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svg.js

svg.js 12 KB
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  1. /*
    2. 

  2. 	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
    3. 

  3. 	Available via Academic Free License >= 2.1 OR the modified BSD license.
    4. 

  4. 	see: http://dojotoolkit.org/license for details
    5. 

  5. */
    6. 

  6. 

  7. 

  8. if(!dojo._hasResource["dojox.gfx.svg"]){dojo._hasResource["dojox.gfx.svg"]=true;dojo.provide("dojox.gfx.svg");dojo.require("dojox.gfx._base");dojo.require("dojox.gfx.shape");dojo.require("dojox.gfx.path");(function(){var d=dojo,g=dojox.gfx,gs=g.shape,_1=g.svg;var _2=function(ns,_3){if(document.createElementNS){return document.createElementNS(ns,_3);}else{return document.createElement(_3);}};_1.xmlns={xlink:"http://www.w3.org/1999/xlink",svg:"http://www.w3.org/2000/svg"};_1.getRef=function(_4){if(!_4||_4=="none"){return null;}if(_4.match(/^url\(#.+\)$/)){return d.byId(_4.slice(5,-1));}if(_4.match(/^#dojoUnique\d+$/)){return d.byId(_4.slice(1));}return null;};_1.dasharray={solid:"none",shortdash:[4,1],shortdot:[1,1],shortdashdot:[4,1,1,1],shortdashdotdot:[4,1,1,1,1,1],dot:[1,3],dash:[4,3],longdash:[8,3],dashdot:[4,3,1,3],longdashdot:[8,3,1,3],longdashdotdot:[8,3,1,3,1,3]};d.extend(g.Shape,{setFill:function(_5){if(!_5){this.fillStyle=null;this.rawNode.setAttribute("fill","none");this.rawNode.setAttribute("fill-opacity",0);return this;}var f;var _6=function(x){this.setAttribute(x,f[x].toFixed(8));};if(typeof (_5)=="object"&&"type" in _5){switch(_5.type){case "linear":f=g.makeParameters(g.defaultLinearGradient,_5);var _7=this._setFillObject(f,"linearGradient");d.forEach(["x1","y1","x2","y2"],_6,_7);break;case "radial":f=g.makeParameters(g.defaultRadialGradient,_5);var _7=this._setFillObject(f,"radialGradient");d.forEach(["cx","cy","r"],_6,_7);break;case "pattern":f=g.makeParameters(g.defaultPattern,_5);var _8=this._setFillObject(f,"pattern");d.forEach(["x","y","width","height"],_6,_8);break;}this.fillStyle=f;return this;}var f=g.normalizeColor(_5);this.fillStyle=f;this.rawNode.setAttribute("fill",f.toCss());this.rawNode.setAttribute("fill-opacity",f.a);this.rawNode.setAttribute("fill-rule","evenodd");return this;},setStroke:function(_9){var rn=this.rawNode;if(!_9){this.strokeStyle=null;rn.setAttribute("stroke","none");rn.setAttribute("stroke-opacity",0);return this;}if(typeof _9=="string"||d.isArray(_9)||_9 instanceof d.Color){_9={color:_9};}var s=this.strokeStyle=g.makeParameters(g.defaultStroke,_9);s.color=g.normalizeColor(s.color);if(s){rn.setAttribute("stroke",s.color.toCss());rn.setAttribute("stroke-opacity",s.color.a);rn.setAttribute("stroke-width",s.width);rn.setAttribute("stroke-linecap",s.cap);if(typeof s.join=="number"){rn.setAttribute("stroke-linejoin","miter");rn.setAttribute("stroke-miterlimit",s.join);}else{rn.setAttribute("stroke-linejoin",s.join);}var da=s.style.toLowerCase();if(da in _1.dasharray){da=_1.dasharray[da];}if(da instanceof Array){da=d._toArray(da);for(var i=0;i<da.length;++i){da[i]*=s.width;}if(s.cap!="butt"){for(var i=0;i<da.length;i+=2){da[i]-=s.width;if(da[i]<1){da[i]=1;}}for(var i=1;i<da.length;i+=2){da[i]+=s.width;}}da=da.join(",");}rn.setAttribute("stroke-dasharray",da);rn.setAttribute("dojoGfxStrokeStyle",s.style);}return this;},_getParentSurface:function(){var _a=this.parent;for(;_a&&!