
                                   canvas_error("clickable clock(s) may not be used together with other reply_types...");
2508
                                 }
7783 schaersvoo 2509
                            }
2510
                     break;
2511
                     default: canvas_error("interactive must be set 0,1 or 2");break;
2512
                }
2513
                break;
7614 schaersvoo 2514
                case 8:
2515
                        temp = get_string(infile,1);
2516
                        if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
2517
                        if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
2518
                        string_length = snprintf(NULL,0,"clocks%d = new clock(%d,%d,%d,%d,%d,%d,%d,%d,\"%s\");\n",clock_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],temp);
2519
                        check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2520
                        snprintf(tmp_buffer,string_length,"clocks%d = new clock(%d,%d,%d,%d,%d,%d,%d,%d,\"%s\");\n",clock_cnt,int_data[0],int_data[1],int_data[2],int_data[3],int_data[4],int_data[5],int_data[6],int_data[7],temp);
2521
                        add_to_buffer(tmp_buffer);
2522
                        clock_cnt++;
2523
                        break;
2524
                default:break;
2525
             }
2526
            }
2527
            break;
2528
        case BARCHART:
2529
        /*
2530
        @ barchart x_1:y_1:color_1:x_2:y_2:color_2:...x_n:y_n:color_n
2531
        @ will be used to create a legend for bar graph
2532
        @ may only to be used together with command 'grid'
2533
        @ can be used together with freestyle x-axis/y-axis texts : see commands 'xaxis' and 'yaxis'
2534
        @ use command 'legend' to provide an optional legend in right-top-corner
2535
        @ also see command 'piechart'  
2536
        */
2537
            temp = get_string(infile,1);
2538
            if( strstr( temp,":" ) != 0 ){ temp = str_replace(temp,":","\",\""); }
7653 schaersvoo 2539
            fprintf(js_include_file,"var barchart%d = [\"%s\"];",canvas_root_id,temp);
7614 schaersvoo 2540
            reset();
2541
            break;
2542
        case PIECHART:
2543
        /*
2544
        @ piechart xc,yc,radius,'data+colorlist'
2545
        @ (xc : yc) center of circle diagram in xrange/yrange
2546
        @ radius in pixels
2547
        @ data+color list: a colon separated list of raw data and corresponding colours<br />canvasdraw will not check validity of colornames...<br />in case of trouble look into javascript debugging of your browser
2548
        @ example data+colorlist : 132:red:23565:green:323:black:234324:orange:23434:yellow:2543:white
2549
        @ the number of colors must match the number of data.
2550
        @ use command "opacity 0-255,0-255" to adjust fill_opacity of colours
2551
        @ use command "legend string1:string2:...:string_n" to automatically create a legend <br />using the same colours as pie segments<br />unicode allowed in legend<br />expect javascript trouble if the amount of 'pie-slices', 'pie-colours' 'pie-legend-titles' do not match<br />a javascript console is your best friend...
2552
        */
2553
            if( js_function[DRAW_PIECHART] != 1 ){ js_function[DRAW_PIECHART] = 1;}    
2554
            for(i=0;i<5;i++){
2555
                switch(i){
2556
                    case 0: int_data[0] = x2px(get_real(infile,0)); break; /* x */
2557
                    case 1: int_data[1] = y2px(get_real(infile,0)); break; /* y  */
2558
                    case 2: int_data[2] = (int)(get_real(infile,1));break;/* radius*/
2559
                    case 3: temp = get_string(infile,1);
2560
                            if( strstr( temp, ":" ) != 0 ){ temp = str_replace(temp,":","\",\"");}
2561
                            string_length = snprintf(NULL,0,"draw_piechart(%d,%d,%d,%d,[\"%s\"],%.2f,%d,\"%s\");\n",PIECHART,int_data[0],int_data[1],int_data[2],temp,fill_opacity,font_size,font_family);
2562
                            check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
2563
                            snprintf(tmp_buffer,string_length,"draw_piechart(%d,%d,%d,%d,[\"%s\"],%.2f,%d,\"%s\");\n",PIECHART,int_data[0],int_data[1],int_data[2],temp,fill_opacity,font_size,font_family);
2564
                            add_to_buffer(tmp_buffer);
2565
                           break;
2566
                    default:break;
2567
                }
2568
            }
2569
            reset();
2570
        break;
2571
        case STATUS:
2572
            fprintf(js_include_file,"\nstatus=\"waiting\";\n");
2573
            break;
7735 schaersvoo 2574
        case XLOGBASE:
7729 schaersvoo 2575
        /*
7735 schaersvoo 2576
        @ xlogbase number
2577
        @ sets the logbase number for the x-axis
7729 schaersvoo 2578
        @ default value 10
7735 schaersvoo 2579
        @ use together with commands xlogscale / xylogscale
7729 schaersvoo 2580
        */
7735 schaersvoo 2581
            fprintf(js_include_file,"xlogbase=%d;",(int)(get_real(infile,1)));
7729 schaersvoo 2582
            break;
7735 schaersvoo 2583
        case YLOGBASE:
2584
        /*
2585
        @ ylogbase number
2586
        @ sets the logbase number for the y-axis
2587
        @ default value 10
2588
        @ use together with commands ylogscale / xylogscale
2589
        */
2590
            fprintf(js_include_file,"ylogbase=%d;",(int)(get_real(infile,1)));
2591
            break;
7614 schaersvoo 2592
        case XLOGSCALE:
2593
        /*
7735 schaersvoo 2594
         @ xlogscale ymajor,yminor,majorcolor,minorcolor
2595
         @ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
2596
         @ ymajor is the major step on the y-axis; yminor is the divisor for the y-step
2597
         @ the linewidth is set using command 'linewidth int'
2598
         @ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
2599
         @ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number'
7779 schaersvoo 2600
         @ the x/y- axis numbering is triggered by keyword 'axisnumbering'<ul><li>use command 'precision' before 'xlogscale' command to set the precision (decimals) of the axis numbering</li><li>use commands 'xlabel some_text' and/or 'ylabel some_text' for text on axis : use command 'fontsize int' to set the fontsize (default 12px)</li><li>use command 'fontfamily fnt_family_string' to set the fonts for axis-numbering</li><li>use command'fontcolor' to set the colour</li></ul>
7735 schaersvoo 2601
         @ note: the complete canvas will be used for the 'log paper'
2602
         @ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
2603
         @ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
2604
         @ note: when using something like 'xrange 0.0001,0.01'...combined with commands 'mouse color,fontsize' and/or 'userdraw type,color'...<br /> make sure the precision is set accordingly (eg command 'precision 10000')  
2605
         @ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
2606
         @ attention: keyword 'snaptogrid' may not lead to the desired result...
7614 schaersvoo 2607
        */
7735 schaersvoo 2608
            if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
2609
            if( js_function[DRAW_XLOGSCALE] != 1 ){ js_function[DRAW_XLOGSCALE] = 1;}
2610
            for(i=0;i<4;i++){
2611
                switch(i){
2612
                    case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
2613
                    case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
2614
                    case 2: stroke_color = get_color(infile,0); break;
2615
                    case 3: fill_color = get_color(infile,1);
7779 schaersvoo 2616
                        string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735 schaersvoo 2617
                        tmp_buffer = my_newmem(string_length+1);
7779 schaersvoo 2618
                        snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735 schaersvoo 2619
                        fprintf(js_include_file,"use_xlogscale=1;snap_y = %f;snap_x = xlogbase;",double_data[0]/int_data[0]);
2620
                        add_to_buffer(tmp_buffer);
2621
                        break;
2622
                    default:break;
2623
                }
2624
            }
7614 schaersvoo 2625
            break;
2626
        case YLOGSCALE:
7729 schaersvoo 2627
        /*
2628
         @ ylogscale xmajor,xminor,majorcolor,minorcolor
2629
         @ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
2630
         @ xmajor is the major step on the x-axis; xminor is the divisor for the x-step
2631
         @ the linewidth is set using command 'linewidth int'
2632
         @ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
7735 schaersvoo 2633
         @ default logbase number = 10 ... when needed , set the logbase number with command 'ylogbase number'
7779 schaersvoo 2634
         @ the x/y- axis numbering is triggered by keyword 'axisnumbering'<ul><li>use command 'precision' before 'ylogscale' command to set the precision (decimals) of the axis numbering</li><li>use commands 'xlabel some_text' and/or 'ylabel some_text' for text on axis : use command 'fontsize int' to set the fontsize (default 12px)</li><li>use command 'fontfamily fnt_family_string' to set the fonts for axis-numbering</li><li>use command'fontcolor' to set the colour</li></ul>
7729 schaersvoo 2635
         @ note: the complete canvas will be used for the 'log paper'
2636
         @ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
2637
         @ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
2638
         @ note: when using something like 'yrange 0.0001,0.01'...combined with commands 'mouse color,fontsize' and/or 'userdraw type,color'...<br /> make sure the precision is set accordingly (eg command 'precision 10000')  
7735 schaersvoo 2639
         @ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
2640
         @ attention: keyword 'snaptogrid' may not lead to the desired result...
7729 schaersvoo 2641
        */
2642
            if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
2643
            if( js_function[DRAW_YLOGSCALE] != 1 ){ js_function[DRAW_YLOGSCALE] = 1;}
2644
            for(i=0;i<4;i++){
2645
                switch(i){
2646
                    case 0: double_data[0] = get_real(infile,0);break; /* xmajor */
2647
                    case 1: int_data[0] = (int) (get_real(infile,0));break; /* xminor */
2648
                    case 2: stroke_color = get_color(infile,0); break;
2649
                    case 3: fill_color = get_color(infile,1);
7779 schaersvoo 2650
                        string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7729 schaersvoo 2651
                        tmp_buffer = my_newmem(string_length+1);
7779 schaersvoo 2652
                        snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%f,%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,double_data[0],int_data[0],precision);
7735 schaersvoo 2653
                        fprintf(js_include_file,"use_ylogscale=1;snap_x = %f;snap_y = ylogbase;",double_data[0]/int_data[0]);
7729 schaersvoo 2654
                        add_to_buffer(tmp_buffer);
2655
                        break;
2656
                    default:break;
2657
                }
2658
            }
7614 schaersvoo 2659
            break;
2660
        case XYLOGSCALE:
7735 schaersvoo 2661
        /*
2662
         @ xylogscale majorcolor,minorcolor
2663
         @ the x/y-range are set using commands 'xrange xmin,xmax' and 'yrange ymin,ymax'
2664
         @ the linewidth is set using command 'linewidth int'
2665
         @ the opacity of major / minor grid lines is set by command 'opacity [0-255],[0-255]'
2666
         @ default logbase number = 10 ... when needed , set the logbase number with command 'xlogbase number' and/or 'ylogbase number'
7739 schaersvoo 2667
         @ the x/y- axis numbering is triggered by keyword 'axisnumbering'<ul><li>use commands 'xlabel some_text' and/or 'ylabel some_text' for text on axis : use command 'fontsize int' to set the fontsize (default 12px)</li><li>use command 'fontfamily fnt_family_string' to set the fonts for axis-numbering</li><li>use command'fontcolor' to set the colour</li></ul>
7735 schaersvoo 2668
         @ note: the complete canvas will be used for the 'log paper'
2669
         @ note: userdrawings are done in the log paper, e.g. javascript:read_canvas() will return the real values
2670
         @ note: command 'mouse color,fontsize' will show the real values in the logpaper.<br />\
2671
         @ note: when using something like 'yrange 0.0001,0.01'...combined with commands 'mouse color,fontsize' and/or 'userdraw type,color'...<br /> make sure the precision is set accordingly (eg command 'precision 10000')  
2672
         @ note: in case of userdraw , the use of keyword 'userinput_xy' may be handy !
2673
         @ attention: keyword 'snaptogrid' may not lead to the desired result...
2674
        */
2675
            if( js_function[DRAW_GRID] == 1 ){canvas_error("only one type of grid is allowed...");}
2676
            if( js_function[DRAW_XYLOGSCALE] != 1 ){ js_function[DRAW_XYLOGSCALE] = 1;}
2677
            for(i=0;i<2;i++){
2678
                switch(i){
2679
                    case 0: stroke_color = get_color(infile,0); break;
2680
                    case 1: fill_color = get_color(infile,1);
7779 schaersvoo 2681
                        string_length = snprintf(NULL,0,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,precision);
7735 schaersvoo 2682
                        tmp_buffer = my_newmem(string_length+1);
7779 schaersvoo 2683
                        snprintf(tmp_buffer,string_length,"draw_grid%d(%d,%d,\"%s\",\"%s\",%.2f,%.2f,%d,\"%s\",\"%s\",%d,%d); ",canvas_root_id,GRID_CANVAS,line_width,stroke_color,fill_color,stroke_opacity,fill_opacity,font_size,font_family,font_color,use_axis_numbering,precision);
7735 schaersvoo 2684
                        fprintf(js_include_file,"use_xlogscale=1;use_ylogscale=1;snap_x = xlogbase;snap_y = ylogbase;");
2685
                        add_to_buffer(tmp_buffer);
2686
                        break;
2687
                    default:break;
2688
                }
2689
            }
2690
        break;
7614 schaersvoo 2691
        default:sync_input(infile);
2692
        break;
2693
    }
2694
  }
2695
  /* we are done parsing script file */
2696
 
2697
  /* if needed, add generic draw functions (grid / xml etc) to buffer : these are no draggable shapes / objects  ! */
2698
  add_javascript_functions(js_function,canvas_root_id);
2699
   /* add read_canvas() etc functions if needed */
2700
  if( reply_format > 0 ){ add_read_canvas(reply_format);}
2701
  /* using mouse coordinate display ? */
2702
  if( use_mouse_coordinates == TRUE ){
2703
    tmp_buffer = my_newmem(26);
2704
    snprintf(tmp_buffer,25,"use_mouse_coordinates();\n");add_to_buffer(tmp_buffer);
2705
  }
2706
  /* add global variables / contants */
7729 schaersvoo 2707
  fprintf(js_include_file,"\n<!-- some extra global stuff : need to rethink panning and zooming !!! -->\n\
2708
  var precision = %d;var xmin=%f;var xmax=%f;var ymin=%f;\
2709
  var ymax=%f;var xmin_start=xmin;var xmax_start=xmax;\
2710
  var ymin_start=ymin;var ymax_start=xmax;\
2711
  var zoom_x_increment=0;var zoom_y_increment=0;\
2712
  var pan_x_increment=0;var pan_y_increment=0;\
2713
  if(use_ylogscale == 0 ){\
2714
   zoom_x_increment = (xmax - xmin)/20;zoom_y_increment = (xmax - xmin)/20;pan_x_increment = (xmax - xmin)/20;pan_y_increment = (ymax - ymin)/20;\
2715
  }else{\
2716
   zoom_x_increment = (xmax - xmin)/20;\
2717
   pan_x_increment = (xmax - xmin)/20;\
2718
  };\
7653 schaersvoo 2719
  function start_canvas%d(type){\
2720
   switch(type){\
7729 schaersvoo 2721
    case 0:xmin = xmin + zoom_x_increment;ymin = ymin + zoom_y_increment;xmax = xmax - zoom_x_increment;ymax = ymax - zoom_y_increment;break;\
2722
    case 1:xmin = xmin - zoom_x_increment;ymin = ymin - zoom_y_increment;xmax = xmax + zoom_x_increment;ymax = ymax + zoom_y_increment;break;\
7653 schaersvoo 2723
    case 2:xmin = xmin - pan_x_increment;ymin = ymin ;xmax = xmax - pan_x_increment;ymax = ymax;break;\
2724
    case 3:xmin = xmin + pan_x_increment;ymin = ymin ;xmax = xmax + pan_x_increment;ymax = ymax;break;\
2725
    case 4:xmin = xmin;ymin = ymin - pan_y_increment ;xmax = xmax;ymax = ymax - pan_y_increment;break;\
2726
    case 5:xmin = xmin;ymin = ymin + pan_y_increment ;xmax = xmax;ymax = ymax + pan_y_increment;break;\
2727
    case 6:location.reload();break;\
2728
    default:break;\
2729
   };\
2730
   if(xmax<=xmin){xmin=xmin_start;xmax=xmax_start;};\
2731
   if(ymax<=ymin){ymin=ymin_start;ymax=ymax_start;};\
2732
   try{dragstuff.Zoom(xmin,xmax,ymin,ymax);}catch(e){}\
2733
   %s\
2734
  };\
2735
  start_canvas%d(22);\
7614 schaersvoo 2736
 };\n\
2737
<!-- end wims_canvas_function -->\n\
7729 schaersvoo 2738
wims_canvas_function%d();\n",precision,xmin,xmax,ymin,ymax,canvas_root_id,buffer,canvas_root_id,canvas_root_id);
7614 schaersvoo 2739
/* done writing the javascript include file */
2740
fclose(js_include_file);
2741
 
2742
}
2743
 
2744
/* if using a tooltip, this should always be printed to the *.phtml file, so stdout */
2745
if(use_tooltip == TRUE){
2746
  add_js_tooltip(canvas_root_id,tooltip_text,bgcolor,xsize,ysize);
2747
}
2748
exit(EXIT_SUCCESS);
2749
}
2750
/* end main() */
2751
 
2752
/******************************************************************************
2753
**
2754
**  sync_input
2755
**
2756
**  synchronises input line - reads to end of line, leaving file pointer
2757
**  at first character of next line.
2758
**
2759
**  Used by:
2760
**  main program - error handling.
2761
**
2762
******************************************************************************/
2763
void sync_input(FILE *infile)
2764
{
2765
        int c = 0;
2766
 
7658 schaersvoo 2767
        if( c == '\n' || c == ';' ) return;
2768
        while( ( (c=getc(infile)) != EOF ) && (c != '\n') && (c != '\r') && (c != ';')) ;
7614 schaersvoo 2769
        if( c == EOF ) finished = 1;
7658 schaersvoo 2770
        if( c == '\n' || c == '\r' || c == ';') line_number++;
7614 schaersvoo 2771
        return;
2772
}
2773
 
2774
/******************************************************************************/
2775
 
2776
char *str_replace(const char *str, const char *old, const char *new){
2777
/* http://creativeandcritical.net/str-replace-c/ */
2778
    if(strlen(str) > MAX_BUFFER){canvas_error("string argument too big");}
2779
    char *ret, *r;
2780
    const char *p, *q;
2781
    size_t oldlen = strlen(old);
2782
    size_t count = 0;
2783
    size_t retlen = 0;
2784
    size_t newlen = strlen(new);
2785
    if (oldlen != newlen){
2786
        for (count = 0, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen){
2787
            count++;
2788
            retlen = p - str + strlen(p) + count * (newlen - oldlen);
2789
        }
2790
    }
2791
    else
2792
    {
2793
        retlen = strlen(str);
2794
    }
2795
 
2796
    if ((ret = malloc(retlen + 1)) == NULL){
2797
        ret = NULL;
2798
        canvas_error("string argument is NULL");
2799
    }
2800
    else
2801
    {
2802
        for (r = ret, p = str; (q = strstr(p, old)) != NULL; p = q + oldlen) {
2803
            size_t l = q - p;
2804
            memcpy(r, p, l);
2805
            r += l;
2806
            memcpy(r, new, newlen);
2807
            r += newlen;
2808
        }
2809
        strcpy(r, p);
2810
    }
2811
    return ret;
2812
}
2813
 
2814
/******************************************************************************/
2815
/*
2816
avoid the use of ctypes.h for tolower() toupper();
2817
it gives trouble in FreeBSD 9.0 / 9.1 when used in a chroot environment (C library bug) : Undefined symbol "_ThreadRuneLocale"
2818
Upper case -> Lower case : c = c - 'A'+ 'a';
2819
Lower case ->  Upper case  c = c + 'A'  - 'a';
2820
*/
2821
int tolower(int c){
2822
 if(c <= 'Z'){
2823
  if (c >= 'A'){
2824
   return c - 'A' + 'a';
2825
  }
2826
 }
2827
 return c;
2828
}
2829
 
2830
int toupper(int c){
2831
 if(c >= 'a' && c <= 'z'){
2832
   return c + 'A' - 'a';
2833
 }
2834
 return c;
2835
}
2836
 
2837
char *get_color(FILE *infile , int last){
2838
    int c,i = 0,is_hex = 0;
2839
    char temp[MAX_COLOR_STRING], *string;
7748 schaersvoo 2840
    while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',' ) && ( c != ';' ) ){
7614 schaersvoo 2841
        if( i > MAX_COLOR_STRING ){ canvas_error("colour string is too big ... ? ");}
2842
        if( c == '#' ){
2843
            is_hex = 1;
2844
        }
2845
        if( c != ' '){
2846
            temp[i]=tolower(c);
2847
            i++;
2848
        }
2849
    }
7658 schaersvoo 2850
    if( ( c == '\n' || c == EOF || c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
7748 schaersvoo 2851
    if( c == '\n' || c == ';' ){ done = TRUE; line_number++; }
7614 schaersvoo 2852
    if( c == EOF ){finished = 1;}
2853
    if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
2854
    temp[i]='\0';
2855
    if( strlen(temp) == 0 ){ canvas_error("expected a colorname or hexnumber, but found nothing !!");}
2856
    if( is_hex == 1 ){
2857
        char red[3], green[3], blue[3];
2858
        red[0]   = toupper(temp[1]); red[1]   = toupper(temp[2]); red[2]   = '\0';
2859
        green[0] = toupper(temp[3]); green[1] = toupper(temp[4]); green[2] = '\0';
2860
        blue[0]  = toupper(temp[5]); blue[1]  = toupper(temp[6]); blue[2]  = '\0';
2861
        int r = (int) strtol(red,   NULL, 16);
2862
        int g = (int) strtol(green, NULL, 16);
2863
        int b = (int) strtol(blue,  NULL, 16);
2864
        string = (char *)my_newmem(12);
2865
        snprintf(string,11,"%d,%d,%d",r,g,b);
2866
        return string;
2867
    }
2868
    else
2869
    {
2870
        string = (char *)my_newmem(sizeof(temp));
2871
        snprintf(string,sizeof(temp),"%s",temp);
2872
        for( i = 0; i <= NUMBER_OF_COLORNAMES ; i++ ){
2873
            if( strcmp( colors[i].name , string ) == 0 ){
2874
                return colors[i].rgb;
2875
            }
2876
        }
2877
    }
2878
    /* not found...return error */
2879
    free(string);string = NULL;
2880
    canvas_error("I was expecting a color name or hexnumber...but found nothing.");
2881
    return NULL;
2882
}
2883
 
