File: flashcanvas.js

/*
 FlashCanvas, 2012-08-16T21:49 commit ID 50f7fe31ba62e087784f70434c2dd9cf9722832d
 Copyright 2012 Willow Systems Corp
 Copyright (c) 2009      Tim Cameron Ryan
 Copyright (c) 2009-2011 FlashCanvas Project
 Released under the MIT/X License
*/
window.ActiveXObject&&!window.CanvasRenderingContext2D&&function(){function C(a){return((a[B+"Options"]||{}).swfPath||J)+"flashcanvas.swf"}function r(a){return(""+a).replace(/&/g,"&amp;").replace(/</g,"&lt;")}function i(a){throw new D(a);}function E(a){var b=parseInt(a.width,10),c=parseInt(a.height,10);if(isNaN(b)||0>b)b=300;if(isNaN(c)||0>c)c=150;a.width=b;a.height=c}var F=this.document,s="canvas",B="FlashCanvas",G="onreadystatechange",n;a:{n=this.document.getElementsByTagName("script");var H="",
t=n.length;if(t)for(H=n[t-1].src||"";t;){script=n[t-1];if(script.src&&script.src.match("flashcanvas")){n=8<=F.documentMode?script.src:script.getAttribute("src",4);break a}t--}n=H}var J=n.replace(/[^\/]+$/,""),e=new function(a){for(var b=0,c=a.length;b<c;b++)this[a[b]]=b}("toDataURL save restore scale rotate translate transform setTransform globalAlpha globalCompositeOperation strokeStyle fillStyle createLinearGradient createRadialGradient createPattern lineWidth lineCap lineJoin miterLimit shadowOffsetX shadowOffsetY shadowBlur shadowColor clearRect fillRect strokeRect beginPath closePath moveTo lineTo quadraticCurveTo bezierCurveTo arcTo rect arc fill stroke clip isPointInPath font textAlign textBaseline fillText strokeText measureText drawImage createImageData getImageData putImageData addColorStop direction resize".split(" ")),
u={},o={},p={},w={},x={},v=function(a,b){this.canvas=a;this._swf=b;this._canvasId=b.id.slice(8);this._initialize();this._gradientPatternId=0;this._font=this._direction="";var c=this;this._executeCommandIntervalID=setInterval(function(){for(var a=c.canvas,b=!1,a=a.parentNode;a&&!b;)b=a.body,a=a.parentNode;b?0===p[c._canvasId]&&c._executeCommand():clearInterval(c._executeCommandIntervalID)},30)};v.prototype={save:function(){this._setCompositing();this._setShadows();this._setStrokeStyle();this._setFillStyle();
this._setLineStyles();this._setFontStyles();this._stateStack.push([this._globalAlpha,this._globalCompositeOperation,this._strokeStyle,this._fillStyle,this._lineWidth,this._lineCap,this._lineJoin,this._miterLimit,this._shadowOffsetX,this._shadowOffsetY,this._shadowBlur,this._shadowColor,this._font,this._textAlign,this._textBaseline]);this._queue.push(e.save)},restore:function(){var a=this._stateStack;a.length&&(a=a.pop(),this.globalAlpha=a[0],this.globalCompositeOperation=a[1],this.strokeStyle=a[2],
this.fillStyle=a[3],this.lineWidth=a[4],this.lineCap=a[5],this.lineJoin=a[6],this.miterLimit=a[7],this.shadowOffsetX=a[8],this.shadowOffsetY=a[9],this.shadowBlur=a[10],this.shadowColor=a[11],this.font=a[12],this.textAlign=a[13],this.textBaseline=a[14]);this._queue.push(e.restore)},scale:function(a,b){this._queue.push(e.scale,a,b)},rotate:function(a){this._queue.push(e.rotate,a)},translate:function(a,b){this._queue.push(e.translate,a,b)},transform:function(a,b,c,d,f,g){this._queue.push(e.transform,
a,b,c,d,f,g)},setTransform:function(a,b,c,d,f,g){this._queue.push(e.setTransform,a,b,c,d,f,g)},_setCompositing:function(){var a=this._queue;this._globalAlpha!==this.globalAlpha&&(this._globalAlpha=this.globalAlpha,a.push(e.globalAlpha,this._globalAlpha));this._globalCompositeOperation!==this.globalCompositeOperation&&(this._globalCompositeOperation=this.globalCompositeOperation,a.push(e.globalCompositeOperation,this._globalCompositeOperation))},_setStrokeStyle:function(){if(this._strokeStyle!==this.strokeStyle){var a=
