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15111 schaersvoo 1
#include "canvasdraw.h"
2
/* used multidraw primitives : identifier in canvasmultidraw.c is index of this array */
3
static char multidraw_primitives[MAX_MULTI_PRIMITIVES][32] = {"point","points","circle","circles",
4
"line","lines","segment","segments",
5
"arrow","arrows","triangle","triangles",
6
"closedpoly","text","rect","rects",
7
"poly","polys","parallelogram","parallelograms",
8
"images","curvedarrow","curvedarrows","curvedarrow2","curvedarrows2",
16827 schaersvoo 9
"crosshair","crosshairs","function","functions"};
15111 schaersvoo 10
/*size of words "point","points",... == 6,7,..*/
16827 schaersvoo 11
static int multidraw_primitives_length[MAX_MULTI_PRIMITIVES] = {6,7,8,7,6,5,9,8,7,6,10,9,11,5,6,5,6,5,15,14,7,14,13,13,12,10,11,9,10};
15111 schaersvoo 12
 
13
void add_js_multidraw(char *draw_types,char *table_css,int use_offset,int no_controls,int crosshair_size,int use_zoom){
14
 int i=0;int p;int found = 0;
15
 size_t L0 = 1 + snprintf(NULL,0,"%s",draw_types);
16
 char *str = my_newmem(L0);snprintf(str,L0,"%s",draw_types);char *array[L0];
17
 int user_nums[MAX_MULTI_PRIMITIVES]; /* we don't know the number of different draw primitives: so assume MAX */
18
 int draw_nums[MAX_MULTI_PRIMITIVES];
19
 for(i=0;i<MAX_MULTI_PRIMITIVES;i++){draw_nums[i] = -1;user_nums[i] = -1;}
20
/* link the user given primitives to the internal indexes of the draw primitives */
21
 int equal = -1; i = 0;
22
 array[i] = strtok(str,",");
23
 int polynum = -1;
24
 char *pp;int safe=0;
25
 while(array[i]!=NULL){
26
  found = 0;
27
  if( strstr(array[i],"poly") != NULL ){/* getting the numerical argument from: poly3...polys9 */
28
   if( strstr(array[i],"closedpoly") == NULL && strstr(array[i],"polygon") == NULL){
29
    pp = array[i];while( *pp ){safe++;
30
    if(safe > MAX_MULTI_PRIMITIVES){break;}
15126 bpr 31
    if( isdigit(*pp) ){ polynum = atoi(pp);if( strstr( array[i],"polys") != NULL ) {array[i] = "polys";}else{ array[i] = "poly";}break;} else { pp++;}
15111 schaersvoo 32
    }
33
   }
34
  }
35
  for( p = 0 ; p < MAX_MULTI_PRIMITIVES; p++){
36
  /* multidraw_primitives defined in canvasdraw.h */
37
   equal = strncmp(multidraw_primitives[p],array[i],multidraw_primitives_length[p]);
15126 bpr 38
   if (equal == 0 ){
15111 schaersvoo 39
/*    fprintf(stdout,"found %s i=%d p=%d<br />",multidraw_primitives[p],i,p);*/
40
    draw_nums[p]= p;user_nums[p] = i;
41
    found=1; break;
42
   }
43
  }
44
  if( found == 0 ){canvas_error("unknown multidraw primitive found...typo?");}
45
  array[++i] = strtok(NULL,",");
46
 }
47
/* multilabel is js-array */
48
 if( no_controls != 1 ){ fprintf(js_include_file,"var inner_html=\"<table class='%s'>\";",table_css); }else{fprintf(js_include_file,"var inner_html = \"\";");}
49
 
50
 /* some default stuff */
51
 fprintf(js_include_file,"\n/* multidraw  */\
52
var canvas_userdraw = create_canvas%d(1000,xsize,ysize);var context_userdraw = canvas_userdraw.getContext(\"2d\");\
53
var multidraw_object_cnt = 0;\
54
var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
55
function multi_snap_check(x,y,snap){switch(snap){case 1:return [snap_to_x(x),snap_to_y(y)];break;case 2:return [snap_to_x(x),y];break;case 3:return [x,snap_to_y(y)];break;case 4:return snap_to_points(x,y);break;default: return [x,y];break;};};\
56
function coord_split(coord){if(coord.indexOf(':') > 0 ){return coord.split(':');}else{if(coord.indexOf(';') > 0 ){return coord.split(';');}else{if(coord.indexOf(',') > 0 ){return coord.split(',');}else{alert(coord+'-- X : Y ');return;};};};};",canvas_root_id,canvas_root_id);
57
 
58
 
59
 
60
if( use_zoom == 1 ){/* only use zoom when command 'zoom color' is given before command 'multidraw' */
61
fprintf(js_include_file,"forbidden_zone = [%d,%d];\
62
function recalculate_multidraw(xmin0,xmax0,ymin0,ymax0){\
63
function scale_xy(type,xy){var tmp_xmin = xmin;var tmp_xmax = xmax;var tmp_ymin = ymin;var tmp_ymax = ymax;xmin=xmin0;xmax=xmax0;ymin=ymin0;ymax=ymax0;if(type == 1 ){for(var p=0;p<xy.length;p++){xy[p] = px2x(xy[p]);};}else{for(var p=0;p<xy.length;p++){xy[p] = px2y(xy[p]);};};xmin = tmp_xmin;ymin = tmp_ymin;xmax = tmp_xmax;ymax = tmp_ymax;if(type == 1){for(var p=0;p<xy.length;p++){xy[p] = x2px(xy[p]);}}else{for(var p=0;p<xy.length;p++){xy[p] = y2px(xy[p]);};};return xy;};\
64
function scale_multi_radius(r){for(var p = 0 ; p < r.length;p++ ){r[p] = zoom_xy[0]/xmin*r[p];};return r;};",xsize-115,ysize - 20);
65
 
15126 bpr 66
 
15111 schaersvoo 67
 for(i=0; i < MAX_MULTI_PRIMITIVES ; i++ ){
68
  switch( draw_nums[i] ){
69
   case -1        : break;
70
   case 0 ... 1   :fprintf(js_include_file,"if( points_x && points_x.length > 0 ){points_x = scale_xy(1,points_x);points_y = scale_xy(1,points_y);draw_points();};");break;
71
   case 2 ... 3   :fprintf(js_include_file,"if( circles_x && circles_x.length > 0 ){circles_x = scale_xy(1,circles_x);circles_y = scale_xy(1,circles_y);multi_radius = scale_multi_radius(multi_radius);draw_circles();};");break;
72
   case 4 ... 5   :fprintf(js_include_file,"if( lines_x && lines_x.length > 0 ){lines_x = scale_xy(1,lines_x);lines_y = scale_xy(2,lines_y);draw_lines();};");break;
73
   case 6 ... 7   :fprintf(js_include_file,"if( segments_x && segments_x.length > 0 ){segments_x = scale_xy(1,segments_x);segments_y = scale_xy(1,segments_y);draw_segments();};");break;
74
   case 8 ... 9   :fprintf(js_include_file,"if( arrows_x && arrows_x.length > 0 ){arrows_x = scale_xy(1,arrows_x);arrows_y = scale_xy(2,arrows_y);draw_arrows();};");break;
75
   case 10 ... 11 :fprintf(js_include_file,"if( triangles_x && triangles_x.length > 0 ){triangles_x = scale_xy(1,triangles_x);triangles_y = scale_xy(2,triangles_y);draw_triangles();};");break;
76
   case 14 ... 15 :fprintf(js_include_file,"if( rects_x && rects_x.length > 0 ){rects_x = scale_xy(1,rects_x);rects_y = scale_xy(2,rects_y);draw_rects();};");break;
77
   case 12        :fprintf(js_include_file,"if( closedpoly_x && closedpoly_x.length > 0 ){closedpoly_x = scale_xy(1,closedpoly_x);closedpoly_y = scale_xy(2,closedpoly_y);draw_closedpoly();};");break;
78
   case 13        :fprintf(js_include_file,"if( text_x && text_x.length > 0 ){text_x = scale_xy(1,text_x);text_y = scale_xy(2,text_y);draw_text();};");break;
79
   case 16 ... 17 :fprintf(js_include_file,"if( polys_x && polys_x.length > 0 ){polys_x = scale_xy(1,polys_x);polys_y = scale_xy(2,polys_y);draw_polys();};");break;
80
   case 18 ... 18 :fprintf(js_include_file,"if( parallelogram_x && parallelogram_x.length > 0 ){parallelogram_x = scale_xy(1,parallelogram_x);parallelogram_y = scale_xy(2,parallelogram_y);draw_parallelogram();};");break;
81
   case 20        :fprintf(js_include_file,"if( images_x && images_x.length > 0 ){images_x = scale_xy(1,images_x);images_y = scale_xy(2,images_y);draw_images();};");break;
82
   case 21 ... 22 :fprintf(js_include_file,"if( curvedarrows_x && curvedarrows_x.length > 0 ){curvedarrows_x = scale_xy(1,curvedarrows_x);curvedarrows_y = scale_xy(2,curvedarrows_y);draw_curvedarrows();};");break;
83
   case 23 ... 24 :fprintf(js_include_file,"if( curvedarrows2_x && curvedarrows2_x.length > 0 ){curvedarrows2_x = scale_xy(1,curvedarrows2_x);curvedarrows2_y = scale_xy(2,curvedarrows2_y);draw_curvedarrows2();};");break;
84
   case 25 ... 26 :fprintf(js_include_file,"if( crosshairs_x && crosshairs_x.length > 0 ){crosshairs_x = scale_xy(1,crosshairs_x);crosshairs_y = scale_xy(1,crosshairs_y);draw_crosshairs();};");break;
16827 schaersvoo 85
   case 27:break;
15111 schaersvoo 86
   default        : break;
87
  }
88
 }
89
 fprintf(js_include_file," return;};");
90
}
91
 /* begin user_draw() */
92
 fprintf(js_include_file,"function user_draw(evt){\
93
 if(evt.button == 3){clear_draw_area%d(userdraw_primitive,0);return;};\
94
 var mouse = getMouse(evt,canvas_userdraw);\
95
 var x = mouse.x;var y = mouse.y;\
15128 schaersvoo 96
 user_is_dragging = false;\
15111 schaersvoo 97
 if(x>forbidden_zone[0] && y>forbidden_zone[1]){console.log('drawing in zoom area...');return;};\
98
 switch(userdraw_primitive){",canvas_root_id);
99
 for(i=0; i < MAX_MULTI_PRIMITIVES ; i++ ){
100
  switch( draw_nums[i] ){
101
   case -1: break;
102
   case 0:fprintf(js_include_file,"case 0: points(x,y,0,0);break;");break;
103
   case 1:fprintf(js_include_file,"case 1: points(x,y,0,1);break;");break;
104
   case 2:fprintf(js_include_file,"case 2: circles(x,y,0,0);break;");break;
105
   case 3:fprintf(js_include_file,"case 3: circles(x,y,0,1);break;");break;
106
   case 4:fprintf(js_include_file,"case 4: lines(x,y,0,0);break;");break;
107
   case 5:fprintf(js_include_file,"case 5: lines(x,y,0,1);break;");break;
108
   case 6:fprintf(js_include_file,"case 6: segments(x,y,0,0);break;");break;
109
   case 7:fprintf(js_include_file,"case 7: segments(x,y,0,1);break;");break;
110
   case 8:fprintf(js_include_file,"case 8: arrows(x,y,0,0);break;");break;
111
   case 9:fprintf(js_include_file,"case 9: arrows(x,y,0,1);break;");break;
112
   case 10:fprintf(js_include_file,"case 10: triangles(x,y,0,0);break;");break;
113
   case 11:fprintf(js_include_file,"case 11: triangles(x,y,0,1);break;");break;
114
   case 12:fprintf(js_include_file,"case 12: closedpoly(x,y,0,0);break;");break;
115
   case 13:fprintf(js_include_file,"case 13: text(x,y,0,1);break;");break;
116
   case 14:fprintf(js_include_file,"case 14: rects(x,y,0,0);break;");break;
117
   case 15:fprintf(js_include_file,"case 15: rects(x,y,0,1);break;");break;
118
   case 16:fprintf(js_include_file,"case 16: polys(x,y,0,0);break;");break;
119
   case 17:fprintf(js_include_file,"case 17: polys(x,y,0,1);break;");break;
120
   case 18:fprintf(js_include_file,"case 18: parallelogram(x,y,0,0);break;");break;
121
   case 19:fprintf(js_include_file,"case 19: parallelogram(x,y,0,1);break;");break;
122
   case 20:fprintf(js_include_file,"case 20: images(x,y,0,1);break;");break;
123
   case 21:fprintf(js_include_file,"case 21: curvedarrows(x,y,0,0);break;");break;
124
   case 22:fprintf(js_include_file,"case 22: curvedarrows(x,y,0,1);break;");break;
125
   case 23:fprintf(js_include_file,"case 23: curvedarrows2(x,y,0,0);break;");break;
126
   case 24:fprintf(js_include_file,"case 24: curvedarrows2(x,y,0,1);break;");break;
127
   case 25:fprintf(js_include_file,"case 25: crosshairs(x,y,0,0);break;");break;
128
   case 26:fprintf(js_include_file,"case 26: crosshairs(x,y,0,1);break;");break;
16827 schaersvoo 129
   case 27:fprintf(js_include_file,"case 27:break;");break;
15111 schaersvoo 130
   default: break;
131
  }
132
 }
133
 fprintf(js_include_file,"default:break;};return;};");
134
 /* end user_draw()*/
135
 