2884
char *get_string(FILE *infile,int last){ /* last = 0 : more arguments ; last=1 final argument */
2885
    int c,i=0;
2886
    char  temp[MAX_BUFFER], *string;
7748 schaersvoo 2887
    while(( (c=getc(infile)) != EOF ) && ( c != '\n') ){
7614 schaersvoo 2888
        temp[i]=c;
2889
        i++;
2890
        if(i > MAX_BUFFER){ canvas_error("string size too big...repeat command to fit string");break;}
2891
    }
7748 schaersvoo 2892
    if( ( c == '\n' || c == EOF ) && last == 0){canvas_error("expecting more arguments in command");}
2893
    if( c == '\n') { done = TRUE; line_number++; }
7614 schaersvoo 2894
    if( c == EOF ) {
2895
        finished = 1;
2896
        if( last != 1 ){ canvas_error("expected more arguments");}
2897
    }
2898
    temp[i]='\0';
2899
    if( strlen(temp) == 0 ){ canvas_error("expected a word or string, but found nothing !!");}
2900
    string=(char *)my_newmem(strlen(temp));
2901
    snprintf(string,sizeof(temp),"%s",temp);
2902
    return string;
2903
}
2904
 
2905
char *get_string_argument(FILE *infile,int last){  /* last = 0 : more arguments ; last=1 final argument */
2906
    int c,i=0;
2907
    char temp[MAX_BUFFER], *string;
7748 schaersvoo 2908
    while(( (c=getc(infile)) != EOF ) && ( c != '\n') && ( c != ',')){
7614 schaersvoo 2909
        temp[i]=c;
2910
        i++;
2911
        if(i > MAX_BUFFER){ canvas_error("string size too big...will cut it off");break;}
2912
    }
7748 schaersvoo 2913
    if( ( c == '\n' || c == EOF) && last == 0){canvas_error("expecting more arguments in command");}
2914
    if( c == '\n') { line_number++; }
7614 schaersvoo 2915
    if( c == EOF ) {finished = 1;}
2916
    if( finished == 1 && last != 1 ){ canvas_error("expected more arguments");}
2917
    temp[i]='\0';
2918
    if( strlen(temp) == 0 ){ canvas_error("expected a word or string (without comma) , but found nothing !!");}
2919
    string=(char *)my_newmem(sizeof(temp));
2920
    snprintf(string,sizeof(temp),"%s",temp);
2921
    done = TRUE;
2922
    return string;
2923
}
2924
 
2925
double get_real(FILE *infile, int last){ /* accept anything that looks like an number ?  last = 0 : more arguments ; last=1 final argument */
2926
    int c,i=0,found_calc = 0;
2927
    double y;
2928
    char tmp[MAX_INT];
7658 schaersvoo 2929
    while(( (c=getc(infile)) != EOF ) && ( c != ',') && (c != '\n') && ( c != ';')){
7614 schaersvoo 2930
     if( c != ' ' ){
2931
     /*
2932
     libmatheval will segfault when for example: "xrange -10,+10" or "xrange -10,10+" is used
2933
     We will check after assert() if it's a NULL pointer...and exit program via :
2934
     canvas_error("I'm having trouble parsing your \"expression\" ");
2935
     */
2936
      if( i == 0 &&  c == '+' ){
2937
       continue;
2938
      }
2939
      else
2940
      {
2941
       if(canvas_iscalculation(c) != 0){
2942
        found_calc = 1;
2943
        c = tolower(c);
2944
       }
2945
       tmp[i] = c;
2946
       i++;
2947
      }
2948
     }
2949
     if( i > MAX_INT - 1){canvas_error("number too large");}
2950
    }
7658 schaersvoo 2951
    if( ( c == '\n' || c == EOF || c == ';' ) && last == 0){canvas_error("expecting more arguments in command");}
2952
    if( c == '\n' || c == ';' ){ done = TRUE; line_number++; }
7614 schaersvoo 2953
    if( c == EOF ){done = TRUE ; finished = 1;}
2954
    tmp[i]='\0';
2955
    if( strlen(tmp) == 0 ){canvas_error("expected a number , but found nothing !!");}
2956
    if( found_calc == 1 ){ /* use libmatheval to calculate 2*pi/3 */
2957
     void *f = evaluator_create(tmp);
2958
     assert(f);if( f == NULL ){canvas_error("I'm having trouble parsing your \"expression\" ") ;}
2959
     y = evaluator_evaluate_x(f, 1);
2960
     /* if function is bogus; y = 1 : so no core dumps */
2961
     evaluator_destroy(f);
2962
    }
2963
    else
2964
    {
2965
     y = atof(tmp);
2966
    }
2967
    return y;
2968
}
2969
void canvas_error(char *msg){
7748 schaersvoo 2970
    fprintf(stdout,"\n</script><hr /><span style=\"color:red\">FATAL syntax error:line %d : %s</span><hr />",line_number-1,msg);
7614 schaersvoo 2971
    finished = 1;
2972
    exit(EXIT_SUCCESS);
2973
}
2974
 
2975
 
2976
/* convert x/y coordinates to pixel */
2977
int x2px(double x){
2978
 return x*xsize/(xmax - xmin) -  xsize*xmin/(xmax - xmin);
2979
}
2980
 
2981
int y2px(double y){
2982
 return -1*y*ysize/(ymax - ymin) + ymax*ysize/(ymax - ymin);
2983
}
2984
 
2985
double px2x(int x){
2986
 return (x*(xmax - xmin)/xsize + xmin);
2987
}
2988
double px2y(int y){
2989
 return (y*(ymax - ymin)/ysize + ymin);
2990
}
2991
 
2992
void add_to_buffer(char *tmp){
2993
 if( tmp == NULL || tmp == 0 ){ canvas_error("nothing to add_to_buffer()...");}
2994
 /*  do we have enough space left in buffer[MAX_BUFFER] ? */
2995
 int space_left = (int) (sizeof(buffer) - strlen(buffer));
2996
 if( space_left > strlen(tmp)){
2997
  strncat(buffer,tmp,space_left - 1);/* add safely "tmp" to the string buffer */
2998
 }
2999
 else
3000
 {
3001
  canvas_error("buffer is too big\n");
3002
 }
3003
 tmp = NULL;free(tmp);
3004
 return;
3005
}
3006
 
3007
void reset(){
3008
 if(use_filled == TRUE){use_filled = FALSE;}
3009
 if(use_dashed == TRUE){use_dashed = FALSE;}
3010
 if(use_translate == TRUE){use_translate = FALSE;}
3011
 if(use_rotate == TRUE){use_rotate = FALSE;}
3012
 onclick = 0;
3013
}
3014
 
3015
 
3016
 
3017
/* What reply format in read_canvas();
3018
 
3019
note:if userdraw is combined with inputfields...every "userdraw" based answer will append "\n" and  inputfield.value()
3020
1 = x1,x2,x3,x4....x_n
3021
    y1,y2,y3,y4....y_n
3022
 
3023
    x/y in pixels
3024
 
3025
2 = x1,x2,x3,x4....x_n
3026
    y1,y2,y3,y4....y_n
3027
    x/y in  xrange / yrange coordinate system
3028
 
3029
3 = x1,x2,x3,x4....x_n
3030
    y1,y2,y3,y4....y_n
3031
    r1,r2,r3,r4....r_n
3032
 
3033
    x/y in pixels
3034
    r in pixels
3035
 
3036
4 = x1,x2,x3,x4....x_n
3037
    y1,y2,y3,y4....y_n
3038
    r1,r2,r3,r4....r_n
3039
 
3040
    x/y in  xrange / yrange coordinate system
3041
    r in pixels
3042
 
3043
5 = Ax1,Ax2,Ax3,Ax4....Ax_n
3044
    Ay1,Ay2,Ay3,Ay4....Ay_n
3045
    Bx1,Bx2,Bx3,Bx4....Bx_n
3046
    By1,By2,By3,By4....By_n
3047
    Cx1,Cx2,Cx3,Cx4....Cx_n
3048
    Cy1,Cy2,Cy3,Cy4....Cy_n
3049
    ....
3050
    Zx1,Zx2,Zx3,Zx4....Zx_n
3051
    Zy1,Zy2,Zy3,Zy4....Zy_n
3052
 
3053
    x/y in pixels
3054
 
3055
6 = Ax1,Ax2,Ax3,Ax4....Ax_n
3056
    Ay1,Ay2,Ay3,Ay4....Ay_n
3057
    Bx1,Bx2,Bx3,Bx4....Bx_n
3058
    By1,By2,By3,By4....By_n
3059
    Cx1,Cx2,Cx3,Cx4....Cx_n
3060
    Cy1,Cy2,Cy3,Cy4....Cy_n
3061
    ....
3062
    Zx1,Zx2,Zx3,Zx4....Zx_n
3063
    Zy1,Zy2,Zy3,Zy4....Zy_n
3064
 
3065
    x/y in  xrange / yrange coordinate system
3066
 
3067
7 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
3068
 
3069
    x/y in pixels
3070
 
3071
8 = x1:y1,x2:y2,x3:y3,x4:y4...x_n:y_n
3072
 
3073
    x/y in  xrange / yrange coordinate system
3074
 
3075
9 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n    
3076
 
3077
    x/y in pixels
3078
 
3079
10 = x1:y1:r1,x2:y2:r2,x3:y3:r3,x4:y4:r3...x_n:y_n:r_n    
3080
 
3081
    x/y in  xrange / yrange coordinate system
3082
 
3083
11 = Ax1,Ay1,Ax2,Ay2
3084
     Bx1,By1,Bx2,By2
3085
     Cx1,Cy1,Cx2,Cy2
3086
     Dx1,Dy1,Dx2,Dy2
3087
     ......
3088
     Zx1,Zy1,Zx2,Zy2
3089
 
3090
    x/y in  xrange / yrange coordinate system
3091
 
3092
12 = Ax1,Ay1,Ax2,Ay2
3093
     Bx1,By1,Bx2,By2
3094
     Cx1,Cy1,Cx2,Cy2
3095
     Dx1,Dy1,Dx2,Dy2
3096
     ......
3097
     Zx1,Zy1,Zx2,Zy2
3098
 
3099
    x/y in pixels
3100
 
3101
13 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2,Cx1:Cy1:Cx2:Cy2,Dx1:Dy1:Dx2:Dy2, ... ,Zx1:Zy1:Zx2:Zy2
3102
 
3103
    x/y in  xrange / yrange coordinate system
3104
14 = Ax1:Ay1:Ax2:Ay2,Bx1:By1:Bx2:By2....Zx1:Zy1:Zx2:Zy2
3105
    x/y in pixels
3106
15 = reply from inputfields,textareas
3107
    reply1,reply2,reply3,...,reply_n
3108
 
3109
16 = read mathml inputfields only
3110
 
3111
17 = read userdraw text only (x1:y1:text1,x2:y2:text2...x_n:y_n:text_n
3112
 when ready : calculate size_t of string via snprintf(NULL,0,"blah blah...");
3113
 
3114
18 = read clock(s) : H1:M1:S1,H2:M2:S2,...H_n:M_n:S_n
3115
19 = return clicked object number (analogue to shape-library onclick)
3116
20 = return x/y-data in x-range/y-range of all 'draggable' images
3117
21 = return verbatim coordinates (x1:y1) (x2:y2)...(x_n:y_n)
3118
22 = array : x1,y1,x2,y2,x3,y3,x4,y4...x_n,y_n
3119
    x/y in  xrange / yrange coordinate system
7782 schaersvoo 3120
23 = answertype for a polyline : remove multiple occurences  due to reclick on a point to create next polyline segment
7614 schaersvoo 3121
*/
3122
 
