WebSVN – wimsdev – Diff – /trunk/wims/src/Misc/canvasdraw/canvasdraw.c

     int use_parametric = FALSE;/* will be reset after parametric plotting */
     int use_axis = FALSE;
     int use_axis_numbering = FALSE;
     int line_width = 1;
     int decimals = 2;
-    int debug = 0;
     int precision = 100; /* 10 = 1;100=2;1000=3 decimal display for mouse coordinates or grid coordinate */
     int use_userdraw = FALSE; /* flag to indicate user interaction: incompatible with "drag & drop" code !! */
     int drag_type = -1;/* 0,1,2 : xy,x,y */
     int use_tooltip = FALSE;
     char *tooltip_text = "Click here";
         @ 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
         @ note: object_type polygone: Will be finished (the object is closed) when clicked on the first point of the polygone again.
         @ 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)
         @ use command "filled", "opacity int,int"  and "fillcolor color" to trigger coloured filling of fillable objects
         @ use command "dashed" and/or "dashtype int,int" to trigger dashing
-        @ use command "debug" to view the output of javascript funcion read_canvas();
         @ use command "replyformat int" to control / adjust output formatting of javascript function read_canvas();
         @ may be combined with onclick or drag xy  of other components of flyscript objects (although not very usefull...)
         @ may be combined with keyword 'userinput_xy' or
         @ 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.!
         */
             string_length = snprintf(NULL,0,  "draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
             check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
             snprintf(tmp_buffer,string_length,"draw_setpixel(%s,\"%s\",%.2f,%d);\n",double_xy2js_array(double_data,i,decimals),stroke_color,stroke_opacity,pixelsize);
             add_to_buffer(tmp_buffer);
             break;
-        case DEBUG:
-        /*
-        @ debug
-        @ keyword, no arguments
-        @ use as first command (before 'size')
-        @ will show a few buttons to read_canvas(); read_mathml(); and read_dragdrop();
-        @ only to be used in a single canvasdraw instance <br />or in case of multiple canvasdraw images , only the last image
-        */
-        debug = 1;
-        fprintf(stdout,"\n\
-<!-- THIS IS JUST FOR DEBUGGING ANSWER TYPES IN A SINGLE CANVASDRAW INSTANCE -->\n\
-<input type=\"button\" onclick=\"javascript:alert(read_canvas());\" value=\"read_canvas()\" />\n\
-<input type=\"button\" onclick=\"javascript:alert(read_mathml());\" value=\"read_mathml()\" />\n\
-<input type=\"button\" onclick=\"javascript:alert(read_dragdrop());\" value=\"read_dragdrop()\" />\n");
-        done = TRUE;
         case REPLYFORMAT:
         /*
         @ replyformat number
         @ default values should be fine !
-        @ use command "debug" to check return values of javascript function read_canvas();
         @ 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>
         @ note to 'userdraw text,color' : the x / y-values are in pixels ! (this to avoid too lengthy calculations in javascript...)
         */
          reply_format = (int) get_real(infile,1);
         break;
             temp = get_string(infile,1);
             if( strstr( temp,":") != 0 ){ temp = str_replace(temp,":","\",\""); }
             fprintf(js_include_file,"var legendcolors%d = [\"%s\"];",canvas_root_id,temp);
             break;
         case LEGEND:
         /*
         @ legend string1:string2:string3....string_n
         @ will be used to create a legend for a graph
         @ also see command 'piechart'
         */
             temp = get_string(infile,1);
             break;
         case XLABEL:
         /*
         @ xlabel some_string
         @ will be used to create a label for the x-axis (label is in quadrant I)
         @ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
         @ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
         */
             temp = get_string(infile,1);
             fprintf(js_include_file,"var xaxislabel = \"%s\";",temp);
             break;
         /*
         @ ylabel some_string
         @ will be used to create a (vertical) label for the y-axis (label is in quadrant I)
         @ can only be used together with command 'grid'<br />not depending on keywords 'axis' and 'axisnumbering'
         @ font setting: italic Courier, fontsize will be slightly larger (fontsize + 4)
         */
             temp = get_string(infile,1);
             fprintf(js_include_file,"var yaxislabel = \"%s\";",temp);
             break;
         case LINEGRAPH: /* scheme: var linegraph_0 = [ 'stroke_color','line_width','use_dashed' ,'dashtype0','dashtype1','x1','y1',...,'x_n','y_n'];*/
         /*
         @ type hourglass:<br />type = 0 : only segments<br />type = 1 : only numbers<br />type = 2 : numbers and segments
         @ 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
         @ 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>
         @ canvasdraw will not check validity of colornames...the javascript console is your best friend
         @ no combinations with other reply_types allowed, for now
-        @ if command 'debug' is set, 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
