Subversion Repositories wimsdev

Rev

Rev 15351 | Rev 15690 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | RSS feed

  1. #include "canvasdraw.h"
  2. /*
  3. collection of javascript utilities (with no configurable parameters)
  4. */
  5. void add_javascript_function(){
  6. int i;
  7. int type;
  8. for(i = 0 ; i < MAX_JS_FUNCTIONS; i++){
  9. /*
  10. fprintf(stdout,"checking js_function[%d] = %d<br />",i,js_function[i]);
  11. */
  12.  if( js_function[i] == 1){
  13.     switch(i){
  14.  
  15. case JS_LOAD_IMAGE:
  16. fprintf(js_include_file,"\n/* get_image_from_url */\
  17. var image_cnt = 0;\
  18. if( typeof(image_patterns) !== 'object'){var image_patterns = [];};\
  19. var get_image_from_url = function(url){\
  20. var idx = Math.ceil(1000*(Math.random()));\
  21. var canvas = create_canvas%d(idx,xsize,ysize);\
  22. canvas.style.visibility = 'hidden';\
  23. var ctx = canvas.getContext(\"2d\");\
  24. var img = new Image();\
  25. img.src = url;\
  26. img.onload = function(){\
  27.  var pat = ctx.createPattern(img,\"repeat\");\
  28.  image_patterns.push(pat);\
  29. };\
  30. };",canvas_root_id);
  31. break;
  32.  
  33. case JS_SAFE_EVAL:
  34. /* to avoid easy js-code injection...but is it a real problem ? */
  35. fprintf(js_include_file," \n/* add safe eval function */function safe_eval(exp){\
  36. exp = exp.replace(/pi/g,'3.14159');\
  37. if(exp.indexOf('^') != -1){\
  38.  exp = exp.replace(/[a-zA-Z]/g,' ');\
  39.  exp = exp.replace(/\\*10\\^-/g,'e-');\
  40.  exp = exp.replace(/\\*10\\^/g,'e+');\
  41.  exp = exp.replace(/10\\^-/g,'1e-');exp = exp.replace(/10\\^/g,'1e+');\
  42.  exp = eval(exp);\
  43.  if(isNaN(exp)){alert(\"invalid input\\ntry just a real number \\ne.g. no calculations...\");return null;}\
  44.  return exp;\
  45. };\
  46. var reg = /(?:[a-z$_][a-z0-9$_]*)|(?:[;={}\\[\\]\"'!&<>^\\\\?:])/ig;\
  47. var valid = true;\
  48. exp = exp.replace(reg,function($0){\
  49.  if(Math.hasOwnProperty($0)){\
  50.   return \"Math.\"+$0;\
  51.  }\
  52.  else\
  53.  {\
  54.   valid = false;\
  55.  }\
  56. }\
  57. );\
  58. if( !valid ){\
  59.  alert(\"hmmm \"+exp+\" ?\"); exp = null;\
  60. }\
  61. else\
  62. {\
  63.  try{ exp = eval(exp); } catch(e){alert(\"Invalid arithmetic expression\"); exp = null;};\
  64. };\
  65. return exp;\
  66. };");
  67. break;
  68.  
  69. case JS_RAWMATH:
  70. fprintf(js_include_file,"\n/* add_rawmath() */\
  71. function rawmath(i){\
  72. i=i.toLowerCase();\
  73. i=i.replace(/\\ /g,\"\");i=i.replace(/\\*\\*/g,\"^\");\
  74. if(i.indexOf(\"e+\")!=-1){i=i.replace(\"e+\",\"*10^\");};\
  75. if(i.indexOf(\"e-\")!=-1){i=i.replace(\"e-\",\"*10^-\");};\
  76. i=i.replace(/\\*\\*/g,\"*\");\
  77. if(i.charAt(0)==\"*\"){i=i.substring(1,i.length);};\
  78. var fun=[\"asin\",\"acos\",\"atan\",\"sin\",\"cos\",\"tan\",\"log\",\"ln\",\"pi\",\"e\",\"x\",\"y\"];\
  79. var cons=[\"pi\",\"e\",\"0\",\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\"];\
  80. var cntl = 0;var cntr = 0;\
  81. var len = i.length;\
  82. for( var p = 0;p < len; p++){\
  83.  if(i.charAt(p) == '('){cntl++;}\
  84.  if(i.charAt(p) == ')'){cntr++;}\
  85. };\
  86. if(cntl != cntr){alert(\"unmatched parenthesis !!\");return null;};\
  87. for(var p = 0; p < 12 ; p++){\
  88.  for(var d = 0; d < 12 ; d++){\
  89.   while(i.indexOf(cons[d]+\"\"+fun[p])!=-1){\
  90.    i = i.replace(cons[d]+\"\"+fun[p],cons[d]+\"*\"+fun[p]);\
  91.   };\
  92.   while(i.indexOf(fun[p]+\"\"+cons[d])!=-1){\
  93.    i = i.replace(fun[p]+\"\"+cons[d],fun[p]+\"*\"+cons[d]);\
  94.   };\
  95.  };\
  96. };\
  97. if(i.indexOf(\"(\")!=-1){\
  98.  for(var p = 0;p < 12; p++){\
  99.   if(i.indexOf(cons[p]+\"(\")!=-1){\
  100.    i = i.replace(cons[p]+\"(\",cons[p]+\"*(\");\
  101.   };\
  102.   if(i.indexOf(\")\"+cons[p])!=-1){\
  103.    i = i.replace(\")\"+cons[p],\")*\"+cons[p]);\
  104.   };\
  105.  };\
  106.  i = i.replace(/\\)\\(/g,\")*(\");\
  107. };\
  108. return i;\
  109. };");
  110. break;
  111.  
  112. case JS_PLOT:
  113. fprintf(js_include_file,"\n/* jsplot() */\
  114. var x_anim_points;var y_anim_points;var animation_steps;var animation_funs;\
  115. function jsplot(canvas_type,funs,linewidth,color,opacity,use_dashed,dashtype0,dashtype1,trange,plotsteps,use_parametric,use_animate,origin){\
  116. var obj = create_canvas%d(canvas_type,xsize,ysize);\
  117. var ctx = obj.getContext(\"2d\");\
  118. ctx.clearRect(0,0,xsize,ysize);\
  119. animation_funs = funs.length;\
  120. function eval_jsmath(x,func){return parseFloat(eval(func));};\
  121. if(origin == 0 ){\
  122.  if( typeof(multilinewidth) !== 'undefined' && multilinewidth != null ){ linewidth = multilinewidth;};\
  123.  if( typeof(multistrokecolors) !== 'undefined' && multistrokecolors != null ){ color = multistrokecolors;};\
  124.  if( typeof(multistrokeopacity) !== 'undefined' && multistrokeopacity != null ){ opacity = multistrokeopacity;};\
  125.  if( typeof(multidash) !== 'undefined' && multidash != null ){use_dashed = multidash;};\
  126. };\
  127. x_anim_points = [];y_anim_points = [];var idx=0;\
  128. if( use_parametric == 1){\
  129.  for(var i = 0 ; i < animation_funs; i=i+2){\
  130.   funs[i] = funs[i].replace(/t/g,'x');\
  131.   funs[i+1] = funs[i+1].replace(/t/g,'x');\
  132.   funs[i] = funs[i].replace(/xan/g,'tan');\
  133.   funs[i+1] = funs[i+1].replace(/xan/g,'tan');\
  134.   var fun_x = to_js_math(funs[i]);\
  135.   var fun_y = to_js_math(funs[i+1]);\
  136.   if(fun_x == null || fun_y == null){alert(\"Syntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6*(0.25)^(1.23)\\n1/(sin(5*x))\\n(3*x+4)/(x^(2*pi)) \");return;};\
  137.   try{ parseFloat( eval_jsmath( px2x(0),fun_x ) );}catch(e){alert(\"\\nSyntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6*(0.25)^(1.23)\\n1/(sin(5*x))\\n(3*x+4)/(x^(2*pi))\");return;};\
  138.   ctx.lineWidth = linewidth[i] || linewidth;\
  139.   ctx.strokeStyle='rgba('+color[i] || color +','+opacity[i] || opacity +')';\
  140.   if(use_dashed[i] == \"1\" || use_dashed == \"1\"){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash =[dashtype0,dashtype1];}};\
  141.   var y1;var x1;var y2;var x2;\
  142.   ctx.beginPath();\
  143.   var tmin = trange[0];var tmax = trange[1];\
  144.   var step = parseFloat((tmax - tmin)/plotsteps);\
  145.   for(var p = tmin ; p < tmax; p = p+step ){\
  146.    x1 = x2px(parseFloat(eval_jsmath(p,fun_x)));\
  147.    y1 = y2px(parseFloat(eval_jsmath(p,fun_y)));\
  148.    x2 = x2px(parseFloat(eval_jsmath(p+step,fun_x)));\
  149.    y2 = y2px(parseFloat(eval_jsmath(p+step,fun_y)));\
  150.    x_anim_points[idx] = x1;y_anim_points[idx] = y1;idx++;\
  151.     ctx.moveTo(x1,y1);\
  152.     ctx.lineTo(x2,y2);\
  153.     ctx.moveTo(x1,y1);\
  154.     ctx.lineTo(x2,y2);\
  155.   };\
  156.   ctx.closePath();\
  157.   ctx.stroke();\
  158.  };\
  159.  animation_funs = 0.5*animation_funs;\
  160. }else{\
  161.  for(var i = 0 ; i < animation_funs; i++){\
  162.   var fun = to_js_math(funs[i]);\
  163.   if(fun == null){alert(\"Syntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6*(0.25)^(1.23)\\n1/(sin(5*x))\\n(3*x+4)/(x^(2*pi)) \");return;};\
  164.   try{ parseFloat( eval_jsmath( px2x(0),fun ) );}catch(e){alert(\"\\nSyntax Error...\\nAttention : try use very precise notation !\\nlike :\\n6*(0.25)^(1.23)\\n1/(sin(5*x))\\n(3*x+4)/(x^(2*pi))\");return;};\
  165.   if(use_dashed[i] == \"1\" || use_dashed == \"1\"){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash =[dashtype0,dashtype1];}};\
  166.   ctx.lineWidth = linewidth[i] || linewidth;\
  167.   ctx.strokeStyle='rgba('+color[i] || color +','+opacity[i] || opacity +')';\
  168.   var y1;var x1;var y2;var x2;\
  169.   ctx.beginPath();\
  170.   for(var p = 0 ; p<xsize;p++){\
  171.    x1 = px2x(p);\
  172.    y1 = y2px(parseFloat(eval_jsmath(x1,fun)));\
  173.    x2 = px2x(p+1);\
  174.    y2 = y2px(parseFloat(eval_jsmath(x2,fun)));\
  175.    x_anim_points[idx] = p;y_anim_points[idx] = y1;idx++;\
  176.    if(Math.abs(y2-y1) < ysize ){\
  177.     ctx.moveTo(p,y1);\
  178.     ctx.lineTo(p+1,y2);\
  179.    };\
  180.   };\
  181.   ctx.closePath();\
  182.   ctx.stroke();\
  183.  };\
  184. };\
  185. if( use_animate == 1 ){animation_steps = idx;animate_this();}\
  186. };",canvas_root_id);
  187. break;
  188.  
  189. case JS_MATH:
  190. fprintf(js_include_file,"\n/* to_js_math() */\
  191. function to_js_math(math_fun){\
  192. if(math_fun == null){return;};\
  193. var infun=[\"sqrt\",\"^\",\"asin\",\"acos\",\"atan\",\"log\",\"pi\",\"abs\",\"sin\",\"cos\",\"tan\",\"e\"];\
  194. var outfun=[\"Math.sqrt\",\"Math.pow\",\"Math.asin\",\"Math.acos\",\"Math.atan\",\"Math.log\",\"(3.14159265358979)\",\"Math.abs\",\"Math.sin\",\"Math.cos\",\"Math.tan\",\"(2.718281828459045)\"];\
  195. var len = infun.length;var in_fun;var In_Fun;var out_fun;var w_cnt;\
  196. for(var p=0 ; p < len ; p++){\
  197.  in_fun = infun[p];In_Fun = in_fun.toUpperCase();out_fun = outfun[p];w_cnt=0;\
  198.  if(math_fun.indexOf(in_fun) != -1){\
  199.   if(in_fun == \"^\"){\
  200.    var tab = [];var small_trick = \"___small_trick___\";\
  201.    while (math_fun.indexOf(\"(\") != -1){\
  202.     math_fun = math_fun.replace(/(\\([^\\(\\)]*\\))/g, function(m, t){tab.push(t);return (small_trick + (tab.length - 1));});\
  203.     w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
  204.    };\
  205.    tab.push(math_fun);w_cnt = 0;math_fun = small_trick + (tab.length - 1);\
  206.    while (math_fun.indexOf(small_trick) != -1){\
  207.     math_fun = math_fun.replace(new RegExp(small_trick + \"(\\\\d+)\", \"g\"), function(m, d){return tab[d].replace(/(\\w*)\\^(\\w*)/g, out_fun+\"($1,$2)\");});\
  208.     w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
  209.    };\
  210.   }\
  211.   else\
  212.   {\
  213.    while( math_fun.indexOf(in_fun) != -1 ){\
  214.     math_fun = math_fun.replace(in_fun,out_fun);\
  215.     math_fun = math_fun.replace(in_fun,In_Fun);\
  216.     w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
  217.    };\
  218.   };\
  219.  };\
  220. };\
  221. for(var p=0 ; p < len ; p++){\
  222.  in_fun = infun[p];In_Fun = in_fun.toUpperCase();w_cnt = 0;\
  223.  if(math_fun.indexOf(In_Fun) != -1 ){\
  224.   while(math_fun.indexOf(In_Fun) != -1){\
  225.    math_fun = math_fun.replace(In_Fun,in_fun);\
  226.    w_cnt++;if(w_cnt>1000){alert(\"hmmm \"+math_fun+\" ?\\nUse command plot for more complex math functions...\");return null;};\
  227.   };\
  228.  };\
  229. };\
  230. return math_fun;\
  231. };");
  232. break;
  233.  
  234. case INTERACTIVE:
  235.  fprintf(js_include_file,"\n/* add mouse support */ var isTouch = (('ontouchstart' in window) || (navigator.msMaxTouchPoints > 0));var getMouse = function(e,element){var mx,my;var offsetX = 0,offsetY = 0;while( ( element = element.offsetParent) ){offsetX += element.offsetLeft;offsetY += element.offsetTop;};if(isTouch){mx = e.pageX - offsetX;my = e.pageY - offsetY;}else{mx = e.clientX - offsetX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft:document.body.scrollLeft);my = e.clientY - offsetY + (document.documentElement.scrollTop ? document.documentElement.scrollTop:document.body.scrollTop);};return {x: mx, y: my};};");
  236. break;
  237. case USERDRAW_AND_ZOOM:
  238. fprintf(js_include_file,"\n/* add zoom support for multidraw */\
  239. function recalculate_userdraw(xmin0,ymin0,xmax0,ymax0){\
  240. function x_zoom(px){\
  241.  var x = parseFloat(px*(xmax0 - xmin0)/xsize + xmin0);\
  242.  return parseFloat(x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin));\
  243. };\
  244. function y_zoom(py){\
  245.  var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
  246.  return parseFloat(-1*y*ysize/(ymax - ymin) + ymax*ysize/(ymax - ymin));\
  247. };\
  248. function r_zoom(r){\
  249.  return r*(xmin0/xmin);\
  250. };\
  251. var len = userdraw_x.length;\
  252. var x;var y;var r;\
  253. for(var p=0;p<len;p++){\
  254.  x = userdraw_x[p];\
  255.  y = userdraw_y[p];\
  256.  userdraw_x[p] = x_zoom(x);\
  257.  userdraw_y[p] = y_zoom(y);\
  258.  if( userdraw_radius[p] ){\
  259.   r = userdraw_radius[p];\
  260.   userdraw_radius[p] = r_zoom(r);\
  261.  };\
  262. };\
  263. };");
  264. break;
  265.  
  266. case DRAG_AND_ZOOM:
  267. fprintf(js_include_file,"\n/* add zoom support for drag&drop */\
  268. function recalculate_dragdrop(xmin0,ymin0,xmax0,ymax0){\
  269. function x_zoom(px){\
  270.  var x = parseFloat(px*(xmax0 - xmin0)/xsize + xmin0);\
  271.  return parseFloat(x*xsize/(xmax - xmin) - xsize*xmin/(xmax - xmin));\
  272. };\
  273. function y_zoom(py){\
  274.  var y = parseFloat(ymax0 - py*(ymax0 - ymin0)/ysize);\
  275.  return parseFloat(-1*y*ysize/(ymax - ymin) + ymax*ysize/(ymax - ymin));\
  276. };\
  277. var len = dragstuff.shapes.length;\
  278. var shape;var L;var x;var y;\
  279. for(var p=0;p<len;p++){\
  280.  shape = dragstuff.shapes[p];\
  281.  L = shape.x.length;\
  282.  for(var i=0;i<L;i++){\
  283.   x = shape.x[i];\
  284.   y = shape.y[i];\
  285.   dragstuff.shapes[p].x[i] = x_zoom(x);\
  286.   dragstuff.shapes[p].y[i] = y_zoom(y);\
  287.  };\
  288. };\
  289. };");
  290. break;
  291.  
  292. case JSPLOT_AND_ZOOM:
  293. fprintf(js_include_file,"\n/* add zoom support for jscurves */\
  294. function redraw_jsplot(){for(var p=0; p <= all_jsplots;p++){try{var fun = eval('js_plot'+p);fun();}catch(e){};};};");
  295. break;
  296.  