3123
 
3124
void add_read_canvas(int type_reply){
3125
/* just 1 reply type allowed */
3126
switch(type_reply){
3127
/*  TO DO
3128
!!!!  NEED TO SIMPLIFY !!!!  
3129
answers may have:
3130
x-values,y-values,r-values,input-fields,mathml-inputfields,text-typed answers
3131
*/
3132
    case 1: fprintf(js_include_file,"\
7653 schaersvoo 3133
\n<!-- begin function 1 read_canvas() -->\n\
7614 schaersvoo 3134
function read_canvas(){\
3135
 if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
3136
 if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
3137
  var p = 0;var input_reply = new Array();\
3138
  if( document.getElementById(\"canvas_input0\")){\
3139
   var t = 0;\
3140
   while(document.getElementById(\"canvas_input\"+t)){\
3141
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3142
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3143
     p++;\
3144
    };\
3145
    t++;\
3146
   };\
3147
  };\
3148
  if( typeof userdraw_text != 'undefined' ){\
3149
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply + \"\\n\"+userdraw_text;\
3150
  }\
3151
  else\
3152
  {\
3153
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+input_reply;\
3154
  }\
3155
 }\
3156
 else\
3157
 {\
3158
  if( typeof userdraw_text != 'undefined' ){\
3159
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_text;\
3160
  }\
3161
  else\
3162
  {\
3163
   return userdraw_x+\"\\n\"+userdraw_y;\
3164
  }\
3165
 };\
3166
};\
3167
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3168
<!-- end function 1 read_canvas() -->");
7614 schaersvoo 3169
    break;
3170
    case 2: fprintf(js_include_file,"\
7653 schaersvoo 3171
\n<!-- begin function 2 read_canvas() -->\n\
7614 schaersvoo 3172
function read_canvas(){\
3173
 if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
3174
 var reply_x = new Array();var reply_y = new Array();var p = 0;\
3175
 while(userdraw_x[p]){\
3176
  reply_x[p] = px2x(userdraw_x[p]);\
3177
  reply_y[p] = px2y(userdraw_y[p]);\
3178
  p++;\
3179
 };\
3180
 if(p == 0){alert(\"nothing drawn...\");return;};\
3181
 if( document.getElementById(\"canvas_input0\")){\
3182
  var p = 0;var input_reply = new Array();\
3183
  if( document.getElementById(\"canvas_input0\")){\
3184
   var t = 0;\
3185
   while(document.getElementById(\"canvas_input\"+t)){\
3186
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3187
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3188
     p++;\
3189
    };\
3190
    t++;\
3191
   };\
3192
  };\
3193
  if( typeof userdraw_text != 'undefined' ){\
3194
   return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3195
  }\
3196
  else\
3197
  {\
3198
   return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
3199
  }\
3200
 }\
3201
 else\
3202
 {\
3203
  if( typeof userdraw_text != 'undefined' ){\
3204
   return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
3205
  }\
3206
  else\
3207
  {\
3208
   return reply_x+\"\\n\"+reply_y;\
3209
  };\
3210
 };\
3211
};\
3212
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3213
<!-- end function 2 read_canvas() -->");
7614 schaersvoo 3214
    break;
3215
    case 3: fprintf(js_include_file,"\
7653 schaersvoo 3216
\n<!-- begin function 3 read_canvas() -->\n\
7614 schaersvoo 3217
function read_canvas(){\
3218
 if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
3219
 if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
3220
  var p = 0;var input_reply = new Array();\
3221
  if( document.getElementById(\"canvas_input0\")){\
3222
   var t = 0;\
3223
   while(document.getElementById(\"canvas_input\"+t)){\
3224
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3225
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3226
     p++;\
3227
    };\
3228
    t++;\
3229
   };\
3230
  };\
3231
  if( typeof userdraw_text != 'undefined' ){\
3232
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3233
  }\
3234
  else\
3235
  {\
3236
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
3237
  }\
3238
 }\
3239
 else\
3240
 {\
3241
  if( typeof userdraw_text != 'undefined' ){\
3242
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius+\"\\n\"+userdrawW_text;\
3243
  }\
3244
  else\
3245
  {\
3246
   return userdraw_x+\"\\n\"+userdraw_y+\"\\n\"+userdraw_radius;\
3247
  }\
3248
 }\
3249
};\
3250
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3251
<!-- end function 3 read_canvas() -->");
7614 schaersvoo 3252
    break;
3253
    case 4: fprintf(js_include_file,"\
7653 schaersvoo 3254
\n<!-- begin function 4 read_canvas() -->\n\
7614 schaersvoo 3255
function read_canvas(){\
3256
 var reply_x = new Array();var reply_y = new Array();var p = 0;\
3257
 while(userdraw_x[p]){\
3258
  reply_x[p] = px2x(userdraw_x[p]);\
3259
  reply_y[p] = px2y(userdraw_y[p]);\
3260
  p++;\
3261
 };\
3262
 if(p == 0){alert(\"nothing drawn...\");return;};\
3263
 if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
3264
  var p = 0;var input_reply = new Array();\
3265
  if( document.getElementById(\"canvas_input0\")){\
3266
   var t = 0;\
3267
   while(document.getElementById(\"canvas_input\"+t)){\
3268
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3269
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3270
     p++;\
3271
    };\
3272
    t++;\
3273
   };\
3274
  };\
3275
  if( typeof userdraw_text != 'undefined' ){\
3276
   return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3277
  }\
3278
  else\
3279
  {\
3280
   return reply_x+\"\\n\"+reply_y +\"\\n\"+userdraw_radius+\"\\n\"+input_reply;\
3281
  }\
3282
 }\
3283
 else\
3284
 {\
3285
  if( typeof userdraw_text != 'undefined' ){\
3286
   return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius+\"\\n\"+userdraw_text;\
3287
  }\
3288
  else\
3289
  {\
3290
   return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_radius;\
3291
  }\
3292
 };\
3293
};\
3294
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3295
<!-- end function 4 read_canvas() -->");
7614 schaersvoo 3296
    break;
3297
    /*
3298
        attention: we reset userdraw_x / userdraw_y  : because  userdraw_x = [][] userdraw_y = [][]
3299
        used for userdraw multiple paths
3300
    */
3301
    case 5: fprintf(js_include_file,"\
7653 schaersvoo 3302
\n<!-- begin function 5 read_canvas() -->\n\
7614 schaersvoo 3303
function read_canvas(){\
3304
 var p = 0;\
3305
 var reply = \"\";\
3306
 for(p = 0; p < userdraw_x.length;p++){\
3307
  if(userdraw_x[p] != null ){\
3308
   reply = reply + userdraw_x[p]+\"\\n\"+userdraw_y[p]+\"\\n\";\
3309
  };\
3310
 };\
3311
 if(p == 0){alert(\"nothing drawn...\");return;};\
3312
 userdraw_x = [];userdraw_y = [];\
3313
 if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
3314
  var p = 0;var input_reply = new Array();\
3315
  if( document.getElementById(\"canvas_input0\")){\
3316
   var t = 0;\
3317
   while(document.getElementById(\"canvas_input\"+t)){\
3318
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3319
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3320
     p++;\
3321
    };\
3322
    t++;\
3323
   };\
3324
  };\
3325
  if( typeof userdraw_text != 'undefined' ){\
3326
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3327
  }\
3328
  else\
3329
  {\
3330
   return reply +\"\\n\"+input_reply;\
3331
  }\
3332
 }\
3333
 else\
3334
 {\
3335
  if( typeof userdraw_text != 'undefined' ){\
3336
   return reply+\"\\n\"+userdraw_text;\
3337
  }\
3338
  else\
3339
  {\
3340
   return reply;\
3341
  }\
3342
 };\
3343
};\
7654 schaersvoo 3344
this.read_canvas = rdad_canvas;\n\
7653 schaersvoo 3345
<!-- end function 5 read_canvas() -->");
7614 schaersvoo 3346
    break;
3347
    /*
3348
        attention: we reset userdraw_x / userdraw_y  : because  userdraw_x = [][] userdraw_y = [][]
3349
        used for userdraw multiple paths
3350
    */
3351
    case 6: fprintf(js_include_file,"\
7653 schaersvoo 3352
\n<!-- begin function 6 read_canvas() -->\n\
7614 schaersvoo 3353
function read_canvas(){\
3354
 var p = 0;\
3355
 var reply = \"\";\
3356
 var tmp_x = new Array();\
3357
 var tmp_y = new Array();\
3358
 for(p = 0 ; p < userdraw_x.length; p++){\
3359
  tmp_x = userdraw_x[p];\
3360
  tmp_y = userdraw_y[p];\
3361
  if(tmp_x != null){\
3362
   for(var i = 0 ; i < tmp_x.length ; i++){\
3363
    tmp_x[i] = px2x(tmp_x[i]);\
3364
    tmp_y[i] = px2y(tmp_y[i]);\
3365
   };\
3366
   reply = reply + tmp_x + \"\\n\" + tmp_y +\"\\n\";\
3367
  };\
3368
 };\
3369
 if(p == 0){alert(\"nothing drawn...\");return;};\
3370
 userdraw_x = [];userdraw_y = [];\
3371
 if( document.getElementById(\"canvas_input0\") ){\
3372
  var p = 0;var input_reply = new Array();\
3373
  if( document.getElementById(\"canvas_input0\")){\
3374
   var t = 0;\
3375
   while(document.getElementById(\"canvas_input\"+t)){\
3376
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3377
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3378
     p++;\
3379
    };\
3380
    t++;\
3381
   };\
3382
  };\
3383
  if( typeof userdraw_text != 'undefined' ){\
3384
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3385
  }\
3386
  else\
3387
  {\
3388
   return reply +\"\\n\"+input_reply;\
3389
  }\
3390
 }\
3391
 else\
3392
 {\
3393
  if( typeof userdraw_text != 'undefined' ){\
3394
   return reply +\"\\n\"+userdraw_text;\
3395
  }\
3396
  else\
3397
  {\
3398
   return reply;\
3399
  }\
3400
 };\
3401
};\
3402
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3403
<!-- end function 6 read_canvas() -->");
7614 schaersvoo 3404
    break;
3405
    case 7: fprintf(js_include_file,"\
7653 schaersvoo 3406
\n<!-- begin function 7 read_canvas() -->\n\
7614 schaersvoo 3407
function read_canvas(){\
3408
 var reply = new Array();\
3409
 var p = 0;\
3410
 while(userdraw_x[p]){\
3411
  reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
3412
  p++;\
3413
 };\
3414
 if(p == 0){alert(\"nothing drawn...\");return;};\
3415
 if( document.getElementById(\"canvas_input0\") ){\
3416
  var p = 0;var input_reply = new Array();\
3417
  if( document.getElementById(\"canvas_input0\")){\
3418
   var t = 0;\
3419
   while(document.getElementById(\"canvas_input\"+t)){\
3420
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3421
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3422
     p++;\
3423
    };\
3424
    t++;\
3425
   };\
3426
  };\
3427
  if( typeof userdraw_text != 'undefined' ){\
3428
   return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3429
  }\
3430
  else\
3431
  {\
3432
   return reply+\"\\n\"+input_reply;\
3433
  }\
3434
 };\
3435
 else\
3436
 {\
3437
  if( typeof userdraw_text != 'undefined' ){\
3438
   return reply+\"\\n\"+userdraw_text;\
3439
  }\
3440
  else\
3441
  {\
3442
   return reply;\
3443
  }\
3444
 };\
3445
};\
3446
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3447
<!-- end function 7 read_canvas() -->");
7614 schaersvoo 3448
    break;
3449
    case 8: fprintf(js_include_file,"\
7653 schaersvoo 3450
\n<!-- begin function 8 read_canvas() -->\n\
7614 schaersvoo 3451
function read_canvas(){\
3452
 var reply = new Array();\
3453
 var p = 0;\
3454
 while(userdraw_x[p]){\
3455
  reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
3456
  p++;\
3457
 };\
3458
 if(p == 0){alert(\"nothing drawn...\");return;};\
3459
 if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
3460
  var p = 0;var input_reply = new Array();\
3461
  if( document.getElementById(\"canvas_input0\")){\
3462
   var t = 0;\
3463
   while(document.getElementById(\"canvas_input\"+t)){\
3464
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3465
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3466
     p++;\
3467
    };\
3468
    t++;\
3469
   };\
3470
  };\
3471
  if( typeof userdraw_text != 'undefined' ){\
3472
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3473
  }\
3474
  else\
3475
  {\
3476
   return reply +\"\\n\"+input_reply;\
3477
  }\
3478
 }\
3479
 else\
3480
 {\
3481
  if( typeof userdraw_text != 'undefined' ){\
3482
   return reply +\"\\n\"+userdraw_text;\
3483
  }\
3484
  else\
3485
  {\
3486
   return reply;\
3487
  }\
3488
 };\
3489
};\
3490
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3491
<!-- end function 8 read_canvas() -->");
7614 schaersvoo 3492
    break;
3493
    case 9: fprintf(js_include_file,"\
7653 schaersvoo 3494
\n<!-- begin function 9 read_canvas() -->\n\
7614 schaersvoo 3495
function read_canvas(){\
3496
 var reply = new Array();\
3497
 var p = 0;\
3498
 while(userdraw_x[p]){\
3499
  reply[p] = userdraw_x[p] +\":\" + userdraw_y[p] + \":\" + userdraw_radius[p];\
3500
  p++;\
3501
 };\
3502
 if(p == 0){alert(\"nothing drawn...\");return;};\
3503
 if( document.getElementById(\"canvas_input0\") ){\
3504
  var p = 0;var input_reply = new Array();\
3505
  if( document.getElementById(\"canvas_input0\")){\
3506
   var t = 0;\
3507
   while(document.getElementById(\"canvas_input\"+t)){\
3508
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3509
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3510
     p++;\
3511
    };\
3512
    t++;\
3513
   };\
3514
  };\
3515
  if( typeof userdraw_text != 'undefined' ){\
3516
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3517
  }\
3518
  else\
3519
  {\
3520
   return reply +\"\\n\"+input_reply;\
3521
  }\
3522
 }\
3523
 else\
3524
 {\
3525
  if( typeof userdraw_text != 'undefined' ){\
3526
   return reply +\"\\n\"+userdraw_text;\
3527
  }\
3528
  else\
3529
  {\
3530
   return reply;\
3531
  }\
3532
 };\
3533
};\
3534
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3535
<!-- end function 9 read_canvas() -->");
7614 schaersvoo 3536
    break;
3537
    case 10: fprintf(js_include_file,"\
7653 schaersvoo 3538
\n<!-- begin function 10 read_canvas() -->\n\
7614 schaersvoo 3539
function read_canvas(){\
3540
 var reply = new Array();\
3541
 var p = 0;\
3542
 while(userdraw_x[p]){\
3543
  reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
3544
  p++;\
3545
 };\
3546
 if(p == 0){alert(\"nothing drawn...\");return;};\
3547
 if( document.getElementById(\"canvas_input0\") ){\
3548
  var p = 0;var input_reply = new Array();\
3549
  if( document.getElementById(\"canvas_input0\")){\
3550
   var t = 0;\
3551
   while(document.getElementById(\"canvas_input\"+t)){\
3552
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3553
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3554
     p++;\
3555
    };\
3556
    t++;\
3557
   };\
3558
  };\
3559
  if( typeof userdraw_text != 'undefined' ){\
3560
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3561
  }\
3562
  else\
3563
  {\
3564
   return reply +\"\\n\"+input_reply;\
3565
  }\
3566
 }\
3567
 else\
3568
 {\
3569
  if( typeof userdraw_text != 'undefined' ){\
3570
   return reply +\"\\n\"+userdraw_text;\
3571
  }\
3572
  else\
3573
  {\
3574
   return reply;\
3575
  }\
3576
 };\
3577
};\
3578
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3579
<!-- end function 10 read_canvas() -->");
7614 schaersvoo 3580
    break;
3581
    case 11: fprintf(js_include_file,"\
7653 schaersvoo 3582
\n<!-- begin function 11 read_canvas() -->\n\
7614 schaersvoo 3583
function read_canvas(){\
3584
 var reply = \"\";\
3585
 var p = 0;\
3586
 while(userdraw_x[p]){\
3587
  reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
3588
  p = p+2;\
3589
 };\
3590
 if(p == 0){alert(\"nothing drawn...\");return;};\
3591
 if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
3592
  var p = 0;var input_reply = new Array();\
3593
  if( document.getElementById(\"canvas_input0\")){\
3594
   var t = 0;\
3595
   while(document.getElementById(\"canvas_input\"+t)){\
3596
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3597
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3598
     p++;\
3599
    };\
3600
    t++;\
3601
   };\
3602
  };\
3603
  if( typeof userdraw_text != 'undefined' ){\
3604
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3605
  }\
3606
  else\
3607
  {\
3608
   return reply +\"\\n\"+input_reply;\
3609
  }\
3610
 }\
3611
 else\
3612
 {\
3613
  if( typeof userdraw_text != 'undefined' ){\
3614
   return reply +\"\\n\"+userdraw_text;\
3615
  }\
3616
  else\
3617
  {\
3618
   return reply;\
3619
  }\
3620
 };\
3621
};\
3622
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3623
<!-- end function 11 read_canvas() -->");
7614 schaersvoo 3624
    break;
3625
    case 12: fprintf(js_include_file,"\
7653 schaersvoo 3626
\n<!-- begin function 12 read_canvas() -->\n\
7614 schaersvoo 3627
function read_canvas(){\
3628
 var reply = \"\";\
3629
 var p = 0;\
3630
 for(p = 0; p< userdraw_x.lenght;p = p+2){\
3631
  if(userdraw_x[p] != null){\
3632
    reply = reply + userdraw_x[p] +\",\" + userdraw_y[p] +\",\" + userdraw_x[p+1] +\",\" + userdraw_y[p+1] +\"\\n\" ;\
3633
  };\
3634
 };\
3635
 if(p == 0){alert(\"nothing drawn...\");return;};\
3636
 if( document.getElementById(\"canvas_input0\") ){\
3637
  var p = 0;var input_reply = new Array();\
3638
  if( document.getElementById(\"canvas_input0\")){\
3639
   var t = 0;\
3640
   while(document.getElementById(\"canvas_input\"+t)){\
3641
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3642
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3643
     p++;\
3644
    };\
3645
    t++;\
3646
   };\
3647
  };\
3648
  if( typeof userdraw_text != 'undefined' ){\
3649
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3650
  }\
3651
  else\
3652
  {\
3653
   return reply +\"\\n\"+input_reply;\
3654
  }\
3655
 }\
3656
 else\
3657
 {\
3658
  if( typeof userdraw_text != 'undefined' ){\
3659
   return reply +\"\\n\"+userdraw_text\
3660
  }\
3661
  else\
3662
  {\
3663
   return reply;\
3664
  }\
3665
 };\
3666
};\
3667
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3668
<!-- end function 12 read_canvas() -->");
7614 schaersvoo 3669
    break;
3670
    case 13: fprintf(js_include_file,"\
7653 schaersvoo 3671
\n<!-- begin function 13 read_canvas() -->\n\
7614 schaersvoo 3672
function read_canvas(){\
3673
 var reply = new Array();\
3674
 var p = 0;var i = 0;\
3675
 while(userdraw_x[p]){\
3676
  reply[i] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + px2x(userdraw_x[p+1]) +\":\" + px2y(userdraw_y[p+1]);\
3677
  p = p+2;i++;\
3678
 };\
3679
 if(p == 0){alert(\"nothing drawn...\");return;};\
3680
 if( document.getElementById(\"canvas_input0\") ){\
3681
  var p = 0;var input_reply = new Array();\
3682
  if( document.getElementById(\"canvas_input0\")){\
3683
   var t = 0;\
3684
   while(document.getElementById(\"canvas_input\"+t)){\
3685
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3686
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3687
     p++;\
3688
    };\
3689
    t++;\
3690
   };\
3691
  };\
3692
  if( typeof userdraw_text != 'undefined' ){\
3693
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3694
  }\
3695
  else\
3696
  {\
3697
   return reply +\"\\n\"+input_reply;\
3698
  }\
3699
 }\
3700
 else\
3701
 {\
3702
  if( typeof userdraw_text != 'undefined' ){\
3703
   return reply +\"\\n\"+userdraw_text\
3704
  }\
3705
  else\
3706
  {\
3707
   return reply;\
3708
  }\
3709
 };\
3710
};\
3711
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3712
<!-- end function 13 read_canvas() -->");
7614 schaersvoo 3713
    break;
3714
    case 14: fprintf(js_include_file,"\
7653 schaersvoo 3715
\n<!-- begin function 14 read_canvas() -->\n\
7614 schaersvoo 3716
function read_canvas(){\
3717
 var reply = new Array();\
3718
 var p = 0;var i = 0;\
3719
 while(userdraw_x[p]){\
3720
  reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
3721
  p = p+2;i++;\
3722
 };\
3723
 if(p == 0){alert(\"nothing drawn...\");return;};\
3724
 if( document.getElementById(\"canvas_input0\") ){\
3725
  var p = 0;var input_reply = new Array();\
3726
  if( document.getElementById(\"canvas_input0\")){\
3727
   var t = 0;\
3728
   while(document.getElementById(\"canvas_input\"+t)){\
3729
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3730
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3731
     p++;\
3732
    };\
3733
    t++;\
3734
   };\
3735
  };\
3736
  if( typeof userdraw_text != 'undefined' ){\
3737
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3738
  }\
3739
  else\
3740
  {\
3741
   return reply +\"\\n\"+input_reply;\
3742
  }\
3743
 }\
3744
 else\
3745
 {\
3746
  if( typeof userdraw_text != 'undefined' ){\
3747
   return reply +\"\\n\"+userdraw_text;\
3748
  }\
3749
  else\
3750
  {\
3751
   return reply;\
3752
  }\
3753
 };\
3754
};\
3755
 this.read_canvas = read_canvas;\n\
7653 schaersvoo 3756
<!-- end function 14 read_canvas() -->");
7614 schaersvoo 3757
    break;
3758
    case 15: fprintf(js_include_file,"\
7653 schaersvoo 3759
\n<!-- begin function 15  read_canvas() -->\n\
7614 schaersvoo 3760
function read_canvas(){\
3761
 var input_reply = new Array();\
3762
 var p = 0;\
3763
 if( document.getElementById(\"canvas_input0\")){\
3764
  var t = 0;\
3765
  while(document.getElementById(\"canvas_input\"+t)){\
3766
   if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3767
    input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3768
    p++;\
3769
   };\
3770
   t++;\
3771
  };\
3772
 };\
3773
 if( typeof userdraw_text != 'undefined' ){\
3774
   return input_reply +\"\\n\"+userdraw_text;\
3775
 }\
3776
 else\
3777
 {\
3778
  return input_reply;\
3779
 };\
3780
};\
3781
 this.read_canvas = read_canvas;\n\
7653 schaersvoo 3782
<!-- end function 15 read_canvas() -->");
7614 schaersvoo 3783
    break;
3784
    case 16: fprintf(js_include_file,"\
7653 schaersvoo 3785
\n<!-- begin function 16 read_mathml() -->\n\
7614 schaersvoo 3786
function read_mathml(){\
3787
 var reply = new Array();\
3788
 var p = 0;\
3789
 if( document.getElementById(\"mathml0\")){\
3790
  while(document.getElementById(\"mathml\"+p)){\
3791
   reply[p] = document.getElementById(\"mathml\"+p).value;\
3792
   p++;\
3793
  };\
3794
 };\
3795
return reply;\
3796
};\
3797
this.read_mathml = read_mathml;\n\
7653 schaersvoo 3798
<!-- end function 16 read_mathml() -->");
7614 schaersvoo 3799
    break;
3800
    case 17:  fprintf(js_include_file,"\
7653 schaersvoo 3801
\n<!-- begin function 17 read_canvas() -->\n\
7614 schaersvoo 3802
function read_canvas(){\
3803
 if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
3804
 return userdraw_text;\
3805
};\
3806
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3807
<!-- end function 17 read_canvas() -->");
7614 schaersvoo 3808
    break;
3809
    case 18: fprintf(js_include_file,"\
7653 schaersvoo 3810
\n<!-- begin function 18 read_canvas() -->\n\
7614 schaersvoo 3811
function read_canvas(){\
3812
 var p = 0;\
3813
 var reply = new Array();\
3814
 var name;\
3815
 var t = true;\
3816
 while(t){\
3817
  try{ name = eval('clocks'+p);\
3818
  reply[p] = parseInt((name.H+name.M/60+name.S/3600)%%12)+\":\"+parseInt((name.M + name.S/60)%%60)+\":\"+(name.S)%%60;p++}catch(e){t=false;};\
3819
 };\
3820
 if( p == 0){alert(\"clock(s) not modified...\");return;}\
3821
 return reply;\
3822
};\
3823
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3824
<!-- end function 18 read_canvas() -->");
7614 schaersvoo 3825
    break;
3826
    case 19: fprintf(js_include_file,"\
7653 schaersvoo 3827
\n<!-- begin function 19 read_canvas() -->\n\
7614 schaersvoo 3828
function read_canvas(){\
3829
 return reply[0];\
3830
};\
3831
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3832
<!-- end function 19 read_canvas() -->");
7614 schaersvoo 3833
    case 20: fprintf(js_include_file,"\
7653 schaersvoo 3834
\n<!-- begin function 20 read_canvas() -->\n\
7614 schaersvoo 3835
function read_canvas(){\
3836
 var len  = ext_drag_images.length;\
3837
 var reply = new Array(len);\
3838
 for(var p = 0 ; p < len ; p++){\
3839
    var img = ext_drag_images[p];\
3840
    reply[p] = px2x(img[6])+\":\"+px2y(img[7]);\
3841
 };\
3842
 return reply;\
3843
};\
3844
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3845
<!-- end function 20 read_canvas() -->");
7614 schaersvoo 3846
    break;
3847
    case 21: fprintf(js_include_file,"\
7653 schaersvoo 3848
\n<!-- begin function 21 read_canvas() -->\n\
7614 schaersvoo 3849
function read_canvas(){\
3850
 if( userdraw_x.length == 0){alert(\"nothing drawn...\");return;}\
3851
 var reply_coord = new Array();var p = 0;\
3852
 while(userdraw_x[p]){\
3853
  reply_coord[p] = \"(\"+px2x(userdraw_x[p])+\":\"+px2y(userdraw_y[p])+\")\";\
3854
  p++;\
3855
 };\
3856
 if(p == 0){alert(\"nothing drawn...\");return;};\
3857
 if( document.getElementById(\"canvas_input0\") ){\
3858
  var p = 0;var input_reply = new Array();\
3859
  if( document.getElementById(\"canvas_input0\")){\
3860
   var t = 0;\
3861
   while(document.getElementById(\"canvas_input\"+t)){\
3862
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3863
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3864
     p++;\
3865
    };\
3866
    t++;\
3867
   };\
3868
  };\
3869
  if( typeof userdraw_text != 'undefined' ){\
3870
   return reply_coord+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3871
  }\
3872
  else\
3873
  {\
3874
   return reply_coord+\"\\n\"+input_reply;\
3875
  }\
3876
 }\
3877
 else\
3878
 {\
3879
  if( typeof userdraw_text != 'undefined' ){\
3880
   return reply_coord+\"\\n\"+userdraw_text;\
3881
  }\
3882
  else\
3883
  {\
3884
   return reply_coord;\
3885
  };\
3886
 };\
3887
};\
3888
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3889
<!-- end function 21 read_canvas() -->");
7614 schaersvoo 3890
    break;
3891
    case 22: fprintf(js_include_file,"\
7653 schaersvoo 3892
\n<!-- begin function 22 read_canvas() -->\n\
7614 schaersvoo 3893
function read_canvas(){\
3894
 var reply = new Array();\
3895
 var p = 0;\
3896
 var idx = 0;\
3897
 while(userdraw_x[p]){\
3898
  reply[idx] = px2x(userdraw_x[p]);\
3899
  idx++;\
3900
  reply[idx] = px2y(userdraw_y[p]);\
3901
  idx++;p++;\
3902
 };\
3903
 if(p == 0){alert(\"nothing drawn...\");return;};\
3904
 if( document.getElementById(\"canvas_input0\") ){\
3905
  var p = 0;var input_reply = new Array();\
3906
  if( document.getElementById(\"canvas_input0\")){\
3907
   var t = 0;\
3908
   while(document.getElementById(\"canvas_input\"+t)){\
3909
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3910
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3911
     p++;\
3912
    };\
3913
    t++;\
3914
   };\
3915
  };\
3916
  if( typeof userdraw_text != 'undefined' ){\
3917
   return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3918
  }\
3919
  else\
3920
  {\
3921
   return reply +\"\\n\"+input_reply;\
3922
  }\
3923
 }\
3924
 else\
3925
 {\
3926
  if( typeof userdraw_text != 'undefined' ){\
3927
   return reply +\"\\n\"+userdraw_text;\
3928
  }\
3929
  else\
3930
  {\
3931
   return reply;\
3932
  }\
3933
 };\
3934
};\
3935
this.read_canvas = read_canvas;\n\
7653 schaersvoo 3936
<!-- end function 22 read_canvas() -->");
7614 schaersvoo 3937
    break;
7782 schaersvoo 3938
    case 23: fprintf(js_include_file,"\
3939
\n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
3940
function read_canvas(){\
3941
 if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
3942
 var reply_x = new Array();var reply_y = new Array();var p = 0;\
3943
 var lu = userdraw_x.length;\
3944
 if( lu != userdraw_y.length ){ alert(\"x / y mismatch !\");return;}\
3945
 var marge = 5;\
3946
 reply_x[p] = px2x(userdraw_x[0]);reply_y[p] = px2y(userdraw_y[0]);p++;\
3947
 for(var i = 0; i < lu - 1 ; i++ ){\
3948
  if( (userdraw_x[i] < (userdraw_x[i+1] + marge)) && (userdraw_x[i] > (userdraw_x[i+1] - marge)) ){\
3949
   if( (userdraw_y[i] < (userdraw_y[i+1] + marge)) && (userdraw_y[i] > (userdraw_y[i+1] - marge)) ){\
3950
    reply_x[p] = px2x(userdraw_x[i]);reply_y[p] = px2y(userdraw_y[i]);\
3951
    if( isNaN(reply_x[p]) || isNaN(reply_y[p]) ){ alert(\"hmmmm ?\");return; };\
3952
    p++;\
3953
   };\
3954
  };\
3955
 };\
3956
 if( document.getElementById(\"canvas_input0\")){\
3957
  var p = 0;var input_reply = new Array();\
3958
  if( document.getElementById(\"canvas_input0\")){\
3959
   var t = 0;\
3960
   while(document.getElementById(\"canvas_input\"+t)){\
3961
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
3962
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
3963
     p++;\
3964
    };\
3965
    t++;\
3966
   };\
3967
  };\
3968
  if( typeof userdraw_text != 'undefined' ){\
3969
   return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
3970
  }\
3971
  else\
3972
  {\
3973
   return reply_x+\"\\n\"+reply_y+\"\\n\"+input_reply;\
3974
  }\
3975
 }\
3976
 else\
3977
 {\
3978
  if( typeof userdraw_text != 'undefined' ){\
3979
   return reply_x+\"\\n\"+reply_y+\"\\n\"+userdraw_text;\
3980
  }\
3981
  else\
3982
  {\
3983
   return reply_x+\"\\n\"+reply_y;\
3984
  };\
3985
 };\
3986
};\
3987
this.read_canvas = read_canvas;\n\
3988
<!-- end function 23 read_canvas() -->");
3989
    break;
7614 schaersvoo 3990
 
3991
    default: canvas_error("hmmm unknown replyformat...");break;
3992
}
3993
 return;
3994
}
3995
 
3996
 
3997
/*
3998
 add drawfunction :
3999
 - functions used by userdraw_primitives (circle,rect,path,triangle...)
4000
 - things not covered by the drag&drop library (static objects like parallel, lattice ,gridfill , imagefill)
4001
 - grid / mathml
4002
 - will not scale or zoom in
4003
 - will not be filled via pixel operations like fill / floodfill / filltoborder / clickfill
4004
 - is printed directly into 'js_include_file'
4005
*/
4006
 