136
/* should we use a fillpattern ? */
137
 
138
 /* begin user_drag() */
139
 fprintf(js_include_file,"function user_drag(evt){\
140
 var mouse = getMouse(evt,canvas_userdraw);\
141
 var x = mouse.x;var y = mouse.y;\
15128 schaersvoo 142
 user_is_dragging = true;\
15111 schaersvoo 143
 if(x>forbidden_zone[0] && y>forbidden_zone[1]){console.log('drawing in zoom area...');return;};\
144
 switch(userdraw_primitive){");
145
 for(i=0; i < MAX_MULTI_PRIMITIVES ; i++ ){
146
  switch( draw_nums[i] ){
147
   case -1: break;
148
   case 0:fprintf(js_include_file,"case 0: break;");break;
149
   case 1:fprintf(js_include_file,"case 1: break;");break;
150
   case 2:fprintf(js_include_file,"case 2: circles(x,y,1,0);break;");break;
151
   case 3:fprintf(js_include_file,"case 3: circles(x,y,1,1);break;");break;
152
   case 4:fprintf(js_include_file,"case 4: lines(x,y,1,0);break;");break;
153
   case 5:fprintf(js_include_file,"case 5: lines(x,y,1,1);break;");break;
154
   case 6:fprintf(js_include_file,"case 6: segments(x,y,1,0);break;");break;
155
   case 7:fprintf(js_include_file,"case 7: segments(x,y,1,1);break;");break;
156
   case 8:fprintf(js_include_file,"case 8: arrows(x,y,1,0);break;");break;
157
   case 9:fprintf(js_include_file,"case 9: arrows(x,y,1,1);break;");break;
158
   case 10:fprintf(js_include_file,"case 10: triangles(x,y,1,0);break;");break;
159
   case 11:fprintf(js_include_file,"case 11: triangles(x,y,1,1);break;");break;
160
   case 12:fprintf(js_include_file,"case 12: closedpoly(x,y,1,0);break;");break;
161
   case 13:fprintf(js_include_file,"case 13: break;");break;
162
   case 14:fprintf(js_include_file,"case 14: rects(x,y,1,0);break;");break;
163
   case 15:fprintf(js_include_file,"case 15: rects(x,y,1,1);break;");break;
164
   case 16:fprintf(js_include_file,"case 16: polys(x,y,1,0);break;");break;
165
   case 17:fprintf(js_include_file,"case 17: polys(x,y,1,1);break;");break;
166
   case 18:fprintf(js_include_file,"case 18: parallelogram(x,y,1,0);break;");break;
167
   case 19:fprintf(js_include_file,"case 19: parallelogram(x,y,1,1);break;");break;
168
   case 20:fprintf(js_include_file,"case 20: images(x,y,1,1);break;");break;
169
   case 21:fprintf(js_include_file,"case 21: curvedarrows(x,y,1,0);break;");break;
170
   case 22:fprintf(js_include_file,"case 22: curvedarrows(x,y,1,1);break;");break;
171
   case 23:fprintf(js_include_file,"case 23: curvedarrows2(x,y,1,0);break;");break;
172
   case 24:fprintf(js_include_file,"case 24: curvedarrows2(x,y,1,1);break;");break;
173
   case 25:fprintf(js_include_file,"case 25: break;");break;
174
   case 26:fprintf(js_include_file,"case 26: break;");break;
16827 schaersvoo 175
   case 27:fprintf(js_include_file,"case 27: break;");break;
15111 schaersvoo 176
   default:break;
177
  }
178
 }
179
 fprintf(js_include_file,"default:break; };return;};");
180
 /* end user_drag() */
15672 schaersvoo 181
/* 17/1/2021 corrected syntax issue signalled by Opera Presto : 'forbidden function user_drawstop(evt) declaration in statement'*/
15111 schaersvoo 182
fprintf(js_include_file,"if(wims_status != \"done\"){\
15672 schaersvoo 183
 canvas_div.addEventListener('mousedown',user_draw,false);\
184
 canvas_div.addEventListener('mousemove',user_drag,false);\
185
 canvas_div.addEventListener('touchstart'  , function(e) { e.preventDefault(); user_draw(e.changedTouches[0]);},false);\
186
 canvas_div.addEventListener('touchmove'  , function(e) { e.preventDefault(); user_drag(e.changedTouches[0]);},false);\
187
 canvas_div.addEventListener('touchend'  , function(e) { e.preventDefault(); user_drawstop(e.changedTouches[0]);},false);\
188
 var user_is_dragging = false;\
189
 var user_drawstop = function(evt){\
190
  if(!user_is_dragging){user_drag(evt);return;};\
191
  if(user_is_dragging){user_draw(evt);return;};\
192
 };\
15111 schaersvoo 193
};");
194
 
195
/* add all stuff needed ti draw the selected primitives... */
15126 bpr 196
int u;
197
 for(u=0; u < MAX_MULTI_PRIMITIVES ; u++ ){
15111 schaersvoo 198
  i = user_nums[u];
15126 bpr 199
  /*
200
  u = index of technical draw primitive
15111 schaersvoo 201
  i = index of user defined draw primitive
202
  */
203
  switch( draw_nums[u] ){
204
  /* point/points */
205
  case -1 : break;
206
  case 0 ... 1:
207
  fprintf(js_include_file,"function points(x,y,event_which,num){\
208
   if(event_which == 1){ return; };\
209
   var xy = multi_snap_check(x,y,points_snap);\
210
   if( num == 0 ){\
211
    points_x[0] = xy[0];\
212
    points_y[0] = xy[1];\
213
   }else{\
214
    points_x.push(xy[0]);\
215
    points_y.push(xy[1]);\
216
   };\
217
   draw_points();\
218
  };\
219
  function draw_points(){\
220
   var radius = 2*(context_points.lineWidth);\
221
   context_points.clearRect(0,0,xsize,ysize);\
222
   for(var p = 0 ; p < points_x.length ; p++ ){\
223
    context_points.beginPath();\
224
    context_points.arc(points_x[p],points_y[p],radius,0,2*Math.PI,false);\
225
    context_points.closePath();\
226
    context_points.fill();\
227
   };\
228
  };\
229
  var canvas_points = create_canvas%d(100%d,xsize,ysize);var context_points = canvas_points.getContext(\"2d\");\
230
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
231
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
232
  context_points.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
233
  context_points.fillStyle = context_points.strokeStyle;\
234
  context_points.lineWidth = multilinewidth[%d];if(multilinewidth[%d] %%2 == 1){ context_points.translate(0.5,0.5);};\
235
  var points_x = new Array();var points_y = new Array();\
236
  var points_snap = multisnaptogrid[%d];",canvas_root_id,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 237
  if( no_controls != 1){
15111 schaersvoo 238
   fprintf(js_include_file,"\
239
   inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
240
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td>(<input type='text' size='5' value='' id='input_points_x' />:<input type='text' size='5' value='' id='input_points_y' />)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_points_x,input_points_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
241
   u,i,canvas_root_id,u,i,canvas_root_id,u);
242
  }
243
  else
244
  {
245
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
246
  }
247
  break;
248
 
249
 
250
  /* circle/circles */
15126 bpr 251
  case 2 ... 3 :
15111 schaersvoo 252
  fprintf(js_include_file,"function circles(x,y,event_which,num){\
253
   var xy = multi_snap_check(x,y,circles_snap);\
254
   var last = circles_x.length - 1;\
255
   var xc = circles_x[last];\
256
   var yc = circles_y[last];\
257
   if(event_which == 0){\
258
    if( multidraw_object_cnt == 0 ){\
259
     if( num  == 0 ){\
260
       circles_x[0]=xy[0];circles_y[0]=xy[1];multi_radius[0]=4;\
261
     }\
262
     else\
263
     {\
264
       circles_x.push(xy[0]);circles_y.push(xy[1]);multi_radius.push(4);\
265
     };\
266
    };\
267
    multidraw_object_cnt++;\
268
   }\
269
   else\
270
   {\
271
    if( multidraw_object_cnt == 1 ){\
272
     multi_radius[last] = parseInt(Math.sqrt( (xy[0] - xc)*(xy[0] - xc) + (xy[1] - yc)*(xy[1] - yc) ));\
273
    };\
274
   };\
275
   if( multidraw_object_cnt == 2 ){\
276
    multidraw_object_cnt = 0;\
277
    if( num == 0 ){\
278
     circles_x = [];circles_y = [];\
279
     circles_x[0] = xc;circles_y[0] = yc;\
280
    };\
281
   };\
282
   draw_circles();\
283
  };function draw_circles(){\
284
   context_circles.clearRect(0,0,xsize,ysize);\
285
   for(var p = 0 ; p < circles_x.length ; p++ ){\
286
    context_circles.beginPath();\
287
    context_circles.arc(circles_x[p],circles_y[p],multi_radius[p],0,2*Math.PI,false);\
288
    context_circles.closePath();\
289
    context_circles.fill();\
290
    context_circles.stroke();\
291
   };\
292
   return;\
293
  };var canvas_circles = create_canvas%d(100%d,xsize,ysize);var context_circles = canvas_circles.getContext(\"2d\");\
294
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
295
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
296
  context_circles.lineWidth = multilinewidth[%d];\
297
  if(multilinewidth[%d]%%2 == 1){ context_circles.translate(0.5,0.5);};\
15128 schaersvoo 298
  context_circles.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
15111 schaersvoo 299
  if(multifill[%d] != 0 ){var my_fill_color=\"rgba(\"+multifillcolors[%d]+\",\"+multifillopacity[%d]+\")\";if( multifill[%d] > 1 ){context_circles.fillStyle = create_Pattern(0,0,parseInt(multifill[%d]),my_fill_color);}else{context_circles.fillStyle = my_fill_color;};}else{context_circles.fillStyle = \"rgba( 255,255,255,0)\";};\
300
  if(multidash[%d] == 1 ){ if( context_circles.setLineDash ){context_circles.setLineDash([2,4]);}else{if(context_circles.mozDash){context_circles.mozDash = [2,4]};};};\
301
  var circles_x = new Array();var circles_y = new Array();var multi_radius = new Array();\
302
  var circles_snap = multisnaptogrid[%d];",canvas_root_id,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 303
 
