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1 line
10 KiB
JavaScript
1 line
10 KiB
JavaScript
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document.createElement("canvas").getContext||!function(){function a(){return this.context_||(this.context_=new j(this))}function b(a,b){var c=x.call(arguments,2);return function(){return a.apply(b,c.concat(x.call(arguments)))}}function c(a){var b=a.srcElement;switch(a.propertyName){case"width":b.style.width=b.attributes.width.nodeValue+"px",b.getContext().clearRect();break;case"height":b.style.height=b.attributes.height.nodeValue+"px",b.getContext().clearRect()}}function d(a){var b=a.srcElement;b.firstChild&&(b.firstChild.style.width=b.clientWidth+"px",b.firstChild.style.height=b.clientHeight+"px")}function e(){return[[1,0,0],[0,1,0],[0,0,1]]}function f(a,b){for(var c=e(),d=0;3>d;d++)for(var f=0;3>f;f++){for(var g=0,h=0;3>h;h++)g+=a[d][h]*b[h][f];c[d][f]=g}return c}function g(a,b){b.fillStyle=a.fillStyle,b.lineCap=a.lineCap,b.lineJoin=a.lineJoin,b.lineWidth=a.lineWidth,b.miterLimit=a.miterLimit,b.shadowBlur=a.shadowBlur,b.shadowColor=a.shadowColor,b.shadowOffsetX=a.shadowOffsetX,b.shadowOffsetY=a.shadowOffsetY,b.strokeStyle=a.strokeStyle,b.globalAlpha=a.globalAlpha,b.arcScaleX_=a.arcScaleX_,b.arcScaleY_=a.arcScaleY_,b.lineScale_=a.lineScale_}function h(a){var b,c=1;if(a=String(a),"rgb"==a.substring(0,3)){var d=a.indexOf("(",3),e=a.indexOf(")",d+1),f=a.substring(d+1,e).split(",");b="#";for(var g=0;3>g;g++)b+=z[Number(f[g])];4==f.length&&"a"==a.substr(3,1)&&(c=f[3])}else b=a;return{color:b,alpha:c}}function i(a){switch(a){case"butt":return"flat";case"round":return"round";case"square":default:return"square"}}function j(a){this.m_=e(),this.mStack_=[],this.aStack_=[],this.currentPath_=[],this.strokeStyle="#000",this.fillStyle="#000",this.lineWidth=1,this.lineJoin="miter",this.lineCap="butt",this.miterLimit=1*v,this.globalAlpha=1,this.canvas=a;var b=a.ownerDocument.createElement("div");b.style.width=a.clientWidth+"px",b.style.height=a.clientHeight+"px",b.style.overflow="hidden",b.style.position="absolute",a.appendChild(b),this.element_=b,this.arcScaleX_=1,this.arcScaleY_=1,this.lineScale_=1}function k(a,b,c,d){a.currentPath_.push({type:"bezierCurveTo",cp1x:b.x,cp1y:b.y,cp2x:c.x,cp2y:c.y,x:d.x,y:d.y}),a.currentX_=d.x,a.currentY_=d.y}function l(a){for(var b=0;3>b;b++)for(var c=0;2>c;c++)if(!isFinite(a[b][c])||isNaN(a[b][c]))return!1;return!0}function m(a,b,c){if(l(b)&&(a.m_=b,c)){var d=b[0][0]*b[1][1]-b[0][1]*b[1][0];a.lineScale_=u(t(d))}}function n(a){this.type_=a,this.x0_=0,this.y0_=0,this.r0_=0,this.x1_=0,this.y1_=0,this.r1_=0,this.colors_=[]}function o(){}var p=Math,q=p.round,r=p.sin,s=p.cos,t=p.abs,u=p.sqrt,v=10,w=v/2,x=Array.prototype.slice,y={init:function(a){if(/MSIE/.test(navigator.userAgent)&&!window.opera){var c=a||document;c.createElement("canvas"),c.attachEvent("onreadystatechange",b(this.init_,this,c))}},init_:function(a){if(a.namespaces.g_vml_||a.namespaces.add("g_vml_","urn:schemas-microsoft-com:vml","#default#VML"),a.namespaces.g_o_||a.namespaces.add("g_o_","urn:schemas-microsoft-com:office:office","#default#VML"),!a.styleSheets.ex_canvas_){var b=a.createStyleSheet();b.owningElement.id="ex_canvas_",b.cssText="canvas{display:inline-block;overflow:hidden;text-align:left;width:300px;height:150px}g_vml_\\:*{behavior:url(#default#VML)}g_o_\\:*{behavior:url(#default#VML)}"}for(var c=a.getElementsByTagName("canvas"),d=0;d<c.length;d++)this.initElement(c[d])},initElement:function(b){if(!b.getContext){b.getContext=a,b.innerHTML="",b.attachEvent("onpropertychange",c),b.attachEvent("onresize",d);var e=b.attributes;e.width&&e.width.specified?b.style.width=e.width.nodeValue+"px":b.width=b.clientWidth,e.height&&e.height.specified?b.style.height=e.height.nodeValue+"px":b.height=b.clientHeight}return b}};y.init();for(var z=[],A=0;16>A;A++)for(var B=0;16>B;B++)z[16*A+B]=A.toString(16)+B.toString(16);var C=j.prototype;C.clearRect=function(){this.element_.innerHTML=""},C.beginPath=function(){this.currentPath_=[]},C.moveTo=function(a,b){var c=this.getCoords_(a,b);this.currentPath_.push({type:"moveTo",x:c.x,y:c.y}),this.currentX_=c.x,this.currentY_=c.y},C.lineTo=function(a,b){var c=this.getCoords_(a,b);this.currentPath_.push({type:
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