+        @ 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
         */
             if( js_function[DRAW_CLOCK] != 1 ){ js_function[DRAW_CLOCK] = 1;}
         /*    var clock = function(xc,yc,radius,H,M,S,h_color,m_color,s_color,bg_color,fg_color) */
             for(i=0;i<9;i++){
               case 1: int_data[1] = y2px(get_real(infile,0)); break; /* yc */
               case 2: int_data[2] = get_real(infile,0);break;/* radius in px */
               case 3: int_data[3] = get_real(infile,0);break;/* hours */
               case 4: int_data[4] = get_real(infile,0);break;/* minutes */
               case 5: int_data[5] = get_real(infile,0);break;/* seconds */
-              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 */
+              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 */
               case 7: int_data[7] = (int)(get_real(infile,0));/* interactive 0,1,2*/
-                        switch(int_data[7]){
+                switch(int_data[7]){
-                         default:break;
+                    case 0:break;
-                         case 1 :if(clock_cnt == 0){
+                    case 1:if(clock_cnt == 0){
-                                    if( reply_format == 0 ){
+                                if( reply_format == 0 ){
                                      reply_format = 18; /* user sets clock */
-                                     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");
+                                    /* 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");
                                      check_string_length(string_length);tmp_buffer = my_newmem(string_length+1);
                                      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");
                                      add_to_buffer(tmp_buffer);
+                                    */
-                                    }
+                                     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");
+                                }
-                                    else
+                                else
-                                    {
+                                {
-                                     canvas_error("interactive clock may not be used together with other reply_types...");
+                                    canvas_error("interactive clock may not be used together with other reply_types...");
-                                    }
+                                }
-                                  }
+                                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);
-                                  if(debug == 1 ){
-                                    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);
+                             }
-                                  }
-                                  break;
+                    break;
-                         case 2 :if( reply_format == 0 ){
+                    case 2:if( reply_format == 0 ){
-                                    reply_format = 19; /* "onclick */
+                                reply_format = 19; /* "onclick */
-                                    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 ");
+                                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 ");
-                                 }
+                            }
-                                 else
+                            else
-                                 {
+                            {
-                                  if( reply_format != 19){
+                                if( reply_format != 19){
                                    canvas_error("clickable clock(s) may not be used together with other reply_types...");
-                                  }
+                                 }
+                            }
-                                 break;
+                     break;
+                     default: canvas_error("interactive must be set 0,1 or 2");break;
-                        }
+                }
-                        break;
+                break;
                 case 8:
                         temp = get_string(infile,1);
                         if( strstr( temp,",") != 0 ){ temp = str_replace(temp,",","\",\""); }
                         if( strlen(temp) < 1 ){temp = ",\"\",\"\",\"\",\"\",\"\"";}
                         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);
 this.read_canvas = read_canvas;\n\
 <!-- end function 6 read_canvas() -->");
     break;
     case 7: fprintf(js_include_file,"\
 \n<!-- begin function 7 read_canvas() -->\n\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
  while(userdraw_x[p]){\
   reply[p] = userdraw_x[p] +\":\" + userdraw_y[p];\
   p++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply+\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply+\"\\n\"+input_reply;\
   }\
  };\
  else\
  {\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
  while(userdraw_x[p]){\
   reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]);\
   p++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply;\
   }\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 8 read_canvas() -->");
     break;
     case 9: fprintf(js_include_file,"\
 \n<!-- begin function 9 read_canvas() -->\n\