  297. case JS_ZOOM:
  298. fprintf(js_include_file,"\n/* add zoom support */\
  299. var x_min_start = xmin;var x_max_start = xmax;var y_min_start = ymin;var y_max_start = ymax;\
  300. var zoomcanvas = create_canvas%d(%d,xsize,ysize);\
  301. function redraw_canvas%d(key){\
  302. var xmin0 = xmin;var xmax0 = xmax;var ymin0 = ymin;var ymax0 = ymax;\
  303. switch(key){\
  304.  case 0: xmin++;ymin++;xmax--;ymax--;break;\
  305.  case 1: xmin--;ymin--;xmax++;ymax++;break;\
  306.  case 2: xmin--;xmax--;break;\
  307.  case 3: xmin++;xmax++;break;\
  308.  case 4: ymin--;ymax--;break;\
  309.  case 5: ymax++;ymin++;break;\
  310.  case 6: xmin = x_min_start;xmax=x_max_start;ymin=y_min_start;ymax=y_max_start;break;\
  311.  default: break;\
  312. };\
  313. if(xmin >= xmax){xmin = x_min_start;xmax = x_max_start;};\
  314. if(ymin >= ymax){ymax = y_max_start;ymin = y_min_start;};\
  315. if( typeof(recalculate_multidraw) === 'function'){recalculate_multidraw(xmin0,xmax0,ymin0,ymax0);redraw_userdraw();}\
  316. if( typeof(recalculate_userdraw) === 'function'){recalculate_userdraw(xmin0,ymin0,xmax0,ymax0);redraw_userdraw();}\
  317. if( typeof(redraw_grid) === 'function'){redraw_grid();};\
  318. if( typeof(redraw_jsplot) === 'function'){redraw_jsplot();};\
  319. if( typeof(recalculate_dragdrop) === 'function'){recalculate_dragdrop(xmin0,ymin0,xmax0,ymax0);dragstuff.valid = false;dragstuff.draw();};\
  320. return;\
  321. };\
  322. canvas_div.addEventListener(\"mousedown\",check_zoom_or_pan,false);\
  323. canvas_div.addEventListener(\"wheel\",wheel_zoom,false);\
  324. canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();check_zoom_or_pan(e.changedTouches[0]);},false);\
  325. function wheel_zoom(evt){\
  326. evt.preventDefault();\
  327. var key = 1;\
  328. if(evt.deltaY > 0 ){key = 0};\
  329. redraw_canvas%d(key);\
  330. return;\
  331. };\
  332. function check_zoom_or_pan(evt){\
  333. var mouse = getMouse(evt,zoomcanvas);\
  334. var my = mouse.y;\
  335. if(my < ysize - 30){ return; };\
  336. var mx = mouse.x;\
  337. var key = -1;\
  338. for(var p = 15 ; p < 106 ; p = p+15){\
  339.  key++;\
  340.  if(mx > xsize - p){\
  341.   redraw_canvas%d(key);\
  342.   return;\
  343.  };\
  344. };\
  345. return;\
  346. };",canvas_root_id,ZOOM_CANVAS,canvas_root_id,canvas_root_id,canvas_root_id);
  347. break;
  348.  
  349. case DRAW_FILL_PATTERN:
  350. fprintf(js_include_file,"\n /* add fill pattern */ \
  351. function create_Pattern(x0,y0,type,color){document.body.style.cursor = 'wait';var idx = Math.ceil(1000*(Math.random()));var canvas = create_canvas%d(idx,xsize,ysize);canvas.style.visibility = 'hidden';var ctx = canvas.getContext(\"2d\");var x;var y;var dx = 6;var dy = 6;ctx.lineWidth = 1;ctx.strokeStyle = color;ctx.fillStyle = color;var pat;\
  352. switch(type){\
  353.  case 2: for( x = 0 ; x < xsize ; x = x + dx ){ctx.beginPath();ctx.moveTo(x,0);ctx.lineTo(x,ysize);ctx.closePath();ctx.stroke();};for( y = 0 ; y < ysize; y = y + dy ){ctx.beginPath();ctx.moveTo(0,y);ctx.lineTo(xsize,y);ctx.closePath();ctx.stroke();}; pat = ctx.createPattern(canvas,\"no-repeat\");break;\
  354.  case 3: y = ysize;ctx.beginPath();for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(x,0);ctx.lineTo(xsize,y);y = y - dy;};y = 0;for( x = xsize ; x > 0 ; x = x - dx){ctx.moveTo(x,ysize);ctx.lineTo(0,y); y = y + dy;};ctx.closePath();ctx.stroke(); pat = ctx.createPattern(canvas,\"no-repeat\");break;\
  355.  case 4: y = ysize;ctx.beginPath();for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(x,0); ctx.lineTo(xsize,y); y = y - dy;};y = 0;for( x = xsize ; x > 0 ; x = x - dx){ctx.moveTo(x,ysize);ctx.lineTo(0,y);y = y + dy;};y = 0;for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(x,0); ctx.lineTo(0,y); y = y + dy;};y = 0;for( x = 0 ; x < xsize ; x = x + dx ){ctx.moveTo(xsize,y);ctx.lineTo(x,ysize);y = y + dy;};ctx.closePath(); ctx.stroke(); pat = ctx.createPattern(canvas,\"no-repeat\");break;\
  356.  case 5: for( x = 0 ; x < xsize ; x = x + dx ){for( y = 0 ; y < ysize ; y = y + dy ){ctx.beginPath();ctx.arc(x,y,1,0,2*Math.PI,false);ctx.closePath();ctx.fill();};}; pat = ctx.createPattern(canvas,\"no-repeat\");break;\
  357.  case 6: alert('wait for image '+(image_cnt+1)+'...');pat = image_patterns[image_cnt];image_cnt++;break;\
  358.  default: break;\
  359. };\
  360. document.body.style.cursor = 'default';return pat;\
  361. };",canvas_root_id);
  362. break;
  363.  
  364. case JS_TRANSFORM_MOUSE:
  365. /* identify mouse coordinates on transformed objects using command affine */
  366. fprintf(js_include_file,"\n/* translate mouse */\
  367. function transform_mouse(mx,my,obj){\
  368. if( typeof(obj.affine_matrix) === 'undefined' ){console.log('translate_mouse() affine_matrix undefined');{x:mx,y:my};};\
  369. var m = obj.affine_matrix;\
  370. var d = 1/(m[0]*m[3]-m[1]*m[2]);\
  371. var im = [ m[3]*d, -m[1]*d,-m[2]*d,m[0]*d,d*(m[2]*m[5]-m[3]*m[4]),d*(m[1]*m[4]-m[0]*m[5]) ];\
  372. return { x:mx*im[0]+my*im[2]+im[4], y:mx*im[1]+my*im[3]+im[5] };};");
  373. break;
  374.  
  375. case JS_ROTATE_MOUSE:
  376. /*
  377. identify mouse coordinates on rotated STRING (no 14) objects used for command rotate :
  378. faster than transform matrix
  379. */
  380. fprintf(js_include_file,"\n/* rotate mouse */\
  381. function rotate_mouse(mx,my,obj){\
  382. if( typeof(obj.angle) === 'undefined' ){console.log('rotate_mouse() angle undefined');return {x:mx,y:my};};\
  383. var cos = Math.cos(obj.angle);\
  384. var sin = Math.sin(obj.angle);\
  385. var xc = obj.rotation_center[0];\
  386. var yc = obj.rotation_center[1];\
  387. var x_r = parseInt((cos * (mx - xc)) + (sin * (my - yc)) + xc);\
  388. var y_r = parseInt((cos * (my - yc)) - (sin * (mx - xc)) + yc);\
  389. return {x:x_r,y:y_r};};");
  390. break;
  391.  
  392. case JS_FIND_ANGLE:
  393.  fprintf(js_include_file,"\n/* function find_angle() */ function find_angle(xc,yc,x1,y1){var dx = x1 - xc;var dy = yc - y1;return Math.atan2(dx,dy);};");
  394. break;
  395.  
  396. case DRAG_EXTERNAL_IMAGE:
  397. /*
  398. the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
  399. reply is object{} and identical to reply from dragstuff library for drag&drop&click
  400. reply[object_cnt] = {type:onclick,x:x0,y:y0,r:radius,angle:angle,clicked:0|1};
  401.  
  402.  
  403.    img[6]= parseInt(img[6] - img[16]);\
  404.    img[7]= parseInt(img[7] - img[17]);\
  405.    else{\
  406.     img[6]= parseInt(img[6] + img[16]);\
  407.     img[7]= parseInt(img[7] + img[17]);\
  408.   };\
  409.  
  410. */
  411. fprintf(js_include_file,"\n/* drag external images */\
  412. var external_ctx = external_canvas.getContext(\"2d\");\
  413. var external_canvas_rect = external_canvas.getBoundingClientRect();\
  414. canvas_div.addEventListener(\"mousedown\",setxy,false);\
  415. canvas_div.addEventListener(\"mouseup\",dragstop,false);\
  416. canvas_div.addEventListener(\"mousemove\",dragxy,false);\
  417. canvas_div.addEventListener(\"touchstart\",function(e){ e.preventDefault();setxy(e.changedTouches[0]);},false);\
  418. canvas_div.addEventListener(\"touchend\"  ,function(e){ e.preventDefault();dragstop(e.changedTouches[0]);},false);\
  419. canvas_div.addEventListener(\"touchmove\" ,function(e){ e.preventDefault();dragxy(e.changedTouches[0]);},false);\
  420. var selected_image = null;\
  421. if( typeof(ext_drag_images) !== 'object' ){var ext_drag_images = new Array();};\
  422. if( typeof(ext_image_cnt) == 'undefined'){var ext_image_cnt = 0;};\
  423. function drag_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,onclick,object_cnt,use_offset,use_snap,resize){\
  424. var image = new Image();\
  425. image.src = URL;\
  426. slidergroup[object_cnt] = null;\
  427. image.onload = function(){\
  428.  if( sx < 1 ){ sx = 0; };\
  429.  if( sy < 1 ){ sy = 0; };\
  430.  if( swidth < 1 ){swidth = image.width;};\
  431.  if( sheight < 1 ){sheight = image.height;};\
  432.  if( width < 1 ){width = image.width;};\
  433.  if( height < 1 ){height = image.height;};\
  434.  if( resize == 1 ){\
  435.   if( swidth > image.width ){ swidth = image.width; };\
  436.   if( sheight > image.height){ sheight = image.height;};\
  437.   if( width > image.width ){ width = image.width; };\
  438.   if( height > image.height){ height = image.height;};\
  439.  };\
  440.  var img = new Array(18);\
  441.  img[0] = onclick;img[1] = image;img[2] = sx;img[3] = sy;img[4] = swidth;img[5] = sheight;\
  442.  img[8] = width;img[9] = height;img[10] = object_cnt;img[11] = use_snap;\
  443.  img[6] = x0;img[7] = y0;\
  444.  img[12] = ext_image_cnt;\
  445.  img[13] = img[6];img[14] = img[7];img[15] = 0;img[16] = 0;img[17] = 0;\
  446.  if(use_offset == 4 ){\
  447.   img[16] = 0.5*img[8];\
  448.   img[17] = 0.5*img[9];\
  449.   img[6]= parseInt(img[6] - img[16]);\
  450.   img[7]= parseInt(img[7] - img[17]);\
  451.  };\
  452.  external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
  453.  dragdrop_reply[img[10]] = {object_cnt:object_cnt,type:img[0],x:x0,y:y0,r:0,angle:0,clicked:img[15]};\
  454.  ext_drag_images[ext_image_cnt] = img;\
  455.  ext_image_cnt++;\
  456. };\
  457. };\
  458. function dragstop(evt){\
  459. if(selected_image != null){\
  460.  var s_img = ext_drag_images[selected_image];\
  461.  dragdrop_reply[s_img[10]] = {type:s_img[0],x:s_img[6]+s_img[16],y:s_img[7]+s_img[17],r:s_img[8],angle:s_img[15],clicked:s_img[15]};\
  462.  console.log(dragdrop_reply[s_img[12]]);\
  463. };\
  464. selected_image = null;return;\
  465. };\
  466. function dragxy(evt){\
  467. if( selected_image != null ){\
  468.  var s_img = ext_drag_images[selected_image];\
  469.  var mouse = getMouse(evt,external_canvas);\
  470.  var xy = multisnap_check(mouse.x,mouse.y,s_img[11]);\
  471.  xy[0] = parseInt(xy[0] - 0.5*s_img[8]);\
  472.  xy[1] = parseInt(xy[1] - 0.5*s_img[9]);\
  473.  s_img[6] = xy[0];s_img[7] = xy[1];\
  474.  ext_drag_images[selected_image] = s_img;\
  475.  external_ctx.clearRect(0,0,xsize,ysize);\
  476.  for(var i = 0; i < ext_image_cnt ; i++){\
  477.   var img = ext_drag_images[i];\
  478.   external_ctx.drawImage(img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8],img[9]);\
  479.  };\
  480. };\
  481. };\
  482. function setxy(evt){\
  483. if( ! selected_image ){\
  484.  console.log(selected_image);\
  485.  var mouse = getMouse(evt,external_canvas);\
  486.  var xm = mouse.x;\
  487.  var ym = mouse.y;\
  488.  var img;var xmarge;var ymarge;\
  489.  for(var p = 0 ; p < ext_image_cnt ; p++){\
  490.   if( ext_drag_images[p] ){\
  491.    img = ext_drag_images[p];\
  492.    if( img[0] != 0 ){\
  493.     xmarge = 0.5*img[8];ymarge = 0.5*img[9];\
  494.     if( xm > img[6] - xmarge && xm < img[6] + img[8]){\
  495.      if( ym > img[7] - ymarge && ym < img[7] + img[9]){\
  496.       if( img[0] == 1){\
  497.        if( dragdrop_reply[img[10]].clicked == 1 ){\
  498.         dragdrop_reply[img[10]].clicked = 0;external_ctx.strokeStyle = '#ffffff';\
  499.        }\
  500.        else\
  501.        {\
  502.         dragdrop_reply[img[10]].clicked = 1;external_ctx.strokeStyle = '#00ff00';\
  503.        };\
  504.        external_ctx.lineWidth = 2;\
  505.        external_ctx.beginPath();\
  506.        external_ctx.rect(img[6]-2,img[7]-2,img[8]+2,img[9]+2);\
  507.        external_ctx.closePath();\
  508.        external_ctx.stroke();\
  509.        return;\
  510.       }\
  511.       else\
  512.       {\
  513.        img[6] = xm;\
  514.        img[7] = ym;\
  515.        selected_image = p;\
  516.        dragxy(evt);\
  517.        ext_drag_images[p] = img;\
  518.       };\
  519.      };\
  520.     };\
  521.    };\
  522.   };\
  523.  };\
  524. }\
  525. else\
  526. {\
  527.  selected_image = null;\
  528. };\
  529. };");
  530. break;
  531.  
  532. case DRAW_EXTERNAL_IMAGE:
  533. /*
  534. the external_canvas is already created: it needs to be FIRST in order to do some drawing onto it
  535. only drag_xy !
  536. snaptogrid | xsnaptogrid | ysnaptogrid works
  537. 14/5/2019
  538. on heavy styled wims (unice.fr etc problems with mouse?
  539. now uniform method of retreiving mouse coordinates getMouse()
  540. */
  541. fprintf(js_include_file,"\n/* draw external images */\
  542. function draw_external_image(URL,sx,sy,swidth,sheight,x0,y0,width,height,use_offset,resize){\
  543. var external_ctx = image_copy_canvas.getContext(\"2d\");\n\
  544. var image = new Image();\
  545. image.src = URL;\
  546. image.onload = function(){\
  547.  if( sx < 1 ){ sx = 0; };\
  548.  if( sy < 1 ){ sy = 0; };\
  549.  if( swidth < 1 ){swidth = image.width;};\
  550.  if( sheight < 1 ){sheight = image.height;};\
  551.  if( width < 1 ){width = image.width;};\
  552.  if( height < 1 ){height = image.height;};\
  553.  if( resize == 1 ){\
  554.   if( swidth > image.width ){ swidth = image.width; };\
  555.   if( sheight > image.height){ sheight = image.height;};\
  556.   if( width > image.width ){ width = image.width; };\
  557.   if( height > image.height){ height = image.height;};\
  558.  };\
  559.  var img = new Array(9);\
  560.  img[0] = image;img[1] = sx;img[2] = sy;img[3] = swidth;img[4] = sheight;img[5] = x0;img[6] = y0;\
  561.  if(use_offset == 4 ){img[5] = parseInt(img[5] - 0.5*width);img[6] = parseInt(img[6] - 0.5*height);};\
  562.  img[7] = width;img[8] = height;\
  563.  external_ctx.drawImage(img[0],img[1],img[2],img[3],img[4],img[5],img[6],img[7],img[8]);\
  564. };\
  565. };");
  566. break;
  567.  
  568. case DRAW_BEZIER:
  569. fprintf(js_include_file,"\n/* draw bezier curve */\
  570. if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
  571. function draw_bezier(canvas_type,linewidth,xy_points,fill_color,fill_opacity,stroke_color,stroke_opacity,use_filled,use_dashed,dashtype0,dashtype1,use_rotate,angle){\
  572. var obj;\
  573. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  574.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  575. }\
  576. else\
  577. {\
  578.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  579. };\
  580. var ctx = obj.getContext(\"2d\");\
  581. ctx.save();\
  582. ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  583. ctx.lineWidth = linewidth;\
  584. if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);};\
  585. if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
  586. ctx.beginPath();\
  587. ctx.moveTo(x2px(xy_points[0]),y2px(xy_points[1]));\
  588. ctx.bezierCurveTo(x2px(xy_points[2]),y2px(xy_points[3]),x2px(xy_points[4]),y2px(xy_points[5]),x2px(xy_points[6]),y2px(xy_points[7]));\
  589. var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
  590. if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
  591. ctx.stroke();\
  592. ctx.restore();\
  593. };",canvas_root_id,canvas_root_id,canvas_root_id);
  594. break;
  595.  