4007
void add_javascript_functions(int js_functions[],int canvas_root_id){
4008
int i;
4009
for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
4010
 if( js_functions[i] == 1){
4011
    switch(i){
4012
    case DRAG_EXTERNAL_IMAGE:
4013
fprintf(js_include_file,"\n<!-- drag external images --->\n\
7653 schaersvoo 4014
var external_canvas = create_canvas%d(7,xsize,ysize);\
4015
var external_ctx = external_canvas.getContext(\"2d\");\
4016
var external_canvas_rect = external_canvas.getBoundingClientRect();\
4017
canvas_div.addEventListener(\"mousedown\",setxy,false);\
4018
canvas_div.addEventListener(\"mouseup\",dragstop,false);\
4019
canvas_div.addEventListener(\"mousemove\",dragxy,false);\
4020
var selected_image = null;\
4021
var ext_image_cnt = 0;\
4022
var ext_drag_images = new Array();\
4023
function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,idx,draggable){\
4024
 ext_image_cnt = idx;\
4025
 var image = new Image();\
4026
 image.src = URL;\
4027
 image.onload = function(){\
4028
  if( x0 < 1 ){ x0 = 0; };if( y0 < 1 ){ y0 = 0; };if( sx < 1 ){ sx = 0; };if( sy < 1 ){ sy = 0; };\
4029
  if( width < 1 ){ width = image.width; };if( height < 1 ){ height = image.height; };\
4030
  if( swidth < 1 ){ swidth = image.width; };if( sheight < 1 ){ sheight = image.height; };\
4031
  img = new Array(10);\
4032
  img[0] = draggable;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
4033
  img[6] = x0;img[7] = y0;img[8] = width;img[9] = height;\
4034
  ext_drag_images[idx] = img;\
4035
  external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
4036
 };\
4037
};\
4038
function dragstop(evt){\
4039
 selected_image = null;return;\
4040
};\
4041
function dragxy(evt){\
4042
 if( selected_image != null ){\
4043
  var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
4044
  var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
4045
  var s_img = ext_drag_images[selected_image];\
4046
  s_img[6] = evt.clientX - external_canvas_rect.left + xoff;\
4047
  s_img[7] = evt.clientY - external_canvas_rect.top + yoff;\
4048
  ext_drag_images[selected_image] = s_img;\
4049
  external_ctx.clearRect(0,0,xsize,ysize);\
4050
  for(var i = 0; i <= ext_image_cnt ; i++){\
4051
   var img = ext_drag_images[i];\
4052
   external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
4053
  };\
4054
 };\
4055
};\
4056
function setxy(evt){\
4057
 if( ! selected_image && evt.which == 1 ){\
4058
  var xoff = (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);\
4059
  var yoff = (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);\
4060
  var xm = evt.clientX - external_canvas_rect.left + xoff;\
4061
  var ym = evt.clientY - external_canvas_rect.top + yoff;\
4062
  for(var p = 0 ; p <= ext_image_cnt ; p++){\
4063
   var img = ext_drag_images[p];\
4064
   if( img[0] == 1 ){\
4065
    var w = img.width;\
4066
    var h = img.height;\
4067
    if( xm > img[6] && xm < img[6] + img[4]){\
4068
     if( ym > img[7] && ym < img[7] + img[5]){\
4069
      img[6] = xm;\
4070
      img[7] = ym;\
4071
      ext_drag_images[p] = img;\
4072
      selected_image = p;\
4073
      dragxy(evt);\
4074
     };\
4075
    };\
4076
   };\
4077
  };\
4078
 }\
4079
 else\
4080
 {\
4081
  selected_image = null;\
4082
 };\
7614 schaersvoo 4083
};",canvas_root_id);
4084
    break;
4085
 
4086
    case DRAW_EXTERNAL_IMAGE:
4087
fprintf(js_include_file,"\n<!-- draw external images -->\n\
4088
draw_external_image = function(URL,sx,sy,swidth,sheight,x0,y0,width,height,draggable){\
4089
 var image = new Image();\
4090
 image.src = URL;\
4091
 var canvas_bg_div = document.getElementById(\"canvas_div%d\");\
4092
 image.onload = function(){\
4093
  if( x0 < 1 ){ x0 = 0; };\
4094
  if( y0 < 1 ){ y0 = 0; };\
4095
  if( sx < 1 ){ sx = 0; };\
4096
  if( sy < 1 ){ sy = 0; };\
4097
  if( width < 1 ){ width = image.width;};\
4098
  if( height < 1 ){ height = image.height;};\
4099
  if( swidth < 1 ){ swidth = image.width;};\
4100
  if( sheight < 1 ){ sheight = image.height;};\
4101
  var ml = x0 - sx;\
4102
  var mh = y0 - sy;\
4103
  canvas_bg_div.style.backgroundPosition= \"left \"+ml+\"px top \"+mh+\"px\";\
4104
  canvas_bg_div.style.backgroundSize = width+\"px \"+height+\"px\";\
4105
  canvas_bg_div.style.backgroundRepeat = \"no-repeat\";\
4106
  canvas_bg_div.style.backgroundPosition= sx+\"px \"+sy+\"px\";\
4107
  canvas_bg_div.style.backgroundImage = \"url(\" + URL + \")\";\
4108
 };\
7653 schaersvoo 4109
};",canvas_root_id);    
7614 schaersvoo 4110
    break;
4111
 
4112
    case DRAW_ZOOM_BUTTONS: /* 6 rectangles 15x15 px  forbidden zone for drawing : y < ysize - 15*/
4113
fprintf(js_include_file,"\n<!-- draw zoom buttons -->\n\
4114
draw_zoom_buttons = function(canvas_type,color,opacity){\
4115
 var obj;\
4116
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4117
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4118
 }\
4119
 else\
4120
 {\
4121
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4122
 };\
4123
 var ctx = obj.getContext(\"2d\");\
4124
 ctx.font =\"18px Ariel\";\
4125
 ctx.textAlign = \"right\";\
4126
 ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
4127
 ctx.fillText(\"+\",xsize,ysize);\
4128
 ctx.fillText(\"\\u2212\",xsize - 15,ysize);\
4129
 ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
4130
 ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
4131
 ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
4132
 ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
4133
 ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
4134
 ctx.stroke();\
7653 schaersvoo 4135
};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 4136
 
4137
    break;
4138
    case DRAW_GRIDFILL:/* not used for userdraw */
4139
fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
4140
draw_gridfill = function(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize){\
4141
 var obj;\
4142
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4143
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4144
 }\
4145
 else\
4146
 {\
4147
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4148
 };\
4149
 var ctx = obj.getContext(\"2d\");\
4150
 var x,y;\
4151
 ctx.save();\
4152
 ctx.strokeStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
7645 schaersvoo 4153
 snap_x = dx;snap_y = dy;\
7614 schaersvoo 4154
 for( x = x0 ; x < xsize+dx ; x = x + dx ){\
4155
    ctx.moveTo(x,y0);\
4156
    ctx.lineTo(x,ysize);\
4157
 };\
7645 schaersvoo 4158
 for( y = y0 ; y < ysize+dy; y = y + dy ){\
7614 schaersvoo 4159
    ctx.moveTo(x0,y);\
4160
    ctx.lineTo(xsize,y);\
4161
 };\
4162
 ctx.stroke();\
4163
 ctx.restore();\
7653 schaersvoo 4164
 return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 4165
    break;
4166
 
4167
    case DRAW_IMAGEFILL:/* not  used for userdraw */
4168
fprintf(js_include_file,"\n<!-- draw imagefill -->\n\
4169
draw_imagefill = function(canvas_type,x0,y0,URL,xsize,ysize){\
4170
 var obj;\
4171
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4172
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4173
 }\
4174
 else\
4175
 {\
4176
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4177
 };\
4178
 var ctx = obj.getContext(\"2d\");\
4179
 ctx.save();\
4180
 var img = new Image();\
4181
 img.src = URL;\
4182
 img.onload = function(){\
4183
  if( (img.width > xsize-x0) && (img.height > ysize-y0) ){\
4184
    ctx.drawImage(img,x0,y0,xsize,ysize);\
4185
  }\
4186
  else\
4187
  {\
4188
    var repeat = \"repeat\";\
4189
    if(img.width > xsize - x0){\
4190
        repeat = \"repeat-y\";\
4191
    }\
4192
    else\
4193
    {\
4194
     if( img.height > ysize -x0 ){\
4195
      repeat = \"repeat-x\";\
4196
     }\
4197
    }\
4198
    var pattern = ctx.createPattern(img,repeat);\
4199
    ctx.rect(x0,y0,xsize,ysize);\
4200
    ctx.fillStyle = pattern;\
4201
  }\
4202
  ctx.fill();\
4203
 };\
4204
 ctx.restore();\
4205
 return;\
7653 schaersvoo 4206
};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 4207
    break;
4208
 
4209
    case DRAW_DOTFILL:/* not  used for userdraw */
4210
fprintf(js_include_file,"\n<!-- draw dotfill -->\n\
4211
draw_dotfill = function(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize){\
4212
 var obj;\
4213
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4214
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4215
 }\
4216
 else\
4217
 {\
4218
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4219
 };\
4220
 var ctx = obj.getContext(\"2d\");\
4221
 var x,y;\
4222
 ctx.closePath();\
4223
 ctx.save();\
7645 schaersvoo 4224
 snap_x = dx;snap_y = dy;\
7614 schaersvoo 4225
 ctx.fillStyle=\"rgba(\"+color+\",\"+opacity+\")\";\
4226
 for( x = x0 ; x < xsize+dx ; x = x + dx ){\
4227
  for( y = y0 ; y < ysize+dy ; y = y + dy ){\
4228
   ctx.arc(x,y,radius,0,2*Math.PI,false);\
4229
   ctx.closePath();\
4230
  }\
4231
 }\
4232
 ctx.fill();\
4233
 ctx.restore();\
7653 schaersvoo 4234
 return;};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 4235
    break;
7645 schaersvoo 4236
 
7647 schaersvoo 4237
    case DRAW_DIAMONDFILL:/* not used for userdraw */
7614 schaersvoo 4238
fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
7647 schaersvoo 4239
draw_diamondfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
7614 schaersvoo 4240
  var obj;\
4241
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4242
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4243
 }\
4244
 else\
4245
 {\
4246
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4247
 };\
4248
 var ctx = obj.getContext(\"2d\");\
4249
 var x;\
4250
 var y;\
4251
 ctx.save();\
4252
 ctx.lineWidth = linewidth;\
4253
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4254
 y = ysize;\
4255
 for( x = x0 ; x < xsize ; x = x + dx ){\
4256
  ctx.moveTo(x,y0);\
4257
  ctx.lineTo(xsize,y);\
4258
  y = y - dy;\
4259
 };\
4260
 y = y0;\
4261
 for( x = xsize ; x > 0 ; x = x - dx){\
4262
  ctx.moveTo(x,ysize);\
4263
  ctx.lineTo(x0,y);\
4264
  y = y + dy;\
4265
 };\
4266
 x = x0;\
4267
 for( y = y0 ; y < ysize ; y = y + dy ){\
4268
  ctx.moveTo(xsize,y);\
4269
  ctx.lineTo(x,ysize);\
4270
  x = x + dx;\
4271
 };\
4272
 x = xsize;\
4273
 for( y = ysize ; y > y0 ; y = y - dy ){\
4274
  ctx.moveTo(x,y0);\
4275
  ctx.lineTo(x0,y);\
4276
  x = x - dx;\
4277
 };\
4278
 ctx.stroke();\
4279
 ctx.restore();\
4280
 return;\
7653 schaersvoo 4281
 }",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 4282
    break;
7647 schaersvoo 4283
 
4284
    case DRAW_HATCHFILL:/* not used for userdraw */
4285
fprintf(js_include_file,"\n<!-- draw hatch fill -->\n\
4286
draw_hatchfill = function(canvas_type,x0,y0,dx,dy,linewidth,stroke_color,stroke_opacity,xsize,ysize){\
4287
  var obj;\
4288
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4289
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4290
 }\
4291
 else\
4292
 {\
4293
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4294
 };\
4295
 var ctx = obj.getContext(\"2d\");\
4296
 var x;\
4297
 var y;\
4298
 ctx.save();\
4299
 ctx.lineWidth = linewidth;\
4300
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4301
 y = ysize;\
4302
 for( x = x0 ; x < xsize ; x = x + dx ){\
4303
  ctx.moveTo(x,y0);\
4304
  ctx.lineTo(xsize,y);\
4305
  y = y - dy;\
4306
 };\
4307
 y = y0;\
4308
 for( x = xsize ; x >= dx ; x = x - dx){\
4309
  ctx.moveTo(x,ysize);\
4310
  ctx.lineTo(x0,y);\
4311
  y = y + dy;\
4312
 };\
4313
 ctx.stroke();\
4314
 ctx.restore();\
4315
 return;\
7653 schaersvoo 4316
 };",canvas_root_id,canvas_root_id,canvas_root_id);
7647 schaersvoo 4317
    break;
7614 schaersvoo 4318
    case DRAW_CIRCLES:/*  used for userdraw */
4319
fprintf(js_include_file,"\n<!-- draw circles -->\n\
4320
draw_circles = function(ctx,x_points,y_points,radius,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
4321
 ctx.save();\
4322
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4323
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4324
 ctx.lineWidth = line_width;\
4325
 for(var p = 0 ; p < x_points.length ; p++ ){\
4326
  ctx.beginPath();\
4327
  ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
4328
  ctx.closePath();\
4329
  if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4330
  if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
4331
  ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4332
  ctx.stroke();\
4333
 }\
4334
 ctx.restore();\
4335
 return;\
7653 schaersvoo 4336
};");
7614 schaersvoo 4337
    break;
7663 schaersvoo 4338
    case DRAW_POLYLINE:/* user for userdraw : draw lines through points */
4339
fprintf(js_include_file,"\n<!-- draw polyline -->\n\
4340
draw_polyline = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
4341
 ctx.save();\
4342
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4343
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4344
 ctx.lineWidth = line_width;\
4345
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4346
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4347
 ctx.clearRect(0,0,xsize,ysize);\
4348
 ctx.beginPath();\
4349
 for(var p = 0 ; p < x_points.length-1 ; p++ ){\
4350
  ctx.moveTo(x_points[p],y_points[p]);\
4351
  ctx.lineTo(x_points[p+1],y_points[p+1]);\
4352
 }\
4353
 ctx.closePath();\
4354
 ctx.stroke();\
4355
 ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4356
 for(var p = 0 ; p < x_points.length ; p++ ){\
4357
  ctx.beginPath();\
4358
  ctx.arc(x_points[p],y_points[p],line_width,0,2*Math.PI,false);\
4359
  ctx.closePath();ctx.fill();ctx.stroke();\
4360
 };\
4361
 ctx.restore();\
4362
 return;\
4363
};");
4364
    break;
7614 schaersvoo 4365
 
4366
    case DRAW_SEGMENTS:/*  used for userdraw */
4367
fprintf(js_include_file,"\n<!-- draw segments -->\n\
4368
draw_segments = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
4369
 ctx.save();\
4370
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4371
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4372
 ctx.lineWidth = line_width;\
4373
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4374
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4375
 for(var p = 0 ; p < x_points.length ; p = p+2 ){\
4376
  ctx.beginPath();\
4377
  ctx.moveTo(x_points[p],y_points[p]);\
4378
  ctx.lineTo(x_points[p+1],y_points[p+1]);\
4379
  ctx.closePath();\
4380
  ctx.stroke();\
4381
  }\
4382
  ctx.restore();\
4383
  return;\
4384
 };");
4385
    break;
4386
 
4387
    case DRAW_LINES:/*  used for userdraw */
4388
fprintf(js_include_file,"\n<!-- draw lines -->\n\
4389
function calc_line(x1,x2,y1,y2){\
4390
 var marge = 2;\
4391
 if(x1 < x2+marge && x1>x2-marge){\
4392
  return [x1,0,x1,ysize];\
4393
 };\
4394
 if(y1 < y2+marge && y1>y2-marge){\
4395
  return [0,y1,xsize,y1];\
4396
 };\
4397
 var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
4398
 var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
4399
 return [0,Y1,xsize,Y2];\
4400
};\
4401
draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
4402
 ctx.save();\
4403
 var line = new Array(4);\
4404
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4405
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4406
 ctx.lineWidth = line_width;\
4407
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4408
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4409
 for(var p = 0 ; p < x_points.length ; p = p+2 ){\
4410
  line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
4411
  ctx.beginPath();\
4412
  ctx.moveTo(line[0],line[1]);\
4413
  ctx.lineTo(line[2],line[3]);\
4414
  ctx.closePath();\
4415
  ctx.stroke();\
4416
  }\
4417
  ctx.restore();\
4418
  return;\
4419
 };");
4420
    break;
4421
 
4422
    case DRAW_CROSSHAIRS:/*  used for userdraw */
4423
fprintf(js_include_file,"\n<!-- draw crosshairs  -->\n\
4424
draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
4425
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4426
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4427
 ctx.lineWidth = line_width;\
4428
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4429
 var x1,x2,y1,y2;\
4430
 for(var p = 0 ; p < x_points.length ; p++ ){\
4431
  x1 = x_points[p] - crosshair_size;\
4432
  x2 = x_points[p] + crosshair_size;\
4433
  y1 = y_points[p] - crosshair_size;\
4434
  y2 = y_points[p] + crosshair_size;\
4435
  ctx.beginPath();\
4436
  ctx.moveTo(x1,y1);\
4437
  ctx.lineTo(x2,y2);\
4438
  ctx.closePath();\
4439
  ctx.stroke();\
4440
  ctx.beginPath();\
4441
  ctx.moveTo(x2,y1);\
4442
  ctx.lineTo(x1,y2);\
4443
  ctx.closePath();\
4444
  ctx.stroke();\
4445
 }\
4446
 ctx.restore();\
4447
  return;\
7653 schaersvoo 4448
};");
7614 schaersvoo 4449
    break;
4450
 
4451
    case DRAW_RECTS:/*  used for userdraw */
4452
fprintf(js_include_file,"\n<!-- draw rects -->\n\
4453
draw_rects = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle,use_translate,vector){\
4454
 ctx.save();\
4455
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4456
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4457
 ctx.lineWidth = line_width;\
4458
 ctx.strokeStyle = \"rgba('+stroke_color+','+stroke_opacity+')\";\
4459
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];}};\
4460
 for(var p = 0 ; p < x_points.length ; p = p + 2){\
4461
  ctx.beginPath();\
4462
  ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
4463
  ctx.closePath();\
4464
  if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
4465
  ctx.stroke();\
4466
 };\
4467
 ctx.restore();\
4468
 return;\
7653 schaersvoo 4469
};");
7614 schaersvoo 4470
    break;
4471
 
4472
    case DRAW_ROUNDRECTS:/*  used for userdraw */
4473
fprintf(js_include_file,"\n<!-- draw round rects -->\n\
4474
draw_roundrects = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
4475
 ctx.save();\
4476
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4477
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4478
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4479
 var x,y,w,h,r;\
4480
 for(var p = 0; p < x_points.length; p = p+2){\
4481
  x = x_points[p];y = y_points[p];w = x_points[p+1] - x;h = y_points[p+1] - y;r = parseInt(0.1*w);\
4482
  ctx.beginPath();ctx.moveTo(x + r, y);\
4483
  ctx.lineTo(x + w - r, y);\
4484
  ctx.quadraticCurveTo(x + w, y, x + w, y + r);\
4485
  ctx.lineTo(x + w, y + h - r);\
4486
  ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);\
4487
  ctx.lineTo(x + r, y + h);\
4488
  ctx.quadraticCurveTo(x, y + h, x, y + h - r);\
4489
  ctx.lineTo(x, y + r);\
4490
  ctx.quadraticCurveTo(x, y, x + r, y);\
4491
  ctx.closePath();if( use_dashed == 1 ){ctx.setLineDash([dashtype0,dashtype1]);};\
4492
  ctx.strokeStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4493
  if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();};\
4494
  ctx.stroke();\
4495
 }\
4496
 ctx.restore();\
7653 schaersvoo 4497
};");
7614 schaersvoo 4498
    break;
4499
 
4500
    case DRAW_ELLIPSES:/* not  used for userdraw */
4501
fprintf(js_include_file,"\n<!-- draw ellipses -->\n\
4502
draw_ellipses = function(canvas_type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
4503
 var obj;\
4504
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4505
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4506
 }\
4507
 else\
4508
 {\
4509
  obj = create_canvas%d(canvas_type,xsize,ysize);\
4510
 };\
4511
 var ctx = obj.getContext(\"2d\");\
4512
 ctx.save();\
4513
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4514
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4515
 var cx,cy,ry,rx;\
4516
 ctx.lineWidth = line_width;\
4517
 if( use_filled == 1 ){ctx.fillStyle =\"rgba(\"+fill_color+\",\"+fill_opacity+\")\";};\
4518
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4519
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4520
 for(var p=0;p< x_points.length;p = p+2){\
4521
  ctx.beginPath();\
4522
  cx = x_points[p];cy = y_points[p];rx = 0.25*x_points[p+1];ry = 0.25*y_points[p+1];\
4523
  ctx.translate(cx - rx, cy - ry);\
4524
  ctx.scale(rx, ry);\
4525
  ctx.arc(1, 1, 1, 0, 2 * Math.PI, false);\
4526
  if( use_filled == 1 ){ctx.fill();}\
4527
  ctx.stroke();\
4528
 };\
4529
 ctx.restore();\
7653 schaersvoo 4530
};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 4531
    break;
4532
 
4533
    case DRAW_PATHS: /*  used for userdraw */
4534
fprintf(js_include_file,"\n<!-- draw paths -->\n\
4535
draw_paths = function(ctx,x_points,y_points,line_width,closed_path,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
4536
 ctx.save();\
4537
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4538
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4539
 ctx.lineWidth = line_width;\
4540
 ctx.lineJoin = \"round\";\
4541
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4542
 ctx.beginPath();\
4543
 ctx.moveTo(x_points[0],y_points[0]);\
4544
 for(var p = 1 ; p < x_points.length ; p++ ){ctx.lineTo(x_points[p],y_points[p]);}\
4545
 if(closed_path == 1){ctx.lineTo(x_points[0],y_points[0]);ctx.closePath();}\
4546
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4547
 if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
4548
 ctx.stroke();\
4549
 ctx.restore();\
4550
 return;\
4551
};");
4552
 
4553
    break;
4554
    case DRAW_ARROWS:/*  used for userdraw */
4555
fprintf(js_include_file,"\n<!-- draw arrows -->\n\
4556
draw_arrows = function(ctx,x_points,y_points,arrow_head,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,type,use_rotate,angle,use_translate,vector){\
4557
 ctx.save();\
4558
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
4559
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
4560
 ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4561
 ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4562
 ctx.lineWidth = line_width;\
4563
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4564
 ctx.lineCap = \"round\";\
4565
 ctx.save();\
4566
 var x1,y1,x2,y2,dx,dy,len;\
4567
 for(var p = 0 ; p < x_points.length - 1 ; p = p +2){\
4568
   ctx.restore();ctx.save();\
4569
   x1 = x_points[p];y1 = y_points[p];x2 = x_points[p+1];y2 = y_points[p+1];dx = x2 - x1;dy = y2 - y1;\
4570
   len = Math.sqrt(dx*dx+dy*dy);\
4571
   ctx.translate(x2,y2);\
4572
   ctx.rotate(Math.atan2(dy,dx));\
4573
   ctx.lineCap = \"round\";\
4574
   ctx.beginPath();\
4575
   ctx.moveTo(0,0);\
4576
   ctx.lineTo(-len,0);\
4577
   ctx.closePath();\
4578
   ctx.stroke();\
4579
   ctx.beginPath();\
4580
   ctx.moveTo(0,0);\
4581
   ctx.lineTo(-1*arrow_head,-0.5*arrow_head);\
4582
   ctx.lineTo(-1*arrow_head, 0.5*arrow_head);\
4583
   ctx.closePath();\
4584
   ctx.fill();\
4585
   if( type == 2 ){\
4586
     ctx.restore();\
4587
     ctx.save();\
4588
     ctx.translate(x1,y1);\
4589
     ctx.rotate(Math.atan2(-dy,-dx));\
4590
     ctx.beginPath();\
4591
     ctx.moveTo(0,0);\
4592
     ctx.lineTo(-1*arrow_head,-0.5*arrow_head);\
4593
     ctx.lineTo(-1*arrow_head, 0.5*arrow_head);\
4594
     ctx.closePath();\
4595
     ctx.stroke();\
4596
     ctx.fill();\
4597
   }\
4598
  }\
4599
  ctx.restore();\
4600
  return;\
7653 schaersvoo 4601
};");
7614 schaersvoo 4602
    break;
4603
 