15111 schaersvoo 304
  if(no_controls != 1 ){  /* for BPR...*/
305
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
306
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td>M:(<input type='text' size='3' value='' id='input_circles_x' /> : <input type='text' size='3' value='' id='input_circles_y'/>) R:<input type='text' size='3' value='' id='input_circles_r'/></td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_circles_x,input_circles_y,input_circles_r);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
307
   u,i,canvas_root_id,u,i,canvas_root_id,u);
308
  }
309
  else
310
  {
311
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
312
  }
313
  break;
314
  /* line/lines */
15126 bpr 315
  case 4 ... 5 :
15111 schaersvoo 316
  fprintf(js_include_file,"function calc_lines(){\
317
   var marge = 2;var len = lines_x.length;\
15118 schaersvoo 318
   var tmp_x = new Array(len);\
319
   var tmp_y = new Array(len);\
15111 schaersvoo 320
   var pp;\
15118 schaersvoo 321
   for(var p = 0 ; p < len ; p = p+2){\
15111 schaersvoo 322
    pp = p+1;\
15118 schaersvoo 323
    if(lines_x[p] < lines_x[pp]+marge && lines_x[p] > lines_x[pp]-marge){\
324
     tmp_x[p] = lines_x[p];tmp_x[pp] = lines_x[pp];\
325
     tmp_y[p] = 0;tmp_y[pp] = ysize;\
15111 schaersvoo 326
    }\
327
    else\
328
    {\
15118 schaersvoo 329
     if(lines_y[p] < lines_y[pp]+marge && lines_y[p] > lines_y[pp]-marge){\
330
      tmp_x[p] = 0;tmp_x[pp] = xsize;\
331
      tmp_y[p] = lines_y[p];tmp_y[pp] = lines_y[pp];\
15111 schaersvoo 332
     }\
333
     else\
334
     {\
15118 schaersvoo 335
      tmp_x[p] = 0;tmp_x[pp] = xsize;\
336
      tmp_y[p] = lines_y[p] - (lines_x[p])*(lines_y[pp] - lines_y[p])/(lines_x[pp] - lines_x[p]);\
337
      tmp_y[pp] = lines_y[p] + (xsize - lines_x[p])*(lines_y[pp] - lines_y[p])/(lines_x[pp] - lines_x[p]);\
15111 schaersvoo 338
     };\
339
    };\
340
   };\
15118 schaersvoo 341
   return {x:tmp_x,y:tmp_y};\
15111 schaersvoo 342
  };function lines(x,y,event_which,num){\
343
   var xy = multi_snap_check(x,y,lines_snap);\
344
   if(event_which == 0){\
345
    if( num == 0 && multidraw_object_cnt == 0 ){lines_x = [];lines_y = [];};\
346
    lines_x.push(xy[0]);lines_y.push(xy[1]);\
347
    multidraw_object_cnt++;\
348
   }\
349
   else\
350
   {\
351
    if( multidraw_object_cnt == 1 ){\
352
     lines_x.push(xy[0]);lines_y.push(xy[1]);\
353
     draw_lines();\
354
     lines_x.pop();lines_y.pop();\
355
    };\
356
   };\
357
   if( multidraw_object_cnt == 2 ){\
358
    multidraw_object_cnt = 0;\
359
    draw_lines();\
360
   };\
361
  };function draw_lines(){\
362
   var len = lines_x.length;\
363
   if( len %%2 == 0 ){\
15118 schaersvoo 364
    var xy = calc_lines();\
15111 schaersvoo 365
    context_lines.clearRect(0,0,xsize,ysize);\
366
    for(var p = 0 ; p < len ; p = p+2 ){\
367
     context_lines.beginPath();\
15118 schaersvoo 368
     context_lines.moveTo(xy.x[p],xy.y[p]);\
369
     context_lines.lineTo(xy.x[p+1],xy.y[p+1]);\
15111 schaersvoo 370
     context_lines.closePath();\
371
     context_lines.stroke();\
372
    };\
373
   };\
374
   return;\
375
  };var canvas_lines = create_canvas%d(100%d,xsize,ysize);var context_lines = canvas_lines.getContext(\"2d\");\
376
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
377
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
378
  context_lines.lineWidth = multilinewidth[%d];if(multilinewidth[%d]%%2 == 1){ context_lines.translate(0.5,0.5);};\
379
  context_lines.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
380
  if(multidash[%d] == 1 ){ if( context_lines.setLineDash ){context_lines.setLineDash([2,4]);}else{\
381
  if(context_lines.mozDash){context_lines.mozDash = [2,4]};};};\
382
  var lines_x = new Array();var lines_y = new Array();var lines_snap = multisnaptogrid[%d];",canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i);
383
 
384
  if( no_controls != 1 ){  /* for BPR...*/
385
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
386
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td>(<input type='text' size='5' value='x1 : y1' id='input_lines_x' style='text-align:center;'/>) --- ( <input type='text' size='5' value='x2 : y2' id='input_lines_y' style='text-align:center;' /> )</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_lines_x,input_lines_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
387
   u,i,canvas_root_id,u,i,canvas_root_id,u);
388
  }
389
  else
390
  {
391
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
392
  }
393
  break;
394
  /* segment/segments */
15126 bpr 395
  case 6 ... 7 :
15111 schaersvoo 396
  fprintf(js_include_file,"function segments(x,y,event_which,num){\
397
   var xy = multi_snap_check(x,y,segments_snap);\
398
   if(event_which == 0){\
399
    if( num == 0 && multidraw_object_cnt == 0 ){segments_x = [];segments_y = [];};\
400
    segments_x.push(xy[0]);segments_y.push(xy[1]);\
401
    multidraw_object_cnt++;\
402
   }\
403
   else\
404
   {\
405
    if( multidraw_object_cnt == 1 ){\
406
     segments_x.push(xy[0]);segments_y.push(xy[1]);\
407
     draw_segments();\
408
     segments_x.pop();segments_y.pop();\
409
    };\
410
   };\
411
   if( multidraw_object_cnt == 2 ){\
412
    multidraw_object_cnt = 0;\
413
    draw_segments();\
414
   };\
415
  };function draw_segments(){\
416
   var len = segments_x.length;\
417
   if( len%%2 == 0 ){\
418
    context_segments.clearRect(0,0,xsize,ysize);\
419
    for(var p = 0 ; p < len ; p = p+2 ){\
420
     context_segments.beginPath();\
421
     context_segments.moveTo(segments_x[p],segments_y[p]);\
422
     context_segments.lineTo(segments_x[p+1],segments_y[p+1]);\
423
     context_segments.closePath();\
424
     context_segments.stroke();\
425
    };\
426
   };\
427
   return;\
428
  };var canvas_segments = create_canvas%d(100%d,xsize,ysize);var context_segments = canvas_segments.getContext(\"2d\");\
429
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
430
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
431
  context_segments.lineWidth = multilinewidth[%d];\
432
  if(multilinewidth[%d]%%2 == 1){ context_segments.translate(0.5,0.5);};\
433
  context_segments.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
434
  if(multidash[%d] == 1 ){ if( context_segments.setLineDash ){context_segments.setLineDash([2,4]);}\
435
  else{if(context_segments.mozDash){context_segments.mozDash = [2,4]};};};\
436
  var segments_x = new Array();var segments_y = new Array();var segments_snap = multisnaptogrid[%d];",
437
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 438
 
15111 schaersvoo 439
  if( no_controls != 1 ){  /* for BPR...*/
440
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
441
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td>(<input type='text' size='5' value='x1 : y1' id='input_segments_x' style='text-align:center;' />) --- ( <input type='text' size='5' value='x2 : y2' id='input_segments_y' style='text-align:center;'/>)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_segments_x,input_segments_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
442
   u,i,canvas_root_id,u,i,canvas_root_id,u);
443
  }
444
  else
445
  {
446
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
447
  }
448
  break;
449
  /* arrow/arrows */
15126 bpr 450
  case 8 ... 9 :
15111 schaersvoo 451
  fprintf(js_include_file,"function arrows(x,y,event_which,num){\
452
   var xy = multi_snap_check(x,y,arrows_snap);\
453
   if(event_which == 0){\
454
    if( num == 0 && multidraw_object_cnt == 0 ){arrows_x = [];arrows_y = [];};\
455
    arrows_x.push(xy[0]);arrows_y.push(xy[1]);\
456
    multidraw_object_cnt++;\
457
   }\
458
   else\
459
   {\
460
    if( multidraw_object_cnt == 1 ){\
461
     arrows_x.push(xy[0]);arrows_y.push(xy[1]);\
462
     draw_arrows();\
463
     arrows_x.pop();arrows_y.pop();\
464
    };\
465
   };\
466
   if( multidraw_object_cnt == 2 ){\
467
    multidraw_object_cnt = 0;\
468
    draw_arrows();\
469
   };\
470
  };function draw_arrows(){\
471
   var len = arrows_x.length;\
472
   var x1,y1,x2,y2,dx,dy,h;\
473
   if( len%%2 == 0 ){\
474
    context_arrows.clearRect(0,0,xsize,ysize);\
475
    for(var p = 0 ; p < len ; p = p+2 ){\
476
     x1 = arrows_x[p];y1 = arrows_y[p];x2 = arrows_x[p+1];y2 = arrows_y[p+1];dx = x2 - x1;dy = y2 - y1;\
477
     h = Math.sqrt(dx*dx+dy*dy);\
15711 schaersvoo 478
     context_arrows.save();\
479
     context_arrows.setLineDash([]);\
15111 schaersvoo 480
     context_arrows.translate(x2,y2);\
481
     context_arrows.rotate(Math.atan2(dy,dx));\
482
     context_arrows.beginPath();\
483
     context_arrows.moveTo(0,0);\
484
     context_arrows.lineTo(-1*arrow_head,-0.5*arrow_head);\
485
     context_arrows.lineTo(-1*arrow_head, 0.5*arrow_head);\
486
     context_arrows.closePath();\
487
     context_arrows.fill();\
488
     context_arrows.stroke();\
489
     context_arrows.restore();\
15711 schaersvoo 490
     context_arrows.beginPath();\
491
     context_arrows.moveTo(x1,y1);\
492
     context_arrows.lineTo(x2,y2);\
493
     context_arrows.closePath();\
494
     context_arrows.stroke();\
15111 schaersvoo 495
    };\
496
   };\
497
   return;\
498
  };var canvas_arrows = create_canvas%d(100%d,xsize,ysize);var context_arrows =  canvas_arrows.getContext(\"2d\");\
499
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
500
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
15711 schaersvoo 501
  if(multidash[%d] == 1 ){ if( context_arrows.setLineDash ){context_arrows.setLineDash([2,4]);}else{if(context_arrows.mozDash){context_arrows.mozDash = [2,4]};};};\
15111 schaersvoo 502
  context_arrows.lineWidth = multilinewidth[%d];if(multilinewidth[%d]%%2 == 1){ context_arrows.translate(0.5,0.5);};\
503
  context_arrows.lineCap = \"round\";\
504
  context_arrows.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
505
  context_arrows.fillStyle = context_arrows.strokeStyle;\
506
  var arrows_x = new Array();var arrows_y = new Array();var arrows_snap = multisnaptogrid[%d];",
507
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 508
 
15111 schaersvoo 509
  if( no_controls != 1 ){  /* for BPR...*/
510
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
511
   if( multiuserinput[%d] == 1){inner_html+=\"<td>(<input type='text' size='5' value='x1 : y1' id='input_arrows_x' style='text-align:center;' /><b>) --- (</b> <input type='text' size='5' value='x2 : y2' id='input_arrows_y' style=';text-align:center;' />)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_arrows_x,input_arrows_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
512
   u,i,canvas_root_id,u,i,canvas_root_id,u);
513
  }
514
  else
515
  {
516
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
517
  }
518
  break;
15126 bpr 519
 