  596. case DRAW_GRIDFILL:/* not used for userdraw */
  597. fprintf(js_include_file,"\n/* draw gridfill */\
  598. var grid_fill_pattern;\
  599. function draw_gridfill(canvas_type,x0,y0,dx,dy,linewidth,color,opacity,xsize,ysize,use_userdraw){\
  600. if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
  601. var fc = %d+canvas_type;\
  602. var obj = create_canvas%d(fc,xsize,ysize);\
  603. var ctx = obj.getContext('2d');\
  604. var x,y;\
  605. ctx.fillStyle='rgba(255,255,255,0.01)';\
  606. ctx.rect(0,0,xsize,ysize);\
  607. ctx.fill();\
  608. ctx.lineWidth = linewidth;\
  609. ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
  610. for( x = 0 ; x <= xsize ; x = x + dx ){\
  611.  ctx.beginPath();\
  612.  ctx.moveTo(x,0);\
  613.  ctx.lineTo(x,ysize);\
  614.  ctx.closePath();\
  615.  ctx.stroke();\
  616. };\
  617. for( y = 0 ; y <= ysize; y = y + dy ){\
  618.  ctx.beginPath();\
  619.  ctx.moveTo(0,y);\
  620.  ctx.lineTo(xsize,y);\
  621.  ctx.closePath();\
  622.  ctx.stroke();\
  623. };\
  624. if( use_userdraw ){\
  625.  grid_fill_pattern = ctx;\
  626. }\
  627. else\
  628. {\
  629.  setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);};return;\
  630. };",canvas_root_id,canvas_root_id);
  631. break;
  632.  
  633. case DRAW_IMAGEFILL:/* not  used for userdraw */
  634. fprintf(js_include_file,"\n/* draw imagefill */\
  635. function draw_imagefill(canvas_type,x0,y0,URL,xsize,ysize,use_userdraw,use_scaling){\
  636. var fc = %d+canvas_type;\
  637. var obj = create_canvas%d(fc,xsize,ysize);\
  638. var ctx = obj.getContext('2d');\
  639. var img = new Image();\
  640. img.src = URL;\
  641. obj.style.visibility = 'hidden';\
  642. img.onload = function(){\
  643.  if( use_scaling == 1 ){\
  644.   ctx.drawImage(img,x0,y0,xsize,ysize);\
  645.  }else{\
  646.   var w0 = img.width;var h0 = img.height;var w;var h;\
  647.   for( w = x0; w < xsize ; w = w + w0 ){\
  648.    for( h = y0; h < ysize; h = h + h0){\
  649.      ctx.drawImage(img,w,h,w0,h0);\
  650.    };\
  651.   };\
  652.  };\
  653.  if( use_userdraw ){\
  654.   image_pattern = ctx;\
  655.  }\
  656.  else\
  657.  {\
  658.   setTimeout(function(){ filltoborder( x0,y0,'red','red',canvas_type,true,ctx); },500);\
  659.  };\
  660. };\
  661. };",canvas_root_id,canvas_root_id);
  662. break;
  663.  
  664. case DRAW_DOTFILL:/* not  used for userdraw */
  665. fprintf(js_include_file,"\n/* draw dotfill */\
  666. var dot_fill_pattern;\
  667. function draw_dotfill(canvas_type,x0,y0,dx,dy,radius,color,opacity,xsize,ysize,use_userdraw){\
  668. if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
  669. var fc = %d+canvas_type;\
  670. var obj = create_canvas%d(fc,xsize,ysize);\
  671. var ctx = obj.getContext('2d');\
  672. var x,y;\
  673. ctx.fillStyle='rgba(255,255,255,0.01)';\
  674. ctx.rect(0,0,xsize,ysize);\
  675. ctx.fill();\
  676. ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
  677. ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
  678. for( x = 0 ; x < xsize ; x = x + dx ){\
  679.  for( y = 0 ; y < ysize ; y = y + dy ){\
  680.   ctx.beginPath();\
  681.   ctx.arc(x,y,radius,0,2*Math.PI,false);\
  682.   ctx.closePath();\
  683.   ctx.fill();\
  684.  };\
  685. };\
  686. if( use_userdraw ){\
  687.  dot_fill_pattern = ctx;\
  688. }\
  689. else\
  690. {\
  691. setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
  692. };\
  693. return;\
  694. };",canvas_root_id,canvas_root_id);
  695. break;
  696.  
  697. case DRAW_TEXTFILL:/* not  used for userdraw */
  698. fprintf(js_include_file,"\n/* draw textfill */\
  699. var text_fill_pattern;\
  700. function draw_textfill(canvas_type,x0,y0,color,fontfamily,xsize,ysize,txt,use_userdraw){\
  701. var fc = %d+canvas_type;\
  702. var obj = create_canvas%d(fc,xsize,ysize);\
  703. var ctx = obj.getContext('2d');\
  704. ctx.font = fontfamily;\
  705. var dx = 2+(ctx.measureText(txt)).width;\
  706. var dy = 2+(ctx.measureText('MI')).width;\
  707. ctx.fillStyle='rgba(255,255,255,0.01)';\
  708. ctx.rect(0,0,xsize,ysize);\
  709. ctx.fill();\
  710. ctx.fillStyle=\"rgba(\"+color+\",0.01)\";\
  711. ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
  712. for(var x = 0 ; x <= xsize ; x = x + dx ){\
  713. for(var y = 0 ; y <= ysize ; y = y + dy ){\
  714.  ctx.fillText(txt, x, y);\
  715. };\
  716. };\
  717. if( use_userdraw ){\
  718. text_fill_pattern = ctx;\
  719. }\
  720. else\
  721. {\
  722. setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
  723. };\
  724. return;};",canvas_root_id,canvas_root_id);
  725. break;
  726.  
  727. case DRAW_DIAMONDFILL:/* not used for userdraw */
  728. fprintf(js_include_file,"\n/* draw hatch fill */\
  729. var diamond_fill_pattern;\
  730. function draw_diamondfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
  731. if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
  732. var fc = %d+canvas_type;\
  733. var obj = create_canvas%d(fc,xsize,ysize);\
  734. var ctx = obj.getContext('2d');\
  735. var x;\
  736. var y;\
  737. ctx.lineWidth = linewidth;\
  738. ctx.fillStyle='rgba(255,255,255,0.01)';\
  739. ctx.rect(0,0,xsize,ysize);\
  740. ctx.fill();\
  741. ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
  742. y = ysize;\
  743. ctx.beginPath();\
  744. for( x = 0 ; x <= xsize ; x = x + dx ){\
  745.  ctx.moveTo(x,0);\
  746.  ctx.lineTo(xsize,y);\
  747.  y = y - dy;\
  748. };\
  749. y=0;\
  750. for( x = xsize ; x >= 0 ; x = x - dx){\
  751. ctx.moveTo(x,ysize);\
  752. ctx.lineTo(0,y);\
  753. y = y + dy;\
  754. };\
  755. y = 0;\
  756. for( x = 0 ; x <= xsize ; x = x + dx ){\
  757. ctx.moveTo(x,0);\
  758. ctx.lineTo(0,y);\
  759. y = y + dy;\
  760. };\
  761. y = 0;\
  762. for( x = 0 ; x <= xsize ; x = x + dx ){\
  763. ctx.moveTo(xsize,y);\
  764. ctx.lineTo(x,ysize);\
  765. y = y + dy;\
  766. };\
  767. ctx.closePath();\
  768. ctx.stroke();\
  769. if( use_userdraw ){\
  770. diamond_fill_pattern = ctx;\
  771. }\
  772. else\
  773. {\
  774. setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
  775. };\
  776. return;\
  777. }",canvas_root_id,canvas_root_id);
  778. break;
  779.  
  780. case DRAW_HATCHFILL:/* not used for userdraw */
  781. fprintf(js_include_file,"\n/* draw hatch fill */\
  782. var hatch_fill_pattern;\
  783. function draw_hatchfill(canvas_type,x0,y0,dx,dy,linewidth,color,stroke_opacity,xsize,ysize,use_userdraw){\
  784. if( dx == 0 || dy == 0 ){alert(\"increment is zero !!! \");return;};\
  785. var fc = %d+canvas_type;\
  786. var obj = create_canvas%d(fc,xsize,ysize);\
  787. var ctx = obj.getContext('2d');\
  788. var x,y;\
  789. ctx.fillStyle='rgba(255,255,255,0.01)';\
  790. ctx.rect(0,0,xsize,ysize);\
  791. ctx.fill();\
  792. ctx.strokeStyle=\"rgba(\"+color+\",0.01)\";\
  793. ctx.lineWidth = linewidth;\
  794. y = ysize;\
  795. ctx.beginPath();\
  796. for( x = 0 ; x <= xsize ; x = x + dx ){\
  797. ctx.moveTo(x,0);\
  798. ctx.lineTo(xsize,y);\
  799. y = y - dy;\
  800. };\
  801. y = 0;\
  802. for( x = xsize ; x >= dx ; x = x - dx){\
  803. ctx.moveTo(x,ysize);\
  804. ctx.lineTo(0,y);\
  805. y = y + dy;\
  806. };\
  807. ctx.closePath();\
  808. ctx.stroke();\
  809. if( use_userdraw ){\
  810. hatch_fill_pattern = ctx;\
  811. }\
  812. else\
  813. {\
  814. setTimeout(function(){ filltoborder( x0,y0,color,color,canvas_type,true,ctx); },500);\
  815. };\
  816. return;};",canvas_root_id,canvas_root_id);
  817. break;
  818.  
  819. case DRAW_LINES:/*  used for js-tracing */
  820. fprintf(js_include_file,"\n/* draw lines */\
  821. function calc_line(x1,x2,y1,y2){\
  822. var marge = 2;\
  823. if(x1 < x2+marge && x1>x2-marge){\
  824.  return [x1,0,x1,ysize];\
  825. };\
  826. if(y1 < y2+marge && y1>y2-marge){\
  827.  return [0,y1,xsize,y1];\
  828. };\
  829. var Y1 = y1 - (x1)*(y2 - y1)/(x2 - x1);\
  830. var Y2 = y1 + (xsize - x1)*(y2 - y1)/(x2 - x1);\
  831. return [0,Y1,xsize,Y2];\
  832. };\
  833. var draw_lines = function(ctx,x_points,y_points,line_width,stroke_color,stroke_opacity,use_dashed,dashtype0,dashtype1,use_rotate,angle){\
  834. ctx.save();\
  835. var line = new Array(4);\
  836. if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
  837. ctx.lineWidth = line_width;\
  838. ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  839. if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
  840. for(var p = 0 ; p < x_points.length ; p = p+2 ){\
  841.  line = calc_line(x_points[p],x_points[p+1],y_points[p],y_points[p+1]);\
  842.  ctx.beginPath();\
  843.  ctx.moveTo(line[0],line[1]);\
  844.  ctx.lineTo(line[2],line[3]);\
  845.  ctx.closePath();\
  846.  ctx.stroke();\
  847.  }\
  848.  ctx.restore();\
  849.  return;\
  850. };");
  851. break;
  852.  
  853. case DRAW_CROSSHAIRS:/*  used for tracing */
  854. fprintf(js_include_file,"\n/* draw crosshairs  */\
  855. var draw_crosshairs = function(ctx,x_points,y_points,line_width,crosshair_size,stroke_color,stroke_opacity,use_rotate,angle){\
  856. ctx.save();\
  857. if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
  858. ctx.lineWidth = line_width;\
  859. ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  860. var x1,x2,y1,y2;\
  861. for(var p = 0 ; p < x_points.length ; p++ ){\
  862.  x1 = x_points[p] - crosshair_size;\
  863.  x2 = x_points[p] + crosshair_size;\
  864.  y1 = y_points[p] - crosshair_size;\
  865.  y2 = y_points[p] + crosshair_size;\
  866.  ctx.beginPath();\
  867.  ctx.moveTo(x1,y1);\
  868.  ctx.lineTo(x2,y2);\
  869.  ctx.closePath();\
  870.  ctx.stroke();\
  871.  ctx.beginPath();\
  872.  ctx.moveTo(x2,y1);\
  873.  ctx.lineTo(x1,y2);\
  874.  ctx.closePath();\
  875.  ctx.stroke();\
  876. }\
  877. ctx.restore();\
  878.  return;\
  879. };");
  880. break;
  881.  
  882. case DRAW_VIDEO:/* not  used for userdraw */
  883. fprintf(js_include_file,"\n/* draw video */\
  884. var draw_video = function(canvas_root_id,x,y,w,h,URL){\
  885. var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
  886. var video_div = document.createElement(\"div\");\
  887. canvas_div.appendChild(video_div);\
  888. video_div.style.position = \"absolute\";\
  889. video_div.style.left = x+\"px\";\
  890. video_div.style.top = y+\"px\";\
  891. video_div.style.width = w+\"px\";\
  892. video_div.style.height = h+\"px\";\
  893. var video = document.createElement(\"video\");\
  894. video_div.appendChild(video);\
  895. video.style.width = w+\"px\";\
  896. video.style.height = h+\"px\";\
  897. video.autobuffer = true;\
  898. video.controls = true;video.autoplay = false;\
  899. var src = document.createElement(\"source\");\
  900. src.type = \"video/mp4\";\
  901. src.src = URL;\
  902. video.appendChild(src);\
  903. video.load();\
  904. return;\
  905. };");
  906. break;
  907.  
  908. case DRAW_AUDIO:/* not used for userdraw */
  909. fprintf(js_include_file,"\n/* draw audio */\
  910. var draw_audio = function(canvas_root_id,x,y,w,h,loop,visible,URL1,URL2){\
  911. var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
  912. var audio_div = document.createElement(\"div\");\
  913. canvas_div.appendChild(audio_div);\
  914. audio_div.style.position = \"absolute\";\
  915. audio_div.style.left = x+\"px\";\
  916. audio_div.style.top = y+\"px\";\
  917. audio_div.style.width = w+\"px\";\
  918. audio_div.style.height = h+\"px\";\
  919. var audio = document.createElement(\"audio\");\
  920. audio_div.appendChild(audio);\
  921. audio.setAttribute(\"style\",\"width:\"+w+\"px;height:\"+h+\"px\");\
  922. audio.autobuffer = true;\
  923. if(visible == 1 ){ audio.controls = true;audio.autoplay = false;}else{ audio.controls = false;audio.autoplay = true;};\
  924. if(loop == 1 ){ audio.loop = true;}else{ audio.loop = false;};\
  925. var src1 = document.createElement(\"source\");\
  926. src1.type = \"audio/ogg\";\
  927. src1.src = URL1;\
  928. audio.appendChild(src1);\
  929. var src2 = document.createElement(\"source\");\
  930. src2.type = \"audio/mpeg\";\
  931. src2.src = URL2;\
  932. audio.appendChild(src2);\
  933. audio.load();\
  934. return;\
  935. };");
  936. break;
  937.  
  938. case DRAW_HTTP:/* not  used for userdraw */
  939. fprintf(js_include_file,"\n/* draw http */\
  940. var draw_http = function(canvas_root_id,x,y,w,h,URL){\
  941. var canvas_div = document.getElementById(\"canvas_div\"+canvas_root_id);\
  942. var http_div = document.createElement(\"div\");\
  943. var iframe = document.createElement(\"iframe\");\
  944. canvas_div.appendChild(http_div);\
  945. http_div.appendChild(iframe);\
  946. iframe.src = URL;\
  947. iframe.setAttribute(\"width\",w);\
  948. iframe.setAttribute(\"height\",h);\
  949. return;\
  950. };");
  951. break;
  952.  
  953. case DRAW_XML:
  954. /*
  955. !! function draw_xml(object)
  956. !! produced by : DRAW_XML
  957. !! used by commands: katex,latex,mathml,html,obabel
  958. !! uses js-functions: calculate_size(xml_div),rad2deg(rad)
  959. !! user interaction: drag,onclick,slider
  960. !! reply function: read_dragdrop()
  961.  
  962. onclick=0; no interaction
  963. onclick=1: click
  964. onclick=2: drag ==> always centered (use_offset=4)
  965. onclick=3: slider + click on object
  966. onclick=4: slider (always active , keyword 'active' in slider params)
  967. onclick=5: slider + dragdrop
  968. xy:  drag_type = 0;
  969. x:   drag_type = 1;
  970. y:   drag_type = 2;
  971.  
  972. obj.type: mathml,katex,html,svg,image(bitmap) (attention: for centering image needs to be measured after loading page !!)
  973. */
  974.  