4604
    case DRAW_VIDEO:/* not  used for userdraw */
4605
fprintf(js_include_file,"\n<!-- draw video -->\n\
4606
draw_video = function(canvas_root_id,x,y,w,h,URL){\
4607
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
4608
 var video_div = document.createElement(\"div\");\
4609
 canvas_div.appendChild(video_div);\
4610
 video_div.style.position = \"absolute\";\
4611
 video_div.style.left = x+\"px\";\
4612
 video_div.style.top = y+\"px\";\
4613
 video_div.style.width = w+\"px\";\
4614
 video_div.style.height = h+\"px\";\
4615
 var video = document.createElement(\"video\");\
4616
 video_div.appendChild(video);\
4617
 video.style.width = w+\"px\";\
4618
 video.style.height = h+\"px\";\
4619
 video.autobuffer = true;\
4620
 video.controls = true;video.autoplay = false;\
4621
 var src = document.createElement(\"source\");\
4622
 src.type = \"video/mp4\";\
4623
 src.src = URL;\
4624
 video.appendChild(src);\
4625
 video.load();\
4626
 return;\
7653 schaersvoo 4627
};");    
7614 schaersvoo 4628
    break;
4629
 
4630
    case DRAW_AUDIO:/* not used for userdraw */
4631
fprintf(js_include_file,"\n<!-- draw audio -->\n\
4632
draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
4633
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
4634
 var audio_div = document.createElement(\"div\");\
4635
 canvas_div.appendChild(audio_div);\
4636
 audio_div.style.position = \"absolute\";\
4637
 audio_div.style.left = x+\"px\";\
4638
 audio_div.style.top = y+\"px\";\
4639
 audio_div.style.width = w+\"px\";\
4640
 audio_div.style.height = h+\"px\";\
4641
 var audio = document.createElement(\"audio\");\
4642
 audio_div.appendChild(audio);\
4643
 audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
4644
 audio.autobuffer = true;\
4645
 if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;}\
4646
 if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;}\
4647
 var src1 = document.createElement(\"source\");\
4648
 src1.type = \"audio/ogg\";\
4649
 src1.src = URL1;\
4650
 audio.appendChild(src1);\
4651
 var src2 = document.createElement(\"source\");\
4652
 src2.type = \"audio/mpeg\";\
4653
 src2.src = URL2;\
4654
 audio.appendChild(src2);\
4655
 audio.load();\
4656
 return;\
7653 schaersvoo 4657
};");
7614 schaersvoo 4658
    break;
4659
 
4660
    case DRAW_HTTP:/* not  used for userdraw */
4661
fprintf(js_include_file,"\n<!-- draw http -->\n\
4662
draw_http = function(canvas_root_id,x,y,w,h,URL){\
4663
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
4664
 var http_div = document.createElement(\"div\");\
4665
 var iframe = document.createElement(\"iframe\");\
4666
 canvas_div.appendChild(http_div);\
4667
 http_div.appendChild(iframe);\
4668
 iframe.src = URL;\
4669
 iframe.setAttribute(\"width\",w);\
4670
 iframe.setAttribute(\"height\",h);\
4671
 return;\
7653 schaersvoo 4672
};");
7614 schaersvoo 4673
    break;
4674
 
4675
    case DRAW_XML:
4676
fprintf(js_include_file,"\n<!-- draw xml -->\n\
4677
draw_xml = function(canvas_root_id,x,y,w,h,mathml,onclick){\
4678
 var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
4679
 var xml_div = document.createElement(\"div\");\
4680
 canvas_div.appendChild(xml_div);\
4681
 xml_div.innerHTML = mathml;\
4682
 if(onclick != 0){\
4683
  xml_div.onclick = function(){\
4684
   reply[0] = onclick;\
4685
   alert(\"send \"+onclick+\" ?\");\
4686
  };\
4687
 };\
4688
 xml_div.style.position = \"absolute\";\
4689
 xml_div.style.left = x+\"px\";\
4690
 xml_div.style.top = y+\"px\";\
4691
 xml_div.style.width = w+\"px\";\
4692
 xml_div.style.height = h+\"px\";\
4693
 return;\
7653 schaersvoo 4694
};"
7614 schaersvoo 4695
);
4696
    break;
7654 schaersvoo 4697
    case DRAW_SGRAPH:
4698
/*
4699
 xstart = given
4700
 ystart = given
4701
 sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
4702
*/
4703
fprintf(js_include_file,"\n<!-- draw sgraph -->\n\
7658 schaersvoo 4704
draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
4705
 var obj;if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{ obj = create_canvas%d(canvas_type,xsize,ysize);};\
4706
 var ctx = obj.getContext(\"2d\");\
4707
 ctx.font = fontfamily;\
4708
 var minor_opacity = 0.8*opacity;\
4709
 ctx.clearRect(0,0,xsize,ysize);\
4710
 var d_x =  1.8*font_size;\
4711
 var d_y =  ctx.measureText(\"+ymax+\").width;\
4712
 var dx = xsize / (xmax - xmin);\
4713
 var dy = ysize / (ymax - ymin);\
4714
 var zero_x = d_y + dx;\
4715
 var zero_y = ysize - dy - d_x;\
7659 schaersvoo 4716
 var snor_x;\
7654 schaersvoo 4717
 if( xstart != xmin){\
7658 schaersvoo 4718
  snor_x = 0.1*xsize;\
4719
 }\
4720
 else\
4721
 {\
4722
  snor_x = 0;\
4723
  xstart = xmin;\
4724
 };\
4725
 ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
4726
 ctx.lineWidth = 2;\
4727
 ctx.beginPath();\
4728
 ctx.moveTo(xsize,zero_y);\
4729
 ctx.lineTo(zero_x,zero_y);\
4730
 ctx.lineTo(zero_x,0);\
4731
 ctx.stroke();\
4732
 ctx.closePath();\
4733
 ctx.beginPath();\
4734
 ctx.moveTo(zero_x,zero_y);\
4735
 ctx.lineTo(zero_x + 0.25*snor_x,zero_y - 0.1*snor_x);\
4736
 ctx.lineTo(zero_x + 0.5*snor_x,zero_y + 0.1*snor_x);\
4737
 ctx.lineTo(zero_x + 0.75*snor_x,zero_y - 0.1*snor_x);\
4738
 ctx.lineTo(zero_x + snor_x,zero_y);\
4739
 ctx.stroke();\
4740
 ctx.closePath();\
4741
 ctx.beginPath();\
4742
 var num = xstart;\
7660 schaersvoo 4743
 var flipflop = 1;\
7658 schaersvoo 4744
 var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
4745
 for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
7660 schaersvoo 4746
   if( 0.5*ctx.measureText(num).width > step_x ){\
4747
    if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};\
4748
   };\
4749
   if( flipflop == 1){\
7658 schaersvoo 4750
    ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+font_size);\
4751
   }\
4752
   else\
4753
   {\
4754
    ctx.fillText(num,x - 0.5*ctx.measureText(num).width,zero_y+2*font_size);\
4755
   }\
4756
   num = num + xmajor;\
4757
 };\
4758
 ctx.stroke();\
4759
 ctx.closePath();\
4760
 ctx.lineWidth = 1;\
4761
 ctx.beginPath();\
4762
 for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
4763
   ctx.moveTo(x,zero_y);\
4764
   ctx.lineTo(x,0);\
4765
 };\
4766
 ctx.stroke();\
4767
 ctx.closePath();\
4768
 if( xminor > 1){\
4769
  ctx.lineWidth = 0.5;\
4770
  ctx.beginPath();\
4771
  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
4772
  var minor_step_x = step_x / xminor;\
4773
  var nx;\
4774
  for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
4775
    num = 1;\
4776
    for(var p = 1 ; p < xminor ; p++){\
4777
     nx = x + num*minor_step_x;\
4778
     ctx.moveTo(nx,zero_y);\
4779
     ctx.lineTo(nx,0);\
4780
     num++;\
4781
    };\
4782
  };\
4783
  ctx.stroke();\
4784
  ctx.closePath();\
4785
  ctx.beginPath();\
4786
  ctx.lineWidth = 2;\
4787
  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
4788
  for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
4789
   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
4790
  };\
4791
  for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
4792
   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
4793
  };\
4794
  ctx.stroke();\
4795
  ctx.closePath();\
4796
  ctx.lineWidth = 0.5;\
4797
 };\
4798
 xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
4799
 if( ystart != ymin){\
4800
  snor_y = 0.1*ysize;\
4801
 }\
4802
 else\
4803
 {\
4804
  snor_y = 0;\
4805
  ystart = ymin;\
4806
 };\
4807
 ctx.lineWidth = 2;\
4808
 ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
4809
 ctx.beginPath();\
4810
 ctx.moveTo(zero_x,zero_y);\
4811
 ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.25*snor_y);\
4812
 ctx.lineTo(zero_x + 0.1*snor_y,zero_y - 0.5*snor_y);\
4813
 ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.75*snor_y);\
4814
 ctx.lineTo(zero_x,zero_y - snor_y);\
4815
 ctx.stroke();\
4816
 ctx.closePath();\
4817
 ctx.beginPath();\
4818
 ctx.lineWidth = 1;\
4819
 num = ystart;\
4820
 var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
4821
 for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
4822
  ctx.moveTo(zero_x,y);\
4823
  ctx.lineTo(xsize,y);\
4824
  ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
4825
  num = num + ymajor;\
4826
 };\
4827
 ctx.stroke();\
4828
 ctx.closePath();\
4829
 if( yminor > 1){\
4830
  ctx.lineWidth = 0.5;\
4831
  ctx.beginPath();\
4832
  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
4833
  var minor_step_y = step_y / yminor;\
4834
  var ny;\
4835
  for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
4836
   num = 1;\
4837
   for(var p = 1 ;p < yminor;p++){\
4838
     ny = y + num*minor_step_y;\
4839
     ctx.moveTo(zero_x,ny);\
4840
     ctx.lineTo(xsize,ny);\
4841
     num++;\
4842
    };\
4843
  };\
4844
  ctx.stroke();\
4845
  ctx.closePath();\
4846
  ctx.lineWidth = 2;\
4847
  ctx.beginPath();\
4848
  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
4849
  for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
4850
   ctx.moveTo(zero_x,y);\
4851
   ctx.lineTo(zero_x+12,y);\
4852
  };\
4853
  for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
4854
   ctx.moveTo(zero_x,y);\
4855
   ctx.lineTo(zero_x+6,y);\
4856
  };\
4857
  ctx.stroke();\
4858
  ctx.closePath();\
4859
 };\
4860
 ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
7654 schaersvoo 4861
 if( typeof legend%d  !== 'undefined' ){\
4862
  ctx.globalAlpha = 1.0;\
4863
  var y_offset = 2*font_size;\
4864
  var txt;var txt_size;\
4865
  var x_offset = xsize - 2*font_size;\
4866
  var l_length = legend%d.length;var barcolor = new Array();\
4867
  if( typeof legendcolors%d !== 'undefined' ){\
4868
   for(var p = 0 ; p < l_length ; p++){\
4869
    barcolor[p] = legendcolors%d[p];\
4870
   };\
4871
  }else{\
4872
   if( barcolor.length == 0 ){\
4873
    for(var p = 0 ; p < l_length ; p++){\
4874
     barcolor[p] = stroke_color;\
4875
    };\
4876
   };\
4877
  };\
4878
  for(var p = 0; p < l_length; p++){\
4879
   ctx.fillStyle = barcolor[p];\
4880
   txt = legend%d[p];\
4881
   txt_size = ctx.measureText(txt).width;\
4882
   ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
4883
   y_offset = parseInt(y_offset + 1.5*font_size);\
4884
  };\
4885
 };\
7660 schaersvoo 4886
 if( typeof xaxislabel !== 'undefined' ){\
7658 schaersvoo 4887
   ctx.fillStyle = \'#000000\';\
4888
   var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
4889
   ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
4890
 };\
7660 schaersvoo 4891
 if( typeof yaxislabel !== 'undefined'){\
7658 schaersvoo 4892
   ctx.save();\
4893
   ctx.fillStyle = \'#000000\';\
4894
   var txt_size = ctx.measureText(yaxislabel).width;\
4895
   ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
4896
   ctx.rotate(-0.5*Math.PI);\
4897
   ctx.fillText(yaxislabel,0,0);\
4898
   ctx.save();\
4899
 };\
7654 schaersvoo 4900
};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
4901
    break;
7614 schaersvoo 4902
 
4903
    case DRAW_GRID:/* not used for userdraw */
4904
fprintf(js_include_file,"\n<!-- draw grid -->\n\
4905
draw_grid%d = function(canvas_type,precision,stroke_opacity,xmajor,ymajor,xminor,yminor,tics_length,line_width,stroke_color,axis_color,font_size,font_family,use_axis,use_axis_numbering,use_rotate,angle,use_translate,vector,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
4906
var obj;\
4907
if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
4908
 obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
4909
}\
4910
else\
4911
{\
4912
 obj = create_canvas%d(canvas_type,xsize,ysize);\
4913
};\
4914
var ctx = obj.getContext(\"2d\");\
4915
ctx.clearRect(0,0,xsize,ysize);\
4916
if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
4917
ctx.save();\
4918
if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
4919
if( use_rotate == 1 ){ctx.translate(x2px(0),y2px(0));ctx.rotate(angle*Math.PI/180);ctx.translate(-1*(x2px(0)),-1*(y2px(0)));};\
4920
var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
4921
ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
4922
var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
4923
ctx.font = font_family;\
4924
var xstep = xsize*xmajor/(xmax - xmin);\
4925
var ystep = ysize*ymajor/(ymax - ymin);\
4926
var x2step = xstep / xminor;\
4927
var y2step = ystep / yminor;\
7654 schaersvoo 4928
var zero_x;var zero_y;var f_x;var f_y;\
4929
if(xmin < 0 ){zero_x = x2px(0);f_x = 1;}else{zero_x = x2px(xmin);f_x = -1;}\
4930
if(ymin < 0 ){zero_y = y2px(0);f_y = 1;}else{zero_y = y2px(ymin);f_y = -1;}\
7614 schaersvoo 4931
ctx.beginPath();\
4932
ctx.lineWidth = line_width;\
4933
ctx.strokeStyle = stroke_color;\
4934
for(var p = zero_x ; p < xsize; p = p + xstep){\
4935
 ctx.moveTo(p,0);\
4936
 ctx.lineTo(p,ysize);\
4937
};\
4938
for(var p = zero_x ; p > 0; p = p - xstep){\
4939
 ctx.moveTo(p,0);\
4940
 ctx.lineTo(p,ysize);\
4941
};\
4942
for(var p = zero_y ; p < ysize; p = p + ystep){\
4943
 ctx.moveTo(0,p);\
4944
 ctx.lineTo(xsize,p);\
4945
};\
4946
for(var p = zero_y ; p > 0; p = p - ystep){\
4947
 ctx.moveTo(0,p);\
4948
 ctx.lineTo(xsize,p);\
4949
};\
4950
if( typeof xaxislabel !== 'undefined' ){\
4951
 ctx.save();\
4952
 ctx.font = \"italic \"+font_size+\"px Ariel\";\
4953
 var corr =  ctx.measureText(xaxislabel).width;\
4954
 ctx.fillText(xaxislabel,xsize - 1.5*corr,zero_y - tics_length - 0.4*font_size);\
4955
 ctx.restore();\
4956
};\
4957
if( typeof yaxislabel !== 'undefined' ){\
4958
 ctx.save();\
4959
 ctx.font = \"italic \"+font_size+\"px Ariel\";\
4960
 corr =  ctx.measureText(yaxislabel).width;\
4961
 ctx.translate(zero_x+tics_length + font_size,corr+font_size);\
4962
 ctx.rotate(-0.5*Math.PI);\
4963
 ctx.fillText(yaxislabel,0,0);\
4964
 ctx.restore();\
4965
};\
4966
ctx.stroke();\
4967
ctx.closePath();\
4968
if( use_axis == 1 ){\
4969
 ctx.beginPath();\
4970
 ctx.strokeStyle = stroke_color;\
4971
 ctx.lineWidth = 0.6*line_width;\
4972
 for(var p = zero_x ; p < xsize; p = p + x2step){\
4973
  ctx.moveTo(p,0);\
4974
  ctx.lineTo(p,ysize);\
4975
 };\
4976
 for(var p = zero_x ; p > 0; p = p - x2step){\
4977
  ctx.moveTo(p,0);\
4978
  ctx.lineTo(p,ysize);\
4979
 };\
4980
 for(var p = zero_y ; p < ysize; p = p + y2step){\
4981
  ctx.moveTo(0,p);\
4982
  ctx.lineTo(xsize,p);\
4983
 };\
4984
 for(var p = zero_y ; p > 0; p = p - y2step){\
4985
  ctx.moveTo(0,p);\
4986
  ctx.lineTo(xsize,p);\
4987
 };\
4988
 ctx.stroke();\
4989
 ctx.closePath();\
4990
 ctx.beginPath();\
4991
 ctx.lineWidth = 2*line_width;\
4992
 ctx.strokeStyle = axis_color;\
4993
 ctx.moveTo(0,zero_y);\
4994
 ctx.lineTo(xsize,zero_y);\
4995
 ctx.moveTo(zero_x,0);\
4996
 ctx.lineTo(zero_x,ysize);\
4997
 ctx.stroke();\
4998
 ctx.closePath();\
4999
 ctx.lineWidth = line_width+0.5;\
5000
 ctx.beginPath();\
5001
 for(var p = zero_x ; p < xsize; p = p + xstep){\
5002
  ctx.moveTo(p,zero_y-tics_length);\
5003
  ctx.lineTo(p,zero_y+tics_length);\
5004
 };\
5005
 for(var p = zero_x ; p > 0; p = p - xstep){\
5006
  ctx.moveTo(p,zero_y-tics_length);\
5007
  ctx.lineTo(p,zero_y+tics_length);\
5008
 };\
5009
 for(var p = zero_y ; p < ysize; p = p + ystep){\
5010
  ctx.moveTo(zero_x-tics_length,p);\
5011
  ctx.lineTo(zero_x+tics_length,p);\
5012
 };\
5013
 for(var p = zero_y ; p > 0; p = p - ystep){\
5014
  ctx.moveTo(zero_x-tics_length,p);\
5015
  ctx.lineTo(zero_x+tics_length,p);\
5016
 };\
5017
 for(var p = zero_x ; p < xsize; p = p + x2step){\
5018
  ctx.moveTo(p,zero_y-0.5*tics_length);\
5019
  ctx.lineTo(p,zero_y+0.5*tics_length);\
5020
 };\
5021
 for(var p = zero_x ; p > 0; p = p - x2step){\
5022
  ctx.moveTo(p,zero_y-0.5*tics_length);\
5023
  ctx.lineTo(p,zero_y+0.5*tics_length);\
5024
 };\
5025
 for(var p = zero_y ; p < ysize; p = p + y2step){\
5026
  ctx.moveTo(zero_x-0.5*tics_length,p);\
5027
  ctx.lineTo(zero_x+0.5*tics_length,p);\
5028
 };\
5029
 for(var p = zero_y ; p > 0; p = p - y2step){\
5030
  ctx.moveTo(zero_x-0.5*tics_length,p);\
5031
  ctx.lineTo(zero_x+0.5*tics_length,p);\
5032
 };\
5033
 ctx.stroke();\
5034
 ctx.closePath();\
5035
 if( use_axis_numbering == 1 ){\
5036
  var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
5037
  if( x_strings != null ){\
5038
   var f = 1.4;\
5039
   var len = x_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
5040
   for(var p = 0 ; p < len ; p = p+2){\
5041
     var x_nums = x2px(eval(x_strings[p]));\
5042
     var x_text = x_strings[p+1];\
5043
     corr = ctx.measureText(x_text).width;\
5044
     skip = 1.2*corr/xstep;\
5045
     if( zero_y+2*font_size > ysize ){shift = ysize - 2*font_size;};\
5046
     if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;}};\
5047
     ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
5048
   }\
5049
  }\
5050
  else\
5051
  {\
7654 schaersvoo 5052
   corr=0;skip = 1;cnt = px2x(zero_x);\
7614 schaersvoo 5053
   prec = Math.log(precision)/(Math.log(10));\
7654 schaersvoo 5054
   for( var p = zero_x ; p < xsize ; p = p+xstep){\
7614 schaersvoo 5055
    if(skip == 0 ){\
5056
      disp_cnt = cnt.toFixed(prec);\
5057
      corr = ctx.measureText(disp_cnt).width;\
5058
      skip = parseInt(1.2*corr/xstep);\
7654 schaersvoo 5059
      ctx.fillText(disp_cnt,p-0.5*corr,parseInt(zero_y+(1.4*f_x*font_size)));\
7614 schaersvoo 5060
    }\
5061
    else\
5062
    {\
5063
     skip--;\
5064
    };\
5065
    cnt = cnt + xmajor;\
5066
   };\
7654 schaersvoo 5067
   cnt = px2x(zero_x);skip = 1;\
5068
   for( var p = zero_x ; p > 0 ; p = p-xstep){\
7614 schaersvoo 5069
    if(skip == 0 ){\
5070
     disp_cnt = cnt.toFixed(prec);\
5071
     corr = ctx.measureText(disp_cnt).width;\
5072
     skip = parseInt(1.2*corr/xstep);\
7654 schaersvoo 5073
     ctx.fillText(disp_cnt,p-0.5*corr,parseInt(zero_y+(1.4*f_x*font_size)));\
7614 schaersvoo 5074
    }\
5075
    else\
5076
    {\
5077
     skip--;\
5078
    };\
5079
    cnt = cnt - xmajor;\
5080
   };\
5081
  };\
5082
  if( y_strings != null ){\
5083
   var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired:  text missing ! \");return;};\
5084
   for(var p = 0 ; p < len ; p = p+2){\
5085
    var y_nums = y2px(eval(y_strings[p]));\
5086
    var y_text = y_strings[p+1];\
5087
    var f = 1.4;\
5088
    corr = 2 + tics_length + ctx.measureText(y_text).width;\
5089
    if( corr > zero_x){corr = parseInt(zero_x+2); }\
5090
    ctx.fillText(y_text,zero_x - corr,y_nums);\
5091
   };\
5092
  }\
5093
  else\
5094
  {\
7654 schaersvoo 5095
   corr = 0;cnt = px2y(zero_y);skip = 1;\
5096
   for( var p = zero_y ; p < ysize ; p = p+ystep){\
7614 schaersvoo 5097
    if(skip == 0 ){\
5098
     skip = parseInt(1.4*font_size/ystep);\
5099
     disp_cnt = cnt.toFixed(prec);\
7654 schaersvoo 5100
     if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
5101
     ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614 schaersvoo 5102
    }\
5103
    else\
5104
    {\
5105
     skip--;\
5106
    };\
5107
    cnt = cnt - ymajor;\
5108
   }\
7654 schaersvoo 5109
   corr = 0;cnt = px2y(zero_y);skip = 1;\
5110
   for( var p = zero_y ; p > 0 ; p = p-ystep){\
7614 schaersvoo 5111
    if(skip == 0 ){\
5112
     skip = parseInt(1.4*font_size/ystep);\
5113
     disp_cnt = cnt.toFixed(prec);\
7654 schaersvoo 5114
     if(f_y == 1){corr = 2 + tics_length + ctx.measureText(disp_cnt).width;}\
5115
     ctx.fillText(disp_cnt,parseInt(zero_x - corr),parseInt(p+(0.4*font_size)));\
7614 schaersvoo 5116
    }\
5117
    else\
5118
    {\
5119
     skip--;\
5120
    };\
5121
    cnt = cnt + ymajor;\
5122
   }\
5123
  };\
5124
 };\
5125
 ctx.strokeStyle = stroke_color;\
5126
 ctx.lineWidth = 2;\
5127
 ctx.beginPath();\
5128
 ctx.rect(0,0,xsize,ysize);\
5129
 ctx.closePath();\
5130
 ctx.stroke();\
5131
};\
5132
if( typeof linegraph_0 !== 'undefined' ){\
5133
 ctx.restore();\
5134
 ctx.save();\
5135
 ctx.globalAlpha = 1.0;\
5136
 var i = 0;\
5137
 var line_name = eval('linegraph_'+i);\
5138
 while ( typeof line_name !== 'undefined' ){\
5139
  ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
5140
  ctx.lineWidth = parseInt(line_name[1]);\
5141
  if(line_name[2] == \"1\"){\
5142
   var d1 = parseInt(line_name[3]);\
5143
   var d2 = parseInt(line_name[4]);\
5144
   if(ctx.setLineDash){ ctx.setLineDash(d1,d2); } else { ctx.mozDash = [d1,d2];};\
5145
  }\
5146
  else\
5147
  {\
5148
  if(ctx.setLineDash){ctx.setLineDash = null;}\
5149
  if(ctx.mozDash){ctx.mozDash = null;}\
5150
  };\
5151
  var data_x = new Array();\
5152
  var data_y = new Array();\
5153
  var lb = line_name.length;\
5154
  var idx = 0;\
5155
  for( var p = 5 ; p < lb ; p = p + 2 ){\
5156
   data_x[idx] = x2px(line_name[p]);\
5157
   data_y[idx] = y2px(line_name[p+1]);\
5158
   idx++;\
5159
  };\
5160
  for( var p = 0; p < idx ; p++){\
5161
   ctx.beginPath();\
5162
   ctx.moveTo(data_x[p],data_y[p]);\
5163
   ctx.lineTo(data_x[p+1],data_y[p+1]);\
5164
   ctx.stroke();\
5165
   ctx.closePath();\
5166
  };\
5167
  i++;\
5168
  try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
5169
 };\
5170
};\
5171
var barcolor = new Array();\
5172
if( typeof barchart%d  !== 'undefined' ){\
5173
 ctx.restore();\
5174
 ctx.save();\
5175
 ctx.globalAlpha = 1.0;\
5176
 var bar_x = new Array();\
5177
 var bar_y = new Array();\
5178
 var lb = barchart%d.length;\
5179
 var idx = 0;\
5180
 for( var p = 0 ; p < lb ; p = p + 3 ){\
5181
  bar_x[idx] = x2px(barchart%d[p]);\
5182
  bar_y[idx] = y2px(barchart%d[p+1]);\
5183
  barcolor[idx] = barchart%d[p+2];\
5184
  idx++;\
5185
 };\
5186
 var dx = parseInt(0.6*xstep);\
5187
 ctx.globalAlpha = fill_opacity;\
5188
 for( var p = 0; p < idx ; p++ ){\
5189
  ctx.beginPath();\
5190
  ctx.strokeStyle = barcolor[p];\
5191
  ctx.fillStyle = barcolor[p];\
5192
  ctx.rect(bar_x[p]-0.5*dx,bar_y[p],dx,zero_y - bar_y[p]);\
5193
  ctx.fill();\
5194
  ctx.stroke();\
5195
  ctx.closePath();\
5196
 };\
5197
};\
5198
if( typeof legend%d  !== 'undefined' ){\
5199
 ctx.globalAlpha = 1.0;\
5200
 ctx.font = \"bold \"+font_size+\"px Ariel\";\
5201
 var y_offset = 2*font_size;\
5202
 var txt;var txt_size;\
5203
 var x_offset = xsize - 2*font_size;\
5204
 var l_length = legend%d.length;\
5205
 if( typeof legendcolors%d !== 'undefined' ){\
5206
  for(var p = 0 ; p < l_length ; p++){\
5207
    barcolor[p] = legendcolors%d[p];\
5208
  };\
5209
 }else{\
5210
  if( barcolor.length == 0 ){\
5211
   for(var p = 0 ; p < l_length ; p++){\
5212
    barcolor[p] = stroke_color;\
5213
   };\
5214
  };\
5215
 };\
5216
 for(var p = 0; p < l_length; p++){\
5217
  ctx.fillStyle = barcolor[p];\
5218
  txt = legend%d[p];\
5219
  txt_size = ctx.measureText(txt).width;\
5220
  ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
5221
  y_offset = parseInt(y_offset + 1.5*font_size);\
5222
 };\
5223
};\
5224
ctx.restore();\
5225
return;\
7653 schaersvoo 5226
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 5227
    break;
5228
 