this._strokeStyle=this.strokeStyle;if("string"!==typeof a)if(a instanceof q||a instanceof y)a=a.id;else return;this._queue.push(e.strokeStyle,a)}},_setFillStyle:function(){if(this._fillStyle!==this.fillStyle){var a=this._fillStyle=this.fillStyle;if("string"!==typeof a)if(a instanceof q||a instanceof y)a=a.id;else return;this._queue.push(e.fillStyle,a)}},createLinearGradient:function(a,b,c,d){(!isFinite(a)||!isFinite(b)||!isFinite(c)||!isFinite(d))&&i(9);this._queue.push(e.createLinearGradient,a,b,
c,d);return new q(this)},createRadialGradient:function(a,b,c,d,f,g){(!isFinite(a)||!isFinite(b)||!isFinite(c)||!isFinite(d)||!isFinite(f)||!isFinite(g))&&i(9);(0>c||0>g)&&i(1);this._queue.push(e.createRadialGradient,a,b,c,d,f,g);return new q(this)},createPattern:function(a,b){a||i(17);var c=a.tagName,d,f=this._canvasId;if(c)if(c=c.toLowerCase(),"img"===c)d=a.getAttribute("src",2);else{if(c===s||"video"===c)return;i(17)}else a.src?d=a.src:i(17);"repeat"===b||("no-repeat"===b||"repeat-x"===b||"repeat-y"===
b||""===b||null===b)||i(12);this._queue.push(e.createPattern,r(d),b);!o[f][d]&&u[f]&&(this._executeCommand(),++p[f],o[f][d]=!0);return new y(this)},_setLineStyles:function(){var a=this._queue;this._lineWidth!==this.lineWidth&&(this._lineWidth=this.lineWidth,a.push(e.lineWidth,this._lineWidth));this._lineCap!==this.lineCap&&(this._lineCap=this.lineCap,a.push(e.lineCap,this._lineCap));this._lineJoin!==this.lineJoin&&(this._lineJoin=this.lineJoin,a.push(e.lineJoin,this._lineJoin));this._miterLimit!==
this.miterLimit&&(this._miterLimit=this.miterLimit,a.push(e.miterLimit,this._miterLimit))},_setShadows:function(){var a=this._queue;this._shadowOffsetX!==this.shadowOffsetX&&(this._shadowOffsetX=this.shadowOffsetX,a.push(e.shadowOffsetX,this._shadowOffsetX));this._shadowOffsetY!==this.shadowOffsetY&&(this._shadowOffsetY=this.shadowOffsetY,a.push(e.shadowOffsetY,this._shadowOffsetY));this._shadowBlur!==this.shadowBlur&&(this._shadowBlur=this.shadowBlur,a.push(e.shadowBlur,this._shadowBlur));this._shadowColor!==
this.shadowColor&&(this._shadowColor=this.shadowColor,a.push(e.shadowColor,this._shadowColor))},clearRect:function(a,b,c,d){this._queue.push(e.clearRect,a,b,c,d)},fillRect:function(a,b,c,d){this._setCompositing();this._setShadows();this._setFillStyle();this._queue.push(e.fillRect,a,b,c,d)},strokeRect:function(a,b,c,d){this._setCompositing();this._setShadows();this._setStrokeStyle();this._setLineStyles();this._queue.push(e.strokeRect,a,b,c,d)},beginPath:function(){this._queue.push(e.beginPath)},closePath:function(){this._queue.push(e.closePath)},
moveTo:function(a,b){this._queue.push(e.moveTo,a,b)},lineTo:function(a,b){this._queue.push(e.lineTo,a,b)},quadraticCurveTo:function(a,b,c,d){this._queue.push(e.quadraticCurveTo,a,b,c,d)},bezierCurveTo:function(a,b,c,d,f,g){this._queue.push(e.bezierCurveTo,a,b,c,d,f,g)},arcTo:function(a,b,c,d,f){0>f&&isFinite(f)&&i(1);this._queue.push(e.arcTo,a,b,c,d,f)},rect:function(a,b,c,d){this._queue.push(e.rect,a,b,c,d)},arc:function(a,b,c,d,f,g){0>c&&isFinite(c)&&i(1);this._queue.push(e.arc,a,b,c,d,f,g?1:0)},
fill:function(){this._setCompositing();this._setShadows();this._setFillStyle();this._queue.push(e.fill)},stroke:function(){this._setCompositing();this._setShadows();this._setStrokeStyle();this._setLineStyles();this._queue.push(e.stroke)},clip:function(){this._queue.push(e.clip)},isPointInPath:function(){},_setFontStyles:function(){var a=this._queue;if(this._font!==this.font)try{var b=x[this._canvasId];b.style.font=this._font=this.font;var c=b.currentStyle,d=[c.fontStyle,c.fontWeight,b.offsetHeight,