  975. fprintf(js_include_file,"\n/* draw xml */\
  976. function centered(xml_div,obj){\
  977. var ww = 0.5*(parseFloat(window.getComputedStyle(xml_div).width));\
  978. var hh = 0.5*(parseFloat(window.getComputedStyle(xml_div).height));\
  979. obj.offset = [ ww , hh ];\
  980. xml_div.style.left = obj.x[0] - obj.offset[0] +'px';\
  981. xml_div.style.top  = obj.y[0] - obj.offset[1] +'px';\
  982. };\
  983. function rad2deg(rad){return rad*180/(Math.PI);};\
  984. if( typeof(slidergroup) !== 'object' ){ var slidergroup = [];};\
  985. function draw_xml(obj){\
  986. var mouse;var xy = [obj.x[0],obj.y[0]];\
  987. var xml_div;\
  988. dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:obj.x,y:obj.y,r:0,angle:obj.angle,clicked:0};\
  989. if( obj.once ){\
  990.  xml_div = document.createElement('DIV');\
  991.  canvas_div.appendChild(xml_div);\
  992.  if( obj.type == 'katex' ){ obj.mathml = LoadKaTeX('html',obj.mathml);};\
  993.  xml_div.id = 'xml_div'+obj.id;\
  994.  xml_div.innerHTML = obj.mathml;\
  995.  xml_div.style.position = \"absolute\";\
  996.  xml_div.style.color = \"rgba(\"+obj.stroke_color+\",\"+obj.stroke_opacity+\")\";\
  997.  xml_div.style.font = obj.fontfamily;\
  998.  if( ! obj.rotation_center){obj.rotation_center = [obj.x[0],obj.y[0]];}else{obj.rotation_center=[x2px(obj.rotation_center[0]) ,y2px(obj.rotation_center[1]) ];};\
  999.  if( obj.use_center == 1 ){if( obj.type == 'image' ){xml_div.addEventListener('load',function(e){centered(xml_div,obj);},true);}else{centered(xml_div,obj);};};\
  1000. }\
  1001. else\
  1002. {\
  1003.  xml_div = document.getElementById('xml_div'+obj.id );\
  1004. };\
  1005. if( typeof(xml_div) === 'undefined' ){console.log('hmmmmm'); return;};\
  1006. xml_div.style.left = parseInt(obj.x[0] - obj.offset[0]) +'px';\
  1007. xml_div.style.top  = parseInt(obj.y[0] - obj.offset[1]) +'px';\
  1008. var back_color = 'rgba('+obj.fill_color+','+obj.fill_opacity+')';\
  1009. var no_color = 'rgba(255,255,255,0)';var dragging = false;\
  1010. if( obj.use_affine != 0 || obj.angle != 0 ){\
  1011.  xml_div.style.transform = 'matrix('+obj.transform[0]+','+obj.transform[1]+','+obj.transform[2]+','+obj.transform[3]+','+obj.transform[4]+','+obj.transform[5]+') rotate('+rad2deg(obj.angle)+'deg)';\
  1012. };\
  1013. if( obj.once ){\
  1014.  obj.once = false;\
  1015.  switch(obj.onclick){\
  1016.   case 2:\
  1017.    if(isTouch){\
  1018.     canvas_div.addEventListener('touchmove' ,function(evt){ evt.preventDefault();if(!dragging){return;};mouse = getMouse(evt.changedTouches[0],xml_div);xy = multisnap_check( mouse.x,mouse.y,obj.use_snap);xml_div.style.left = xy[0] - obj.offset[0] - obj.transform[4] + 'px';xml_div.style.top = xy[1] - obj.offset[1] - obj.transform[5] + 'px';},false);\
  1019.     canvas_div.addEventListener('touchend'  ,function(evt){ evt.preventDefault();dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
  1020.     xml_div.addEventListener('touchstart',function(evt){evt.preventDefault();if(dragging){dragging = false;xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.backgroundColor = back_color;};},false);\
  1021.     xml_div.addEventListener('touchend'  ,function(evt){ evt.preventDefault();dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
  1022.    }else{\
  1023.     canvas_div.addEventListener('mousemove',function(evt){if(!dragging){return;};mouse = getMouse(evt,xml_div);xy = multisnap_check( mouse.x,mouse.y,obj.use_snap);xml_div.style.left = xy[0] - obj.offset[0] - obj.transform[4] + 'px';xml_div.style.top = xy[1] - obj.offset[1] - obj.transform[5] + 'px';},false);\
  1024.     canvas_div.addEventListener('mouseup',function(evt){dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
  1025.     xml_div.addEventListener('mousedown', function(evt){if(dragging){dragging = false;xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.backgroundColor = back_color;};},false);\
  1026.    };\
  1027.    break;\
  1028.   case 1:\
  1029.    if(isTouch ){\
  1030.     xml_div.addEventListener('touchstart', function(e){ e.preventDefault();if(dragdrop_reply[obj.object_cnt].clicked == 0){ dragdrop_reply[obj.object_cnt].clicked = 1;xml_div.style.backgroundColor = back_color;}else{dragdrop_reply[obj.object_cnt].clicked = 0;xml_div.style.backgroundColor = no_color;};} ,false);\
  1031.    }else{\
  1032.     xml_div.addEventListener('mousedown'  , function(evt){if(dragdrop_reply[obj.object_cnt].clicked == 0){ dragdrop_reply[obj.object_cnt].clicked = 1;xml_div.style.backgroundColor = back_color;}else{dragdrop_reply[obj.object_cnt].clicked = 0;xml_div.style.backgroundColor = no_color;};} ,false);\
  1033.    };\
  1034.    break;\
  1035.   case 3:\
  1036.    if(isTouch ){\
  1037.     xml_div.addEventListener('touchstart',function(evt){ if(slidergroup[obj.object_cnt] == null ){ slidergroup[obj.object_cnt] = obj;xml_div.style.backgroundColor = back_color;}else{ slidergroup[obj.object_cnt] = null;xml_div.style.backgroundColor = no_color;};} ,false);\
  1038.    }else{\
  1039.     xml_div.addEventListener('mousedown' ,function(evt){ if(slidergroup[obj.object_cnt] == null ){ slidergroup[obj.object_cnt] = obj;xml_div.style.backgroundColor = back_color;}else{ slidergroup[obj.object_cnt] = null;xml_div.style.backgroundColor = no_color;};} ,false);\
  1040.    };\
  1041.    break;\
  1042.   case 4:slidergroup[obj.object_cnt] = obj;break;\
  1043.   case 5:slidergroup[obj.object_cnt] = obj;\
  1044.    canvas_div.addEventListener('mousemove',function(evt){if(!dragging){return;};mouse = getMouse(evt,xml_div);xy = multisnap_check( mouse.x,mouse.y,obj.use_snap);xml_div.style.left = xy[0] - obj.offset[0] - obj.transform[4] + 'px';xml_div.style.top = xy[1] - obj.offset[1] - obj.transform[5] + 'px';},false);\
  1045.    canvas_div.addEventListener('mouseup',function(evt){dragging = false;xml_div.style.backgroundColor = no_color;dragdrop_reply[obj.object_cnt] = {object_cnt:obj.object_cnt,type:obj.onclick,x:xy[0],y:xy[1],r:0,angle:obj.angle,clicked:0};obj.x[0] = xy[0];obj.y[0] = xy[1];},false);\
  1046.    xml_div.addEventListener('mousedown', function(evt){if(dragging){dragging = false;xml_div.style.backgroundColor = no_color;}else{dragging = true;xml_div.style.backgroundColor = back_color;};},false);\
  1047.    break;\
  1048.   default: break;\
  1049.  };\
  1050. };\
  1051. return;\
  1052. };");
  1053.  
  1054. /*
  1055. console.log('angle='+obj.angle+'obj.use_center='+obj.use_center+'id='+obj.id+'xml_div.id = '+xml_div.id+' once ='+obj.once+' offset='+ obj.offset+' div x = '+xml_div.style.left+' div y ='+xml_div.style.top+' obj.x='+px2x(obj.x)+'obj.y='+px2y(obj.y));\
  1056. */
  1057. break;
  1058.  
  1059. case DRAW_SGRAPH:
  1060. /*
  1061.  xstart = given
  1062.  ystart = given
  1063.  sgraph(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily)
  1064. */
  1065. fprintf(js_include_file,"\n/* draw sgraph */\
  1066. var draw_sgraph = function(canvas_type,precision,xmajor,ymajor,xminor,yminor,majorcolor,minorcolor,fontfamily,opacity,font_size){\
  1067. var obj;if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{ obj = create_canvas%d(canvas_type,xsize,ysize);};\
  1068. var ctx = obj.getContext(\"2d\");\
  1069. ctx.font = fontfamily;\
  1070. var minor_opacity = 0.8*opacity;\
  1071. ctx.clearRect(0,0,xsize,ysize);\
  1072. var zero_x = 0.1*xsize;\
  1073. var zero_y = 0.9*ysize;\
  1074. var snor_x;var snor_y;\
  1075. if( xstart != xmin){\
  1076.  snor_x = 0.1*xsize;\
  1077. }\
  1078. else\
  1079. {\
  1080.  snor_x = 0;\
  1081.  xstart = xmin;\
  1082. };\
  1083. ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
  1084. ctx.lineWidth = 2;\
  1085. ctx.beginPath();\
  1086. ctx.moveTo(xsize,zero_y);\
  1087. ctx.lineTo(zero_x,zero_y);\
  1088. ctx.lineTo(zero_x,0);\
  1089. ctx.stroke();\
  1090. ctx.closePath();\
  1091. ctx.beginPath();\
  1092. ctx.moveTo(zero_x,zero_y);\
  1093. ctx.lineTo(zero_x + 0.25*snor_x,zero_y - 0.1*snor_x);\
  1094. ctx.lineTo(zero_x + 0.5*snor_x,zero_y + 0.1*snor_x);\
  1095. ctx.lineTo(zero_x + 0.75*snor_x,zero_y - 0.1*snor_x);\
  1096. ctx.lineTo(zero_x + snor_x,zero_y);\
  1097. ctx.stroke();\
  1098. ctx.closePath();\
  1099. ctx.beginPath();\
  1100. var num = xstart;\
  1101. var flipflop = 1;\
  1102. var step_x = xmajor*(xsize - zero_x - snor_x)/(xmax - xstart);\
  1103. var txtsize;var txt_marge=step_x - 5;\
  1104. for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
  1105.  txtsize = ctx.measureText(num).width;\
  1106.  if( txtsize > txt_marge ){if( flipflop == 1 ){flipflop = 0;}else{flipflop = 1;};};\
  1107.  if( flipflop == 1){\
  1108.   ctx.fillText(num,x - 0.5*txtsize,zero_y+font_size);\
  1109.  }\
  1110.  else\
  1111.  {\
  1112.   ctx.fillText(num,x - 0.5*txtsize,zero_y+2*font_size);\
  1113.  };\
  1114.  num = num + xmajor;\
  1115. };\
  1116. ctx.stroke();\
  1117. ctx.closePath();\
  1118. ctx.lineWidth = 1;\
  1119. ctx.beginPath();\
  1120. for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
  1121.   ctx.moveTo(x,zero_y);\
  1122.   ctx.lineTo(x,0);\
  1123. };\
  1124. ctx.stroke();\
  1125. ctx.closePath();\
  1126. if( xminor > 1){\
  1127.  ctx.lineWidth = 0.5;\
  1128.  ctx.beginPath();\
  1129.  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
  1130.  var minor_step_x = step_x / xminor;\
  1131.  var nx;\
  1132.  for(var x = zero_x+snor_x; x < xsize;x = x + step_x){\
  1133.    num = 1;\
  1134.    for(var p = 1 ; p < xminor ; p++){\
  1135.     nx = x + num*minor_step_x;\
  1136.     ctx.moveTo(nx,zero_y);\
  1137.     ctx.lineTo(nx,0);\
  1138.     num++;\
  1139.    };\
  1140.  };\
  1141.  ctx.stroke();\
  1142.  ctx.closePath();\
  1143.  ctx.beginPath();\
  1144.  ctx.lineWidth = 2;\
  1145.  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
  1146.  for(var x = zero_x+snor_x ; x < xsize;x = x + step_x){\
  1147.   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 12);\
  1148.  };\
  1149.  for(var x = zero_x+snor_x ; x < xsize;x = x + minor_step_x){\
  1150.   ctx.moveTo(x,zero_y);ctx.lineTo(x,zero_y - 6);\
  1151.  };\
  1152.  ctx.stroke();\
  1153.  ctx.closePath();\
  1154.  ctx.lineWidth = 0.5;\
  1155. };\
  1156. xmin = xstart - (xmajor*(zero_x+snor_x)/step_x);\
  1157. if( ystart != ymin){\
  1158.  snor_y = 0.1*ysize;\
  1159. }\
  1160. else\
  1161. {\
  1162.  snor_y = 0;\
  1163.  ystart = ymin;\
  1164. };\
  1165. ctx.lineWidth = 2;\
  1166. ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
  1167. ctx.beginPath();\
  1168. ctx.moveTo(zero_x,zero_y);\
  1169. ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.25*snor_y);\
  1170. ctx.lineTo(zero_x + 0.1*snor_y,zero_y - 0.5*snor_y);\
  1171. ctx.lineTo(zero_x - 0.1*snor_y,zero_y - 0.75*snor_y);\
  1172. ctx.lineTo(zero_x,zero_y - snor_y);\
  1173. ctx.stroke();\
  1174. ctx.closePath();\
  1175. ctx.beginPath();\
  1176. ctx.lineWidth = 1;\
  1177. num = ystart;\
  1178. var step_y = ymajor*(zero_y - snor_y)/(ymax - ystart);\
  1179. for(var y = zero_y - snor_y ; y > 0; y = y - step_y){\
  1180.  ctx.moveTo(zero_x,y);\
  1181.  ctx.lineTo(xsize,y);\
  1182.  ctx.fillText(num,zero_x - ctx.measureText(num+\" \").width,parseInt(y+0.2*font_size));\
  1183.  num = num + ymajor;\
  1184. };\
  1185. ctx.stroke();\
  1186. ctx.closePath();\
  1187. if( yminor > 1){\
  1188.  ctx.lineWidth = 0.5;\
  1189.  ctx.beginPath();\
  1190.  ctx.strokeStyle = \"rgba(\"+minorcolor+\",\"+minor_opacity+\")\";\
  1191.  var minor_step_y = step_y / yminor;\
  1192.  var ny;\
  1193.  for(var y = 0 ; y < zero_y - snor_y ;y = y + step_y){\
  1194.   num = 1;\
  1195.   for(var p = 1 ;p < yminor;p++){\
  1196.     ny = y + num*minor_step_y;\
  1197.     ctx.moveTo(zero_x,ny);\
  1198.     ctx.lineTo(xsize,ny);\
  1199.     num++;\
  1200.    };\
  1201.  };\
  1202.  ctx.stroke();\
  1203.  ctx.closePath();\
  1204.  ctx.lineWidth = 2;\
  1205.  ctx.beginPath();\
  1206.  ctx.strokeStyle = \"rgba(\"+majorcolor+\",\"+opacity+\")\";\
  1207.  for(var y = zero_y - snor_y ; y > 0 ;y = y - step_y){\
  1208.   ctx.moveTo(zero_x,y);\
  1209.   ctx.lineTo(zero_x+12,y);\
  1210.  };\
  1211.  for(var y = zero_y - snor_y ; y > 0 ;y = y - minor_step_y){\
  1212.   ctx.moveTo(zero_x,y);\
  1213.   ctx.lineTo(zero_x+6,y);\
  1214.  };\
  1215.  ctx.stroke();\
  1216.  ctx.closePath();\
  1217. };\
  1218. ymin = ystart - (ymajor*(ysize - zero_y + snor_y)/step_y);\
  1219. if( typeof(legend%d)  !== 'undefined' ){\
  1220.  ctx.globalAlpha = 1.0;\
  1221.  var y_offset = 2*font_size;\
  1222.  var txt;var txt_size;\
  1223.  var x_offset = xsize - 2*font_size;\
  1224.  var l_length = legend%d.length;var barcolor = new Array();\
  1225.  if( typeof(legendcolors%d) !== 'undefined' ){\
  1226.   for(var p = 0 ; p < l_length ; p++){\
  1227.    barcolor[p] = legendcolors%d[p];\
  1228.   };\
  1229.  }else{\
  1230.   if( barcolor.length == 0 ){\
  1231.    for(var p = 0 ; p < l_length ; p++){\
  1232.     barcolor[p] = stroke_color;\
  1233.    };\
  1234.   };\
  1235.  };\
  1236.  for(var p = 0; p < l_length; p++){\
  1237.   ctx.fillStyle = barcolor[p];\
  1238.   txt = legend%d[p];\
  1239.   txt_size = ctx.measureText(txt).width;\
  1240.   ctx.fillText(legend%d[p],x_offset - txt_size, y_offset);\
  1241.   y_offset = parseInt(y_offset + 1.5*font_size);\
  1242.  };\
  1243. };\
  1244. if( typeof(xaxislabel) !== 'undefined' ){\
  1245.   ctx.fillStyle = \'#000000\';\
  1246.   var txt_size = ctx.measureText(xaxislabel).width + 4 ;\
  1247.   ctx.fillText(xaxislabel,xsize - txt_size, zero_y - 7);\
  1248. };\
  1249. if( typeof(yaxislabel) !== 'undefined'){\
  1250.   ctx.save();\
  1251.   ctx.fillStyle = \'#000000\';\
  1252.   var txt_size = ctx.measureText(yaxislabel).width;\
  1253.   ctx.translate(zero_x+8 + font_size,txt_size+font_size);\
  1254.   ctx.rotate(-0.5*Math.PI);\
  1255.   ctx.fillText(yaxislabel,0,0);\
  1256.   ctx.restore();\
  1257. };\
  1258. };",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
  1259. break;
  1260.  
