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doodle3d-client/www/js/libs/excanvas.min.js

1 line
10 KiB
JavaScript

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:"lineTo",x:c.x,y:c.y}),this.currentX_=c.x,this.currentY_=c.y},C.bezierCurveTo=function(a,b,c,d,e,f){var g=this.getCoords_(e,f),h=this.getCoords_(a,b),i=this.getCoords_(c,d);k(this,h,i,g)},C.quadraticCurveTo=function(a,b,c,d){var e=this.getCoords_(a,b),f=this.getCoords_(c,d),g={x:this.currentX_+2/3*(e.x-this.currentX_),y:this.currentY_+2/3*(e.y-this.currentY_)},h={x:g.x+(f.x-this.currentX_)/3,y:g.y+(f.y-this.currentY_)/3};k(this,g,h,f)},C.arc=function(a,b,c,d,e,f){c*=v;var g=f?"at":"wa",h=a+s(d)*c-w,i=b+r(d)*c-w,j=a+s(e)*c-w,k=b+r(e)*c-w;h!=j||f||(h+=.125);var l=this.getCoords_(a,b),m=this.getCoords_(h,i),n=this.getCoords_(j,k);this.currentPath_.push({type:g,x:l.x,y:l.y,radius:c,xStart:m.x,yStart:m.y,xEnd:n.x,yEnd:n.y})},C.rect=function(a,b,c,d){this.moveTo(a,b),this.lineTo(a+c,b),this.lineTo(a+c,b+d),this.lineTo(a,b+d),this.closePath()},C.strokeRect=function(a,b,c,d){var e=this.currentPath_;this.beginPath(),this.moveTo(a,b),this.lineTo(a+c,b),this.lineTo(a+c,b+d),this.lineTo(a,b+d),this.closePath(),this.stroke(),this.currentPath_=e},C.fillRect=function(a,b,c,d){var e=this.currentPath_;this.beginPath(),this.moveTo(a,b),this.lineTo(a+c,b),this.lineTo(a+c,b+d),this.lineTo(a,b+d),this.closePath(),this.fill(),this.currentPath_=e},C.createLinearGradient=function(a,b,c,d){var e=new n("gradient");return e.x0_=a,e.y0_=b,e.x1_=c,e.y1_=d,e},C.createRadialGradient=function(a,b,c,d,e,f){var g=new n("gradientradial");return g.x0_=a,g.y0_=b,g.r0_=c,g.x1_=d,g.y1_=e,g.r1_=f,g},C.drawImage=function(a){var b,c,d,e,f,g,h,i,j=a.runtimeStyle.width,k=a.runtimeStyle.height;a.runtimeStyle.width="auto",a.runtimeStyle.height="auto";var l=a.width,m=a.height;if(a.runtimeStyle.width=j,a.runtimeStyle.height=k,3==arguments.length)b=arguments[1],c=arguments[2],f=g=0,h=d=l,i=e=m;else if(5==arguments.length)b=arguments[1],c=arguments[2],d=arguments[3],e=arguments[4],f=g=0,h=l,i=m;else{if(9!=arguments.length)throw Error("Invalid number of arguments");f=arguments[1],g=arguments[2],h=arguments[3],i=arguments[4],b=arguments[5],c=arguments[6],d=arguments[7],e=arguments[8]}var n=this.getCoords_(b,c),o=[],r=10,s=10;if(o.push(" <g_vml_:group",' coordsize="',v*r,",",v*s,'"',' coordorigin="0,0"',' style="width:',r,"px;height:",s,"px;position:absolute;"),1!=this.m_[0][0]||this.m_[0][1]){var t=[];t.push("M11=",this.m_[0][0],",","M12=",this.m_[1][0],",","M21=",this.m_[0][1],",","M22=",this.m_[1][1],",","Dx=",q(n.x/v),",","Dy=",q(n.y/v),"");var u=n,w=this.getCoords_(b+d,c),x=this.getCoords_(b,c+e),y=this.getCoords_(b+d,c+e);u.x=p.max(u.x,w.x,x.x,y.x),u.y=p.max(u.y,w.y,x.y,y.y),o.push("padding:0 ",q(u.x/v),"px ",q(u.y/v),"px 0;filter:progid:DXImageTransform.Microsoft.Matrix(",t.join(""),", sizingmethod='clip');")}else o.push("top:",q(n.y/v),"px;left:",q(n.x/v),"px;");o.push(' ">','<g_vml_:image src="',a.src,'"',' style="width:',v*d,"px;"," height:",v*e,'px;"',' cropleft="',f/l,'"',' croptop="',g/m,'"',' cropright="',(l-f-h)/l,'"',' cropbottom="',(m-g-i)/m,'"'," />","</g_vml_:group>"),this.element_.insertAdjacentHTML("BeforeEnd",o.join(""))},C.stroke=function(a){var b=[],c=h(a?this.fillStyle:this.strokeStyle),d=c.color,e=c.alpha*this.globalAlpha,f=10,g=10;b.push("<g_vml_:shape",' filled="',!!a,'"',' style="position:absolute;width:',f,"px;height:",g,'px;"',' coordorigin="0 