15111 schaersvoo 520
  /* triangle/triangles */
521
  case 10 ... 11:
522
  fprintf(js_include_file,"function triangles(x,y,event_which,num){\
523
   var xy = multi_snap_check(x,y,triangles_snap);\
524
   var last = triangles_x.length - 1;\
525
   if(event_which == 0){\
526
    if(num == 0 && multidraw_object_cnt == 0){\
527
     triangles_x = [];triangles_y = [];\
528
     triangles_x[0] = xy[0];triangles_y[0] = xy[1];\
529
    }\
530
    else\
531
    {\
532
     triangles_x.push(xy[0]);triangles_y.push(xy[1]);\
533
    };\
534
    multidraw_object_cnt++;\
535
   }\
536
   else\
537
   {\
538
    if( multidraw_object_cnt < 3 ){\
539
     triangles_x.push(xy[0]);triangles_y.push(xy[1]);\
540
     draw_triangles();\
541
     triangles_x.pop();triangles_y.pop();\
542
    };\
543
   };\
544
   if( multidraw_object_cnt == 3 ){\
545
    triangles_x.pop();triangles_y.pop();\
546
    triangles_x.push(xy[0]);triangles_y.push(xy[1]);\
547
    multidraw_object_cnt = 0;\
548
    draw_triangles();\
549
   };\
550
  };function draw_triangles(){\
551
   var len = triangles_x.length - 1;\
552
   context_triangles.clearRect(0,0,xsize,ysize);\
553
   for(var p = 0 ; p < len ; p = p+3){\
554
    context_triangles.beginPath();\
555
    context_triangles.moveTo(triangles_x[p],triangles_y[p]);\
556
    for( var m = p+1 ;m < p+3 ; m++){\
557
     context_triangles.lineTo(triangles_x[m],triangles_y[m]);\
558
    };\
559
    context_triangles.lineTo(triangles_x[p],triangles_y[p]);\
560
    context_triangles.closePath();\
561
    context_triangles.fill();\
562
    context_triangles.stroke();\
563
   };\
564
   return;\
565
  };var canvas_triangles = create_canvas%d(10%d,xsize,ysize);var context_triangles = canvas_triangles.getContext(\"2d\");\
566
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2);};\
567
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
568
  context_triangles.lineCap = \"round\";context_triangles.lineWidth = multilinewidth[%d];\
569
  if(multilinewidth[%d]%%2 == 1){ context_triangles.translate(0.5,0.5);};\
570
  context_triangles.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
571
  if(multifill[%d] != 0 ){var my_fill_color=\"rgba(\"+multifillcolors[%d]+\",\"+multifillopacity[%d]+\")\";if( multifill[%d] > 1 ){context_triangles.fillStyle = create_Pattern(0,0,parseInt(multifill[%d]),my_fill_color);}else{context_triangles.fillStyle = my_fill_color;};}else{context_triangles.fillStyle = \"rgba( 255,255,255,0)\";};\
572
  if(multidash[%d] == 1 ){ if( context_triangles.setLineDash ){\
573
  context_triangles.setLineDash([2,4]);}else{if(context_triangles.mozDash){context_triangles.mozDash = [2,4]};};};\
574
  var triangles_x = new Array();var triangles_y = new Array();var triangles_snap = multisnaptogrid[%d];",
575
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 576
 
15111 schaersvoo 577
  if(no_controls != 1 ){  /* for BPR...*/
578
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
579
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td><b>(<input type='text' size='5' value='x1 : y1' id='input_triangles_x' />) -- (<input type='text' size='5' value='x2 : y2' id='input_triangles_y' />) -- (<input type='text' size='5' value='x3 : y3' id='input_triangles_r' />)</b></td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_triangles_x,input_triangles_y,input_triangles_r);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
580
   u,i,canvas_root_id,u,i,canvas_root_id,u);
581
  }
582
  else
583
  {
584
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
585
  }
586
  break;
15126 bpr 587
  /* closedpoly */
588
  case 12 :
15111 schaersvoo 589
  fprintf(js_include_file,"function check_closed(x1,y1,X,Y){\
590
   var marge=10;\
591
   var len = X.length-1;\
592
   for(var p = 0 ; p < len ; p++){\
593
    if(x1 < X[p] + marge && x1 > X[p] - marge ){\
594
     if(y1 < Y[p] + marge && y1 > Y[p] - marge ){\
595
      return 1;\
596
     };\
597
    };\
598
   };\
599
   return 0;\
600
  };function closedpoly(x,y,event_which,num){\
601
   var xy = multi_snap_check(x,y,closedpoly_snap);\
602
   if(event_which == 0){\
603
    if(multidraw_object_cnt == 0){\
604
     closedpoly_x = [];closedpoly_y = [];\
605
     closedpoly_x[0] = xy[0];closedpoly_y[0] = xy[1];\
606
    }\
607
    else\
608
    {\
609
     closedpoly_x.push(xy[0]);closedpoly_y.push(xy[1]);\
610
    };\
611
    multidraw_object_cnt++;\
612
    if( multidraw_object_cnt > 2 ){\
613
     if( check_closed(x,y,closedpoly_x,closedpoly_y) == 1){\
614
      draw_closedpoly();\
615
      multidraw_object_cnt = 0;\
616
     };\
617
    };\
618
   }\
619
   else\
620
   {\
621
    if( multidraw_object_cnt > 0 ){\
622
     closedpoly_x.push(xy[0]);closedpoly_y.push(xy[1]);\
623
     draw_closedpoly();\
624
     closedpoly_x.pop();closedpoly_y.pop();\
625
    };\
626
   };\
627
  };function draw_closedpoly(){\
628
   var len = closedpoly_x.length;\
629
   context_closedpoly.clearRect(0,0,xsize,ysize);\
630
   var p = 0;\
631
   context_closedpoly.beginPath();\
632
   context_closedpoly.moveTo(closedpoly_x[0],closedpoly_y[0]);\
633
   for(var p = 1 ; p < len ; p++){\
634
    context_closedpoly.lineTo(closedpoly_x[p],closedpoly_y[p]);\
635
   };\
636
   context_closedpoly.lineTo(closedpoly_x[0],closedpoly_y[0]);\
637
   context_closedpoly.closePath();\
638
   context_closedpoly.fill();\
639
   context_closedpoly.stroke();\
640
   return;\
641
  };var canvas_closedpoly = create_canvas%d(10%d,xsize,ysize);\
642
  var context_closedpoly =  canvas_closedpoly.getContext(\"2d\");\
643
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
644
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
645
  context_closedpoly.lineCap = \"round\";context_closedpoly.lineWidth = multilinewidth[%d];\
646
  if(multilinewidth[%d]%%2 == 1){ context_closedpoly.translate(0.5,0.5);};context_closedpoly.lineCap = \"round\";\
647
  context_closedpoly.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
648
  if(multifill[%d] != 0 ){var my_fill_color=\"rgba(\"+multifillcolors[%d]+\",\"+multifillopacity[%d]+\")\";if( multifill[%d] > 1 ){context_closedpoly.fillStyle = create_Pattern(0,0,parseInt(multifill[%d]),my_fill_color);}else{context_closedpoly.fillStyle = my_fill_color;};}else{context_closedpoly.fillStyle = \"rgba( 255,255,255,0)\";};\
649
  if(multidash[%d] == 1 ){ if( context_closedpoly.setLineDash ){context_closedpoly.setLineDash([2,4]);}else{\
650
  if(context_closedpoly.mozDash){context_closedpoly.mozDash = [2,4]};};};\
651
  var closedpoly_x = new Array();var closedpoly_y = new Array();\
652
  var closedpoly_snap = multisnaptogrid[%d];",
653
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 654
 
15111 schaersvoo 655
  if( no_controls != 1 ){  /* for BPR...*/
656
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
15406 schaersvoo 657
   if( multiuserinput[%d] == 1){inner_html+=\"<td>(<input type='text' size='5' value='x1:x2:x3:...' id='input_closedpoly_x' style='text-align:center;' /><b>) --- (</b> <input type='text' size='5' value='y1:y2:y3:...' id='input_closedpoly_y' style='text-align:center;'/>)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_closedpoly_x,input_closedpoly_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
15111 schaersvoo 658
   u,i,canvas_root_id,u,i,canvas_root_id,u);
659
  }
660
  else
661
  {
662
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
663
  }
664
  break;
665
  /* text : always uses user input field !! */
15126 bpr 666
  case 13:
15111 schaersvoo 667
  fprintf(js_include_file,"function text(x,y,event_which,num){\
668
   if(event_which == 1){ return; };\
669
   var xy = multi_snap_check(x,y,text_snap);\
670
   if( num == 0 ){\
671
    text_x[0] = xy[0];\
672
    text_y[0] =xy[1];\
673
   }else{\
674
    text_x.push(xy[0]);\
675
    text_y.push(xy[1]);\
676
   };\
677
   draw_text();\
678
  };function conv_to_unicode(str){\
679
   return str.replace(/\\u[\\dA-F]{4}/gi,function(match){\
680
   return String.fromCharCode(parseInt(match.replace(/\\u/g,''), 16));});\
681
  };function draw_text(){\
682
   var half = 0;\
683
   var height = 0.3 * (context_text.measureText('M').width);\
684
   context_text.clearRect(0,0,xsize,ysize);\
685
   for(var p = 0 ; p < text_x.length ; p++ ){\
686
    if( typeof(text_abc[p]) === 'undefined'){\
687
     var txt = conv_to_unicode(document.getElementById('input_text_r').value);\
688
     text_abc.push(txt);\
689
    };\
690
    half = 0.5*( context_text.measureText(text_abc[p]).width );\
16722 schaersvoo 691
    if(text_abc[p].indexOf('_') > 0 || text_abc[p].indexOf('^') > 0 ){\
692
    draw_subsup(context_text,text_x[p],text_y[p],text_abc[p],4);}else{context_text.fillText(text_abc[p],text_x[p] - half,text_y[p] + height);};\
15111 schaersvoo 693
   };\
694
  };var canvas_text = create_canvas%d(10%d,xsize,ysize);\
695
  var context_text = canvas_text.getContext(\"2d\");\
696
  context_text.font = multifont_family;\
697
  context_text.fillStyle = \"rgba(\"+multifont_color+\",\"+multistrokeopacity[%d]+\")\";\
698
  var text_snap = multisnaptogrid[%d];\
15659 bpr 699
  var text_x = new Array();var text_y = new Array(); var text_abc = new Array();",canvas_root_id,u,i,i);
700
 
15111 schaersvoo 701
  if( no_controls != 1 ){  /* for BPR...*/
15659 bpr 702
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt=0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td><td><input type='text' size='6' value='' id='input_text_r' />\";if( multiuserinput[%d] == 1){inner_html+=\"(<input type='text' size='2' value='x' id='input_text_x' style='text-align:center;' />:<input type='text' size='2' value='y' id='input_text_y' style='text-align:center;'/>)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_text_x,input_text_y,input_text_r);' value='OK' /></td>\";}else{inner_html+=\"</td>\";};",u,i,canvas_root_id,u,i,canvas_root_id,u);
15111 schaersvoo 703
  }
704
  else
705
  {
706
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
707
  }
708
  fprintf(js_include_file,"inner_html+=\"</tr>\";");
709
  break;
710
  /* rect/rects */
15126 bpr 711
  case 14 ... 15 :
15111 schaersvoo 712
  fprintf(js_include_file,"function rects(x,y,event_which,num){\
713
   var xy = multi_snap_check(x,y,rects_snap);\
714
   if(event_which == 0){\
715
    if( num == 0 && multidraw_object_cnt == 0 ){rects_x = [];rects_y = [];};\
716
    rects_x.push(xy[0]);rects_y.push(xy[1]);\
717
    multidraw_object_cnt++;\
718
   }\
719
   else\
720
   {\
721
    if( multidraw_object_cnt == 1 ){\
722
     rects_x.push(xy[0]);rects_y.push(xy[1]);\
723
     draw_rects();\
724
     rects_x.pop();rects_y.pop();\
725
    };\
726
   };\
727
   if( multidraw_object_cnt == 2 ){\
728
    multidraw_object_cnt = 0;\
729
    draw_rects();\
730
   };\
731
  };function draw_rects(){\
732
   var len = rects_x.length;\
733
   if( len %%2 == 0 ){\
734
    context_rects.clearRect(0,0,xsize,ysize);\
735
    for(var p = 0 ; p < len ; p = p+2 ){\
736
     context_rects.beginPath();\
737
     context_rects.rect(rects_x[p],rects_y[p],rects_x[p+1]-rects_x[p],rects_y[p+1]-rects_y[p]);\
738
     context_rects.closePath();\
739
     context_rects.fill();\
740
     context_rects.stroke();\
741
    };\
742
   };\
743
   return;\
744
  };var canvas_rects = create_canvas%d(10%d,xsize,ysize);var context_rects = canvas_rects.getContext(\"2d\");\
745
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
746
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
747
  context_rects.lineWidth = multilinewidth[%d];if(multilinewidth[%d]%%2 == 1){ context_rects.translate(0.5,0.5);};\
748
  context_rects.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
749
  if(multidash[%d] == 1 ){ if( context_rects.setlineDash ){context_rects.setlineDash([2,4]);}else{\
750
  if(context_rects.mozDash){context_rects.mozDash = [2,4]};};};\
751
  if(multifill[%d] != 0 ){var my_fill_color=\"rgba(\"+multifillcolors[%d]+\",\"+multifillopacity[%d]+\")\";if( multifill[%d] > 1 ){context_rects.fillStyle = create_Pattern(0,0,parseInt(multifill[%d]),my_fill_color);}else{context_rects.fillStyle = my_fill_color;};}else{context_rects.fillStyle = \"rgba( 255,255,255,0)\";};\
752
  var rects_x = new Array();var rects_y = new Array();var rects_snap = multisnaptogrid[%d];",
753
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 754
 