(_a instanceof g.Surface);_a=_a.parent){}return _a;},_setFillObject:function(f,_b){var _c=_1.xmlns.svg;this.fillStyle=f;var _d=this._getParentSurface(),_e=_d.defNode,_f=this.rawNode.getAttribute("fill"),ref=_1.getRef(_f);if(ref){_f=ref;if(_f.tagName.toLowerCase()!=_b.toLowerCase()){var id=_f.id;_f.parentNode.removeChild(_f);_f=_2(_c,_b);_f.setAttribute("id",id);_e.appendChild(_f);}else{while(_f.childNodes.length){_f.removeChild(_f.lastChild);}}}else{_f=_2(_c,_b);_f.setAttribute("id",g._base._getUniqueId());_e.appendChild(_f);}if(_b=="pattern"){_f.setAttribute("patternUnits","userSpaceOnUse");var img=_2(_c,"image");img.setAttribute("x",0);img.setAttribute("y",0);img.setAttribute("width",f.width.toFixed(8));img.setAttribute("height",f.height.toFixed(8));img.setAttributeNS(_1.xmlns.xlink,"href",f.src);_f.appendChild(img);}else{_f.setAttribute("gradientUnits","userSpaceOnUse");for(var i=0;i<f.colors.length;++i){var c=f.colors[i],t=_2(_c,"stop"),cc=c.color=g.normalizeColor(c.color);t.setAttribute("offset",c.offset.toFixed(8));t.setAttribute("stop-color",cc.toCss());t.setAttribute("stop-opacity",cc.a);_f.appendChild(t);}}this.rawNode.setAttribute("fill","url(#"+_f.getAttribute("id")+")");this.rawNode.removeAttribute("fill-opacity");this.rawNode.setAttribute("fill-rule","evenodd");return _f;},_applyTransform:function(){var _10=this.matrix;if(_10){var tm=this.matrix;this.rawNode.setAttribute("transform","matrix("+tm.xx.toFixed(8)+","+tm.yx.toFixed(8)+","+tm.xy.toFixed(8)+","+tm.yy.toFixed(8)+","+tm.dx.toFixed(8)+","+tm.dy.toFixed(8)+")");}else{this.rawNode.removeAttribute("transform");}return this;},setRawNode:function(_11){var r=this.rawNode=_11;if(this.shape.type!="image"){r.setAttribute("fill","none");}r.setAttribute("fill-opacity",0);r.setAttribute("stroke","none");r.setAttribute("stroke-opacity",0);r.setAttribute("stroke-width",1);r.setAttribute("stroke-linecap","butt");r.setAttribute("stroke-linejoin","miter");r.setAttribute("stroke-miterlimit",4);},setShape:function(_12){this.shape=g.makeParameters(this.shape,_12);for(var i in this.shape){if(i!="type"){this.rawNode.setAttribute(i,this.shape[i]);}}this.bbox=null;return this;},_moveToFront:function(){this.rawNode.parentNode.appendChild(this.rawNode);return this;},_moveToBack:function(){this.rawNode.parentNode.insertBefore(this.rawNode,this.rawNode.parentNode.firstChild);return this;}});dojo.declare("dojox.gfx.Group",g.Shape,{constructor:function(){_1.Container._init.call(this);},setRawNode:function(_13){this.rawNode=_13;}});g.Group.nodeType="g";dojo.declare("dojox.gfx.Rect",gs.Rect,{setShape:function(_14){this.shape=g.makeParameters(this.shape,_14);this.bbox=null;for(var i in this.shape){if(i!="type"&&i!="r"){this.rawNode.setAttribute(i,this.shape[i]);}}if(this.shape.r){this.rawNode.setAttribute("ry",this.shape.r);this.rawNode.setAttribute("rx",this.shape.r);}return this;}});g.Rect.nodeType="rect";g.Ellipse=gs.Ellipse;g.Ellipse.nodeType="ellipse";g.Circle=gs.Circle;g.Circle.nodeType="circle";g.Line=gs.Line;g.Line.nodeType="line";dojo.declare("dojox.gfx.Polyline",gs.Polyline,{setShape:function(_15,_16){if(_15&&_15 instanceof