5229
    case DRAW_PIECHART:
5230
fprintf(js_include_file,"\n<!-- draw piechars -->\n\
5231
function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,font_size,font_family){\
5232
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
5233
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
5234
 }\
5235
 else\
5236
 {\
5237
  obj = create_canvas%d(canvas_type,xsize,ysize);\
5238
 };\
5239
 var ld = data_color_list.length;\
5240
 var sum = 0;\
5241
 var idx = 0;\
5242
 var colors = new Array();\
5243
 var data = new Array();\
5244
 for(var p = 0;p < ld; p = p + 2){\
5245
  data[idx] = parseFloat(data_color_list[p]);\
5246
  sum = sum + data[idx];\
5247
  colors[idx] = data_color_list[p+1];\
5248
  idx++;\
5249
 };\
5250
 var ctx = obj.getContext(\"2d\");\
5251
 ctx.save();\
5252
 var angle;\
5253
 var angle_end = 0;\
5254
 var offset = Math.PI / 2;\
5255
 ctx.globalAlpha = fill_opacity;\
5256
 for(var p=0; p < idx; p++){\
5257
  ctx.beginPath();\
5258
  ctx.fillStyle = colors[p];\
5259
  ctx.moveTo(x_center,y_center);\
5260
  angle = Math.PI * (2 * data[p] / sum);\
5261
  ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
5262
  ctx.lineTo(x_center, y_center);\
5263
  ctx.fill();\
5264
  ctx.closePath();\
5265
  angle_end  = angle_end + angle;\
5266
 };\
5267
 if( typeof legend%d  !== 'undefined' ){\
5268
  ctx.globalAlpha = 1.0;\
5269
  ctx.font = font_size+\"px \"+font_family;\
5270
  var y_offset = font_size; \
5271
  var x_offset = 0;\
5272
  var txt;var txt_size;\
5273
  for(var p = 0; p < idx; p++){\
5274
   ctx.fillStyle = colors[p];\
5275
   txt = legend%d[p];\
5276
   txt_size = ctx.measureText(txt).width;\
5277
   if( x_center + radius + txt_size > xsize ){ x_offset =  x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
5278
   ctx.fillText(legend%d[p],x_center + radius - x_offset, y_center - radius + y_offset);\
5279
   y_offset = parseInt(y_offset + 1.5*font_size);\
5280
  };\
5281
 };\
5282
 ctx.restore();\
7653 schaersvoo 5283
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 5284
 
5285
    break;
5286
    case DRAW_ARCS:
5287
fprintf(js_include_file,"\n<!-- draw arcs -->\n\
5288
draw_arc = function(canvas_type,xc,yc,r,start,end,line_width,stroke_color,stroke_opacity,use_filled,fill_color,fill_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
5289
 var obj;\
5290
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
5291
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
5292
 }\
5293
 else\
5294
 {\
5295
  obj = create_canvas%d(canvas_type,xsize,ysize);\
5296
 };\
5297
 var ctx = obj.getContext(\"2d\");\
5298
 ctx.save();\
5299
 if( use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
5300
 if( use_translate == 1 ){ctx.translate(vector[0],vector[1]);};\
5301
 if( use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
5302
 if(end < start){var tmp = end;end = start;start=tmp;};\
5303
 start=360-start;\
5304
 end=360-end;\
5305
 ctx.lineWidth = line_width;\
5306
 ctx.strokeStyle =  \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
5307
 if( use_filled == 1 ){\
5308
  ctx.beginPath();\
5309
  ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
5310
  var x1 = xc + r*Math.cos(Math.PI*start/180);\
5311
  var y1 = yc + r*Math.sin(Math.PI*start/180);\
5312
  var x2 = xc + r*Math.cos(Math.PI*end/180);\
5313
  var y2 = yc + r*Math.sin(Math.PI*end/180);\
5314
  ctx.beginPath();\
5315
  ctx.moveTo(x1,y1);\
5316
  ctx.lineTo(xc,yc);\
5317
  ctx.moveTo(xc,yc);\
5318
  ctx.lineTo(x2,y2);\
5319
  ctx.closePath();\
5320
  ctx.arc(xc, yc, r, start*(Math.PI / 180), end*(Math.PI / 180),true);\
5321
  ctx.fill();\
5322
  ctx.stroke();\
5323
 }\
5324
 else\
5325
 {\
5326
    ctx.beginPath();\
5327
    ctx.arc(xc, yc, r, start*(Math.PI / 180), end*(Math.PI / 180),true);\
5328
    ctx.stroke();\
5329
    ctx.closePath();\
5330
 }\
5331
 ctx.restore();\
7653 schaersvoo 5332
};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 5333
 
5334
    break;
5335
    case DRAW_TEXTS:
5336
fprintf(js_include_file,"\n<!-- draw text -->\n\
5337
draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_translate,vector){\
5338
  var obj;\
5339
  if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
5340
   obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
5341
  }\
5342
  else\
5343
  {\
5344
   obj = create_canvas%d(canvas_type,xsize,ysize);\
5345
  };\
5346
  var ctx = obj.getContext(\"2d\");\
5347
  if(angle2 == 0 && angle != 0){\
5348
   ctx.save();\
5349
   if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
5350
   if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
5351
  };\
5352
  if( font_family.indexOf('px') != null ){\
5353
   ctx.font = font_family;\
5354
  }\
5355
  else\
5356
  {\
5357
   ctx.font = \"+font_size+'px '+font_family \";\
5358
  };\
5359
  ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
5360
  if(angle2 != 0){\
5361
   ctx.save();\
5362
   ctx.translate(x,y);\
5363
   ctx.rotate((360-angle2)*(Math.PI / 180));\
5364
   ctx.fillText(text,0,0);\
5365
   ctx.restore();\
5366
  }else{ctx.fillText(text,x,y);};\
5367
 ctx.restore();\
5368
 return;\
7653 schaersvoo 5369
 };",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 5370
 
5371
    break;
5372
    case DRAW_CURVE:
5373
fprintf(js_include_file,"\n<!-- draw curve -->\n\
5374
draw_curve = function(canvas_type,type,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,use_rotate,angle,use_translate,vector){\
5375
 var obj;\
5376
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
5377
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
5378
 }\
5379
 else\
5380
 {\
5381
  obj = create_canvas%d(canvas_type,xsize,ysize);\
5382
 };\
5383
 var ctx = obj.getContext(\"2d\");\
5384
 ctx.save();\
5385
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
5386
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
5387
 ctx.beginPath();ctx.lineWidth = line_width;\
5388
 if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
5389
 ctx.strokeStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
5390
 ctx.moveTo(x2px(x_points[0]),y2px(y_points[0]));\
5391
 for(var p = 1 ; p < x_points.length ; p++){\
5392
  if( y2px(y_points[p]) > -5 && y2px(y_points[p]) < ysize+5 ){\
5393
  ctx.lineTo(x2px(x_points[p]),y2px(y_points[p]));\
5394
  }\
5395
  else\
5396
  {\
5397
   ctx.stroke();\
5398
   ctx.beginPath();\
5399
   p++;\
5400
   ctx.moveTo(x2px(x_points[p]),y2px(y_points[p]));\
5401
  };\
5402
 };\
5403
 ctx.stroke();\
5404
 ctx.restore();\
7653 schaersvoo 5405
};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 5406
    break;
5407
 
5408
    case DRAW_INPUTS:
5409
fprintf(js_include_file,"\n<!-- draw input fields -->\n\
5410
draw_inputs = function(root_id,input_cnt,x,y,size,readonly,style,value){\
5411
var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
5412
var input = document.createElement(\"input\");\
5413
input.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
5414
input.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
5415
input.setAttribute(\"size\",size);\
5416
input.setAttribute(\"value\",value);\
5417
if( readonly == 0 ){ input.setAttribute(\"readonly\",\"readonly\");};\
7653 schaersvoo 5418
canvas_div.appendChild(input);};");
7614 schaersvoo 5419
    break;
5420
 
5421
    case DRAW_TEXTAREAS:
5422
fprintf(js_include_file,"\n<!-- draw text area inputfields -->\n\
5423
draw_textareas = function(root_id,input_cnt,x,y,cols,rows,readonly,style,value){\
5424
var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
5425
var textarea = document.createElement(\"textarea\");\
5426
textarea.setAttribute(\"id\",\"canvas_input\"+input_cnt);\
5427
textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
5428
textarea.setAttribute(\"cols\",cols);\
5429
textarea.setAttribute(\"rows\",rows);\
5430
textarea.innerHTML = value;\
7653 schaersvoo 5431
canvas_div.appendChild(textarea);};");
7614 schaersvoo 5432
    break;
5433
 
5434
case DRAW_PIXELS:
5435
fprintf(js_include_file,"\n<!-- draw pixel -->\n\
5436
draw_setpixel = function(x,y,color,opacity,pixelsize){\
5437
 var canvas = create_canvas%d(10,xsize,ysize);\
5438
 var d = 0.5*pixelsize;\
5439
 var ctx = canvas.getContext(\"2d\");\
5440
 ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
5441
 ctx.clearRect(0,0,xsize,ysize);\
5442
 for(var p=0; p<x.length;p++){\
5443
  ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
5444
 };\
5445
 ctx.fill();ctx.stroke();\
5446
};",canvas_root_id);
5447
break;
5448
 
5449
case DRAW_CLOCK:
5450
fprintf(js_include_file,"\n<!-- begin command clock -->\n\
5451
var clock_canvas = create_canvas%d(%d,xsize,ysize);\
5452
var clock_ctx = clock_canvas.getContext(\"2d\");\
5453
var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
5454
 clock_ctx.save();\
5455
 this.type = type || 0;\
5456
 this.interaction = interaction || 0;\
5457
 this.H = H || parseInt(110*(Math.random()));\
5458
 this.M = M || parseInt(590*(Math.random()));\
5459
 this.S = S || parseInt(590*(Math.random()));\
5460
 this.xc = xc || xsize/2;\
5461
 this.yc = yc || ysize/2;\
5462
 this.radius = radius || xsize/4;\
5463
 var font_size = parseInt(0.2*this.radius);\
5464
 this.H_color = h_color || \"blue\";\
5465
 this.M_color = m_color || \"blue\";\
5466
 this.S_color = s_color || \"blue\";\
5467
 this.fg_color = fg_color || \"red\";\
5468
 this.bg_color = bg_color || \"white\";\
5469
 clock_ctx.translate(this.xc,this.yc);\
5470
 clock_ctx.beginPath();\
5471
 clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
5472
 clock_ctx.fillStyle = this.bg_color;\
5473
 clock_ctx.fill();\
5474
 clock_ctx.closePath();\
5475
 clock_ctx.beginPath();\
5476
 clock_ctx.font = font_size+\"px Arial\";\
5477
 clock_ctx.fillStyle = this.fg_color;\
5478
 clock_ctx.textAlign = \"center\";\
5479
 clock_ctx.textBaseline = 'middle';\
5480
 var angle;var x1,y1,x2,y2;\
5481
 var angle_cos;var angle_sin;\
5482
 switch(type){\
5483
 case 0:clock_ctx.beginPath();\
5484
 for(var p = 1; p <= 12 ; p++){\
5485
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
5486
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
5487
  x1 = 0.8*angle_cos;y1 = 0.8*angle_sin;x2 = angle_cos;y2 = angle_sin;\
5488
  clock_ctx.moveTo(x1,y1);\
5489
  clock_ctx.lineTo(x2,y2);\
5490
 };\
5491
 for(var p = 1; p <= 60 ; p++){\
5492
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
5493
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
5494
  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
5495
  clock_ctx.moveTo(x1,y1);\
5496
  clock_ctx.lineTo(x2,y2);\
5497
 };\
5498
 clock_ctx.closePath();\
5499
 clock_ctx.stroke();\
5500
 break;\
5501
 case 1:\
5502
 for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.9*this.radius*Math.cos(angle);y1 = 0.9*this.radius*Math.sin(angle);clock_ctx.fillText(p, x1, y1);};break;\
5503
 case 2:for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 1.1*this.radius*Math.cos(angle);y1 = 1.1*this.radius*Math.sin(angle);clock_ctx.fillText(p, x1, y1);};\
5504
 clock_ctx.beginPath();\
5505
 for(var p = 1; p <= 12 ; p++){\
5506
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
5507
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
5508
  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
5509
  clock_ctx.moveTo(x1,y1);\
5510
  clock_ctx.lineTo(x2,y2);\
5511
 };\
5512
 for(var p = 1; p <= 60 ; p++){\
5513
  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
5514
  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
5515
  x1 = 0.95*angle_cos;y1 = 0.95*angle_sin;x2 = angle_cos;y2 = angle_sin;\
5516
  clock_ctx.moveTo(x1,y1);\
5517
  clock_ctx.lineTo(x2,y2);\
5518
 };\
5519
 clock_ctx.closePath();\
5520
 clock_ctx.stroke();\
5521
 break;\
5522
 };\
5523
 angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
5524
 clock_ctx.rotate(angle);\
5525
 clock_ctx.beginPath();\
5526
 clock_ctx.moveTo(-3, -2);\
5527
 clock_ctx.lineTo(-3, 2);\
5528
 clock_ctx.lineTo(this.radius * 0.7, 1);\
5529
 clock_ctx.lineTo(this.radius  * 0.7, -1);\
5530
 clock_ctx.fillStyle = this.H_color;\
5531
 clock_ctx.fill();\
5532
 clock_ctx.rotate(-angle);\
5533
 angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
5534
 clock_ctx.rotate(angle);\
5535
 clock_ctx.beginPath();\
5536
 clock_ctx.moveTo(-3, -2);\
5537
 clock_ctx.lineTo(-3, 2);\
5538
 clock_ctx.lineTo(this.radius  * 0.8, 1);\
5539
 clock_ctx.lineTo(this.radius  * 0.8, -1);\
5540
 clock_ctx.fillStyle = this.M_color;\
5541
 clock_ctx.fill();\
5542
 clock_ctx.rotate(-angle);\
5543
 angle = (this.S - 15) * 2 * Math.PI / 60;\
5544
 clock_ctx.rotate(angle);\
5545
 clock_ctx.beginPath();\
5546
 clock_ctx.moveTo(0,0);\
5547
 clock_ctx.lineTo(this.radius  * 0.95, 0);\
5548
 clock_ctx.lineTo(this.radius  * 0.9, -1);\
5549
 clock_ctx.strokeStyle = this.S_color;\
5550
 clock_ctx.stroke();\
5551
 clock_ctx.restore();\
7653 schaersvoo 5552
};",canvas_root_id,CLOCK_CANVAS);
7614 schaersvoo 5553
break;
5554
 