15111 schaersvoo 755
  if( no_controls != 1 ){
756
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
757
   if( multiuserinput[%d] == 1){inner_html+=\"<td>(<input type='text' size='5' value='x1 : y1' id='input_rects_x' style='text-align:center;' />) --- (<input type='text' size='5' value='x2 : y2' id='input_rects_y' style='text-align:center;' />)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_rects_x,input_rects_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
758
   u,i,canvas_root_id,u,i,canvas_root_id,u);
759
  }
760
  else
761
  {
762
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
763
  }
764
  break;
765
  /* poly/polys */
766
  case 16 ... 17 :
767
  fprintf(js_include_file,"var polynum = %d;function polys(x,y,event_which,num){\
768
   var last = polys_x.length - 1;\
769
   var xy = multi_snap_check(x,y,polys_snap);\
770
   if(event_which == 0){\
771
    if(num == 0 && multidraw_object_cnt == 0){\
772
     polys_x = [];polys_y = [];\
773
     polys_x[0] = xy[0];polys_y[0] = xy[1];\
774
    }\
775
    else\
776
    {\
777
     polys_x.push(xy[0]);polys_y.push(xy[1]);\
778
    };\
779
    multidraw_object_cnt++;\
780
   }\
781
   else\
782
   {\
783
    if( multidraw_object_cnt < polynum ){\
784
     polys_x.push(xy[0]);polys_y.push(xy[1]);\
785
     draw_polys();\
786
     polys_x.pop();polys_y.pop();\
787
    };\
788
   };\
789
   if( multidraw_object_cnt == polynum ){\
790
    polys_x.pop();polys_y.pop();\
791
    polys_x.push(xy[0]);polys_y.push(xy[1]);\
792
    multidraw_object_cnt = 0;\
793
    draw_polys();\
794
   };\
795
  };function draw_polys(){\
796
   var len = polys_x.length - 1;\
797
   context_polys.clearRect(0,0,xsize,ysize);\
798
   for(var p = 0 ; p < len ; p = p+polynum){\
799
    context_polys.beginPath();\
800
    context_polys.moveTo(polys_x[p],polys_y[p]);\
801
    for( var m = p+1 ;m < p+polynum ; m++){\
802
     context_polys.lineTo(polys_x[m],polys_y[m]);\
803
    };\
804
    context_polys.lineTo(polys_x[p],polys_y[p]);\
805
    context_polys.closePath();\
806
    context_polys.fill();\
807
    context_polys.stroke();\
808
   };\
809
   return;\
810
  };var canvas_polys = create_canvas%d(10%d,xsize,ysize);var context_polys = canvas_polys.getContext(\"2d\");\
811
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
812
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
813
  context_polys.lineCap = \"round\";context_polys.lineWidth = multilinewidth[%d];\
814
  if(multilinewidth[%d]%%2 == 1){ context_polys.translate(0.5,0.5);};\
815
  context_polys.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
816
  if(multifill[%d] != 0 ){var my_fill_color=\"rgba(\"+multifillcolors[%d]+\",\"+multifillopacity[%d]+\")\";if( multifill[%d] > 1 ){context_polys.fillStyle = create_Pattern(0,0,parseInt(multifill[%d]),my_fill_color);}else{context_polys.fillStyle = my_fill_color;};}else{context_polys.fillStyle = \"rgba( 255,255,255,0)\";};\
817
  if(multidash[%d] == 1 ){ if( context_polys.setLineDash ){context_polys.setLineDash([2,4]);}\
818
  else{if(context_polys.mozDash){context_polys.mozDash = [2,4]};};};\
819
  var polys_x = new Array();var polys_y = new Array();\
820
  var polys_snap = multisnaptogrid[%d];",
821
  polynum,canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 822
 
15111 schaersvoo 823
  if( no_controls != 1 ){
824
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
825
   if(multiuserinput[%d] == 1 ){inner_html+=\"<td>(<input type='text' size='8' value='x1,x2...x_n' id='input_polys_x' /> ---- <input type='text' size='8' value='y1,y2...y_n' id='input_polys_y' />)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_rects_x,input_rects_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
826
   u,i,canvas_root_id,u,i,canvas_root_id,u);
827
  }
828
  else
829
  {
830
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
831
  }
832
  break;
833
  /* parallelogram/parallelograms */
15126 bpr 834
  case 18 ... 19:
15111 schaersvoo 835
  fprintf(js_include_file,"function parallelogram(x,y,event_which,num){\
836
   var l2 = parallelogram_x.length;\
837
   var l1 = l2 - 1;var l0 = l2 - 2;\
838
   var xy = multi_snap_check(x,y,parallelogram_snap);\
839
   if(event_which == 0){\
840
    if(multidraw_object_cnt == 0){\
841
     if(num == 0){parallelogram_x = [];parallelogram_y = [];};\
842
     parallelogram_x.push(xy[0]);parallelogram_y.push(xy[1]);\
843
    }\
844
    else\
845
    {\
846
     parallelogram_x.push(xy[0]);parallelogram_y.push(xy[1]);\
847
     if(multidraw_object_cnt == 2){\
848
      var xy = multi_snap_check(parallelogram_x[l2] - parallelogram_x[l1] + parallelogram_x[l0],parallelogram_y[l2] - parallelogram_y[l1] + parallelogram_y[l0],parallelogram_snap);\
849
      parallelogram_x.push(xy[0]);\
850
      parallelogram_y.push(xy[1]);\
851
     };\
852
    };\
853
    multidraw_object_cnt++;\
854
   }\
855
   else\
856
   {\
857
    if(multidraw_object_cnt == 1){\
858
     var xxyy = multi_snap_check(parallelogram_x[l1],parallelogram_y[l1],parallelogram_snap);\
859
     parallelogram_x.push(xxyy[0]);\
860
     parallelogram_y.push(xxyy[1]);\
861
     parallelogram_x.push(xy[0]);\
862
     parallelogram_y.push(xy[1]);\
863
     draw_parallelogram();\
864
     parallelogram_x.pop();parallelogram_y.pop();\
865
     parallelogram_x.pop();parallelogram_y.pop();\
866
    }\
867
    else\
868
    {\
869
     if(multidraw_object_cnt == 2){\
870
      var xxyy = multi_snap_check(parallelogram_x[l2]-parallelogram_x[l1] + parallelogram_x[l0],parallelogram_y[l2]-parallelogram_y[l1] + parallelogram_y[l0],parallelogram_snap);\
871
      parallelogram_x.push(xy[0]);parallelogram_y.push(xy[1]);\
872
      parallelogram_x.push(xxyy[0]);\
873
      parallelogram_y.push(xxyy[1]);\
874
      draw_parallelogram();\
875
      parallelogram_x.pop();parallelogram_y.pop();\
876
      parallelogram_x.pop();parallelogram_y.pop();\
877
     };\
878
    };\
879
   };\
880
   if( multidraw_object_cnt == 3 ){\
881
    parallelogram_x.pop();parallelogram_y.pop();\
882
    var xxyy = multi_snap_check(parallelogram_x[l2]-parallelogram_x[l1] + parallelogram_x[l0],parallelogram_y[l2]-parallelogram_y[l1] + parallelogram_y[l0],parallelogram_snap);\
883
    parallelogram_x.push(xxyy[0]);\
884
    parallelogram_y.push(xxyy[1]);\
885
    parallelogram_x.push(xy[0]);parallelogram_y.push(xy[1]);\
886
    parallelogram_x.pop();parallelogram_y.pop();\
887
    multidraw_object_cnt = 0;\
888
    draw_parallelogram();\
889
   };\
890
  };function draw_parallelogram(){\
891
   var len = parallelogram_x.length-1;\
892
   context_parallelogram.clearRect(0,0,xsize,ysize);\
893
   for(var p = 0 ; p < len ; p = p+4){\
894
    context_parallelogram.beginPath();\
895
    context_parallelogram.moveTo(parallelogram_x[p],parallelogram_y[p]);\
896
    for( var m = p+1 ;m < p+4 ; m++){\
897
     context_parallelogram.lineTo(parallelogram_x[m],parallelogram_y[m]);\
898
    };\
899
    context_parallelogram.lineTo(parallelogram_x[p],parallelogram_y[p]);\
900
    context_parallelogram.closePath();\
901
    context_parallelogram.fill();\
902
    context_parallelogram.stroke();\
903
   };\
904
   return;\
905
  };var canvas_parallelogram = create_canvas%d(10%d,xsize,ysize);var context_parallelogram = canvas_parallelogram.getContext(\"2d\");\
906
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2);};\
907
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2);};\
908
  context_parallelogram.lineCap = \"round\";context_parallelogram.lineWidth = multilinewidth[%d];\
909
  if(multilinewidth[%d]%%2 == 1){ context_parallelogram.translate(0.5,0.5);};\
910
  context_parallelogram.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
911
  if(multifill[%d] != 0 ){var my_fill_color=\"rgba(\"+multifillcolors[%d]+\",\"+multifillopacity[%d]+\")\";if( multifill[%d] > 1 ){context_parallelogram.fillStyle = create_Pattern(0,0,parseInt(multifill[%d]),my_fill_color);}else{context_parallelogram.fillStyle = my_fill_color;};}else{context_parallelogram.fillStyle = \"rgba( 255,255,255,0)\";};\
912
  if(multidash[%d] == 1 ){ if( context_parallelogram.setLineDash ){context_parallelogram.setLineDash([2,4]);}\
913
  else{if(context_parallelogram.mozDash){context_parallelogram.mozDash = [2,4]};};};\
914
  var parallelogram_x = new Array();var parallelogram_y = new Array();var parallelogram_snap = multisnaptogrid[%d];",
915
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 916
 