 function read_canvas(){\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
 this.read_canvas = read_canvas;\n\
 <!-- end function 9 read_canvas() -->");
     break;
     case 10: fprintf(js_include_file,"\
 \n<!-- begin function 10 read_canvas() -->\n\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;\
  while(userdraw_x[p]){\
   reply[p] = px2x(userdraw_x[p]) +\":\" + px2y(userdraw_y[p]) +\":\" + userdraw_radius[p];\
   p++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
  else\
  {\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+userdraw_text;\
   reply = reply + px2x(userdraw_x[p]) +\",\" + px2y(userdraw_y[p]) +\",\" + px2x(userdraw_x[p+1]) +\",\" + px2y(userdraw_y[p+1]) +\"\\n\" ;\
   p = p+2;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") || document.getElementById(\"mathml0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
 function read_canvas(){\
  var reply = new Array();\
  var p = 0;var i = 0;\
  while(userdraw_x[p]){\
   reply[i] = userdraw_x[p] +\":\" + userdraw_y[p] +\":\" + userdraw_x[p+1] +\":\" + userdraw_y[p+1];\
   p = p+2;i++;\
  };\
  if(p == 0){alert(\"nothing drawn...\");return;};\
  if( document.getElementById(\"canvas_input0\") ){\
   var p = 0;var input_reply = new Array();\
   if( document.getElementById(\"canvas_input0\")){\
    var t = 0;\
    while(document.getElementById(\"canvas_input\"+t)){\
     if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
      input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
      p++;\
     };\
     t++;\
    };\
   };\
   if( typeof userdraw_text != 'undefined' ){\
    return reply +\"\\n\"+input_reply+\"\\n\"+userdraw_text;\
   }\
   else\
   {\
    return reply +\"\\n\"+input_reply;\
   }\
  }\
   }\
   else\
   {\
    return reply;\
   }\
  };\
 };\
  this.read_canvas = read_canvas;\n\
 <!-- end function 14 read_canvas() -->");
     break;
     case 15: fprintf(js_include_file,"\
 \n<!-- begin function 15  read_canvas() -->\n\
 function read_canvas(){\
    if( ! document.getElementById(\"canvas_input\"+t).getAttribute(\"readonly\")){\
     input_reply[p] = document.getElementById(\"canvas_input\"+t).value;\
     p++;\
    };\
    t++;\
   };\
  };\
  if( typeof userdraw_text != 'undefined' ){\
    return input_reply +\"\\n\"+userdraw_text;\
  }\
  else\
  {\
   return input_reply;\
  };\
 };\
  this.read_canvas = read_canvas;\n\
 <!-- end function 15 read_canvas() -->");
     break;
     case 16: fprintf(js_include_file,"\
 \n<!-- begin function 16 read_mathml() -->\n\
     break;
     case 17:  fprintf(js_include_file,"\
 \n<!-- begin function 17 read_canvas() -->\n\
 function read_canvas(){\
  if( userdraw_text.length == 0){alert(\"no text typed...\");return;}\
  return userdraw_text;\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 17 read_canvas() -->");
     break;
     case 18: fprintf(js_include_file,"\
   }\
  };\
 };\
 this.read_canvas = read_canvas;\n\
 <!-- end function 22 read_canvas() -->");
     break;
     case 23: fprintf(js_include_file,"\
 \n<!-- begin function 23 read_canvas() default 5 px marge -->\n\
 function read_canvas(){\
  if( userdraw_x.length < 2){alert(\"nothing drawn...\");return;}\
  var reply_x = new Array();var reply_y = new Array();var p = 0;\
  ctx.fillText(\"\\u2192\",xsize - 30,ysize-2);\
  ctx.fillText(\"\\u2190\",xsize - 45,ysize-2);\
  ctx.fillText(\"\\u2191\",xsize - 60,ysize-2);\
  ctx.fillText(\"\\u2193\",xsize - 75,ysize-2);\
  ctx.fillText(\"\\u00D7\",xsize - 90,ysize-2);\
  ctx.stroke();\
 };",canvas_root_id,canvas_root_id,canvas_root_id);
     break;
     case DRAW_GRIDFILL:/* not used for userdraw */
 fprintf(js_include_file,"\n<!-- draw gridfill -->\n\
   ctx.arc(x_points[p],y_points[p],radius[p],0,2*Math.PI,false);\
   ctx.closePath();\
   if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
   if(use_filled == 1){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
   ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
   ctx.stroke();\
  }\
  ctx.restore();\
  return;\
 };");
     break;
  for(var p = 0 ; p < x_points.length ; p = p + 2){\
   ctx.beginPath();\
   ctx.rect(x_points[p],y_points[p],x_points[p+1]-x_points[p],y_points[p+1]-y_points[p]);\
   ctx.closePath();\
   if(use_filled == 1 ){ctx.fillStyle = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";ctx.fill();}\
   ctx.stroke();\
  };\
  ctx.restore();\
  return;\
 };");
     break;
     case DRAW_ROUNDRECTS:/*  used for userdraw */
 fprintf(js_include_file,"\n<!-- draw round rects -->\n\
         *intooltip="intooltip",
         *replyformat="replyformat",
         *floodfill="floodfill",
         *filltoborder="filltoborder",
         *clickfill="clickfill",
-        *debug="debug",
         *setpixel="setpixel",
         *pixels="pixels",
         *pixelsize="pixelsize",
         *clickfillmarge="clickfillmarge",
         *xaxis="xaxis",
         return CLICKFILL;
+        }
         if( strcmp(input_type, replyformat) == 0 ){
         free(input_type);
         return REPLYFORMAT;
-        }
-        if( strcmp(input_type, debug) == 0 ){
-        free(input_type);
-        return DEBUG;
+        }
         if( strcmp(input_type, pixelsize) == 0 ){
         free(input_type);
         return PIXELSIZE;
+        }

Subversion Repositories wimsdev

(root)/trunk/wims/src/Misc/canvasdraw/canvasdraw.c – Rev 7782 → 7783