  1261. case DRAW_NUMBERLINE:
  1262. fprintf(js_include_file,"\n/* draw numberline */\
  1263. var draw_numberline = function(canvas_type,use_axis_numbering,x0,x1,xmajor,xminor,y0,y1,linewidth,strokecolor,strokeopacity,fontfamily,fontcolor,precision){\
  1264. var obj = create_canvas%d(canvas_type,xsize,ysize);\
  1265. var ctx = obj.getContext(\"2d\");\
  1266. ctx.lineWidth = linewidth || 1;\
  1267. ctx.strokeStyle = \"rgba(\"+strokecolor+\",\"+strokeopacity+\")\";\
  1268. ctx.font = fontfamily || 'Arial 12px';\
  1269. var fontsize = parseInt(ctx.font);\
  1270. ctx.fillStyle =  \"rgba(\"+fontcolor+\",\"+strokeopacity+\")\";\
  1271. x1 = x2px(x1);\
  1272. x0 = x2px(x0);\
  1273. y0 = y2px(y0);\
  1274. y1 = y2px(y1);\
  1275. var sub_devision = -1;\
  1276. if( xminor%%2 == 0 ){ sub_devision = xminor/2; };\
  1277. var ybase1 = parseInt( y0 + fontsize + 2 );\
  1278. var ybase2 = parseInt( ybase1 + fontsize + 2 );\
  1279. var yh = Math.abs(parseInt( y0 - 0.3*(y0 -y1)));\
  1280. var ys = Math.abs(parseInt( y0 - 0.6*(y0 -y1)));\
  1281. xmajor = x2px(xmajor) - x2px(0);\
  1282. var i;var len;var p;\
  1283. xminor = xmajor / xminor;\
  1284. ctx.beginPath();\
  1285. for(p = x0 ; p < x1 ; p = p + xmajor){\
  1286.  ctx.moveTo(p,y0);ctx.lineTo(p,y1);i = 0;\
  1287.  for(var s = p ; s < p + xmajor ; s = s + xminor ){\
  1288.   ctx.moveTo(s,y0);\
  1289.   if( sub_devision == i){ ctx.lineTo(s,ys); } else { ctx.lineTo(s,yh); };\
  1290.   i++;\
  1291.  };\
  1292. };\
  1293. ctx.moveTo(p,y0);ctx.lineTo(p,y1);\
  1294. ctx.closePath();\
  1295. ctx.stroke();\
  1296. if( use_axis_numbering >-1 ){\
  1297.  var str = x_strings[use_axis_numbering];\
  1298.  len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
  1299.  var corr;var x_nums;var x_text;var flipflop = 0;var off = ybase1;\
  1300.  ctx.beginPath();\
  1301.  if( x_strings_up[use_axis_numbering] == null){\
  1302.   for(var p = 0 ; p < len ; p = p+2){\
  1303.    var x_nums = x2px(eval(str[p]));\
  1304.    var x_text = str[p+1];\
  1305.    corr = ctx.measureText(x_text).width;\
  1306.    if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
  1307.    ctx.fillText(x_text,parseInt(x_nums-0.5*corr),off);\
  1308.   };\
  1309.  }\
  1310.  else\
  1311.  {\
  1312.   for(var p = 0 ; p < len ; p = p+2){\
  1313.    x_nums = x2px(eval(str[p]));\
  1314.    x_text = str[p+1];\
  1315.    corr = ctx.measureText(x_text).width + ybase1 - fontsize;\
  1316.    ctx.save();\
  1317.    ctx.translate(x_nums+0.5*fontsize, corr);\
  1318.    ctx.rotate(-1.5708);\
  1319.    ctx.fillText(x_text,0,0);\
  1320.    ctx.restore();\
  1321.   };\
  1322.  }\
  1323. }\
  1324. else\
  1325. {\
  1326.  var corr;var num;var flipflop = 0;var off = ybase1;\
  1327.  var prec = parseInt(Math.log(precision)/Math.log(10));\
  1328.  for(var p = x0 ; p < x1+xmajor ; p = p+xmajor){\
  1329.   num = (px2x(p)).toFixed(prec);\
  1330.   corr = ctx.measureText(num).width;\
  1331.   if( corr > xmajor){ if(flipflop == 0 ){flipflop = 1; off = ybase2;}else{flipflop = 0; off = ybase1;};};\
  1332.   ctx.fillText(num,parseInt(p - 0.5*corr),off);\
  1333.  };\
  1334. };\
  1335. };",canvas_root_id);
  1336. break;
  1337.  
  1338. case DRAW_GRID:/* not used for userdraw */
  1339. fprintf(js_include_file,"\n/* draw grid */\
  1340. var draw_grid%d = function(canvas_type,precision,stroke_opacity,xmajor,ymajor,xminor,yminor,tics_length,line_width,stroke_color,axis_color,font_size,font_family,use_axis,use_axis_numbering,use_dashed,dashtype0,dashtype1,font_color,fill_opacity){\
  1341. var obj;if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{obj = create_canvas%d(canvas_type,xsize,ysize);};\
  1342. var ctx = obj.getContext(\"2d\");ctx.clearRect(0,0,xsize,ysize);\
  1343. if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{ctx.mozDash = [dashtype0,dashtype1];};};\
  1344. ctx.save();\
  1345. var stroke_color = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  1346. ctx.fillStyle = \"rgba(\"+font_color+\",\"+1.0+\")\";\
  1347. var axis_color = \"rgba(\"+axis_color+\",\"+stroke_opacity+\")\";\
  1348. ctx.font = font_family;\
  1349. var barcolor = new Array();\
  1350. var xstep = xsize*xmajor/(xmax - xmin);\
  1351. var ystep = ysize*ymajor/(ymax - ymin);\
  1352. var x2step = xstep / xminor;\
  1353. var y2step = ystep / yminor;\
  1354. var zero_x = x2px(0);var zero_y = y2px(0);var f_x;var f_y;\
  1355. if(xmin < 0 ){ f_x = -1;}else{ f_x = 1;};\
  1356. if(ymin < 0 ){ f_y = -1;}else{ f_y = 1;};\
  1357. ctx.beginPath();\
  1358. ctx.lineWidth = line_width;\
  1359. ctx.strokeStyle = stroke_color;\
  1360. for(var p = zero_x ; p < xsize; p = p + xstep){\
  1361. ctx.moveTo(p,0);\
  1362. ctx.lineTo(p,ysize);\
  1363. };\
  1364. for(var p = zero_x ; p > 0; p = p - xstep){\
  1365. ctx.moveTo(p,0);\
  1366. ctx.lineTo(p,ysize);\
  1367. };\
  1368. for(var p = zero_y ; p < ysize; p = p + ystep){\
  1369. ctx.moveTo(0,p);\
  1370. ctx.lineTo(xsize,p);\
  1371. };\
  1372. for(var p = zero_y ; p > 0; p = p - ystep){\
  1373. ctx.moveTo(0,p);\
  1374. ctx.lineTo(xsize,p);\
  1375. };\
  1376. if( typeof(xaxislabel) !== 'undefined' ){\
  1377. ctx.save();\
  1378. ctx.font = \"italic \"+font_size+\"px Arial\";\
  1379. var corr =  parseInt(1.1*ctx.measureText(xaxislabel).width);\
  1380. ctx.fillText(xaxislabel,xsize - corr,zero_y - tics_length - 0.4*font_size);\
  1381. ctx.restore();\
  1382. };\
  1383. if( typeof(yaxislabel) !== 'undefined' ){\
  1384. ctx.save();\
  1385. ctx.font = \"italic \"+font_size+\"px Arial\";\
  1386. var corr = parseInt(ctx.measureText(yaxislabel).width + font_size);\
  1387. ctx.translate(zero_x+tics_length + font_size,corr);\
  1388. ctx.rotate(-0.5*Math.PI);\
  1389. ctx.fillText(yaxislabel,0,0);\
  1390. ctx.restore();\
  1391. };\
  1392. ctx.stroke();\
  1393. ctx.closePath();",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
  1394.  
  1395. if( use_axis == 1 ){
  1396. fprintf(js_include_file,"\
  1397. ctx.save();\
  1398. ctx.beginPath();\
  1399. ctx.strokeStyle = stroke_color;\
  1400. ctx.lineWidth = 0.6*line_width;\
  1401. for(var p = zero_x ; p < xsize; p = p + x2step){\
  1402.  ctx.moveTo(p,0);\
  1403.  ctx.lineTo(p,ysize);\
  1404. };\
  1405. for(var p = zero_x ; p > 0; p = p - x2step){\
  1406.  ctx.moveTo(p,0);\
  1407.  ctx.lineTo(p,ysize);\
  1408. };\
  1409. for(var p = zero_y ; p < ysize; p = p + y2step){\
  1410.  ctx.moveTo(0,p);\
  1411.  ctx.lineTo(xsize,p);\
  1412. };\
  1413. for(var p = zero_y ; p > 0; p = p - y2step){\
  1414.  ctx.moveTo(0,p);\
  1415.  ctx.lineTo(xsize,p);\
  1416. };\
  1417. ctx.stroke();\
  1418. ctx.closePath();\
  1419. ctx.beginPath();\
  1420. ctx.lineWidth = 2*line_width;\
  1421. ctx.strokeStyle = axis_color;\
  1422. ctx.moveTo(0,zero_y);\
  1423. ctx.lineTo(xsize,zero_y);\
  1424. ctx.moveTo(zero_x,0);\
  1425. ctx.lineTo(zero_x,ysize);\
  1426. ctx.stroke();\
  1427. ctx.closePath();\
  1428. ctx.lineWidth = line_width+0.5;\
  1429. ctx.beginPath();\
  1430. for(var p = zero_x ; p < xsize; p = p + xstep){\
  1431.  ctx.moveTo(p,zero_y-tics_length);\
  1432.  ctx.lineTo(p,zero_y+tics_length);\
  1433. };\
  1434. for(var p = zero_x ; p > 0; p = p - xstep){\
  1435.  ctx.moveTo(p,zero_y-tics_length);\
  1436.  ctx.lineTo(p,zero_y+tics_length);\
  1437. };\
  1438. for(var p = zero_y ; p < ysize; p = p + ystep){\
  1439.  ctx.moveTo(zero_x-tics_length,p);\
  1440.  ctx.lineTo(zero_x+tics_length,p);\
  1441. };\
  1442. for(var p = zero_y ; p > 0; p = p - ystep){\
  1443.  ctx.moveTo(zero_x-tics_length,p);\
  1444.  ctx.lineTo(zero_x+tics_length,p);\
  1445. };\
  1446. for(var p = zero_x ; p < xsize; p = p + x2step){\
  1447.  ctx.moveTo(p,zero_y-0.5*tics_length);\
  1448.  ctx.lineTo(p,zero_y+0.5*tics_length);\
  1449. };\
  1450. for(var p = zero_x ; p > 0; p = p - x2step){\
  1451.  ctx.moveTo(p,zero_y-0.5*tics_length);\
  1452.  ctx.lineTo(p,zero_y+0.5*tics_length);\
  1453. };\
  1454. for(var p = zero_y ; p < ysize; p = p + y2step){\
  1455.  ctx.moveTo(zero_x-0.5*tics_length,p);\
  1456.  ctx.lineTo(zero_x+0.5*tics_length,p);\
  1457. };\
  1458. for(var p = zero_y ; p > 0; p = p - y2step){\
  1459.  ctx.moveTo(zero_x-0.5*tics_length,p);\
  1460.  ctx.lineTo(zero_x+0.5*tics_length,p);\
  1461. };\
  1462. ctx.stroke();\
  1463. ctx.closePath();\
  1464. ctx.restore();");
  1465. }
  1466.  
  1467. if( use_axis_numbering != -1 ){
  1468. fprintf(js_include_file,"\
  1469. ctx.save();\
  1470. ctx.fillColor = axis_color;\
  1471. ctx.strokeStyle = axis_color;\
  1472. ctx.lineWidth = 2*line_width;\
  1473. ctx.font = font_family;\
  1474. var shift = zero_y+2*font_size;var flip=0;var skip=0;var corr;var cnt;var disp_cnt;var prec;\
  1475. if( x_strings[use_axis_numbering] != null ){\
  1476.  var str = x_strings[use_axis_numbering];\
  1477.  var len = str.length;if((len/2+0.5)%%2 == 0){ alert(\"xaxis number unpaired:  text missing ! \");return;};\
  1478.  ctx.beginPath();\
  1479.  if( x_strings_up[use_axis_numbering] == null){\
  1480.   for(var p = 0 ; p < len ; p = p+2){\
  1481.    var x_nums = x2px(eval(str[p]));\
  1482.    var x_text = str[p+1];\
  1483.    corr = ctx.measureText(x_text).width;\
  1484.    skip = 1.2*corr/xstep;\
  1485.    if( zero_y+2*font_size > ysize ){shift = ysize - 2*font_size;};\
  1486.    if( skip > 1 ){if(flip == 0 ){flip = 1; shift = shift + font_size;}else{flip = 0; shift = shift - font_size;};};\
  1487.    ctx.fillText(x_text,parseInt(x_nums-0.5*corr),shift);\
  1488.    ctx.moveTo(x_nums,zero_y - tics_length);\
  1489.    ctx.lineTo(x_nums,zero_y + tics_length);\
  1490.   };\
  1491.  }\
  1492.  else\
  1493.  {\
  1494.   for(var p = 0 ; p < len ; p = p+2){\
  1495.    var x_nums = x2px(eval(str[p]));\
  1496.    var x_text = str[p+1];\
  1497.    corr = 2 + tics_length + zero_y + ctx.measureText(x_text).width;\
  1498.    if( corr > ysize ){corr = ysize;};\
  1499.    ctx.save();\
  1500.    ctx.translate(x_nums+0.25*font_size, corr);\
  1501.    ctx.rotate(-1.5708);\
  1502.    ctx.fillText(x_text,0,0);\
  1503.    ctx.restore();\
  1504.    ctx.moveTo(x_nums,zero_y - tics_length);\
  1505.    ctx.lineTo(x_nums,zero_y + tics_length);\
  1506.   };\
  1507.  };\
  1508.  ctx.closePath();\
  1509. }\
  1510. else\
  1511. {\
  1512.  skip = 1;cnt = px2x(zero_x);\
  1513.  prec = Math.log(precision)/(Math.log(10));\
  1514.  var y_basis;if(f_y == 1){ y_basis = ysize }else{ y_basis = zero_y + 1.4*font_size;};\
  1515.  for( var p = zero_x ; p < xsize ; p = p+xstep){\
  1516.   if(skip == 0 ){\
  1517.    disp_cnt = cnt.toFixed(prec);\
  1518.    corr = ctx.measureText(disp_cnt).width;\
  1519.    skip = parseInt(1.2*corr/xstep);\
  1520.    ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
  1521.   }\
  1522.   else\
  1523.   {\
  1524.    skip--;\
  1525.   };\
  1526.   cnt = cnt + xmajor;\
  1527.  };\
  1528.  cnt = px2x(zero_x);skip = 1;\
  1529.  for( var p = zero_x ; p > 0 ; p = p-xstep){\
  1530.   if(skip == 0 ){\
  1531.    disp_cnt = cnt.toFixed(prec);\
  1532.    corr = ctx.measureText(disp_cnt).width;\
  1533.    skip = parseInt(1.2*corr/xstep);\
  1534.    ctx.fillText(disp_cnt,p-0.5*corr,y_basis);\
  1535.   }\
  1536.   else\
  1537.   {\
  1538.    skip--;\
  1539.   };\
  1540.   cnt = cnt - xmajor;\
  1541.  };\
  1542. };\
  1543. if( y_strings != null ){\
  1544.  var len = y_strings.length;if((len/2+0.5)%%2 == 0){ alert(\"yaxis number unpaired:  text missing ! \");return;};\
  1545.  ctx.beginPath();\
  1546.  for(var p = 0 ; p < len ; p = p+2){\
  1547.   var y_nums = y2px(eval(y_strings[p]));\
  1548.   var y_text = y_strings[p+1];\
  1549.   corr = 2 + tics_length + ctx.measureText(y_text).width;\
  1550.   if( corr > zero_x){corr = parseInt(zero_x+2); }\
  1551.   ctx.fillText(y_text,zero_x - corr,y_nums + 0.5*font_size);\
  1552.   ctx.moveTo(zero_x - tics_length,y_nums);\
  1553.   ctx.lineTo(zero_x + tics_length,y_nums);\
  1554.  };\
  1555.  ctx.closePath();\
  1556. }\
  1557. else\
  1558. {\
  1559.  if(f_x == 1){ corr = 1.5*tics_length; }\
  1560.  cnt = px2y(zero_y);skip = 1;\
  1561.  for( var p = zero_y ; p < ysize ; p = p+ystep){\
  1562.   if(skip == 0 ){\
  1563.    skip = parseInt(1.4*font_size/ystep);\
  1564.    disp_cnt = cnt.toFixed(prec);\
  1565.    if(f_x == -1 ){ corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
  1566.    ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
  1567.   }\
  1568.   else\
  1569.   {\
  1570.    skip--;\
  1571.   };\
  1572.   cnt = cnt - ymajor;\
  1573.  };\
  1574.  corr = 0;cnt = px2y(zero_y);skip = 1;\
  1575.  if(f_x == 1){ corr = 1.5*tics_length; }\
  1576.  for( var p = zero_y ; p > 0 ; p = p-ystep){\
  1577.   if(skip == 0 ){\
  1578.    skip = parseInt(1.4*font_size/ystep);\
  1579.    disp_cnt = cnt.toFixed(prec);\
  1580.    if(f_x == -1 ){corr = parseInt(zero_x - (2 + tics_length + ctx.measureText(disp_cnt).width));};\
  1581.    ctx.fillText(disp_cnt,parseInt(corr),parseInt(p+(0.4*font_size)));\
  1582.   }\
  1583.   else\
  1584.   {\
  1585.    skip--;\
  1586.   };\
  1587.   cnt = cnt + ymajor;\
  1588.  };\
  1589. };\
  1590. ctx.stroke();\
  1591. ctx.restore();");
  1592. }
  1593.  