15111 schaersvoo 917
  if( no_controls != 1 ){
918
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt=0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
919
   if(multiuserinput[%d] == 1 ){inner_html+=\"<td>(<input type='text' size='8' value='x1,x2...x_n' id='input_parallelogram_x' /> --- <input type='text' size='8' value='y1,y2...y_n' id='input_parallelogram_y' />)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_parallelogram_x,input_parallelogram_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
920
   u,i,canvas_root_id,u,i,canvas_root_id,u);
921
  }
922
  else
923
  {
924
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
925
  }
926
  break;
15665 schaersvoo 927
  /*
928
  images : identical ! to userdraw images,bogus_color
929
  15/1/2021 : corrected long standing flaw regarding "centered" on external stuff
930
  tested: bitmap,svg,TeX [tested KaTeX]
931
  */
15126 bpr 932
  case 20:
15665 schaersvoo 933
  fprintf(js_include_file,"var current_id = null;var external_div_cnt=0;\
934
  function image_adjust(image,x,y){\
15111 schaersvoo 935
   var centered = %d;\
936
   var w = parseInt(image.width);var h = parseInt(image.height);\
15665 schaersvoo 937
   if(w == 0 || h == 0 ){\
938
    w = parseInt(window.getComputedStyle(image).width);\
939
    h = parseInt(window.getComputedStyle(image).height);\
940
   };\
15111 schaersvoo 941
   switch(centered){\
942
    case 0: return [x,y];break;\
943
    case 1: return [x,parseInt(y-0.5*h)];break;\
944
    case 2: return [parseInt(x+0.5*h),y];break;\
945
    case 3: return [parseInt(x+0.5*h),parseInt(y-0.5*h)];break;\
946
    case 4: return [parseInt(x-0.5*w),parseInt(y-0.5*h)];break;\
947
    default: return [x,y];break;\
948
   };\
15665 schaersvoo 949
  };\
950
  place_image_on_canvas = function(id){\
15111 schaersvoo 951
   var thing = document.getElementById(id);\
952
   var tag = thing.tagName;\
953
   if(tag == 'SVG'){draw_mathml_svg(thing,id);return;};\
954
   if(tag == 'DIV' || tag == 'SPAN' || tag == 'P' || tag == 'TD' || tag == 'TH'){draw_mathml_div(thing,id);return;};\
955
   var src = thing.src;\
956
   var image = new Image();\
957
   image.src = src;\
958
   image.id = 'placed_'+id;\
959
   image.width = thing.width;\
960
   image.height = thing.height;\
961
   image.onload = function(){ current_id = id; };\
962
   return;\
15665 schaersvoo 963
  };\
964
  function draw_mathml_div(thing,id){\
15111 schaersvoo 965
   var fix_div = document.createElement('DIV');\
15663 bpr 966
   var new_id='placed_'+external_div_cnt+'_'+id;\
15111 schaersvoo 967
   fix_div.setAttribute('id',new_id);\
968
   var w = parseInt(thing.clientWidth);\
969
   var h = parseInt(thing.clientHeight);\
970
   fix_div.innerHTML = thing.innerHTML;\
971
   fix_div.setAttribute('style','display:none;position;absolute;width:'+w+'px;height:'+h+'px');\
972
   fix_div.width = w;fix_div.height = h;\
973
   canvas_div.appendChild(fix_div);\
974
   current_id = new_id;\
15663 bpr 975
   external_div_cnt++;\
15111 schaersvoo 976
   return;\
15665 schaersvoo 977
  };\
978
  function draw_mathml_svg(thing,id){\
15111 schaersvoo 979
   var fix_div = document.createElement('DIV');\
980
   fix_div.setAttribute('style','display:none;position;relative');\
981
   canvas_div.appendChild(fix_div);\
982
   var image = new Image();\
983
   var svg_string = new XMLSerializer().serializeToString(thing);\
984
   var dom = self.URL || self.webkitURL || self;\
985
   var svg = new Blob([svg_string], {type: \"image/svg+xml;charset=utf-8\"});\
986
   var url = dom.createObjectURL(svg);\
987
   image.src= url;\
988
   image.id = 'placed_'+id;\
989
   image.onload = function(){\
990
    current_id = image.id;\
991
    fix_div.innerHTML='<img src='+image.src+' id='+image.id+' alt=\"this should not happen today...!\"/>';\
992
   };\
993
   return;\
15665 schaersvoo 994
  };\
995
  function images(x,y,event_which,num){\
15111 schaersvoo 996
   if(event_which == 1){ return;};\
997
   if(num == 1 && current_id){\
998
    var xy = multi_snap_check(x,y,images_snap);\
999
    images_x.push(xy[0]);\
1000
    images_y.push(xy[1]);\
1001
    images_id.push(current_id);\
1002
    current_id = null;\
1003
   };\
1004
   draw_images();\
15665 schaersvoo 1005
  };\
1006
  function draw_images(){\
15111 schaersvoo 1007
   var xy;var img;var tag;\
15665 schaersvoo 1008
   for(var i=0; i<2;i++){\
1009
    for(var p = 0 ; p < images_x.length; p++){\
1010
     if( images_id[p] ){\
1011
      img = document.getElementById(images_id[p]);\
1012
      tag = img.tagName;\
1013
      xy = image_adjust(img,images_x[p],images_y[p]);\
1014
      if( tag != 'IMG' ){\
1015
       img.setAttribute('style','display:block;position:absolute;top:'+xy[1]+'px;left:'+xy[0]+'px;');\
1016
      }else{\
1017
       context_images.drawImage(img,xy[0],xy[1],img.width,img.height);\
1018
      };\
15111 schaersvoo 1019
     };\
1020
    };\
1021
   };\
15665 schaersvoo 1022
  };\
1023
  var canvas_images = create_canvas%d(10%d,xsize,ysize);\
15111 schaersvoo 1024
  var context_images = canvas_images.getContext(\"2d\");\
1025
  context_images.font = multifont_family;\
1026
  context_images.fillStyle = \"rgba(\"+multifont_color+\",\"+multistrokeopacity[%d]+\")\";\
1027
  var images_snap = multisnaptogrid[%d];\
1028
  var images_x = new Array();var images_y = new Array();\
1029
  var images_id = new Array();",use_offset,canvas_root_id,u,i,i);
1030
  if( no_controls != 1  ){
1031
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt=0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
1032
   if( typeof(imagepalette) === 'object' ){\
1033
   inner_html+=\"<td><table class='%s'><tr>\";\
1034
   for(var im=0; im < imagepalette.length; im++){\
1035
   if( im %% 4 == 0 ){ inner_html+=\"</tr><tr>\";};\
1036
   inner_html+=\"<td><img onclick='javascript:place_image_on_canvas(this.id);' src='\"+imagepalette[im]+\"' id='imagepalette_\"+im+\"' alt='none'/></td>\";};\
1037
   inner_html+=\"</tr></table></td><td>&nbsp;</td></tr>\";}else{inner_html+=\"<td>&nbsp;</td><td>&nbsp;</td></tr>\";};",u,i,canvas_root_id,u,table_css);
1038
  }
1039
  else
1040
  {
16827 schaersvoo 1041
    fprintf(js_include_file,"inner_html+=\"</table>\";tooltip_div.innerHTML += inner_html;userdraw_primitive = %d;",u);
15111 schaersvoo 1042
  }
1043
  break;
1044
  /* curvedarrow/curvedarrows */
15126 bpr 1045
  case 21 ... 22:
15111 schaersvoo 1046
  fprintf(js_include_file,"function curvedarrows(x,y,event_which,num){\
15142 schaersvoo 1047
   var xy = [x,y];\
15111 schaersvoo 1048
   if(event_which == 0){\
15142 schaersvoo 1049
     xy = multi_snap_check(x,y,curvedarrows_snap);\
1050
     if(num == 0 && multidraw_object_cnt == 0){curvedarrows_x = [];curvedarrows_y = [];curvedarrows_x[0] = xy[0];curvedarrows_y[0] = xy[1];}\
15111 schaersvoo 1051
    else{curvedarrows_x.push(xy[0]);curvedarrows_y.push(xy[1]);};multidraw_object_cnt++;\
1052
   }\
1053
   else\
1054
   {\
1055
    if( multidraw_object_cnt < 3 ){curvedarrows_x.push(xy[0]);curvedarrows_y.push(xy[1]);draw_curvedarrows();curvedarrows_x.pop();curvedarrows_y.pop();};\
1056
    if( multidraw_object_cnt == 3 ){curvedarrows_x.pop();curvedarrows_y.pop();curvedarrows_x.push(xy[0]);curvedarrows_y.push(xy[1]);multidraw_object_cnt = 0;draw_curvedarrows();};\
1057
   };\
1058
  };function draw_curvedarrows(){\
1059
   var len = curvedarrows_x.length;var x1,y1,x2,y2,x3,y3;\
1060
   context_curvedarrows.clearRect(0,0,xsize,ysize);\
1061
   for(var p = 0 ; p < len ; p = p+3){\
1062
    x1 = curvedarrows_x[p];x2 = curvedarrows_x[p+1];x3 = curvedarrows_x[p+2];y1 = curvedarrows_y[p];y2 = curvedarrows_y[p+1];y3 = curvedarrows_y[p+2];\
1063
    var angle1 = Math.atan2(x3 - x2,y3 - y2) + Math.PI;\
1064
    context_curvedarrows.beginPath();\
1065
    context_curvedarrows.moveTo(x1,y1);\
1066
    context_curvedarrows.quadraticCurveTo(x3,y3,x2,y2);\
1067
    context_curvedarrows.moveTo(x2 - (arrow_head * Math.sin(angle1 - Math.PI / 6)),y2 - (arrow_head * Math.cos(angle1 - Math.PI / 6)));\
1068
    context_curvedarrows.lineTo(x2, y2);\
1069
    context_curvedarrows.lineTo(x2 - (arrow_head * Math.sin(angle1 + Math.PI / 6)),y2 - (arrow_head * Math.cos(angle1 + Math.PI / 6)));\
1070
    context_curvedarrows.stroke();\
1071
    context_curvedarrows.closePath();\
1072
   };\
1073
   return;\
1074
  };var canvas_curvedarrows = create_canvas%d(10%d,xsize,ysize);\
1075
  var context_curvedarrows =  canvas_curvedarrows.getContext(\"2d\");\
1076
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
1077
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
1078
  context_curvedarrows.lineWidth = multilinewidth[%d];\
1079
  if(multilinewidth[%d]%%2 == 1){ context_curvedarrows.translate(0.5,0.5);};\
1080
  context_curvedarrows.lineCap = \"round\";\
1081
  context_curvedarrows.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
1082
  context_curvedarrows.fillStyle = context_curvedarrows.strokeStyle;\
1083
  if(multidash[%d] == 1 ){ if( context_curvedarrows.setLineDash ){\
1084
  context_curvedarrows.setLineDash([2,4]);}else{if(context_curvedarrows.mozDash){\
1085
  context_curvedarrows.mozDash = [2,4]};};};\
1086
  var curvedarrows_x = new Array();var curvedarrows_y = new Array();\
1087
  var curvedarrows_snap = multisnaptogrid[%d];",
1088
  canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 1089
 