c.fontFamily].join(" ");a.push(e.font,d)}catch(f){}this._textAlign!==this.textAlign&&(this._textAlign=this.textAlign,a.push(e.textAlign,this._textAlign));this._textBaseline!==this.textBaseline&&(this._textBaseline=this.textBaseline,a.push(e.textBaseline,this._textBaseline));this._direction!==this.canvas.currentStyle.direction&&(this._direction=this.canvas.currentStyle.direction,a.push(e.direction,this._direction))},fillText:function(a,b,c,d){this._setCompositing();this._setFillStyle();this._setShadows();
this._setFontStyles();this._queue.push(e.fillText,r(a),b,c,void 0===d?Infinity:d)},strokeText:function(a,b,c,d){this._setCompositing();this._setStrokeStyle();this._setShadows();this._setFontStyles();this._queue.push(e.strokeText,r(a),b,c,void 0===d?Infinity:d)},measureText:function(a){var b=x[this._canvasId];try{b.style.font=this.font}catch(c){}b.innerText=a.replace(/[ \n\f\r]/g,"\t");return new K(b.offsetWidth)},drawImage:function(a,b,c,d,f,g,j,L,M){a||i(17);var h=a.tagName,k,l=arguments.length,
z=this._canvasId;if(h)if(h=h.toLowerCase(),"img"===h)k=a.getAttribute("src",2);else{if(h===s||"video"===h)return;i(17)}else a.src?k=a.src:i(17);this._setCompositing();this._setShadows();k=r(k);if(3===l)this._queue.push(e.drawImage,l,k,b,c);else if(5===l)this._queue.push(e.drawImage,l,k,b,c,d,f);else if(9===l)(0===d||0===f)&&i(1),this._queue.push(e.drawImage,l,k,b,c,d,f,g,j,L,M);else return;!o[z][k]&&u[z]&&(this._executeCommand(),++p[z],o[z][k]=!0)},createImageData:function(){},getImageData:function(){},
putImageData:function(){},loadImage:function(a,b,c){var d=a.tagName,f,g=this._canvasId;d?"img"===d.toLowerCase()&&(f=a.getAttribute("src",2)):a.src&&(f=a.src);if(f&&!o[g][f]){if(b||c)w[g][f]=[a,b,c];this._queue.push(e.drawImage,1,r(f));u[g]&&(this._executeCommand(),++p[g],o[g][f]=!0)}},_initialize:function(){this.globalAlpha=this._globalAlpha=1;this.globalCompositeOperation=this._globalCompositeOperation="source-over";this.fillStyle=this._fillStyle=this.strokeStyle=this._strokeStyle="#000000";this.lineWidth=
this._lineWidth=1;this.lineCap=this._lineCap="butt";this.lineJoin=this._lineJoin="miter";this.miterLimit=this._miterLimit=10;this.shadowBlur=this._shadowBlur=this.shadowOffsetY=this._shadowOffsetY=this.shadowOffsetX=this._shadowOffsetX=0;this.shadowColor=this._shadowColor="rgba(0, 0, 0, 0.0)";this.font=this._font="10px sans-serif";this.textAlign=this._textAlign="start";this.textBaseline=this._textBaseline="alphabetic";this._queue=[];this._stateStack=[]},_flush:function(){var a=this._queue;this._queue=
[];return a},_executeCommand:function(){var a=this._flush();if(0<a.length)return eval(this._swf.CallFunction('<invoke name="executeCommand" returntype="javascript"><arguments><string>'+a.join("&#0;")+"</string></arguments></invoke>"))},_resize:function(a,b){this._executeCommand();this._initialize();0<a&&(this._swf.width=a);0<b&&(this._swf.height=b);this._queue.push(e.resize,a,b)}};var q=function(a){this._ctx=a;this.id=a._gradientPatternId++};q.prototype={addColorStop:function(a,b){(isNaN(a)||0>a||
1<a)&&i(1);this._ctx._queue.push(e.addColorStop,this.id,a,b)}};var y=function(a){this.id=a._gradientPatternId++},K=function(a){this.width=a},D=function(a){this.code=a;this.message={1:"INDEX_SIZE_ERR",9:"NOT_SUPPORTED_ERR",11:"INVALID_STATE_ERR",12:"SYNTAX_ERR",17:"TYPE_MISMATCH_ERR",18:"SECURITY_ERR"}[a]};D.prototype=Error();var I="initElement",m={registeredEvents:{},canvases:{},initWindow:function(a){function b(){if("complete"===a.document.readyState){a.document.detachEvent(G,b);for(var c=a.document.getElementsByTagName(s),