  1594. if( legend_cnt != -1 ){
  1595. fprintf(js_include_file,"ctx.save();\
  1596. ctx.globalAlpha = 1.0;\
  1597. ctx.font = \"bold \"+font_size+\"px Arial\";\
  1598. var y_offset = 2*font_size;\
  1599. var txt;var txt_size;\
  1600. var x_offset = xsize - 2*font_size;\
  1601. var l_length = legend0.length;\
  1602. if( typeof(legendcolors0) !== 'undefined' ){\
  1603.  for(var p = 0 ; p < l_length ; p++){\
  1604.    barcolor[p] = legendcolors0[p];\
  1605.  };\
  1606. }\
  1607. else\
  1608. {\
  1609.  if( barcolor.length == 0 ){\
  1610.   for(var p = 0 ; p < l_length ; p++){\
  1611.    barcolor[p] = stroke_color;\
  1612.   };\
  1613.  };\
  1614. };\
  1615. for(var p = 0; p < l_length; p++){\
  1616.  ctx.fillStyle = barcolor[p];\
  1617.  txt = legend0[p];\
  1618.  txt_size = ctx.measureText(txt).width;\
  1619.  ctx.fillText(legend0[p],x_offset - txt_size, y_offset);\
  1620.  y_offset = parseInt(y_offset + 1.5*font_size);\
  1621. };\
  1622. ctx.restore();");
  1623. }
  1624.  
  1625. if( barchart_cnt != 0 ){
  1626. fprintf(js_include_file,"ctx.save();\
  1627. var num_barcharts = 0;\
  1628. var bar_name = eval('barchart_0');\
  1629. while( typeof(bar_name) !== 'undefined' ){\
  1630.    try{ bar_name = eval('barchart_'+num_barcharts);num_barcharts++;}catch(e){break;};\
  1631. };\
  1632. var bar_width = parseInt(0.8*x2step/(num_barcharts));\
  1633. for(var i=0 ; i< num_barcharts ; i++){\
  1634.  bar_name = eval('barchart_'+i);\
  1635.  var bar_x = new Array();\
  1636.  var bar_y = new Array();\
  1637.  var lb = bar_name.length;\
  1638.  var idx = 0;\
  1639.  var dx = parseInt(0.5*i*bar_width);\
  1640.  for( var p = 0 ; p < lb ; p = p + 3 ){\
  1641.   bar_x[idx] = x2px(bar_name[p]);\
  1642.   bar_y[idx] = y2px(bar_name[p+1]);\
  1643.   barcolor[idx] = bar_name[p+2];\
  1644.   idx++;\
  1645.  };\
  1646.  ctx.globalAlpha = fill_opacity;\
  1647.  for( var p = 0; p < idx ; p++ ){\
  1648.   ctx.beginPath();\
  1649.   ctx.strokeStyle = barcolor[p];\
  1650.   ctx.fillStyle = barcolor[p];\
  1651.   ctx.rect(bar_x[p]-0.4*x2step+dx,bar_y[p],bar_width,zero_y - bar_y[p]);\
  1652.   ctx.fill();\
  1653.   ctx.stroke();\
  1654.   ctx.closePath();\
  1655.  };\
  1656. };\
  1657. ctx.restore();");
  1658. }
  1659.  
  1660. if( linegraph_cnt != 0 ){
  1661. fprintf(js_include_file,"ctx.save();\
  1662. ctx.globalAlpha = 1.0;\
  1663. var i = 0;\
  1664. var line_name = eval('linegraph_'+i);\
  1665. while ( typeof(line_name) !== 'undefined' ){\
  1666.  ctx.strokeStyle = 'rgba('+line_name[0]+','+stroke_opacity+')';\
  1667.  ctx.lineWidth = parseInt(line_name[1]);\
  1668.  if(line_name[2] == \"1\"){\
  1669.   var d1 = parseInt(line_name[3]);\
  1670.   var d2 = parseInt(line_name[4]);\
  1671.   if(ctx.setLineDash){ ctx.setLineDash([d1,d2]); } else { ctx.mozDash = [d1,d2];};\
  1672.  }\
  1673.  else\
  1674.  {\
  1675.  if(ctx.setLineDash){ctx.setLineDash = null;};if(ctx.mozDash){ctx.mozDash = null;}\
  1676.  };\
  1677.  var data_x = new Array();var data_y = new Array();\
  1678.  var lb = line_name.length;var idx = 0;\
  1679.  for( var p = 5 ; p < lb ; p = p + 2 ){\
  1680.   data_x[idx] = x2px(line_name[p]);\
  1681.   data_y[idx] = y2px(line_name[p+1]);\
  1682.   idx++;\
  1683.  };\
  1684.  for( var p = 0; p < idx ; p++){\
  1685.   ctx.beginPath();\
  1686.   ctx.moveTo(data_x[p],data_y[p]);\
  1687.   ctx.lineTo(data_x[p+1],data_y[p+1]);\
  1688.   ctx.stroke();\
  1689.   ctx.closePath();\
  1690.  };\
  1691.  i++;\
  1692.  try{ line_name = eval('linegraph_'+i); }catch(e){ break; }\
  1693. };\
  1694. ctx.restore();return;");
  1695. }
  1696. fprintf(js_include_file,"};");
  1697.  
  1698. break;
  1699.  
  1700. case DRAW_PIECHART:
  1701. fprintf(js_include_file,"\n/* draw piecharts */\
  1702. if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
  1703. function draw_piechart(canvas_type,x_center,y_center,radius, data_color_list,fill_opacity,legend_cnt,font_family,use_filled,use_offset){\
  1704. var obj;\
  1705. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  1706.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  1707. }\
  1708. else\
  1709. {\
  1710.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  1711. };\
  1712. var center_text = use_offset || 0;\
  1713. var ld = data_color_list.length;\
  1714. var sum = 0;\
  1715. var idx = 0;\
  1716. var font_size = parseInt(font_family.replace(/[^0-9\\.]+/g, \"\"));\
  1717. var colors = new Array();\
  1718. var data = new Array();\
  1719. for(var p = 0;p < ld; p = p + 2){\
  1720.  data[idx] = parseFloat(data_color_list[p]);\
  1721.  sum = sum + data[idx];\
  1722.  colors[idx] = data_color_list[p+1];\
  1723.  idx++;\
  1724. };\
  1725. if( use_filled > 1 ){\
  1726.  var i = 2;\
  1727.  for(var p = 0 ;  p < idx ; p++){\
  1728.   if(i > 5 ){ i = 2; };\
  1729.   var pat = create_Pattern(0,0,i,colors[p]); all_fill_patterns[p] = pat;i++;\
  1730.  };\
  1731. };\
  1732. var ctx = obj.getContext(\"2d\");\
  1733. ctx.save();\
  1734. var angle;\
  1735. var angle_end = 0;\
  1736. var offset = Math.PI / 2;\
  1737. ctx.globalAlpha = fill_opacity;\
  1738. var angles = [];\
  1739. for(var p=0; p < idx; p++){\
  1740.  ctx.beginPath();\
  1741.  ctx.moveTo(x_center,y_center);\
  1742.  angle = Math.PI * (2 * data[p] / sum);\
  1743.  ctx.arc(x_center,y_center, radius, angle_end - offset, angle_end + angle - offset, false);\
  1744.  ctx.lineTo(x_center, y_center);\
  1745.  if( use_filled > 1 ){ ctx.fillStyle = all_fill_patterns[p]; }else{ ctx.fillStyle = colors[p];};\
  1746.  ctx.fill();\
  1747.  ctx.closePath();\
  1748.  angles.push(angle_end + angle - offset);\
  1749.  angle_end  = angle_end + angle;\
  1750. };\
  1751. if(typeof(legend0) !== 'undefined'){\
  1752.  var legenda = eval(\"legend\"+legend_cnt);\
  1753.  ctx.globalAlpha = 1.0;\
  1754.  ctx.font = font_family;\
  1755.  var y_offset = font_size;\
  1756.  var x_offset = 0;\
  1757.  var txt;var txt_size;\
  1758.  for(var p = 0; p < idx; p++){\
  1759.   ctx.fillStyle = colors[p];\
  1760.   txt = legenda[p];\
  1761.   txt_size = ctx.measureText(txt).width + 2;\
  1762.   if(center_text == 4){\
  1763.    ctx.save();\
  1764.    ctx.translate(x_center, y_center);\
  1765.    ctx.rotate(angles[p]);\
  1766.    ctx.fillText(txt,radius-txt_size,0);\
  1767.    ctx.restore();\
  1768.   }\
  1769.   else\
  1770.   {\
  1771.    if( x_center + radius + txt_size > xsize ){ x_offset =  x_center + radius + txt_size - xsize;} else { x_offset = 0; };\
  1772.    ctx.fillText(txt,x_center + radius - x_offset, y_center - radius + y_offset);\
  1773.    y_offset = parseInt(y_offset + 1.5*font_size);\
  1774.   };\
  1775.  };\
  1776. };\
  1777. ctx.restore();\
  1778. };",canvas_root_id,canvas_root_id,canvas_root_id);
  1779. break;
  1780.  
  1781. case DRAW_JSBOXPLOT:
  1782. fprintf(js_include_file,"\n/* draw jsboxplots */\
  1783. if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
  1784. function statistics(data){\
  1785. var len = data.length;\
  1786. var min = 10000000;\
  1787. var max = -10000000;\
  1788. var sum = 0;var d;\
  1789. for(var i=0;i<len;i++){\
  1790.  d = data[i];\
  1791.  if(d < min){min = d;}else{if(d > max){max = d;};};\
  1792.  sum+= parseFloat(data[i]);\
  1793. };\
  1794. var mean = parseFloat(sum/len);\
  1795. var variance = 0;\
  1796. for(var i=0;i<len;i++){\
  1797.  d = data[i];\
  1798.  variance += (d - mean)*(d - mean);\
  1799. };\
  1800. variance = parseFloat(variance / len);\
  1801. var std = Math.sqrt(variance);\
  1802. data.sort(function(a,b){return a - b;});\
  1803. var median;var Q1;var Q3;\
  1804. var half = Math.floor(0.5*len);\
  1805. var q1 = Math.floor(0.25*len);\
  1806. var q3 = Math.floor(0.75*len);\
  1807. var half = Math.floor(0.5*len);\
  1808. if(len %%2 == 1){\
  1809.  median = data[half];\
  1810.  Q1 = data[q1];\
  1811.  Q3 = data[q3];\
  1812. }\
  1813. else\
  1814. {\
  1815.  median = (data[half - 1] + data[half] )/2;\
  1816.  Q1 = (data[q1 - 1] + data[q1] )/2;\
  1817.  Q3 = (data[q3 - 1] + data[q3] )/2;\
  1818. };\
  1819. return [min,Q1,median,Q3,max];\
  1820. };");
  1821. break;
  1822.  
  1823. case DRAW_BOXPLOT:
  1824. fprintf(js_include_file,"\n/* draw boxplots */\
  1825. if( typeof(all_fill_patterns) != 'object' ){ var all_fill_patterns = []; };\
  1826. draw_boxplot = function(canvas_type,xy,hw,cxy,data,line_width,stroke_color,stroke_opacity,fill_color,fill_opacity,use_filled,use_dashed,dashtype0,dashtype1){\
  1827. var obj;\
  1828. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){obj = document.getElementById(\"wims_canvas%d\"+canvas_type);}else{obj = create_canvas%d(canvas_type,xsize,ysize);};\
  1829. var ctx = obj.getContext(\"2d\");\
  1830. ctx.clearRect(0,0,xsize,ysize);\
  1831. ctx.save();\
  1832. ctx.lineWidth = line_width;\
  1833. ctx.strokeStyle =  \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  1834. var colors = new Array(2);\
  1835. colors[0] = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
  1836. colors[1] = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  1837. if( use_filled > 1 ){\
  1838.   var pat = create_Pattern(0,0,3,colors[0]);\
  1839.   all_fill_patterns[0] = pat;\
  1840.   pat = create_Pattern(0,0,4,colors[1]);\
  1841.   all_fill_patterns[1] = pat;\
  1842. };\
  1843. if(use_dashed == 1){if(ctx.setLineDash){ctx.setLineDash([dashtype0,dashtype1]);}else{if(ctx.mozDash){ ctx.mozDash = [dashtype0,dashtype1];};};};\
  1844. var hh = 0.25*hw;\
  1845. switch(boxplot_source){\
  1846.  case 1: if( typeof(jsboxplot_data) === 'undefined'){return;};data = statistics(jsboxplot_data);break;\
  1847.  case 2: if( typeof(student_boxplot_data) === 'undefined'){return;};data = statistics(student_boxplot_data);break;\
  1848.  case 3: if( typeof(student_boxplot) === 'undefined'){return;};data = student_boxplot;break;\
  1849.  default: break;\
  1850. };\
  1851. var min,Q1,median,Q3,max;\
  1852. if(xy == 1 ){\
  1853.  min=x2px(data[0]);Q1=x2px(data[1]);median=x2px(data[2]);Q3=x2px(data[3]);max=x2px(data[4]);\
  1854.  hh = Math.abs(y2px(hh) - y2px(ystart));\
  1855.  hw = Math.abs(y2px(hw) - y2px(ystart));\
  1856.  cxy = y2px(cxy);\
  1857.  ctx.beginPath();\
  1858.  ctx.moveTo(min,cxy);\
  1859.  ctx.lineTo(Q1,cxy);\
  1860.  ctx.moveTo(Q3,cxy);\
  1861.  ctx.lineTo(max,cxy);\
  1862.  ctx.moveTo(min,cxy+hh);\
  1863.  ctx.lineTo(min,cxy-hh);\
  1864.  ctx.moveTo(max,cxy+hh);\
  1865.  ctx.lineTo(max,cxy-hh);\
  1866.  ctx.closePath();\
  1867.  ctx.stroke();\
  1868.  ctx.beginPath();\
  1869.  ctx.rect(Q1,cxy-2*hh,median-Q1,hw);\
  1870.  ctx.closePath();\
  1871.  if( use_filled != 0 ){\
  1872.   if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
  1873.   ctx.fill();\
  1874.  };\
  1875.  ctx.stroke();\
  1876.  ctx.beginPath();\
  1877.  ctx.rect(median,cxy-2*hh,Q3-median,hw);\
  1878.  ctx.closePath();\
  1879.  if( use_filled != 0 ){\
  1880.   if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
  1881.   ctx.fill();\
  1882.  };\
  1883.  ctx.stroke();\
  1884. }else{\
  1885.  min=y2px(data[0]);Q1=y2px(data[1]);median=y2px(data[2]);Q3=y2px(data[3]);max=y2px(data[4]);\
  1886.  hh = Math.abs(x2px(hh) - x2px(xstart));\
  1887.  hw = Math.abs(x2px(hw) - x2px(xstart));\
  1888.  cxy = x2px(cxy);\
  1889.  ctx.beginPath();\
  1890.  ctx.moveTo(cxy,min);\
  1891.  ctx.lineTo(cxy,Q1);\
  1892.  ctx.moveTo(cxy,Q3);\
  1893.  ctx.lineTo(cxy,max);\
  1894.  ctx.moveTo(cxy + hh,min);\
  1895.  ctx.lineTo(cxy - hh,min);\
  1896.  ctx.moveTo(cxy + hh,max);\
  1897.  ctx.lineTo(cxy - hh,max);\
  1898.  ctx.closePath;\
  1899.  ctx.stroke();\
  1900.  ctx.beginPath();\
  1901.  ctx.rect(cxy - 2*hh,Q1,hw,median - Q1);\
  1902.  ctx.closePath();\
  1903.  if( use_filled != 0 ){\
  1904.   if( use_filled == 1 ) {ctx.fillStyle = colors[0]; }else{ ctx.fillStyle = all_fill_patterns[0] };\
  1905.   ctx.fill();\
  1906.  };\
  1907.  ctx.stroke();\
  1908.  ctx.beginPath();\
  1909.  ctx.rect(cxy - 2*hh,median,hw,Q3 - median);\
  1910.  ctx.closePath();\
  1911.  if( use_filled != 0 ){\
  1912.   if( use_filled == 1 ) {ctx.fillStyle = colors[1]; }else{ ctx.fillStyle = all_fill_patterns[1] };\
  1913.   ctx.fill();\
  1914.  };\
  1915.  ctx.stroke();\
  1916. };\
  1917. ctx.restore();};",canvas_root_id,canvas_root_id,canvas_root_id);
  1918. break;
  1919.  
  1920. case DRAW_CENTERSTRING:
  1921. fprintf(js_include_file,"\n/* draw centerstring */\
  1922. var draw_centerstring = function(canvas_type,y,font_family,stroke_color,stroke_opacity,text){\
  1923. var obj;\
  1924. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  1925.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  1926. }\
  1927. else\
  1928. {\
  1929.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  1930. };\
  1931. var ctx = obj.getContext(\"2d\");\
  1932. ctx.save();\
  1933. ctx.clearRect(0,0,xsize,ysize);\
  1934. ctx.font = font_family;\
  1935. ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  1936. var stringwidth = ctx.measureText(text).width;\
  1937. var x = parseInt((xsize - stringwidth)/2);if( x < 0 ){x = 0;};\
  1938. ctx.fillText(text,x,y2px(y));\
  1939. ctx.restore();\
  1940. return;\
  1941. };",canvas_root_id,canvas_root_id,canvas_root_id);
  1942. break;
  1943.  