15111 schaersvoo 1090
  if( no_controls != 1 ){
1091
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
1092
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td><b>(<input type='text' size='5' value='x1 : y1' id='input_curvedarrows_x' />) -- (<input type='text' size='5' value='x2 : y2' id='input_curvedarrows_y' />) -- (<input type='text' size='5' value='x3 : y3' id='input_curvedarrows_r' />)</b></td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_curvedarrows_x,input_curvedarrows_y,input_curvedarrows_r);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
1093
   u,i,canvas_root_id,u,i,canvas_root_id,u);
1094
  }
1095
  else
1096
  {
1097
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
1098
  }
1099
  break;
1100
  /* curvedarrow2/curvedarrows2 */
15126 bpr 1101
  case 23 ... 24:
15111 schaersvoo 1102
  fprintf(js_include_file,"function curvedarrows2(x,y,event_which,num){\
15142 schaersvoo 1103
   var xy=[x,y];\
15111 schaersvoo 1104
   if(event_which == 0){\
15142 schaersvoo 1105
     xy = multi_snap_check(x,y,curvedarrows2_snap);\
1106
     if(num == 0 && multidraw_object_cnt == 0){curvedarrows2_x = [];curvedarrows2_y = [];curvedarrows2_x[0] = xy[0];curvedarrows2_y[0] = xy[1];}\
15111 schaersvoo 1107
    else{curvedarrows2_x.push(xy[0]);curvedarrows2_y.push(xy[1]);};multidraw_object_cnt++;\
1108
   }\
1109
   else\
1110
   {\
1111
   if( multidraw_object_cnt < 3 ){curvedarrows2_x.push(xy[0]);curvedarrows2_y.push(xy[1]);draw_curvedarrows2();curvedarrows2_x.pop();curvedarrows2_y.pop();};\
1112
   if( multidraw_object_cnt == 3 ){curvedarrows2_x.pop();curvedarrows2_y.pop();curvedarrows2_x.push(xy[0]);curvedarrows2_y.push(xy[1]);multidraw_object_cnt = 0;draw_curvedarrows2();};\
1113
   };\
1114
  };function draw_curvedarrows2(){\
1115
   var len = curvedarrows2_x.length;var x1,y1,x2,y2,x3,y3;\
1116
   context_curvedarrows2.clearRect(0,0,xsize,ysize);\
1117
   for(var p = 0 ; p < len ; p = p+3){\
1118
    x1 = curvedarrows2_x[p];x2 = curvedarrows2_x[p+1];x3 = curvedarrows2_x[p+2];y1 = curvedarrows2_y[p];y2 = curvedarrows2_y[p+1];y3 = curvedarrows2_y[p+2];\
1119
    var angle1 = Math.atan2(x3 - x2,y3 - y2) + Math.PI;\
1120
    var angle2 = Math.atan2(x3 - x1,y3 - y1) + Math.PI;\
1121
    context_curvedarrows2.beginPath();\
1122
    context_curvedarrows2.moveTo(x1,y1);\
1123
    context_curvedarrows2.moveTo(x1 - (arrow_head * Math.sin(angle2 - Math.PI / 6)),y1 - (arrow_head * Math.cos(angle2 - Math.PI / 6)));\
1124
    context_curvedarrows2.lineTo(x1, y1);\
1125
    context_curvedarrows2.lineTo(x1 - (arrow_head * Math.sin(angle2 + Math.PI / 6)),y1 - (arrow_head * Math.cos(angle2 + Math.PI / 6)));\
1126
    context_curvedarrows2.moveTo(x1,y1);\
1127
    context_curvedarrows2.quadraticCurveTo(x3,y3,x2,y2);\
1128
    context_curvedarrows2.moveTo(x2 - (arrow_head * Math.sin(angle1 - Math.PI / 6)),y2 - (arrow_head * Math.cos(angle1 - Math.PI / 6)));\
1129
    context_curvedarrows2.lineTo(x2, y2);\
1130
    context_curvedarrows2.lineTo(x2 - (arrow_head * Math.sin(angle1 + Math.PI / 6)),y2 - (arrow_head * Math.cos(angle1 + Math.PI / 6)));\
1131
    context_curvedarrows2.stroke();\
1132
    context_curvedarrows2.closePath();\
1133
   };\
1134
   return;\
1135
  };var canvas_curvedarrows2 = create_canvas%d(10%d,xsize,ysize);\
1136
  var context_curvedarrows2 =  canvas_curvedarrows2.getContext(\"2d\");\
1137
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
1138
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
1139
  context_curvedarrows2.lineWidth = multilinewidth[%d];\
1140
  if(multilinewidth[%d]%%2 == 1){ context_curvedarrows2.translate(0.5,0.5);};\
1141
  context_curvedarrows2.lineCap = \"round\";\
1142
  context_curvedarrows2.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
1143
  context_curvedarrows2.fillStyle = context_curvedarrows2.strokeStyle;\
1144
  if(multidash[%d] == 1 ){ if( context_curvedarrows2.setLineDash ){\
1145
  context_curvedarrows2.setLineDash([2,4]);}else{if(context_curvedarrows2.mozDash){\
1146
  context_curvedarrows2.mozDash = [2,4]};};};\
1147
  var curvedarrows2_x = new Array();var curvedarrows2_y = new Array();\
1148
  var curvedarrows2_snap = multisnaptogrid[%d];",canvas_root_id,u,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 1149
 
15111 schaersvoo 1150
  if( no_controls != 1 ){
1151
   fprintf(js_include_file,"inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
1152
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td><b>(<input type='text' size='5' value='x1 : y1' id='input_curvedarrows2_x' />) -- (<input type='text' size='5' value='x2 : y2' id='input_curvedarrows2_y' />) -- (<input type='text' size='5' value='x3 : y3' id='input_curvedarrows2_r' />)</b></td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_curvedarrows2_x,input_curvedarrows2_y,input_curvedarrows2_r);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
1153
   u,i,canvas_root_id,u,i,canvas_root_id,u);
1154
  }
1155
  else
1156
  {
1157
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
1158
  }
1159
  break;
1160
  case 25 ... 26:
1161
  fprintf(js_include_file,"function crosshairs(x,y,event_which,num){\
1162
   if(event_which == 1){ return; };\
1163
   var xy = multi_snap_check(x,y,crosshairs_snap);\
1164
   if( num == 0 ){\
1165
    crosshairs_x[0] = xy[0];\
1166
    crosshairs_y[0] = xy[1];\
1167
   }else{\
1168
    crosshairs_x.push(xy[0]);\
1169
    crosshairs_y.push(xy[1]);\
1170
   };\
1171
   draw_crosshairs();\
1172
  };\
1173
  function draw_crosshairs(){\
1174
   var crosshair_size = %d;\
1175
   context_crosshairs.clearRect(0,0,xsize,ysize);\
1176
   var x1,x2,y1,y2;\
1177
   for(var p = 0 ; p < crosshairs_x.length ; p++ ){\
1178
    x1 = crosshairs_x[p] - crosshair_size;\
1179
    x2 = crosshairs_x[p] + crosshair_size;\
1180
    y1 = crosshairs_y[p] - crosshair_size;\
1181
    y2 = crosshairs_y[p] + crosshair_size;\
1182
    context_crosshairs.beginPath();\
1183
    context_crosshairs.moveTo(x1,y1);\
1184
    context_crosshairs.lineTo(x2,y2);\
1185
    context_crosshairs.closePath();\
1186
    context_crosshairs.stroke();\
1187
    context_crosshairs.beginPath();\
1188
    context_crosshairs.moveTo(x2,y1);\
1189
    context_crosshairs.lineTo(x1,y2);\
1190
    context_crosshairs.closePath();\
1191
    context_crosshairs.stroke();\
1192
   };\
1193
  };\
1194
  var canvas_crosshairs = create_canvas%d(100%d,xsize,ysize);var context_crosshairs = canvas_crosshairs.getContext(\"2d\");\
1195
  if( multistrokeopacity[%d] > 1 ){ multistrokeopacity[%d] = (0.0039215*multistrokeopacity[%d]).toFixed(2); };\
1196
  if( multifillopacity[%d] > 1 ){ multifillopacity[%d] =  (0.0039215*multifillopacity[%d]).toFixed(2); };\
1197
  context_crosshairs.strokeStyle = \"rgba(\"+multistrokecolors[%d]+\",\"+multistrokeopacity[%d]+\")\";\
1198
  context_crosshairs.fillStyle = context_crosshairs.strokeStyle;\
1199
  context_crosshairs.lineWidth = multilinewidth[%d];if(multilinewidth[%d] %%2 == 1){ context_crosshairs.translate(0.5,0.5);};\
1200
  var crosshairs_x = new Array();var crosshairs_y = new Array();\
1201
  var crosshairs_snap = multisnaptogrid[%d];",crosshair_size,canvas_root_id,i,i,i,i,i,i,i,i,i,i,i,i);
15126 bpr 1202
  if( no_controls != 1){
15111 schaersvoo 1203
   fprintf(js_include_file,"\
1204
   inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
1205
   if( multiuserinput[%d] == 1 ){inner_html+=\"<td>(<input type='text' size='5' value='' id='input_crosshairs_x' />:<input type='text' size='5' value='' id='input_crosshairs_y' />)</td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_crosshairs_x,input_crosshairs_y,null);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
1206
   u,i,canvas_root_id,u,i,canvas_root_id,u);
1207
  }
1208
  else
1209
  {
1210
   fprintf(js_include_file,"userdraw_primitive = %d;",u);
1211
  }
1212
  break;
16827 schaersvoo 1213
  case 27:break;
15111 schaersvoo 1214
 
1215
  /* einde switch */
1216
  default : break;
1217
  }
1218
 } /* end for loop */
1219
 
1220
 /* id_z may be used for radius , text etc...e.g. no x-values,y-values, x&y-valuepairs*/
1221
 fprintf(js_include_file,"update_draw_area%d = function(desc,id_x,id_y,id_z){\
1222
  if( desc == 20 ){ draw_images();return;};\
1223
  var x1,x2,x3,y1,y2,y3,z1,r,A,B,C;\
1224
  x1 = id_x.value;y1 = id_y.value;if(id_z != null){z1 = id_z.value;};\
1225
  if( (desc > 3 && desc < 12) || desc == 14 || desc == 15 ){A = coord_split(x1);B = coord_split(y1);if(A.length != 2 || B.length != 2){alert('coordinate mismatch');return;};x1 = x2px(safe_eval(A[0]));y1 = y2px(safe_eval(A[1]));x2 = x2px(safe_eval(B[0]));y2 = y2px(safe_eval(B[1]));if(desc == 10 || desc == 11 ){ C = coord_split(z1);x3 = x2px(safe_eval(C[0]));y3 = y2px(safe_eval(C[1]));};};\
1226
  if( desc < 4 ){x1 = x2px(safe_eval(x1));y1 = y2px( safe_eval(y1));};\
1227
  if( desc > 20 ){A = coord_split(x1);B = coord_split(y1);C = coord_split(z1);\
1228
  if(A.length != 2 || B.length != 2 || C.length != 2){ alert('coordinate mismatch');return;};\
1229
  x1 = x2px(safe_eval(A[0]));y1 = y2px(safe_eval(A[1]));\
1230
  x2 = x2px(safe_eval(B[0]));y2 = y2px(safe_eval(B[1]));\
1231
  x3 = x2px(safe_eval(C[0]));y3 = y2px(safe_eval(C[1]));};\
1232
  switch(desc){",canvas_root_id);
1233
 for(i=0 ; i < MAX_MULTI_PRIMITIVES ; i++ ){
1234
  switch(draw_nums[i]){
1235
   case -1: break;
1236
   case 0: fprintf(js_include_file,"case 0:points(x1,y1,0,0);break;"); break;
1237
   case 1: fprintf(js_include_file,"case 1:points(x1,y1,0,1);break;"); break;
1238
   case 2: fprintf(js_include_file,"case 2:r = scale_x_radius(safe_eval(document.getElementById(id_z.id).value));multi_radius[0] = r;circles_x[0] = x1;circles_y[0] = y1;draw_circles();break;"); break;
1239
   case 3: fprintf(js_include_file,"case 3:r = scale_x_radius(safe_eval(document.getElementById(id_z.id).value));multi_radius.push(r);circles_x.push(x1);circles_y.push(y1);draw_circles();break;"); break;
1240
   case 4: fprintf(js_include_file,"case 4:lines_x[0] = x1;lines_x[1] = x2;lines_y[0] = y1;lines_y[1] = y2;calc_lines();draw_lines();break;"); break;
1241
   case 5: fprintf(js_include_file,"case 5:lines_x.push(x1);lines_x.push(x2);lines_y.push(y1);lines_y.push(y2);calc_lines();draw_lines();break;"); break;
1242
   case 6: fprintf(js_include_file,"case 6:segments_x[0] = x1;segments_x[1] = x2;segments_y[0] = y1;segments_y[1] = y2;draw_segments();break;"); break;
1243
   case 7: fprintf(js_include_file,"case 7:segments_x.push(x1);segments_x.push(x2);segments_y.push(y1);segments_y.push(y2);draw_segments();break;"); break;
1244
   case 8: fprintf(js_include_file,"case 8:arrows_x[0] = x1;arrows_x[1] = x2;arrows_y[0] = y1;arrows_y[1] = y2;draw_arrows();break;"); break;
1245
   case 9: fprintf(js_include_file,"case 9:arrows_x.push(x1);arrows_x.push(x2);arrows_y.push(y1);arrows_y.push(y2);draw_arrows();break;"); break;
1246
   case 10: fprintf(js_include_file,"case 10:triangles_x[0] = x1;triangles_x[1] = x2;triangles_x[2] = x3;triangles_y[0] = y1;triangles_y[1] = y2;triangles_y[2] = y3;draw_triangles();break;"); break;
1247
   case 11: fprintf(js_include_file,"case 11:triangles_x.push(x1);triangles_x.push(x2);triangles_x.push(x3);triangles_y.push(y1);triangles_y.push(y2);triangles_y.push(y3);draw_triangles();break;"); break;
1248
   case 12: fprintf(js_include_file,"case 12:A = coord_split(x1);B = coord_split(y1);var plus_len = A.length;if( plus_len != B.length){alert('mismatch between the number of x-values and  y-values');return;};for(var p = 0 ; p < plus_len ; p++){x1 = x2px(safe_eval(A[p]));y1 = y2px(safe_eval(B[p]));closedpoly_x.push(x1);closedpoly_y.push(y1);};x1 = x2px(safe_eval(A[0]));y1 = y2px(safe_eval(B[0]));closedpoly_x.push(x1);closedpoly_y.push(y1);draw_closedpoly();break;"); break;
1249
   case 13: fprintf(js_include_file,"case 13:text_abc.push( document.getElementById(id_z.id).value);text(x2px(safe_eval(x1)),y2px(safe_eval(y1)),0,1);draw_text();break;"); break;
1250
   case 14: fprintf(js_include_file,"case 14:rects_x[0] = x1;rects_x[1] = x2;rects_y[0] = y1;rects_y[1] = y2;draw_rects();break;"); break;
1251
   case 15: fprintf(js_include_file,"case 15:rects_x.push(x1);rects_x.push(x2);rects_y.push(y1);rects_y.push(y2);draw_rects();break;"); break;
1252
   case 16: fprintf(js_include_file,"case 16:polys_x[0] = x1;polys_x[1] = x2;polys_x[2] = x3;polys_y[0] = y1;polys_y[1] = y2;polys_y[2] = y3;draw_polys();break;"); break;
1253
   case 17: fprintf(js_include_file,"case 17:polys_x.push(x1);polys_x.push(x2);polys_x.push(x3);polys_y.push(y1);polys_y.push(y2);polys_y.push(y3);draw_polys();break;"); break;
1254
   case 18: fprintf(js_include_file,"case 18:parallelogram_x[0] = x1;parallelogram_x[1] = x2;parallelogram_x[2] = x3;parallelogram_y[0] = y1;parallelogram_y[1] = y2;parallelogram_y[2] = y3;draw_parallelogram();break;"); break;
1255
   case 19: fprintf(js_include_file,"case 19:parallelogram_x.push(x1);parallelogram_x.push(x2);parallelogram_x.push(x3);parallelogram_y.push(y1);parallelogram_y.push(y2);parallelogram_y.push(y3);draw_parallelogram();break;"); break;
1256
   case 20: fprintf(js_include_file,"case 20:draw_images();break;"); break;
1257
   case 21: fprintf(js_include_file,"case 21:curvedarrows_x[0] = x1;curvedarrows_x[1] = x2;curvedarrows_x[2] = x3;curvedarrows_y[0] = y1;curvedarrows_y[1] = y2;curvedarrows_y[2] = y3;draw_curvedarrows();break;"); break;
1258
   case 22: fprintf(js_include_file,"case 22:curvedarrows_x.push(x1);curvedarrows_x.push(x2);curvedarrows_x.push(x3);curvedarrows_y.push(y1);curvedarrows_y.push(y2);curvedarrows_y.push(y3);draw_curvedarrows();break;"); break;
1259
   case 23: fprintf(js_include_file,"case 23:curvedarrows2_x[0] = x1;curvedarrows2_x[1] = x2;curvedarrows2_x[2] = x3;curvedarrows2_y[0] = y1;curvedarrows2_y[1] = y2;curvedarrows2_y[2] = y3;draw_curvedarrows2();break;"); break;
1260
   case 24: fprintf(js_include_file,"case 24:curvedarrows2_x.push(x1);curvedarrows2_x.push(x2);curvedarrows2_x.push(x3);curvedarrows2_y.push(y1);curvedarrows2_y.push(y2);curvedarrows2_y.push(y3);draw_curvedarrows2();break;"); break;
1261
   case 25: fprintf(js_include_file,"case 25:crosshairs(x1,y1,0,0);break;"); break;
1262
   case 26: fprintf(js_include_file,"case 26:crosshairs(x1,y1,0,1);break;"); break;
1263
   default:break;
1264
  }
1265
 }
1266
 fprintf(js_include_file,"default: break;};return;};");
1267
 