5555
case DRAW_LATTICE:
5556
fprintf(js_include_file,"\n<!-- draw lattice -->\n\
5557
draw_lattice = function(canvas_type,line_width,x0,y0,dx1,dy1,dx2,dy2,n1,n2,fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_translate,vector){\
5558
 var obj;\
5559
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
5560
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
5561
 }\
5562
 else\
5563
 {\
5564
  obj = create_canvas%d(canvas_type,xsize,ysize);\
5565
 };\
5566
 var ctx = obj.getContext(\"2d\");\
5567
 ctx.save();\
5568
 if(use_translate == 1 ){ctx.translate(vector[0],vector[1]);}\
5569
 if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
5570
 ctx.fillStyle =\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
5571
 ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
5572
 var radius = line_width;\
5573
 var x = 0;\
5574
 var y = 0;\
5575
 var x_step_px = xsize/(xmax-xmin);\
5576
 var y_step_px = ysize/(ymax-ymin);\
5577
 var xv1 = dx1*x_step_px;\
5578
 var yv1 = dy1*y_step_px;\
5579
 var xv2 = dx2*x_step_px;\
5580
 var yv2 = dy2*y_step_px;\
5581
 for(var p = 0; p < n1 ;p++){\
5582
  x = p*xv1 + x0;\
5583
  y = p*yv1 + y0;\
5584
  for(var c = 0; c < n2 ; c++){\
5585
   ctx.beginPath();\
5586
   ctx.arc(x+c*xv2,y+c*yv2,radius,0,2*Math.PI,false);\
5587
   ctx.fill();\
5588
   ctx.stroke();\
5589
   ctx.closePath();\
5590
  };\
5591
 };\
5592
 ctx.restore();\
5593
 return;\
7653 schaersvoo 5594
};",canvas_root_id,canvas_root_id,canvas_root_id);
7614 schaersvoo 5595
    break;
7735 schaersvoo 5596
case DRAW_XYLOGSCALE:
5597
fprintf(js_include_file,"\n<!-- draw xylogscale -->\n\
7779 schaersvoo 5598
draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,precision){\n\
7735 schaersvoo 5599
 var obj;\n\
5600
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
5601
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
5602
 }\n\
5603
 else\n\
5604
 {\n\
5605
  obj = create_canvas%d(canvas_type,xsize,ysize);\n\
5606
 };\n\
5607
 var ctx = obj.getContext(\"2d\");\n\
5608
 ctx.clearRect(0,0,xsize,ysize);\
5609
 ctx.save();\n\
7739 schaersvoo 5610
 var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
5611
 var x_min = Math.log(xmin)/Math.log(xlogbase);\n\
5612
 var x_max = Math.log(xmax)/Math.log(xlogbase);\n\
5613
 var y_min = Math.log(ymin)/Math.log(ylogbase);\n\
5614
 var y_max = Math.log(ymax)/Math.log(ylogbase);\n\
5615
 if(use_axis_numbering == 1){\
5616
  ctx.font = font_family;\n\
5617
  xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\n\
5618
  ymarge = parseInt(1.5*font_size);\n\
5619
  ctx.save();\n\
5620
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
5621
  ctx.rect(0,0,xmarge,ysize);\n\
5622
  ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
5623
  ctx.fill();\n\
5624
  ctx.restore();\n\
5625
 }else{xmarge = 0;ymarge = 0;};\n\
7735 schaersvoo 5626
 if( typeof xaxislabel !== 'undefined' ){\
7739 schaersvoo 5627
  ctx.save();\n\
5628
  ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
5629
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5630
  corr =  ctx.measureText(xaxislabel).width;\n\
5631
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\n\
5632
  ctx.restore();\n\
5633
 };\n\
7735 schaersvoo 5634
 if( typeof yaxislabel !== 'undefined' ){\
7739 schaersvoo 5635
  ctx.save();\n\
5636
  ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
5637
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5638
  corr = ctx.measureText(yaxislabel).width;\n\
5639
  ctx.translate(xmarge+font_size,corr+font_size);\n\
5640
  ctx.rotate(-0.5*Math.PI);\n\
5641
  ctx.fillText(yaxislabel,0,0);\n\
5642
  ctx.restore();\n\
5643
 };\n\
5644
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5645
 ctx.lineWidth = line_width;\n\n\
7735 schaersvoo 5646
 for(var p = x_min; p <= x_max ; p++){\n\
7739 schaersvoo 5647
  num = Math.pow(xlogbase,p);\n\n\
7735 schaersvoo 5648
  for(var i = 1 ; i < xlogbase ; i++){\n\
7739 schaersvoo 5649
   x_e = x2px(i*num);\n\n\
7735 schaersvoo 5650
   if( i == 1 ){\
7739 schaersvoo 5651
    ctx.lineWidth = line_width;\n\n\
5652
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\n\
7738 schaersvoo 5653
    if( use_axis_numbering == 1 && p > x_min){\
7739 schaersvoo 5654
      xtxt = xlogbase+'^'+p.toFixed(0);\n\
5655
      corr = 0.5*(ctx.measureText(xtxt).width);\n\
5656
      ctx.fillText(xtxt,x_e - corr,ysize - 4);\n\
5657
    };\n\
7735 schaersvoo 5658
   }else{\
7739 schaersvoo 5659
    ctx.lineWidth = 0.2*line_width;\n\n\
5660
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
5661
   };\n\
7738 schaersvoo 5662
   if( x_e >= xmarge ){\
5663
    ctx.beginPath();\n\
5664
    ctx.moveTo(x_e,0);\n\
7739 schaersvoo 5665
    ctx.lineTo(x_e,ysize - ymarge);\n\n\
7738 schaersvoo 5666
    ctx.stroke();\n\
5667
    ctx.closePath();\n\
5668
   };\
7735 schaersvoo 5669
  };\n\
5670
 };\n\
5671
 for(var p = y_min; p <= y_max ; p++){\n\
5672
  num = Math.pow(ylogbase,p);\n\
5673
  for(var i = 1 ; i < ylogbase ; i++){\n\
5674
   y_e = y2px(i*num);\n\
7739 schaersvoo 5675
   if( i == 1 ){\n\
7735 schaersvoo 5676
    ctx.lineWidth = line_width;\n\
5677
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739 schaersvoo 5678
    if( use_axis_numbering == 1 && p > y_min){\n\
5679
     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\n\
5680
    };\n\
5681
   }else{\n\
7735 schaersvoo 5682
    ctx.lineWidth = 0.2*line_width;\n\
7739 schaersvoo 5683
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\n\
5684
   };\n\
7735 schaersvoo 5685
   ctx.beginPath();\n\
7738 schaersvoo 5686
   ctx.moveTo(xmarge,y_e);\n\
7735 schaersvoo 5687
   ctx.lineTo(xsize,y_e);\n\
5688
   ctx.stroke();\n\
5689
   ctx.closePath();\n\
5690
  };\n\
5691
 };\n\
5692
 ctx.restore();\
5693
};",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
5694
    break;
7614 schaersvoo 5695
 
7735 schaersvoo 5696
case DRAW_XLOGSCALE:
5697
fprintf(js_include_file,"\n<!-- draw xlogscale -->\n\
7779 schaersvoo 5698
draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,ymajor,yminor,precision){\n\
7735 schaersvoo 5699
 var obj;\n\
5700
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
5701
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
5702
 }\n\
5703
 else\n\
5704
 {\n\
5705
  obj = create_canvas%d(canvas_type,xsize,ysize);\n\
5706
 };\n\
5707
 var ctx = obj.getContext(\"2d\");\n\
5708
 ctx.clearRect(0,0,xsize,ysize);\
5709
 ctx.save();\n\
5710
 ctx.lineWidth = line_width;\n\
7739 schaersvoo 5711
 var prec = Math.log(precision)/Math.log(10);\
7735 schaersvoo 5712
 var x_min = Math.log(xmin)/Math.log(xlogbase);\
5713
 var x_max = Math.log(xmax)/Math.log(xlogbase);\
5714
 var y_min = 0;var y_max = ysize;var x_e;var corr;\
7739 schaersvoo 5715
 var xtxt;var ytxt;var num;var xmarge;var ymarge;\
5716
 if(use_axis_numbering == 1){\
5717
  ctx.font = font_family;\n\
5718
  xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\n\
5719
  ymarge = parseInt(1.5*font_size);\n\
5720
  ctx.save();\n\
5721
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
5722
  ctx.rect(0,0,xmarge,ysize);\n\
5723
  ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
5724
  ctx.fill();\n\
5725
  ctx.restore();\n\
5726
 }else{xmarge = 0;ymarge = 0;};\n\
5727
 if( typeof xaxislabel !== 'undefined' ){\
5728
  ctx.save();\n\
5729
  ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
5730
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5731
  corr =  ctx.measureText(xaxislabel).width;\n\
5732
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\n\
5733
  ctx.restore();\n\
5734
 };\n\
5735
 if( typeof yaxislabel !== 'undefined' ){\
5736
  ctx.save();\n\
5737
  ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
5738
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5739
  corr = ctx.measureText(yaxislabel).width;\n\
5740
  ctx.translate(xmarge+font_size,corr+font_size);\n\
5741
  ctx.rotate(-0.5*Math.PI);\n\
5742
  ctx.fillText(yaxislabel,0,0);\n\
5743
  ctx.restore();\n\
5744
 };\n\
5745
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5746
 ctx.lineWidth = line_width;\n\n\
7735 schaersvoo 5747
 for(var p = x_min; p <= x_max ; p++){\n\
5748
  num = Math.pow(xlogbase,p);\n\
5749
  for(var i = 1 ; i < xlogbase ; i++){\n\
5750
   x_e = x2px(i*num);\n\
5751
   if( i == 1 ){\
7739 schaersvoo 5752
     ctx.lineWidth = line_width;\n\
5753
     ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
5754
    if( use_axis_numbering == 1 && p > x_min ){\
7735 schaersvoo 5755
      xtxt = xlogbase+'^'+p.toFixed(0);\
5756
      corr = 0.5*(ctx.measureText(xtxt).width);\
5757
      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
5758
    };\
5759
   }else{\
5760
    ctx.lineWidth = 0.2*line_width;\n\
5761
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
5762
   };\
7739 schaersvoo 5763
   if( x_e >= xmarge ){\
5764
    ctx.beginPath();\n\
5765
    ctx.moveTo(x_e,0);\n\
5766
    ctx.lineTo(x_e,ysize - ymarge);\n\n\
5767
    ctx.stroke();\n\
5768
    ctx.closePath();\n\
5769
   };\
5770
  };\
7735 schaersvoo 5771
 };\n\
5772
 var stepy = Math.abs(y2px(ymajor) - y2px(0));\
5773
 var minor_step = stepy / yminor;\
7749 schaersvoo 5774
 for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
7735 schaersvoo 5775
  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
5776
  ctx.lineWidth = line_width;\n\
5777
  ctx.beginPath();\n\
7739 schaersvoo 5778
  ctx.moveTo(xmarge,y);\n\
7735 schaersvoo 5779
  ctx.lineTo(xsize,y);\n\
5780
  ctx.stroke();\n\
5781
  ctx.closePath();\n\
5782
  if( use_axis_numbering == 1){\
5783
   ytxt = (px2y(y)).toFixed(prec);\
5784
   ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
5785
  };\
5786
  for(var dy = 1 ; dy < yminor ; dy++){\
5787
   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
5788
   ctx.lineWidth = 0.2*line_width;\n\
5789
   ctx.beginPath();\n\
7739 schaersvoo 5790
   ctx.moveTo(xmarge,y+dy*minor_step);\
7735 schaersvoo 5791
   ctx.lineTo(xsize,y+dy*minor_step);\n\
5792
   ctx.stroke();\n\
5793
   ctx.closePath();\n\
5794
  };\
5795
 };\
5796
 ctx.restore();\n\
5797
};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
5798
    break;
7729 schaersvoo 5799
case DRAW_YLOGSCALE:
5800
fprintf(js_include_file,"\n<!-- draw ylogscale -->\n\
7779 schaersvoo 5801
draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,xmajor,xminor,precision){\n\
7729 schaersvoo 5802
 var obj;\n\
5803
 if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\n\
5804
  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\n\
5805
 }\n\
5806
 else\n\
5807
 {\n\
5808
  obj = create_canvas%d(canvas_type,xsize,ysize);\n\
5809
 };\n\
5810
 var ctx = obj.getContext(\"2d\");\n\
5811
 ctx.clearRect(0,0,xsize,ysize);\
5812
 ctx.save();\n\
5813
 ctx.lineWidth = line_width;\n\
7735 schaersvoo 5814
 var y_min = Math.log(ymin)/Math.log(ylogbase);\
5815
 var y_max = Math.log(ymax)/Math.log(ylogbase);\
5816
 var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;\
7739 schaersvoo 5817
 if(use_axis_numbering == 1){\
5818
  ctx.font = font_family;\n\
5819
  xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\n\
5820
  ymarge = 2*font_size;\n\
5821
  ctx.save();\n\
5822
  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\n\
5823
  ctx.rect(0,0,xmarge,ysize);\n\
5824
  ctx.rect(0,ysize-ymarge,xsize,ysize);\n\
5825
  ctx.fill();\n\
5826
  ctx.restore();\n\
5827
 }else{xmarge = 0;ymarge = 0;};\n\
5828
 if( typeof xaxislabel !== 'undefined' ){\
5829
  ctx.save();\n\
5830
  ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
5831
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5832
  corr =  ctx.measureText(xaxislabel).width;\n\
5833
  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\n\
5834
  ctx.restore();\n\
5835
 };\n\
5836
 if( typeof yaxislabel !== 'undefined' ){\
5837
  ctx.save();\n\
5838
  ctx.font = \"italic \"+font_size+\"px Ariel\";\n\
5839
  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5840
  corr = ctx.measureText(yaxislabel).width;\n\
5841
  ctx.translate(xmarge+font_size,corr+font_size);\n\
5842
  ctx.rotate(-0.5*Math.PI);\n\
5843
  ctx.fillText(yaxislabel,0,0);\n\
5844
  ctx.restore();\n\
5845
 };\n\
5846
 ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\n\
5847
 ctx.lineWidth = line_width;\n\n\
7729 schaersvoo 5848
 for(var p = y_min; p <= y_max ; p++){\n\
7735 schaersvoo 5849
  num = Math.pow(ylogbase,p);\n\
5850
  for(var i = 1 ; i < ylogbase ; i++){\n\
7729 schaersvoo 5851
   y_e = y2px(i*num);\n\
5852
   if( i == 1 ){\
5853
    ctx.lineWidth = line_width;\n\
5854
    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
7739 schaersvoo 5855
    if( use_axis_numbering == 1 && p > y_min){\
7735 schaersvoo 5856
     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
7729 schaersvoo 5857
    };\
5858
   }else{\
5859
    ctx.lineWidth = 0.2*line_width;\n\
5860
    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
5861
   };\
5862
   ctx.beginPath();\n\
7739 schaersvoo 5863
   ctx.moveTo(xmarge,y_e);\n\
7735 schaersvoo 5864
   ctx.lineTo(xsize,y_e);\n\
7729 schaersvoo 5865
   ctx.stroke();\n\
5866
   ctx.closePath();\n\
5867
  };\n\
5868
 };\n\
5869
 var stepx = Math.abs(x2px(xmajor) - x2px(0));\
5870
 var minor_step = stepx / xminor;\
5871
 var prec = Math.log(precision)/Math.log(10);\
5872
 var xtxt;var corr;var flip = 0;\
7749 schaersvoo 5873
 for(var x = stepx ; x < xsize ; x = x + stepx){\
7729 schaersvoo 5874
  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
5875
  ctx.lineWidth = line_width;\n\
5876
  ctx.beginPath();\n\
7739 schaersvoo 5877
  ctx.moveTo(x,ysize-ymarge);\n\
7729 schaersvoo 5878
  ctx.lineTo(x,0);\n\
5879
  ctx.stroke();\n\
5880
  ctx.closePath();\n\
5881
  if( use_axis_numbering == 1){\
5882
   xtxt = (px2x(x)).toFixed(prec);\
5883
   corr = 0.5*(ctx.measureText(xtxt).width);\
5884
   if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
5885
   flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
5886
  };\
5887
  for(var dx = 1 ; dx < xminor ; dx++){\
5888
   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
5889
   ctx.lineWidth = 0.2*line_width;\n\
5890
   ctx.beginPath();\n\
7739 schaersvoo 5891
   ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
7729 schaersvoo 5892
   ctx.lineTo(x+dx*minor_step,0);\n\
5893
   ctx.stroke();\n\
5894
   ctx.closePath();\n\
7735 schaersvoo 5895
  };\
5896
 };\
7729 schaersvoo 5897
 ctx.restore();\n\
5898
};\n",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
5899
 
5900
    break;
7735 schaersvoo 5901
 
5902
 
7614 schaersvoo 5903
    default:break;
5904
   }
5905
  }
5906
 }
5907
  return;
5908
}
5909
 
5910
void check_string_length(int L){
5911
 if(L<1 || L > MAX_BUFFER-1){
5912
  canvas_error("problem with your arguments to command...");
5913
 }
5914
 return;
5915
}
5916
 
5917
 
5918
int get_token(FILE *infile){
5919
        int     c,i=0;
5920
        char    temp[MAX_INT], *input_type;
5921
        char    *line="line",
5922
        *audio="audio",
5923
        *blink="blink",
5924
        *arrowhead="arrowhead",
5925
        *crosshairsize="crosshairsize",
5926
        *crosshair="crosshair",
5927
        *crosshairs="crosshairs",
5928
        *audioobject="audioobject",
5929
        *style="style",
5930
        *mouse="mouse",
5931
        *userdraw="userdraw",
5932
        *highlight="highlight",
5933
        *http="http",
5934
        *rays="rays",
5935
        *dashtype="dashtype",
5936
        *dashed="dashed",
5937
        *filled="filled",
5938
        *lattice="lattice",
5939
        *parallel="parallel",
5940
        *segment="segment",
5941
        *dsegment="dsegment",
5942
        *seg="seg",
5943
        *bgimage="bgimage",
5944
        *bgcolor="bgcolor",
5945
        *strokecolor="strokecolor",
5946
        *backgroundimage="backgroundimage",
5947
        *text="text",
5948
        *textup="textup",
5949
        *mouseprecision="mouseprecision",
5950
        *precision="precision",
5951
        *plotsteps="plotsteps",
5952
        *plotstep="plotstep",
5953
        *tsteps="tsteps",
5954
        *curve="curve",
5955
        *dcurve="dcurve",
5956
        *plot="plot",
5957
        *dplot="dplot",
7788 schaersvoo 5958
        *levelcurve="levelcurve",
7614 schaersvoo 5959
        *fontsize="fontsize",
5960
        *fontcolor="fontcolor",
5961
        *axis="axis",
5962
        *axisnumbering="axisnumbering",
5963
        *axisnumbers="axisnumbers",
5964
        *arrow="arrow",
5965
        *darrow="darrow",
5966
        *arrow2="arrow2",
5967
        *darrow2="darrow2",
5968
        *zoom="zoom",
5969
        *grid="grid",
5970
        *hline="hline",
7786 schaersvoo 5971
        *dhline="dhline",
7614 schaersvoo 5972
        *drag="drag",
5973
        *horizontalline="horizontalline",
5974
        *vline="vline",
7786 schaersvoo 5975
        *dvline="dvline",
7614 schaersvoo 5976
        *verticalline="verticalline",
5977
        *triangle="triangle",
5978
        *ftriangle="ftriangle",
5979
        *mathml="mathml",
5980
        *html="html",
5981
        *input="input",
5982
        *button="button",
5983
        *inputstyle="inputstyle",
5984
        *textarea="textarea",
5985
        *trange="trange",
5986
        *ranget="ranget",
5987
        *xrange="xrange",
5988
        *yrange="yrange",
5989
        *rangex="rangex",
5990
        *rangey="rangey",
5991
        *polyline="polyline",
5992
        *lines="lines",
5993
        *poly="poly",
5994
        *polygon="polygon",
5995
        *fpolygon="fpolygon",
5996
        *fpoly="fpoly",
5997
        *filledpoly="filledpoly",
5998
        *filledpolygon="filledpolygon",
5999
        *rect="rect",
6000
        *frect="frect",
6001
        *rectangle="rectangle",
6002
        *frectangle="frectangle",
6003
        *square="square",
6004
        *fsquare="fsquare",
6005
        *dline="dline",
6006
        *arc="arc",
6007
        *filledarc="filledarc",
6008
        *size="size",
6009
        *string="string",
6010
        *stringup="stringup",
6011
        *copy="copy",
6012
        *copyresized="copyresized",
6013
        *opacity="opacity",
6014
        *transparent="transparent",
6015
        *fill="fill",
6016
        *slider="slider",
6017
        *point="point",
6018
        *points="points",
6019
        *linewidth="linewidth",
6020
        *circle="circle",
6021
        *fcircle="fcircle",
6022
        *disk="disk",
6023
        *comment="#",
6024
        *end="end",
6025
        *ellipse="ellipse",
6026
        *fellipse="fellipse",
6027
        *rotate="rotate",
7785 schaersvoo 6028
        *affine="affine",
6029
        *killaffine="killaffine",
7614 schaersvoo 6030
        *fontfamily="fontfamily",
6031
        *fillcolor="fillcolor",
6032
        *clicktile="clicktile",
6033
        *clicktile_colors="clicktile_colors",
6034
        *translation="translation",
6035
        *translate="translate",
6036
        *killtranslation="killtranslation",
6037
        *killtranslate="killtranslate",
6038
        *onclick="onclick",
6039
        *roundrect="roundrect",
6040
        *froundrect="froundrect",
6041
        *roundrectangle="roundrectangle",
6042
        *patternfill="patternfill",
6043
        *hatchfill="hatchfill",
6044
        *diafill="diafill",
7647 schaersvoo 6045
        *diamondfill="diamondfill",
7614 schaersvoo 6046
        *dotfill="dotfill",
6047
        *gridfill="gridfill",
6048
        *imagefill="imagefill",
7735 schaersvoo 6049
        *xlogbase="xlogbase",
6050
        *ylogbase="ylogbase",
7614 schaersvoo 6051
        *xlogscale="xlogscale",
6052
        *ylogscale="ylogscale",
6053
        *xylogscale="xylogscale",
6054
        *intooltip="intooltip",
6055
        *replyformat="replyformat",
6056
        *floodfill="floodfill",
6057
        *filltoborder="filltoborder",
6058
        *clickfill="clickfill",
6059
        *setpixel="setpixel",
6060
        *pixels="pixels",
6061
        *pixelsize="pixelsize",
6062
        *clickfillmarge="clickfillmarge",
6063
        *xaxis="xaxis",
6064
        *yaxis="yaxis",
6065
        *xaxistext="xaxistext",
6066
        *yaxistext="yaxistext",
6067
        *piechart="piechart",
6068
        *legend="legend",
6069
        *legendcolors="legendcolors",
6070
        *xlabel="xlabel",
6071
        *ylabel="ylabel",
6072
        *barchart="barchart",
6073
        *linegraph="linegraph",
6074
        *clock="clock",
6075
        *animate="animate",
6076
        *video="video",
6077
        *status="status",
7652 schaersvoo 6078
        *snaptogrid="snaptogrid",
7784 schaersvoo 6079
        *xsnaptogrid="xsnaptogrid",
6080
        *ysnaptogrid="ysnaptogrid",
7654 schaersvoo 6081
        *userinput_xy="userinput_xy",
7663 schaersvoo 6082
        *usertextarea_xy="usertextarea_xy",
7654 schaersvoo 6083
        *sgraph="sgraph";
7614 schaersvoo 6084
 
6085
        while(((c = getc(infile)) != EOF)&&(c!='\n')&&(c!=',')&&(c!='=')&&(c!='\r')){
6086
            if( i == 0 && (c == ' ' || c == '\t') ){
6087
        continue; /* white spaces or tabs allowed before first command identifier */
6088
            }
6089
            else
6090
            {
6091
        if( c == ' ' || c == '\t' ){
6092
            break;
6093
        }
6094
        else
6095
        {
6096
            temp[i] = c;
6097
            if(i > MAX_INT - 2){canvas_error("command string too long !");}
6098
            i++;
6099
        }
6100
            }
6101
            if(temp[0] == '#') break;
6102
        }
6103
        if (c == EOF) finished = 1;
6104
 
6105
        if (c == '\n' || c == '\r') {
6106
        line_number++;
6107
        if (i == 0) { return EMPTY; }
6108
        } else if (c == EOF) {
6109
        return 0;
6110
        }
6111
 
6112
        temp[i]='\0';
6113
        input_type=(char*)my_newmem(strlen(temp));
6114
        snprintf(input_type,sizeof(temp),"%s",temp);
6115
 