0" coordsize="',v*f," ",v*g,'"',' stroked="',!a,'"',' path="');for(var j={x:null,y:null},k={x:null,y:null},l=0;l<this.currentPath_.length;l++){var m,n=this.currentPath_[l];switch(n.type){case"moveTo":m=n,b.push(" m ",q(n.x),",",q(n.y));break;case"lineTo":b.push(" l ",q(n.x),",",q(n.y));break;case"close":b.push(" x "),n=null;break;case"bezierCurveTo":b.push(" c ",q(n.cp1x),",",q(n.cp1y),",",q(n.cp2x),",",q(n.cp2y),",",q(n.x),",",q(n.y));break;case"at":case"wa":b.push(" ",n.type," ",q(n.x-this.arcScaleX_*n.radius),",",q(n.y-this.arcScaleY_*n.radius)," ",q(n.x+this.arcScaleX_*n.radius),",",q(n.y+this.arcScaleY_*n.radius)," ",q(n.xStart),",",q(n.yStart)," ",q(n.xEnd),",",q(n.yEnd))}n&&((null==j.x||n.x<j.x)&&(j.x=n.x),(null==k.x||n.x>k.x)&&(k.x=n.x),(null==j.y||n.y<j.y)&&(j.y=n.y),(null==k.y||n.y>k.y)&&(k.y=n.y))}if(b.push(' ">'),a)if("object"==typeof this.fillStyle){var o=this.fillStyle,r=0,s={x:0,y:0},t=0,u=1;if("gradient"==o.type_){var w=o.x0_/this.arcScaleX_,x=o.y0_/this.arcScaleY_,y=o.x1_/this.arcScaleX_,z=o.y1_/this.arcScaleY_,A=this.getCoords_(w,x),B=this.getCoords_(y,z),C=B.x-A.x,D=B.y-A.y;r=180*Math.atan2(C,D)/Math.PI,0>r&&(r+=360),1e-6>r&&(r=0)}else{var A=this.getCoords_(o.x0_,o.y0_),E=k.x-j.x,F=k.y-j.y;s={x:(A.x-j.x)/E,y:(A.y-j.y)/F},E/=this.arcScaleX_*v,F/=this.arcScaleY_*v;var G=p.max(E,F);t=2*o.r0_/G,u=2*o.r1_/G-t}var H=o.colors_;H.sort(function(a,b){return a.offset-b.offset});for(var I=H.length,J=H[0].color,K=H[I-1].color,L=H[0].alpha*this.globalAlpha,M=H[I-1].alpha*this.globalAlpha,N=[],l=0;I>l;l++){var O=H[l];N.push(O.offset*u+t+" "+O.color)}b.push('<g_vml_:fill type="',o.type_,'"',' method="none" focus="100%"',' color="',J,'"',' color2="',K,'"',' colors="',N.join(","),'"',' opacity="',M,'"',' g_o_:opacity2="',L,'"',' angle="',r,'"',' focusposition="',s.x,",",s.y,'" />')}else b.push('<g_vml_:fill color="',d,'" opacity="',e,'" />');else{var P=this.lineScale_*this.lineWidth;1>P&&(e*=P),b.push("<g_vml_:stroke",' opacity="',e,'"',' joinstyle="',this.lineJoin,'"',' miterlimit="',this.miterLimit,'"',' endcap="',i(this.lineCap),'"',' weight="',P,'px"',' color="',d,'" />')}b.push("</g_vml_:shape>"),this.element_.insertAdjacentHTML("beforeEnd",b.join(""))},C.fill=function(){this.stroke(!0)},C.closePath=function(){this.currentPath_.push({type:"close"})},C.getCoords_=function(a,b){var c=this.m_;return{x:v*(a*c[0][0]+b*c[1][0]+c[2][0])-w,y:v*(a*c[0][1]+b*c[1][1]+c[2][1])-w}},C.save=function(){var a={};g(this,a),this.aStack_.push(a),this.mStack_.push(this.m_),this.m_=f(e(),this.m_)},C.restore=function(){g(this.aStack_.pop(),this),this.m_=this.mStack_.pop()},C.translate=function(a,b){var c=[[1,0,0],[0,1,0],[a,b,1]];m(this,f(c,this.m_),!1)},C.rotate=function(a){var b=s(a),c=r(a),d=[[b,c,0],[-c,b,0],[0,0,1]];m(this,f(d,this.m_),!1)},C.scale=function(a,b){this.arcScaleX_*=a,this.arcScaleY_*=b;var c=[[a,0,0],[0,b,0],[0,0,1]];m(this,f(c,this.m_),!0)},C.transform=function(a,b,c,d,e,g){var h=[[a,b,0],[c,d,0],[e,g,1]];m(this,f(h,this.m_),!0)},C.setTransform=function(a,b,c,d,e,f){var g=[[a,b,0],[c,d,0],[e,f,1]];m(this,g,!0)},C.clip=function(){},C.arcTo=function(){},C.createPattern=function(){return new o},n.prototype.addColorStop=function(a,b){b=h(b),this.colors_.push({offset:a,color:b.color,alpha:b.alpha})},G_vmlCanvasManager=y,CanvasRenderingContext2D=j,CanvasGradient=n,CanvasPattern=o}();