  1944. case DRAW_TEXTS:
  1945. fprintf(js_include_file,"\n/* draw text */\
  1946. var draw_text = function(canvas_type,x,y,font_size,font_family,stroke_color,stroke_opacity,angle2,text,use_rotate,angle,use_offset){\
  1947. var obj;\
  1948. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  1949.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  1950. }\
  1951. else\
  1952. {\
  1953.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  1954. };\
  1955. var ctx = obj.getContext(\"2d\");\
  1956. if( font_family != 'null' ){\
  1957.  ctx.font = font_family;\
  1958. }\
  1959. else\
  1960. {\
  1961.  ctx.font = font_size+'px Arial';\
  1962. };\
  1963. if( use_offset == 3 ){if(angle2 < 0 ){ y = y + 0.8*font_size; x = x + (Math.cos(angle2))*font_size; }else{y = y - 0.8*font_size; x = x + (Math.sin(angle2))*font_size;};};\
  1964. if(angle2 == 0 && angle != 0){\
  1965.  ctx.save();\
  1966.  if(use_rotate == 1 ){\
  1967.  ctx.rotate(angle*Math.PI/180);};\
  1968.  ctx.restore();\
  1969. };\
  1970. ctx.fillStyle = \"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  1971. if(angle2 != 0){\
  1972.  ctx.save();\
  1973.  ctx.translate(x,y);\
  1974.  ctx.rotate((360-angle2)*(Math.PI / 180));\
  1975.  ctx.fillText(text,0,0);\
  1976.  ctx.restore();\
  1977. }\
  1978. else\
  1979. {\
  1980.  ctx.fillText(text,x,y);\
  1981. };\
  1982. return;\
  1983. };",canvas_root_id,canvas_root_id,canvas_root_id);
  1984. break;
  1985.  
  1986. case DRAW_INPUTS:
  1987. /* function center_input may be used for other centering...if not? integrate it in draw_static_inputs...*/
  1988. fprintf(js_include_file,"\n/* draw static input fields */\
  1989. if(typeof(input_cnt) !== 'undefined' ){var input_cnt = 0;};\
  1990. var draw_static_inputs = function(root_id,num,x,y,size,readonly,css_class,value,use_offset){\
  1991. var input = document.createElement(\"input\");\
  1992. input.setAttribute(\"id\",\"canvas_input\"+num);\
  1993. input.setAttribute(\"style\",\"text-align:center;position:absolute;left:\"+x+\"px;top:\"+y+\"px;\");\
  1994. if(css_class != \"none\"){input.setAttribute(\"class\",css_class);};\
  1995. input.setAttribute(\"size\",size);\
  1996. input.setAttribute(\"value\",value);\
  1997. input.addEventListener(\"touchstart\", function(e){this.focus();},false);\
  1998. if( readonly == 0 || wims_status == \"done\" ){ input.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){input.setAttribute(\"value\",\"\");};};\
  1999. canvas_div.appendChild(input);\
  2000. if(use_offset != 0 ){ center_input('canvas_input'+num,x,y,css_class);};\
  2001. input_cnt++;\
  2002. };\
  2003. function center_input(id,x,y,css_class){\
  2004. var inp = document.getElementById(id);\
  2005. var pos = inp.getBoundingClientRect();\
  2006. var center_x = parseInt(x - 0.5*(pos.width));\
  2007. var center_y = parseInt(y - 0.5*(pos.height));\
  2008. try{if(css_class != \"none\"){inp.setAttribute(\"class\",css_class);};inp.setAttribute(\"style\",\"text-align:center;position:absolute;left:\"+center_x+\"px;top:\"+center_y+\"px;\");}\
  2009. catch(e){console.log('error :'+e);return;};\
  2010. };");
  2011. break;
  2012.  
  2013. case DRAW_TEXTAREAS:
  2014. fprintf(js_include_file,"\n/* draw text area inputfields */\
  2015. var draw_textareas = function(root_id,num,x,y,cols,rows,readonly,style,value){\
  2016. var canvas_div = document.getElementById(\"canvas_div\"+root_id);\
  2017. var textarea = document.createElement(\"textarea\");\
  2018. textarea.setAttribute(\"id\",\"canvas_input\"+num);\
  2019. textarea.setAttribute(\"style\",\"position:absolute;left:\"+x+\"px;top:\"+y+\"px;\"+style);\
  2020. textarea.setAttribute(\"cols\",cols);\
  2021. textarea.setAttribute(\"rows\",rows);\
  2022. textarea.value = value;\
  2023. if( readonly == 0 || wims_status == \"done\" ){ textarea.setAttribute(\"readonly\",\"readonly\");if( wims_status == \"done\" ){textarea.value=\"\";};};\
  2024. canvas_div.appendChild(textarea);};");
  2025. break;
  2026.  
  2027. case DRAW_PIXELS:
  2028. fprintf(js_include_file,"\n/* draw pixel */\
  2029. var draw_setpixel = function(x,y,color,opacity,pixelsize){\
  2030. var idx = 2000+Math.ceil(1000*(Math.random()));\
  2031. var canvas = create_canvas%d(idx,xsize,ysize);\
  2032. var d = 0.5*pixelsize;\
  2033. var ctx = canvas.getContext(\"2d\");\
  2034. if(pixelsize%%2 == 1){ ctx.translate(0.5,0.5);};\
  2035. ctx.fillStyle = \"rgba(\"+color+\",\"+opacity+\")\";\
  2036. ctx.clearRect(0,0,xsize,ysize);\
  2037. for(var p=0; p<x.length;p++){\
  2038.  ctx.fillRect( x2px(x[p]) - d, y2px(y[p]) - d , pixelsize, pixelsize );\
  2039. };\
  2040. ctx.fill();ctx.stroke();\
  2041. };",canvas_root_id);
  2042. break;
  2043.  
  2044. case DRAW_CLOCK:
  2045. fprintf(js_include_file,"\n/* command clock */\
  2046. var clock_canvas = create_canvas%d(%d,xsize,ysize);\
  2047. var clock_ctx = clock_canvas.getContext(\"2d\");\
  2048. var clock = function(xc,yc,radius,H,M,S,type,interaction,h_color,m_color,s_color,bg_color,fg_color){\
  2049. clock_ctx.clearRect(xc - radius,yc - radius,2*radius,2*radius);\
  2050. clock_ctx.save();\
  2051. clock_ctx.globalAlpha = clock_bg_opacity;\
  2052. this.type = type || 0;\
  2053. this.interaction = interaction || 0;\
  2054. this.H = H;\
  2055. this.M = M;\
  2056. this.S = S;\
  2057. this.xc = xc || xsize/2;\
  2058. this.yc = yc || ysize/2;\
  2059. this.radius = radius || xsize/4;\
  2060. var font_size = parseInt(0.2*this.radius);\
  2061. this.H_color = h_color || \"black\";\
  2062. this.M_color = m_color || \"black\";\
  2063. this.S_color = s_color || \"black\";\
  2064. this.fg_color = fg_color || \"black\";\
  2065. this.bg_color = bg_color || \"white\";\
  2066. clock_ctx.translate(this.xc,this.yc);\
  2067. clock_ctx.beginPath();\
  2068. clock_ctx.arc(0,0,this.radius,0,2*Math.PI,false);\
  2069. clock_ctx.fillStyle = this.bg_color;\
  2070. clock_ctx.fill();\
  2071. clock_ctx.closePath();\
  2072. clock_ctx.beginPath();\
  2073. clock_ctx.font = font_size+\"px Arial\";\
  2074. clock_ctx.fillStyle = this.fg_color;\
  2075. clock_ctx.textAlign = \"center\";\
  2076. clock_ctx.textBaseline = 'middle';\
  2077. var angle;var x1,y1,x2,y2;\
  2078. var angle_cos;var angle_sin;\
  2079. clock_ctx.globalAlpha = clock_fg_opacity;\
  2080. switch(type){\
  2081. case 0:clock_ctx.beginPath();\
  2082. for(var p = 1; p <= 12 ; p++){\
  2083.  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
  2084.  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
  2085.  x1 = 0.8*angle_cos;y1 = 0.8*angle_sin;x2 = angle_cos;y2 = angle_sin;\
  2086.  clock_ctx.moveTo(x1,y1);\
  2087.  clock_ctx.lineTo(x2,y2);\
  2088. };\
  2089. for(var p = 1; p <= 60 ; p++){\
  2090.  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
  2091.  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
  2092.  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
  2093.  clock_ctx.moveTo(x1,y1);\
  2094.  clock_ctx.lineTo(x2,y2);\
  2095. };\
  2096. clock_ctx.closePath();\
  2097. clock_ctx.stroke();\
  2098. break;\
  2099. case 1:\
  2100. for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.9*this.radius*Math.cos(angle);y1 = 0.9*this.radius*Math.sin(angle);clock_ctx.fillText(p, x1, y1);};break;\
  2101. case 2:\
  2102. for(var p= 1; p <= 12 ; p++){ angle = (p - 3) * (Math.PI * 2) / 12;x1 = 0.8*this.radius*Math.cos(angle);y1 = 0.8*this.radius*Math.sin(angle);clock_ctx.fillText(p, x1, y1);};\
  2103. clock_ctx.beginPath();\
  2104. for(var p = 1; p <= 12 ; p++){\
  2105.  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 12));\
  2106.  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 12));\
  2107.  x1 = 0.9*angle_cos;y1 = 0.9*angle_sin;x2 = angle_cos;y2 = angle_sin;\
  2108.  clock_ctx.moveTo(x1,y1);\
  2109.  clock_ctx.lineTo(x2,y2);\
  2110. };\
  2111. for(var p = 1; p <= 60 ; p++){\
  2112.  angle_cos = this.radius*(Math.cos(p * (Math.PI * 2) / 60));\
  2113.  angle_sin = this.radius*(Math.sin(p * (Math.PI * 2) / 60));\
  2114.  x1 = 0.95*angle_cos;y1 = 0.95*angle_sin;x2 = angle_cos;y2 = angle_sin;\
  2115.  clock_ctx.moveTo(x1,y1);\
  2116.  clock_ctx.lineTo(x2,y2);\
  2117. };\
  2118. clock_ctx.closePath();\
  2119. clock_ctx.stroke();\
  2120. break;\
  2121. };\
  2122. angle = (this.H - 3 + this.M/60 ) * 2 * Math.PI / 12;\
  2123. clock_ctx.rotate(angle);\
  2124. clock_ctx.beginPath();\
  2125. clock_ctx.moveTo(-3, -2);\
  2126. clock_ctx.lineTo(-3, 2);\
  2127. clock_ctx.lineTo(this.radius * 0.6, 1);\
  2128. clock_ctx.lineTo(this.radius  * 0.6, -1);\
  2129. clock_ctx.fillStyle = this.H_color;\
  2130. clock_ctx.fill();\
  2131. clock_ctx.rotate(-angle);\
  2132. angle = (this.M - 15 + this.S/60) * 2 * Math.PI / 60;\
  2133. clock_ctx.rotate(angle);\
  2134. clock_ctx.beginPath();\
  2135. clock_ctx.moveTo(-3, -2);\
  2136. clock_ctx.lineTo(-3, 2);\
  2137. clock_ctx.lineTo(this.radius  * 0.8, 1);\
  2138. clock_ctx.lineTo(this.radius  * 0.8, -1);\
  2139. clock_ctx.fillStyle = this.M_color;\
  2140. clock_ctx.fill();\
  2141. clock_ctx.rotate(-angle);\
  2142. angle = (this.S - 15) * 2 * Math.PI / 60;\
  2143. clock_ctx.rotate(angle);\
  2144. clock_ctx.beginPath();\
  2145. clock_ctx.moveTo(0,0);\
  2146. clock_ctx.lineTo(this.radius  * 0.9, 1);\
  2147. clock_ctx.lineTo(this.radius  * 0.9, -1);\
  2148. clock_ctx.strokeStyle = this.S_color;\
  2149. clock_ctx.stroke();\
  2150. clock_ctx.restore();\
  2151. };",canvas_root_id,CLOCK_CANVAS);
  2152. break;
  2153.  
  2154. case DRAW_LATTICE:
  2155. fprintf(js_include_file,"\n/* draw lattice */\
  2156. var draw_lattice = function(canvas_type,line_width,x0,y0,dx1,dy1,dx2,dy2,n1,n2,fill_color,fill_opacity,stroke_color,stroke_opacity,use_rotate,angle,use_filled){\
  2157. var obj;\
  2158. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  2159.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  2160. }\
  2161. else\
  2162. {\
  2163.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  2164. };\
  2165. var ctx = obj.getContext(\"2d\");\
  2166. ctx.save();\
  2167. if(use_rotate == 1 ){ctx.rotate(angle*Math.PI/180);}\
  2168. var color = \"rgba(\"+fill_color+\",\"+fill_opacity+\")\";\
  2169. if(use_filled > 1 ){ if(! all_fill_patterns[use_filled] ){ var pat = create_Pattern(0,0,use_filled,color); all_fill_patterns[use_filled] = pat;};ctx.fillStyle = all_fill_patterns[use_filled]; } else { ctx.fillStyle = color;};\
  2170. ctx.strokeStyle=\"rgba(\"+stroke_color+\",\"+stroke_opacity+\")\";\
  2171. var radius = line_width;\
  2172. var x = 0;\
  2173. var y = 0;\
  2174. var x_step_px = xsize/(xmax-xmin);\
  2175. var y_step_px = ysize/(ymax-ymin);\
  2176. var xv1 = dx1*x_step_px;\
  2177. var yv1 = dy1*y_step_px;\
  2178. var xv2 = dx2*x_step_px;\
  2179. var yv2 = dy2*y_step_px;\
  2180. for(var p = 0; p < n1 ;p++){\
  2181.  x = p*xv1 + x0;\
  2182.  y = p*yv1 + y0;\
  2183.  for(var c = 0; c < n2 ; c++){\
  2184.   ctx.beginPath();\
  2185.   ctx.arc(x+c*xv2,y+c*yv2,radius,0,2*Math.PI,false);\
  2186.   ctx.fill();\
  2187.   ctx.stroke();\
  2188.   ctx.closePath();\
  2189.  };\
  2190. };\
  2191. ctx.restore();\
  2192. return;\
  2193. };",canvas_root_id,canvas_root_id,canvas_root_id);
  2194. break;
  2195.  
  2196. case DRAW_XYLOGSCALE:
  2197. fprintf(js_include_file,"\n/* draw xylogscale */\
  2198. var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,precision){\
  2199. var obj;\
  2200. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  2201.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  2202. }\
  2203. else\
  2204. {\
  2205.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  2206. };\
  2207. var ctx = obj.getContext(\"2d\");\
  2208. ctx.clearRect(0,0,xsize,ysize);\
  2209. ctx.save();\
  2210. var xmarge;var ymarge;var x_e;var y_e;var num;var corr;var xtxt;var ytxt;\
  2211. var x_min = Math.log(xmin)/Math.log(xlogbase);\
  2212. var x_max = Math.log(xmax)/Math.log(xlogbase);\
  2213. var y_min = Math.log(ymin)/Math.log(ylogbase);\
  2214. var y_max = Math.log(ymax)/Math.log(ylogbase);\
  2215. if(use_axis_numbering != -1){\
  2216.  ctx.font = font_family;\
  2217.  xmarge = ctx.measureText(ylogbase+'^'+y_max.toFixed(0)+' ').width;\
  2218.  ymarge = parseInt(1.5*font_size);\
  2219.  ctx.save();\
  2220.  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
  2221.  ctx.rect(0,0,xmarge,ysize);\
  2222.  ctx.rect(0,ysize-ymarge,xsize,ysize);\
  2223.  ctx.fill();\
  2224.  ctx.restore();\
  2225. }else{xmarge = 0;ymarge = 0;};\
  2226. if( typeof(xaxislabel) !== 'undefined' ){\
  2227.  ctx.save();\
  2228.  ctx.font = \"italic \"+font_size+\"px Arial\";\
  2229.  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2230.  corr =  ctx.measureText(xaxislabel).width;\
  2231.  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
  2232.  ctx.restore();\
  2233. };\
  2234. if( typeof(yaxislabel) !== 'undefined' ){\
  2235.  ctx.save();\
  2236.  ctx.font = \"italic \"+font_size+\"px Arial\";\
  2237.  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2238.  corr = ctx.measureText(yaxislabel).width;\
  2239.  ctx.translate(xmarge+font_size,corr+font_size);\
  2240.  ctx.rotate(-0.5*Math.PI);\
  2241.  ctx.fillText(yaxislabel,0,0);\
  2242.  ctx.restore();\
  2243. };\
  2244. ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2245. ctx.lineWidth = line_width;\
  2246. for(var p = x_min; p <= x_max ; p++){\
  2247.  num = Math.pow(xlogbase,p);\
  2248.  for(var i = 1 ; i < xlogbase ; i++){\
  2249.   x_e = x2px(i*num);\
  2250.   if( i == 1 ){\
  2251.    ctx.lineWidth = line_width;\
  2252.    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
  2253.    if( use_axis_numbering != -1 && p > x_min){\
  2254.      xtxt = xlogbase+'^'+p.toFixed(0);\
  2255.      corr = 0.5*(ctx.measureText(xtxt).width);\
  2256.      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
  2257.    };\
  2258.   }else{\
  2259.    ctx.lineWidth = 0.2*line_width;\
  2260.    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
  2261.   };\
  2262.   if( x_e >= xmarge ){\
  2263.    ctx.beginPath();\
  2264.    ctx.moveTo(x_e,0);\
  2265.    ctx.lineTo(x_e,ysize - ymarge);\
  2266.    ctx.stroke();\
  2267.    ctx.closePath();\
  2268.   };\
  2269.  };\
  2270. };\
  2271. for(var p = y_min; p <= y_max ; p++){\
  2272.  num = Math.pow(ylogbase,p);\
  2273.  for(var i = 1 ; i < ylogbase ; i++){\
  2274.   y_e = y2px(i*num);\
  2275.   if( i == 1 ){\
  2276.    ctx.lineWidth = line_width;\
  2277.    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
  2278.    if( use_axis_numbering != -1 && p > y_min){\
  2279.     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
  2280.    };\
  2281.   }else{\
  2282.    ctx.lineWidth = 0.2*line_width;\
  2283.    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
  2284.   };\
  2285.   ctx.beginPath();\
  2286.   ctx.moveTo(xmarge,y_e);\
  2287.   ctx.lineTo(xsize,y_e);\
  2288.   ctx.stroke();\
  2289.   ctx.closePath();\
  2290.  };\
  2291. };\
  2292. ctx.restore();\
  2293. };",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
  2294. break;
  2295.  