6116
        if( strcmp(input_type, size) == 0 ){
6117
        free(input_type);
6118
        return SIZE;
6119
        }
6120
        if( strcmp(input_type, xrange) == 0 ){
6121
        free(input_type);
6122
        return XRANGE;
6123
        }
6124
        if( strcmp(input_type, rangex) == 0 ){
6125
        free(input_type);
6126
        return XRANGE;
6127
        }
6128
        if( strcmp(input_type, trange) == 0 ){
6129
        free(input_type);
6130
        return TRANGE;
6131
        }
6132
        if( strcmp(input_type, ranget) == 0 ){
6133
        free(input_type);
6134
        return TRANGE;
6135
        }
6136
        if( strcmp(input_type, yrange) == 0 ){
6137
        free(input_type);
6138
        return YRANGE;
6139
        }
6140
        if( strcmp(input_type, rangey) == 0 ){
6141
        free(input_type);
6142
        return YRANGE;
6143
        }
6144
        if( strcmp(input_type, linewidth) == 0 ){
6145
        free(input_type);
6146
        return LINEWIDTH;
6147
        }
6148
        if( strcmp(input_type, dashed) == 0 ){
6149
        free(input_type);
6150
        return DASHED;
6151
        }
6152
        if( strcmp(input_type, dashtype) == 0 ){
6153
        free(input_type);
6154
        return DASHTYPE;
6155
        }
6156
        if( strcmp(input_type, axisnumbering) == 0 ){
6157
        free(input_type);
6158
        return AXIS_NUMBERING;
6159
        }
6160
        if( strcmp(input_type, axisnumbers) == 0 ){
6161
        free(input_type);
6162
        return AXIS_NUMBERING;
6163
        }
6164
        if( strcmp(input_type, axis) == 0 ){
6165
        free(input_type);
6166
        return AXIS;
6167
        }
6168
        if( strcmp(input_type, grid) == 0 ){
6169
        free(input_type);
6170
        return GRID;
6171
        }
6172
        if( strcmp(input_type, parallel) == 0 ){
6173
        free(input_type);
6174
        return PARALLEL;
6175
        }
6176
        if( strcmp(input_type, hline) == 0 ||  strcmp(input_type, horizontalline) == 0 ){
6177
        free(input_type);
6178
        return HLINE;
6179
        }
6180
        if( strcmp(input_type, vline) == 0 ||  strcmp(input_type, verticalline) == 0 ){
6181
        free(input_type);
6182
        return VLINE;
6183
        }
6184
        if( strcmp(input_type, line) == 0 ){
6185
        free(input_type);
6186
        return LINE;
6187
        }
6188
        if( strcmp(input_type, seg) == 0 ||  strcmp(input_type, segment) == 0 ){
6189
        free(input_type);
6190
        return SEGMENT;
6191
        }
6192
        if( strcmp(input_type, dsegment) == 0 ){
6193
        free(input_type);
6194
        use_dashed = TRUE;
6195
        return SEGMENT;
6196
        }
6197
        if( strcmp(input_type, crosshairsize) == 0 ){
6198
        free(input_type);
6199
        return CROSSHAIRSIZE;
6200
        }
6201
        if( strcmp(input_type, arrowhead) == 0 ){
6202
        free(input_type);
6203
        return ARROWHEAD;
6204
        }
6205
        if( strcmp(input_type, crosshairs) == 0 ){
6206
        free(input_type);
6207
        return CROSSHAIRS;
6208
        }
6209
        if( strcmp(input_type, crosshair) == 0 ){
6210
        free(input_type);
6211
        return CROSSHAIR;
6212
        }
6213
        if( strcmp(input_type, onclick) == 0 ){
6214
        free(input_type);
6215
        return ONCLICK;
6216
        }
6217
        if( strcmp(input_type, drag) == 0 ){
6218
        free(input_type);
6219
        return DRAG;
6220
        }
6221
        if( strcmp(input_type, userdraw) == 0 ){
6222
        free(input_type);
6223
        return USERDRAW;
6224
        }
6225
        if( strcmp(input_type, highlight) == 0 || strcmp(input_type, style) == 0 ){
6226
        free(input_type);
6227
        return STYLE;
6228
        }
6229
        if( strcmp(input_type, fillcolor) == 0 ){
6230
        free(input_type);
6231
        return FILLCOLOR;
6232
        }
6233
        if( strcmp(input_type, strokecolor) == 0 ){
6234
        free(input_type);
6235
        return STROKECOLOR;
6236
        }
6237
        if( strcmp(input_type, filled) == 0  ){
6238
        free(input_type);
6239
        return FILLED;
6240
        }
6241
        if( strcmp(input_type, http) == 0 ){
6242
        free(input_type);
6243
        return HTTP;
6244
        }
6245
        if( strcmp(input_type, rays) == 0 ){
6246
        free(input_type);
6247
        return RAYS;
6248
        }
6249
        if( strcmp(input_type, lattice) == 0 ){
6250
        free(input_type);
6251
        return LATTICE;
6252
        }
6253
        if( strcmp(input_type, bgimage) == 0 ){
6254
        free(input_type);
6255
        return BGIMAGE;
6256
        }
6257
        if( strcmp(input_type, bgcolor) == 0 ){
6258
        free(input_type);
6259
        return BGCOLOR;
6260
        }
6261
        if( strcmp(input_type, backgroundimage) == 0 ){
6262
        free(input_type);
6263
        return BGIMAGE;
6264
        }
6265
        if( strcmp(input_type, text) == 0 ){
6266
        free(input_type);
6267
        return FLY_TEXT;
6268
        }
6269
        if( strcmp(input_type, textup) == 0 ){
6270
        free(input_type);
6271
        return FLY_TEXTUP;
6272
        }
6273
        if( strcmp(input_type, mouse) == 0 ){
6274
        free(input_type);
6275
        return MOUSE;
6276
        }
6277
        if( strcmp(input_type, mouseprecision) == 0 ){
6278
        free(input_type);
6279
        return MOUSE_PRECISION;
6280
        }
6281
        if( strcmp(input_type, precision) == 0 ){
6282
        free(input_type);
6283
        return MOUSE_PRECISION;
6284
        }
6285
        if( strcmp(input_type, curve) == 0 ){
6286
        free(input_type);
6287
        return CURVE;
6288
        }
6289
        if( strcmp(input_type, dcurve) == 0 ){
7788 schaersvoo 6290
        use_dashed = TRUE;
7614 schaersvoo 6291
        free(input_type);
6292
        return CURVE;
6293
        }
6294
        if( strcmp(input_type, plot) == 0 ){
6295
        free(input_type);
6296
        return CURVE;
6297
        }
6298
        if( strcmp(input_type, dplot) == 0 ){
7788 schaersvoo 6299
        use_dashed = TRUE;
7614 schaersvoo 6300
        free(input_type);
6301
        return CURVE;
6302
        }
7788 schaersvoo 6303
        if( strcmp(input_type, levelcurve) == 0 ){
6304
        free(input_type);
6305
        return LEVELCURVE;
6306
        }
7614 schaersvoo 6307
        if( strcmp(input_type, plotsteps) == 0 ){
6308
        free(input_type);
6309
        return PLOTSTEPS;
6310
        }
6311
        if( strcmp(input_type, plotstep) == 0 ){
6312
        free(input_type);
6313
        return PLOTSTEPS;
6314
        }
6315
        if( strcmp(input_type, tsteps) == 0 ){
6316
        free(input_type);
6317
        return PLOTSTEPS;
6318
        }
6319
        if( strcmp(input_type, fontsize) == 0 ){
6320
        free(input_type);
6321
        return FONTSIZE;
6322
        }
6323
        if( strcmp(input_type, fontcolor) == 0 ){
6324
        free(input_type);
6325
        return FONTCOLOR;
6326
        }
6327
        if( strcmp(input_type, arrow) == 0 ){
6328
        free(input_type);
6329
        return ARROW;
6330
        }
6331
        if( strcmp(input_type, arrow2) == 0 ){
6332
        free(input_type);
6333
        return ARROW2;
6334
        }
6335
        if( strcmp(input_type, darrow) == 0 ){
6336
        free(input_type);
6337
        return ARROW;
6338
        }
6339
        if( strcmp(input_type, darrow2) == 0 ){
6340
        free(input_type);
6341
        use_dashed = TRUE;
6342
        return ARROW2;
6343
        }
6344
        if( strcmp(input_type, zoom) == 0 ){
6345
        free(input_type);
6346
        return ZOOM;
6347
        }
6348
        if( strcmp(input_type, triangle) == 0 ){
6349
        free(input_type);
6350
        return TRIANGLE;
6351
        }
6352
        if( strcmp(input_type, ftriangle) == 0 ){
6353
        free(input_type);
6354
        use_filled = TRUE;
6355
        return TRIANGLE;
6356
        }
6357
        if( strcmp(input_type, input) == 0 ){
6358
        free(input_type);
6359
        return INPUT;
6360
        }
6361
        if( strcmp(input_type, inputstyle) == 0 ){
6362
        free(input_type);
6363
        return INPUTSTYLE;
6364
        }
6365
        if( strcmp(input_type, textarea) == 0 ){
6366
        free(input_type);
6367
        return TEXTAREA;
6368
        }
6369
        if( strcmp(input_type, mathml) == 0 ){
6370
        free(input_type);
6371
        return MATHML;
6372
        }
6373
        if( strcmp(input_type, html) == 0 ){
6374
        free(input_type);
6375
        return MATHML;
6376
        }
6377
        if( strcmp(input_type, fontfamily) == 0 ){
6378
        free(input_type);
6379
        return FONTFAMILY;
6380
        }
6381
        if( strcmp(input_type, lines) == 0  ||  strcmp(input_type, polyline) == 0 ){
6382
        free(input_type);
6383
        return POLYLINE;
6384
        }
6385
        if( strcmp(input_type, rect) == 0  ||  strcmp(input_type, rectangle) == 0 ){
6386
        free(input_type);
6387
        return RECT;
6388
        }
6389
        if( strcmp(input_type, roundrect) == 0  ||  strcmp(input_type, roundrectangle) == 0 ){
6390
        free(input_type);
6391
        return ROUNDRECT;
6392
        }
6393
        if( strcmp(input_type, froundrect) == 0 ){
6394
        free(input_type);
6395
        use_filled = TRUE;
6396
        return ROUNDRECT;
6397
        }
6398
        if( strcmp(input_type, square) == 0 ){
6399
        free(input_type);
6400
        return SQUARE;
6401
        }
6402
        if( strcmp(input_type, fsquare) == 0 ){
6403
        free(input_type);
6404
        use_filled = TRUE;
6405
        return SQUARE;
6406
        }
6407
        if( strcmp(input_type, dline) == 0 ){
6408
        use_dashed = TRUE;
6409
        free(input_type);
6410
        return LINE;
6411
        }
7786 schaersvoo 6412
        if( strcmp(input_type, dvline) == 0 ){
6413
        use_dashed = TRUE;
6414
        free(input_type);
6415
        return VLINE;
6416
        }
6417
        if( strcmp(input_type, dhline) == 0 ){
6418
        use_dashed = TRUE;
6419
        free(input_type);
6420
        return HLINE;
6421
        }
7614 schaersvoo 6422
        if( strcmp(input_type, frect) == 0 || strcmp(input_type, frectangle) == 0 ){
6423
        use_filled = TRUE;
6424
        free(input_type);
6425
        return RECT;
6426
        }
6427
        if( strcmp(input_type, fcircle) == 0  ||  strcmp(input_type, disk) == 0 ){
6428
        use_filled = TRUE;
6429
        free(input_type);
6430
        return CIRCLE;
6431
        }
6432
        if( strcmp(input_type, circle) == 0 ){
6433
        free(input_type);
6434
        return CIRCLE;
6435
        }
6436
        if( strcmp(input_type, point) == 0 ){
6437
        free(input_type);
6438
        return POINT;
6439
        }
6440
        if( strcmp(input_type, points) == 0 ){
6441
        free(input_type);
6442
        return POINTS;
6443
        }
6444
        if( strcmp(input_type, filledarc) == 0 ){
6445
        use_filled = TRUE;
6446
        free(input_type);
6447
        return ARC;
6448
        }
6449
        if( strcmp(input_type, arc) == 0 ){
6450
        free(input_type);
6451
        return ARC;
6452
        }
6453
        if( strcmp(input_type, poly) == 0 ||  strcmp(input_type, polygon) == 0 ){
6454
        free(input_type);
6455
        return POLY;
6456
        }
6457
        if( strcmp(input_type, fpoly) == 0 ||  strcmp(input_type, filledpoly) == 0 || strcmp(input_type,filledpolygon) == 0  || strcmp(input_type,fpolygon) == 0  ){
6458
        use_filled = TRUE;
6459
        free(input_type);
6460
        return POLY;
6461
        }
6462
        if( strcmp(input_type, ellipse) == 0){
6463
        free(input_type);
6464
        return ELLIPSE;
6465
        }
6466
        if( strcmp(input_type, fill) == 0 ){
6467
        free(input_type);
6468
        return FLOODFILL;
6469
        }
6470
        if( strcmp(input_type, string) == 0 ){
6471
        free(input_type);
6472
        return STRING;
6473
        }
6474
        if( strcmp(input_type, stringup) == 0 ){
6475
        free(input_type);
6476
        return STRINGUP;
6477
        }
6478
        if( strcmp(input_type, opacity) == 0 ){
6479
        free(input_type);
6480
        return OPACITY;
6481
        }
6482
        if( strcmp(input_type, comment) == 0){
6483
        free(input_type);
6484
        return COMMENT;
6485
        }
6486
        if( strcmp(input_type, end) == 0){
6487
        free(input_type);
6488
        return END;
6489
        }
6490
        if( strcmp(input_type, fellipse) == 0){
6491
        free(input_type);
6492
        use_filled = TRUE;
6493
        return ELLIPSE;
6494
        }      
6495
        if( strcmp(input_type, blink) == 0 ){
6496
        free(input_type);
6497
        return BLINK;
6498
        }
6499
        if( strcmp(input_type, button) == 0){
6500
        free(input_type);
6501
        return BUTTON;
6502
        }
6503
        if( strcmp(input_type, translation) == 0 ||  strcmp(input_type, translate) == 0  ){
6504
        free(input_type);
6505
        return TRANSLATION;
6506
        }
6507
        if( strcmp(input_type, killtranslation) == 0 ||  strcmp(input_type, killtranslate) == 0){
6508
        free(input_type);
6509
        return KILLTRANSLATION;
6510
        }
6511
        if( strcmp(input_type, rotate) == 0){
6512
        free(input_type);
6513
        return ROTATE;
6514
        }
7785 schaersvoo 6515
        if( strcmp(input_type, affine) == 0){
6516
        free(input_type);
6517
        return AFFINE;
6518
        }
6519
        if( strcmp(input_type, killaffine) == 0){
6520
        free(input_type);
6521
        return KILLAFFINE;
6522
        }
7614 schaersvoo 6523
        if( strcmp(input_type, audio) == 0 ){
6524
        free(input_type);
6525
        return AUDIO;
6526
        }
6527
        if( strcmp(input_type, audioobject) == 0 ){
6528
        free(input_type);
6529
        return AUDIOOBJECT;
6530
        }
6531
        if( strcmp(input_type, slider) == 0 ){
6532
        free(input_type);
6533
        return SLIDER;
6534
        }
6535
        if( strcmp(input_type, copy) == 0 ){
6536
        free(input_type);
6537
        return COPY;
6538
        }
6539
        if( strcmp(input_type, copyresized) == 0 ){
6540
        free(input_type);
6541
        return COPYRESIZED;
6542
        }
6543
        if( strcmp(input_type, patternfill) == 0 ){
6544
        free(input_type);
6545
        return PATTERNFILL;
6546
        }
6547
        if( strcmp(input_type, hatchfill) == 0 ){
6548
        free(input_type);
6549
        return HATCHFILL;
6550
        }
7647 schaersvoo 6551
        if( strcmp(input_type, diafill) == 0  || strcmp(input_type, diamondfill) == 0  ){
7614 schaersvoo 6552
        free(input_type);
7647 schaersvoo 6553
        return DIAMONDFILL;
7614 schaersvoo 6554
        }
6555
        if( strcmp(input_type, dotfill) == 0 ){
6556
        free(input_type);
6557
        return DOTFILL;
6558
        }
6559
        if( strcmp(input_type, gridfill) == 0 ){
6560
        free(input_type);
6561
        return GRIDFILL;
6562
        }
6563
        if( strcmp(input_type, imagefill) == 0 ){
6564
        free(input_type);
6565
        return IMAGEFILL;
6566
        }
6567
        if( strcmp(input_type, clicktile_colors) == 0 ){
6568
        free(input_type);
6569
        return CLICKTILE_COLORS;
6570
        }
6571
        if( strcmp(input_type, clicktile) == 0 ){
6572
        free(input_type);
6573
        return CLICKTILE;
6574
        }
6575
        if( strcmp(input_type, xlogscale) == 0 ){
6576
        free(input_type);
6577
        return XLOGSCALE;
6578
        }
6579
        if( strcmp(input_type, ylogscale) == 0 ){
6580
        free(input_type);
6581
        return YLOGSCALE;
6582
        }
6583
        if( strcmp(input_type, xylogscale) == 0 ){
6584
        free(input_type);
6585
        return XYLOGSCALE;
6586
        }
6587
        if( strcmp(input_type, ylogscale) == 0 ){
6588
        free(input_type);
6589
        return YLOGSCALE;
6590
        }
7735 schaersvoo 6591
        if( strcmp(input_type, xlogbase) == 0 ){
7614 schaersvoo 6592
        free(input_type);
7735 schaersvoo 6593
        return XLOGBASE;
7614 schaersvoo 6594
        }
7735 schaersvoo 6595
        if( strcmp(input_type, ylogbase) == 0 ){
6596
        free(input_type);
6597
        return YLOGBASE;
6598
        }
7614 schaersvoo 6599
        if( strcmp(input_type, intooltip) == 0 ){
6600
        free(input_type);
6601
        return INTOOLTIP;
6602
        }
6603
        if( strcmp(input_type,video) == 0 ){
6604
        free(input_type);
6605
        return VIDEO;
6606
        }
6607
        if( strcmp(input_type,floodfill) == 0 || strcmp(input_type,fill) == 0 ){
6608
        free(input_type);
6609
        return FLOODFILL;
6610
        }      
6611
        if( strcmp(input_type,filltoborder) == 0 ){
6612
        free(input_type);
6613
        return FILLTOBORDER;
6614
        }      
6615
        if( strcmp(input_type,clickfill) == 0 ){
6616
        free(input_type);
6617
        return CLICKFILL;
6618
        }      
6619
        if( strcmp(input_type, replyformat) == 0 ){
6620
        free(input_type);
6621
        return REPLYFORMAT;
6622
        }
6623
        if( strcmp(input_type, pixelsize) == 0 ){
6624
        free(input_type);
6625
        return PIXELSIZE;
6626
        }
6627
        if( strcmp(input_type, setpixel) == 0 ){
6628
        free(input_type);
6629
        return SETPIXEL;
6630
        }
6631
        if( strcmp(input_type, pixels) == 0 ){
6632
        free(input_type);
6633
        return PIXELS;
6634
        }
6635
        if( strcmp(input_type, clickfillmarge) == 0 ){
6636
        free(input_type);
6637
        return CLICKFILLMARGE;
6638
        }
6639
        if( strcmp(input_type, xaxis) == 0 || strcmp(input_type, xaxistext) == 0 ){
6640
        free(input_type);
6641
        return X_AXIS_STRINGS;
6642
        }
6643
        if( strcmp(input_type, yaxis) == 0  ||  strcmp(input_type, yaxistext) == 0 ){
6644
        free(input_type);
6645
        return Y_AXIS_STRINGS;
6646
        }
6647
        if( strcmp(input_type, piechart) == 0  ){
6648
        free(input_type);
6649
        return PIECHART;
6650
        }
6651
        if( strcmp(input_type, barchart) == 0  ){
6652
        free(input_type);
6653
        return BARCHART;
6654
        }
6655
        if( strcmp(input_type, linegraph) == 0  ){
6656
        free(input_type);
6657
        return LINEGRAPH;
6658
        }
6659
        if( strcmp(input_type, clock) == 0  ){
6660
        free(input_type);
6661
        return CLOCK;
6662
        }
6663
        if( strcmp(input_type, legend) == 0  ){
6664
        free(input_type);
6665
        return LEGEND;
6666
        }
6667
        if( strcmp(input_type, legendcolors) == 0  ){
6668
        free(input_type);
6669
        return LEGENDCOLORS;
6670
        }
6671
        if( strcmp(input_type, xlabel) == 0  ){
6672
        free(input_type);
6673
        return XLABEL;
6674
        }
6675
        if( strcmp(input_type, ylabel) == 0  ){
6676
        free(input_type);
6677
        return YLABEL;
6678
        }
6679
        if( strcmp(input_type, animate) == 0  ){
6680
        free(input_type);
6681
        return ANIMATE;
6682
        }
6683
        /* these are bitmap related flydraw commmands...must be removed. eventually */
6684
        if( strcmp(input_type, transparent) == 0 ){
6685
        free(input_type);
6686
        return TRANSPARENT;
6687
        }
6688
        if( strcmp(input_type, status) == 0 ){
6689
        free(input_type);
6690
        return STATUS;
6691
        }
6692
        if( strcmp(input_type, snaptogrid) == 0 ){
6693
        free(input_type);
6694
        return SNAPTOGRID;
6695
        }
7784 schaersvoo 6696
        if( strcmp(input_type, xsnaptogrid) == 0 ){
6697
        free(input_type);
6698
        return XSNAPTOGRID;
6699
        }
6700
        if( strcmp(input_type, ysnaptogrid) == 0 ){
6701
        free(input_type);
6702
        return YSNAPTOGRID;
6703
        }
7652 schaersvoo 6704
        if( strcmp(input_type, userinput_xy) == 0 ){
7614 schaersvoo 6705
        free(input_type);
7652 schaersvoo 6706
        return USERINPUT_XY;
6707
        }
7663 schaersvoo 6708
        if( strcmp(input_type, usertextarea_xy) == 0 ){
6709
        free(input_type);
6710
        return USERTEXTAREA_XY;
6711
        }
7654 schaersvoo 6712
        if( strcmp(input_type, sgraph) == 0 ){
7652 schaersvoo 6713
        free(input_type);
7654 schaersvoo 6714
        return SGRAPH;
6715
        }
6716
        free(input_type);
7614 schaersvoo 6717
        ungetc(c,infile);
6718
        return 0;
6719
}
6720
 
7729 schaersvoo 6721