d=0,e=c.length;d<e;++d)m[I](c[d])}}var c=a.document;c.createElement(s);c.createStyleSheet().cssText=s+"{display:inline-block;overflow:hidden;width:300px;height:150px}";var d=this.canvases,e=this.registeredEvents,g=function(){a.detachEvent("onunload",g);var b,c,h,k,l,j,A;for(A in d)if(b=d[A],c=b.firstChild,k=b.ownerDocument.defaultView?b.ownerDocument.defaultView:b.ownerDocument.parentWindow,a===k){for(h in c)"function"===typeof c[h]&&(c[h]=void 0);for(h in b)"function"===typeof b[h]&&(b[h]=void 0);
k=0;for(l=e[A].length;k!==l;k++)j=e[A][k],c.detachEvent(j[0],j[1]),b.detachEvent(j[0],j[1])}a.CanvasRenderingContext2D=void 0;a.CanvasGradient=void 0;a.CanvasPattern=void 0;a[B]=void 0};a.attachEvent("onunload",g);a.CanvasRenderingContext2D=v;a.CanvasGradient=q;a.CanvasPattern=y;a[B]=m;var j=C(a);0===j.indexOf(a.location.protocol+"//"+a.location.host+"/")&&a.setTimeout(function(){var a=new ActiveXObject("Microsoft.XMLHTTP");a.open("GET",j,!1);a.send(null)},0);"complete"===a.document.readyState?b():
a.document.attachEvent(G,b)}};m[I]=function(a){if(a.getContext)return a;var b=a.ownerDocument,c=b.defaultView?b.defaultView:b.parentWindow;c.CanvasRenderingContext2D||this.initWindow(c);var d=Math.random().toString(36).slice(2)||"0",f="external"+d;u[d]=!1;o[d]={};p[d]=1;w[d]={};this.registeredEvents[d]=[];E(a);var g=C(c);a.innerHTML='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="'+("https:"===c.location.protocol?"https:":"http:")+'//fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="100%" height="100%" id="'+
f+'"><param name="allowScriptAccess" value="always"><param name="flashvars" value="id='+f+'"><param name="wmode" value="transparent"></object><span style="margin:0;padding:0;border:0;display:inline-block;position:static;height:1em;overflow:visible;white-space:nowrap"></span>';this.canvases[d]=a;var j=a.firstChild;x[d]=a.lastChild;var i=b.body.contains;if(i(a))j.movie=g;else var m=setInterval(function(){i(a)&&(clearInterval(m),j.movie=g)},2);if("BackCompat"===b.compatMode||!c.XMLHttpRequest)x[d].style.overflow=
"hidden";var h=new v(a,j);a.getContext=function(a){return"2d"===a?h:null};a.toDataURL=function(a,b){"image/jpeg"===(""+a).toLowerCase()?h._queue.push(e.toDataURL,a,"number"===typeof b?b:""):h._queue.push(e.toDataURL,a);return h._executeCommand()};b=function(a){var a=a?a.srcElement:c.event.srcElement,b=a.parentNode;a.blur();b.focus()};this.registeredEvents[d].push(["onfocus",b]);j.attachEvent("onfocus",b);return a};m.saveImage=function(a){a.firstChild.saveImage()};m.setOptions=function(){};m.trigger=
function(a,b){this.canvases[a].fireEvent("on"+b)};m.unlock=function(a,b,c){try{var d,e,g,j,i,m,h,k,l;if(void 0===b)d=this.canvases[a],e=d.firstChild,k=d.ownerDocument,l=k.defaultView?k.defaultView:k.parentWindow,E(d),g=d.width,j=d.height,d.style.width=g+"px",d.style.height=j+"px",0<g&&(e.width=g),0<j&&(e.height=j),e.resize(g,j),b=function(a){var a=a?a:l.event,b=a.propertyName;if(b==="width"||b==="height"){var a=a.srcElement,c=a[b],d=parseInt(c,10);if(isNaN(d)||d<0)d=b==="width"?300:150;if(c===d){a.style[b]=
d+"px";a.getContext("2d")._resize(a.width,a.height)}else a[b]=d}},this.registeredEvents[a].push(["onpropertychange",b]),d.attachEvent("onpropertychange",b),u[a]=!0,"function"===typeof d.onload&&l.setTimeout(function(){d.onload()},0);else if(i=w[a][b])m=i[0],h=i[1+c],delete w[a][b],"function"===typeof h&&h.call(m);p[a]&&--p[a]}catch(n){throw console.log("Call to FlashCanvas.unlock had thrown an error: ",n.message),n;}};m.initWindow(this,F);keep=[v.measureText,v.loadImage]}.call(window);