  2296. case DRAW_XLOGSCALE:
  2297. fprintf(js_include_file,"\n/* draw xlogscale */\
  2298. var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,ymajor,yminor,precision){\
  2299. var obj;\
  2300. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  2301.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  2302. }\
  2303. else\
  2304. {\
  2305.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  2306. };\
  2307. var ctx = obj.getContext(\"2d\");\
  2308. ctx.clearRect(0,0,xsize,ysize);\
  2309. ctx.save();\
  2310. ctx.lineWidth = line_width;\
  2311. var prec = Math.log(precision)/Math.log(10);\
  2312. var x_min = Math.log(xmin)/Math.log(xlogbase);\
  2313. var x_max = Math.log(xmax)/Math.log(xlogbase);\
  2314. var y_min = 0;var y_max = ysize;var x_e;var corr;\
  2315. var xtxt;var ytxt;var num;var xmarge;var ymarge;\
  2316. if(use_axis_numbering != -1){\
  2317.  ctx.font = font_family;\
  2318.  xmarge = ctx.measureText(ymax.toFixed(prec)+' ').width;\
  2319.  ymarge = parseInt(1.5*font_size);\
  2320.  ctx.save();\
  2321.  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
  2322.  ctx.rect(0,0,xmarge,ysize);\
  2323.  ctx.rect(0,ysize-ymarge,xsize,ysize);\
  2324.  ctx.fill();\
  2325.  ctx.restore();\
  2326. }else{xmarge = 0;ymarge = 0;};\
  2327. if( typeof(xaxislabel) !== 'undefined' ){\
  2328.  ctx.save();\
  2329.  ctx.font = \"italic \"+font_size+\"px Arial\";\
  2330.  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2331.  corr =  ctx.measureText(xaxislabel).width;\
  2332.  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
  2333.  ctx.restore();\
  2334. };\
  2335. if( typeof(yaxislabel) !== 'undefined' ){\
  2336.  ctx.save();\
  2337.  ctx.font = \"italic \"+font_size+\"px Arial\";\
  2338.  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2339.  corr = ctx.measureText(yaxislabel).width;\
  2340.  ctx.translate(xmarge+font_size,corr+font_size);\
  2341.  ctx.rotate(-0.5*Math.PI);\
  2342.  ctx.fillText(yaxislabel,0,0);\
  2343.  ctx.restore();\
  2344. };\
  2345. ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2346. ctx.lineWidth = line_width;\
  2347. for(var p = x_min; p <= x_max ; p++){\
  2348.  num = Math.pow(xlogbase,p);\
  2349.  for(var i = 1 ; i < xlogbase ; i++){\
  2350.   x_e = x2px(i*num);\
  2351.   if( i == 1 ){\
  2352.     ctx.lineWidth = line_width;\
  2353.     ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
  2354.    if( use_axis_numbering != -1 && p > x_min ){\
  2355.      xtxt = xlogbase+'^'+p.toFixed(0);\
  2356.      corr = 0.5*(ctx.measureText(xtxt).width);\
  2357.      ctx.fillText(xtxt,x_e - corr,ysize - 4);\
  2358.    };\
  2359.   }else{\
  2360.    ctx.lineWidth = 0.2*line_width;\
  2361.    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
  2362.   };\
  2363.   if( x_e >= xmarge ){\
  2364.    ctx.beginPath();\
  2365.    ctx.moveTo(x_e,0);\
  2366.    ctx.lineTo(x_e,ysize - ymarge);\
  2367.    ctx.stroke();\
  2368.    ctx.closePath();\
  2369.   };\
  2370.  };\
  2371. };\
  2372. var stepy = Math.abs(y2px(ymajor) - y2px(0));\
  2373. var minor_step = stepy / yminor;\
  2374. for(var y = 0 ; y < ysize - stepy ; y = y + stepy){\
  2375.  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
  2376.  ctx.lineWidth = line_width;\
  2377.  ctx.beginPath();\
  2378.  ctx.moveTo(xmarge,y);\
  2379.  ctx.lineTo(xsize,y);\
  2380.  ctx.stroke();\
  2381.  ctx.closePath();\
  2382.  if( use_axis_numbering != -1){\
  2383.   ytxt = (px2y(y)).toFixed(prec);\
  2384.   ctx.fillText( ytxt,0 ,y + 0.5*font_size );\
  2385.  };\
  2386.  for(var dy = 1 ; dy < yminor ; dy++){\
  2387.   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
  2388.   ctx.lineWidth = 0.2*line_width;\
  2389.   ctx.beginPath();\
  2390.   ctx.moveTo(xmarge,y+dy*minor_step);\
  2391.   ctx.lineTo(xsize,y+dy*minor_step);\
  2392.   ctx.stroke();\
  2393.   ctx.closePath();\
  2394.  };\
  2395. };\
  2396. ctx.restore();\
  2397. };",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
  2398. break;
  2399.  
  2400. case DRAW_YLOGSCALE:
  2401. fprintf(js_include_file,"\n/* draw ylogscale */\
  2402. var draw_grid%d = function(canvas_type,line_width,major_color,minor_color,major_opacity,minor_opacity,font_size,font_family,font_color,use_axis_numbering,xmajor,xminor,precision){\
  2403. var obj;\
  2404. if( document.getElementById(\"wims_canvas%d\"+canvas_type) ){\
  2405.  obj = document.getElementById(\"wims_canvas%d\"+canvas_type);\
  2406. }\
  2407. else\
  2408. {\
  2409.  obj = create_canvas%d(canvas_type,xsize,ysize);\
  2410. };\
  2411. var ctx = obj.getContext(\"2d\");\
  2412. ctx.clearRect(0,0,xsize,ysize);\
  2413. ctx.save();\
  2414. ctx.lineWidth = line_width;\
  2415. var y_min = Math.log(ymin)/Math.log(ylogbase);\
  2416. var y_max = Math.log(ymax)/Math.log(ylogbase);\
  2417. var x_min = 0;var x_max = xsize;var y_s;var y_e;var num;var xmarge;var ymarge;\
  2418. if(use_axis_numbering != -1){\
  2419.  ctx.font = font_family;\
  2420.  xmarge = ctx.measureText(ylogbase+\"^\"+y_max.toFixed(0)+' ').width;\
  2421.  ymarge = 2*font_size;\
  2422.  ctx.save();\
  2423.  ctx.fillStyle=\"rgba(255,215,0,0.2)\";\
  2424.  ctx.rect(0,0,xmarge,ysize);\
  2425.  ctx.rect(0,ysize-ymarge,xsize,ysize);\
  2426.  ctx.fill();\
  2427.  ctx.restore();\
  2428. }else{xmarge = 0;ymarge = 0;};\
  2429. if( typeof(xaxislabel) !== 'undefined' ){\
  2430.  ctx.save();\
  2431.  ctx.font = \"italic \"+font_size+\"px Arial\";\
  2432.  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2433.  corr =  ctx.measureText(xaxislabel).width;\
  2434.  ctx.fillText(xaxislabel,xsize - 1.5*corr,ysize - 2*font_size);\
  2435.  ctx.restore();\
  2436. };\
  2437. if( typeof(yaxislabel) !== 'undefined' ){\
  2438.  ctx.save();\
  2439.  ctx.font = \"italic \"+font_size+\"px Arial\";\
  2440.  ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2441.  corr = ctx.measureText(yaxislabel).width;\
  2442.  ctx.translate(xmarge+font_size,corr+font_size);\
  2443.  ctx.rotate(-0.5*Math.PI);\
  2444.  ctx.fillText(yaxislabel,0,0);\
  2445.  ctx.restore();\
  2446. };\
  2447. ctx.fillStyle = \"rgba(\"+font_color+\",\"+major_opacity+\")\";\
  2448. ctx.lineWidth = line_width;\
  2449. for(var p = y_min; p <= y_max ; p++){\
  2450.  num = Math.pow(ylogbase,p);\
  2451.  for(var i = 1 ; i < ylogbase ; i++){\
  2452.   y_e = y2px(i*num);\
  2453.   if( i == 1 ){\
  2454.    ctx.lineWidth = line_width;\
  2455.    ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
  2456.    if( use_axis_numbering != -1 && p > y_min){\
  2457.     ctx.fillText(ylogbase+'^'+p.toFixed(0),0,y_e);\
  2458.    };\
  2459.   }else{\
  2460.    ctx.lineWidth = 0.2*line_width;\
  2461.    ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
  2462.   };\
  2463.   ctx.beginPath();\
  2464.   ctx.moveTo(xmarge,y_e);\
  2465.   ctx.lineTo(xsize,y_e);\
  2466.   ctx.stroke();\
  2467.   ctx.closePath();\
  2468.  };\
  2469. };\
  2470. var stepx = Math.abs(x2px(xmajor) - x2px(0));\
  2471. var minor_step = stepx / xminor;\
  2472. var prec = Math.log(precision)/Math.log(10);\
  2473. var xtxt;var corr;var flip = 0;\
  2474. for(var x = stepx ; x < xsize ; x = x + stepx){\
  2475.  ctx.strokeStyle=\"rgba(\"+major_color+\",\"+major_opacity+\")\";\
  2476.  ctx.lineWidth = line_width;\
  2477.  ctx.beginPath();\
  2478.  ctx.moveTo(x,ysize-ymarge);\
  2479.  ctx.lineTo(x,0);\
  2480.  ctx.stroke();\
  2481.  ctx.closePath();\
  2482.  if( use_axis_numbering != -1){\
  2483.   xtxt = (px2x(x)).toFixed(prec);\
  2484.   corr = 0.5*(ctx.measureText(xtxt).width);\
  2485.   if(flip == 0 ){flip = 1;ctx.fillText( xtxt,x - corr ,ysize - 0.2*font_size );}else{\
  2486.   flip = 0;ctx.fillText( xtxt,x - corr ,ysize - 1.2*font_size );};\
  2487.  };\
  2488.  for(var dx = 1 ; dx < xminor ; dx++){\
  2489.   ctx.strokeStyle=\"rgba(\"+minor_color+\",\"+minor_opacity+\")\";\
  2490.   ctx.lineWidth = 0.2*line_width;\
  2491.   ctx.beginPath();\
  2492.   ctx.moveTo(x+dx*minor_step,ysize - ymarge);\
  2493.   ctx.lineTo(x+dx*minor_step,0);\
  2494.   ctx.stroke();\
  2495.   ctx.closePath();\
  2496.  };\
  2497. };\
  2498. ctx.restore();\
  2499. };",canvas_root_id,canvas_root_id,canvas_root_id,canvas_root_id);
  2500. break;
  2501.  
  2502. case ADD_USER_INPUTS:
  2503. fprintf(js_include_file,"\n/* add_input_xy */\
  2504. function add_input_xy(){\
  2505. if( wims_status == \"done\" ){return;};\
  2506. var tooltip_div = document.getElementById(\"tooltip_placeholder_div%d\");\
  2507. var input_xy_div = document.createElement('div');\
  2508. input_xy_div.id = \"input_xy_div\";\
  2509. tooltip_div.appendChild(input_xy_div);",canvas_root_id);
  2510.  
  2511. if(strstr(draw_type,"polyline") != NULL || strstr(draw_type,"point") != NULL || strstr(draw_type,"cross") != NULL ){ /* ( input_x : input_y )*/
  2512. type=1;
  2513. fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>(<input type='text' size='2' value='' id='userinput_x'/> : <input type='text' size='2' value='' id='userinput_y'/>)<input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
  2514. }else{
  2515. if(strstr(draw_type,"circle") != NULL ){/* M: (input_x :input_y) R:input_r*/
  2516. type=2;
  2517. fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>M:&nbsp;(<input type='text' size='2' value='' id='userinput_x'/> : <input type='text' size='2' value='' id='userinput_y'/>) &nbsp;&nbsp;R:&nbsp;<input type='text' size='2' value='' id='userinput_r'/><input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
  2518. }else{
  2519. type=3;
  2520. if(strstr(draw_type,"segment") != NULL  ||  strstr(draw_type,"line") != NULL  ||  strstr(draw_type,"arrow") != NULL  ){  /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) */
  2521. fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>(<input type='text' size='2' value='' id='userinput_x1'/> : <input type='text' size='2' value='' id='userinput_y1'/>) &minus;&minus;&minus; (<input type='text' size='2' value='' id='userinput_x2'/> : <input type='text' size='2' value='' id='userinput_y2'/>)<input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
  2522. }else{
  2523. type=4;
  2524. if(strstr(draw_type,"triang") != NULL ){ /* ( input_x1 : input_y1) --- ( input_x2 : input_y2) --- ( input_x3 : input_y3) */
  2525. fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>&#8420;&nbsp;&nbsp;<input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/><br/>(<input type='text' size='2' value='' id='userinput_x1'/> : <input type='text' size='2' value='' id='userinput_y1'/>)<br/>(<input type='text' size='2' value='' id='userinput_x2'/> : <input type='text' size='2' value='' id='userinput_y2'/>)<br/>(<input type='text' size='2' value='' id='userinput_x3'/> : <input type='text' size='2' value='' id='userinput_y3'/>)</span> \";",css_class);
  2526. }else{
  2527. type=5;
  2528. if(strstr(draw_type,"text") != NULL ){ /*Text: input_r ( input_x1 : input_y1)  */
  2529. fprintf(js_include_file,"input_xy_div.innerHTML=\"<br /><span class='%s'>(<input type='text' size='2' value='' id='userinput_x'/>:<input type='text' size='2' value='' id='userinput_y'/>)&nbsp;<input id='update_button' type='button' value='OK' onclick='' style='color:red;background-color:lightblue;'/><input id='delete_button' type='button' value='NOK' onclick='' style='color:blue;background-color:red;'/></span> \";",css_class);
  2530. }else{canvas_error("command 'userinput' or 'userinput_xy' is not supported for your 'userdraw' type...");
  2531. }}}}}
  2532.  
  2533. fprintf(js_include_file,"\
  2534. var update_button = document.getElementById(\"update_button\");\
  2535. var delete_button = document.getElementById(\"delete_button\");\
  2536. update_button.addEventListener(\"mousedown\",function(e){update_me();redraw_userdraw();return;},false);\
  2537. delete_button.addEventListener(\"mousedown\",function(e){remove_last();return;},false);\
  2538. };add_input_xy();");
  2539.  
  2540. switch(type){
  2541.  case 1:
  2542. fprintf(js_include_file,"\n/* add_input_xy */\
  2543. function update_me(){\
  2544. var x = safe_eval(document.getElementById('userinput_x').value);\
  2545. var y = safe_eval(document.getElementById('userinput_y').value);\
  2546. userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
  2547. return;\
  2548. };");break;
  2549.  case 2:
  2550. fprintf(js_include_file,"\n/* add_input_xy */\
  2551. function update_me(){\
  2552. var x = safe_eval(document.getElementById('userinput_x').value);\
  2553. var y = safe_eval(document.getElementById('userinput_y').value);\
  2554. var r = safe_eval(document.getElementById('userinput_r').value);\
  2555. r = scale_x_radius(r);\
  2556. userdraw_radius.push(r);userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
  2557. return;\
  2558. };");break;
  2559.  case 3:
  2560. fprintf(js_include_file,"\n/* add_input_xy */\
  2561. function update_me(){\
  2562. var x,y;\
  2563. for(var p=1; p<3;p++){\
  2564.  x = safe_eval(document.getElementById('userinput_x'+p).value);\
  2565.  y = safe_eval(document.getElementById('userinput_y'+p).value);\
  2566.  userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
  2567. };\
  2568. return;\
  2569. };");
  2570.  break;
  2571.  case 4:
  2572. fprintf(js_include_file,"\n/* add_input_xy */\
  2573. function update_me(){\
  2574. var x,y;\
  2575. for(var p=1; p<4;p++){\
  2576.  x = safe_eval(document.getElementById('userinput_x'+p).value);\
  2577.  y = safe_eval(document.getElementById('userinput_y'+p).value);\
  2578.  userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));\
  2579. };\
  2580. return;\
  2581. };");
  2582.  break;
  2583.  case 5:
  2584.  /* a inputfield with 'id=userdraw_text_abc' is provided by command 'userdraw text,color'*/
  2585. fprintf(js_include_file,"\n/* add_input_xy */\
  2586. function update_me(){\
  2587. var x = safe_eval(document.getElementById('userinput_x').value);\
  2588. var y = safe_eval(document.getElementById('userinput_y').value);\
  2589. var txt = conv_to_unicode(document.getElementById('userdraw_text_abc').value);\
  2590. userdraw_x.push(x2px(x));userdraw_y.push(y2px(y));userdraw_text.push(txt.replace(/\\\\/g,' '));\
  2591. return;\
  2592. };");
  2593.  break;
  2594.  default: canvas_error("hmmm, I've no idea...");break;
  2595. }
  2596.  
  2597. break;
  2598.  
  2599. default:break;
  2600.    }
  2601.   }
  2602.  }
  2603.   return;
  2604. }
  2605.