1268
 /* begin clear_draw_area()*/
1269
 fprintf(js_include_file,"clear_draw_area%d = function(type){switch(type){",canvas_root_id);
1270
 for(i=0; i < MAX_MULTI_PRIMITIVES ; i++ ){
1271
  switch( draw_nums[i] ){
1272
   case -1: break;
1273
   case 0: fprintf(js_include_file,"case 0:context_points.clearRect(0,0,xsize,ysize);points_x = [];points_y = [];break;");break;
1274
   case 1: fprintf(js_include_file,"case 1:points_x.pop();points_y.pop();draw_points();break;");break;
1275
   case 2: fprintf(js_include_file,"case 2:context_circles.clearRect(0,0,xsize,ysize);circles_x = [];circles_y = []; multi_radius = [];break;");break;
1276
   case 3: fprintf(js_include_file,"case 3:circles_x.pop();circles_y.pop(); multi_radius.pop();draw_circles();break;");break;
1277
   case 4: fprintf(js_include_file,"case 4:context_lines.clearRect(0,0,xsize,ysize);lines_x = [];lines_y = [];break;");break;
1278
   case 5: fprintf(js_include_file,"case 5:lines_x.pop();lines_y.pop();lines_x.pop();lines_y.pop();draw_lines();break;");break;
1279
   case 6: fprintf(js_include_file,"case 6:context_segments.clearRect(0,0,xsize,ysize);segments_x = [];segments_y = [];break;");break;
1280
   case 7: fprintf(js_include_file,"case 7:segments_x.pop();segments_y.pop();segments_x.pop();segments_y.pop();draw_segments();break;");break;
1281
   case 8: fprintf(js_include_file,"case 8:context_arrows.clearRect(0,0,xsize,ysize);arrows_x = [];arrows_y = [];break;");break;
1282
   case 9: fprintf(js_include_file,"case 9:arrows_x.pop();arrows_y.pop();arrows_x.pop();arrows_y.pop();draw_arrows();break;");break;
1283
   case 10:fprintf(js_include_file,"case 10:context_triangles.clearRect(0,0,xsize,ysize); triangles_x = [];triangles_y = [];break;");break;
1284
   case 11:fprintf(js_include_file,"case 11:for(var p=0;p<3;p++){triangles_x.pop();triangles_y.pop();};draw_triangles();break;");break;
1285
   case 12:fprintf(js_include_file,"case 12:context_closedpoly.clearRect(0,0,xsize,ysize);closedpoly_x = [];closedpoly_y = [];break;");break;
1286
   case 13:fprintf(js_include_file,"case 13:context_text.clearRect(0,0,xsize,ysize);text_x.pop();text_y.pop();text_abc.pop();draw_text();break;");break;
1287
   case 14:fprintf(js_include_file,"case 14:context_rects.clearRect(0,0,xsize,ysize);rects_x = [];rects_y = [];break;");break;
1288
   case 15:fprintf(js_include_file,"case 15:rects_x.pop();rects_y.pop();rects_x.pop();rects_y.pop();draw_rects();break;");break;
1289
   case 16:fprintf(js_include_file,"case 16:context_polys.clearRect(0,0,xsize,ysize); polys_x = [];polys_y = [];break;");break;
1290
   case 17:fprintf(js_include_file,"case 17:for(var p=0;p<polynum;p++){polys_x.pop();polys_y.pop();};draw_polys();break;");break;
1291
   case 18:fprintf(js_include_file,"case 18:context_parallelogram.clearRect(0,0,xsize,ysize); parallelogram_x = [];parallelogram_y = [];break;");break;
1292
   case 19:fprintf(js_include_file,"case 19:for(var p = 0; p < 4;p++){ parallelogram_x.pop();parallelogram_y.pop();};draw_parallelogram();break;");break;
15760 schaersvoo 1293
   case 20:fprintf(js_include_file,"case 20:context_images.clearRect(0,0,xsize,ysize);var len = images_id.length;if( len == 0 ){return;};var img = document.getElementById(images_id[len-1]);if( img.tagName == 'DIV' ){ img.innerHTML=null;};images_x.pop();images_y.pop();images_id.pop();draw_images();break;");break;
15111 schaersvoo 1294
   case 21:fprintf(js_include_file,"case 21:context_curvedarrows.clearRect(0,0,xsize,ysize);curvedarrows_x = [];curvedarrows_y = [];break;");break;
1295
   case 22:fprintf(js_include_file,"case 22:curvedarrows_x.pop();curvedarrows_y.pop();curvedarrows_x.pop();curvedarrows_y.pop();curvedarrows_x.pop();curvedarrows_y.pop();draw_curvedarrows();break;");break;
1296
   case 23:fprintf(js_include_file,"case 23:context_curvedarrows2.clearRect(0,0,xsize,ysize);curvedarrows2_x = [];curvedarrows2_y = [];break;");break;
1297
   case 24:fprintf(js_include_file,"case 24:curvedarrows2_x.pop();curvedarrows2_y.pop();curvedarrows2_x.pop();curvedarrows2_y.pop();curvedarrows2_x.pop();curvedarrows2_y.pop();draw_curvedarrows2();break;");break;
1298
   case 25:fprintf(js_include_file,"case 25:context_crosshairs.clearRect(0,0,xsize,ysize);crosshairs_x = [];crosshairs_y = [];break;");break;
1299
   case 26:fprintf(js_include_file,"case 26:crosshairs_x.pop();crosshairs_y.pop();draw_crosshairs();break;");break;
1300
   default:break;
1301
  }
1302
 }
1303
 fprintf(js_include_file,"};return;};");
1304
 /* end clear_draw_area();*/
1305
 
1306
 
1307
 /* add </table> is button controls are needed */
1308
 if( no_controls != 1 ){fprintf(js_include_file,"inner_html+=\"</table>\";tooltip_div.innerHTML = inner_html;"); }
1309
 free(str);
15126 bpr 1310
 
15111 schaersvoo 1311
}
1312
/* end 'void add_js_multidraw()' */
1313
 
1314
 
1315
/*  if( desc >20 ){A = coord_split(x1);B = coord_split(y1);C = coord_split(z1);if(A.length != 2 || B.length != 2 || C.length != 2 ){alert('coordinate mismatch');return;};x1 = x2px(safe_eval(A[0]));y1 = y2px(safe_eval(A[1]));x2 = x2px(safe_eval(B[0]));y2 = y2px(safe_eval(B[1]));x3 = x2px(safe_eval(C[0]));y3 = y2px(safe_eval(C[1]));};};};\
1316
 
1317
 
1318
 
1319
   inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
1320
   if( multiuserinput[%d] == '1' ){inner_html+=\"<td><b>(<input type='text' size='5' value='x1 : y1' id='input_curvedarrows2_x' />) -- (<input type='text' size='5' value='x2 : y2' id='input_curvedarrows2_y' />) -- (<input type='text' size='5' value='x3 : y3' id='input_curvedarrows2_r' />)</b></td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_curvedarrows2_x,input_curvedarrows2_y,input_curvedarrows2_r);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
1321
   u,i,canvas_root_id,u,i,canvas_root_id,u);
1322
 
1323
 
1324
   inner_html+=\"<tr><td><input type='button' onclick='javascript:userdraw_primitive=%d;multidraw_object_cnt = 0;' value='\"+multilabel[%d]+\"' /></td><td><input type='button' onclick='javascript:clear_draw_area%d(%d);' value='delete' /></td>\";\
1325
   if( multiuserinput[%d] == '1' ){inner_html+=\"<td><b>(<input type='text' size='5' value='x1 : y1' id='input_curvedarrows_x' />) -- (<input type='text' size='5' value='x2 : y2' id='input_curvedarrows_y' />) -- (<input type='text' size='5' value='x3 : y3' id='input_curvedarrows_r' />)</b></td><td><input type='button' id='canvasdraw_ok_button' onclick='javascript:update_draw_area%d(%d,input_curvedarrows_x,input_curvedarrows_y,input_curvedarrows_r);' value='OK' /></td></tr>\";}else{inner_html+=\"</tr>\";};",
1326
   u,i,canvas_root_id,u,i,canvas_root_id,u);
1327
 
1328
 
1329
 
15126 bpr 1330
*/
15665 schaersvoo 1331