Array){this.shape=g.makeParameters(this.shape,{points:_15});if(_16&&this.shape.points.length){this.shape.points.push(this.shape.points[0]);}}else{this.shape=g.makeParameters(this.shape,_15);}this.bbox=null;this._normalizePoints();var _17=[],p=this.shape.points;for(var i=0;i<p.length;++i){_17.push(p[i].x.toFixed(8),p[i].y.toFixed(8));}this.rawNode.setAttribute("points",_17.join(" "));return this;}});g.Polyline.nodeType="polyline";dojo.declare("dojox.gfx.Image",gs.Image,{setShape:function(_18){this.shape=g.makeParameters(this.shape,_18);this.bbox=null;var _19=this.rawNode;for(var i in this.shape){if(i!="type"&&i!="src"){_19.setAttribute(i,this.shape[i]);}}_19.setAttribute("preserveAspectRatio","none");_19.setAttributeNS(_1.xmlns.xlink,"href",this.shape.src);return this;}});g.Image.nodeType="image";dojo.declare("dojox.gfx.Text",gs.Text,{setShape:function(_1a){this.shape=g.makeParameters(this.shape,_1a);this.bbox=null;var r=this.rawNode,s=this.shape;r.setAttribute("x",s.x);r.setAttribute("y",s.y);r.setAttribute("text-anchor",s.align);r.setAttribute("text-decoration",s.decoration);r.setAttribute("rotate",s.rotated?90:0);r.setAttribute("kerning",s.kerning?"auto":0);r.setAttribute("text-rendering","optimizeLegibility");if(!dojo.isIE){r.textContent=s.text;}else{r.appendChild(document.createTextNode(s.text));}return this;},getTextWidth:function(){var _1b=this.rawNode,_1c=_1b.parentNode,_1d=_1b.cloneNode(true);_1d.style.visibility="hidden";var _1e=0,_1f=_1d.firstChild.nodeValue;_1c.appendChild(_1d);if(_1f!=""){while(!_1e){_1e=parseInt(_1d.getBBox().width);}}_1c.removeChild(_1d);return _1e;}});g.Text.nodeType="text";dojo.declare("dojox.gfx.Path",g.path.Path,{_updateWithSegment:function(_20){g.Path.superclass._updateWithSegment.apply(this,arguments);if(typeof (this.shape.path)=="string"){this.rawNode.setAttribute("d",this.shape.path);}},setShape:function(_21){g.Path.superclass.setShape.apply(this,arguments);this.rawNode.setAttribute("d",this.shape.path);return this;}});g.Path.nodeType="path";dojo.declare("dojox.gfx.TextPath",g.path.TextPath,{_updateWithSegment:function(_22){g.Path.superclass._updateWithSegment.apply(this,arguments);this._setTextPath();},setShape:function(_23){g.Path.superclass.setShape.apply(this,arguments);this._setTextPath();return this;},_setTextPath:function(){if(typeof this.shape.path!="string"){return;}var r=this.rawNode;if(!r.firstChild){var tp=_2(_1.xmlns.svg,"textPath"),tx=document.createTextNode("");tp.appendChild(tx);r.appendChild(tp);}var ref=r.firstChild.getAttributeNS(_1.xmlns.xlink,"href"),_24=ref&&_1.getRef(ref);if(!_24){var _25=this._getParentSurface();if(_25){var _26=_25.defNode;_24=_2(_1.xmlns.svg,"path");var id=g._base._getUniqueId();_24.setAttribute("id",id);_26.appendChild(_24);r.firstChild.setAttributeNS(_1.xmlns.xlink,"href","#"+id);}}if(_24){_24.setAttribute("d",this.shape.path);}},_setText:function(){var r=this.rawNode;if(!r.firstChild){var tp=_2(_1.xmlns.svg,"textPath"),tx=document.createTextNode("");tp.appendChild(tx);r.appendChild(tp);}r=r.firstChild;var t=this.text;r.setAttribute("alignment-baseline","middle");switch(t.align){case "middle":r.setAttribute("text-anchor","middle");r.setAttribute("startOffset","50%");break;case "end":r.setAttribute("text-anchor","end");r.setAttribute("startOffset","100%");break;default:r.setAttribute("text-anchor","start");r.setAttribute("startOffset","0%");break;}r.setAttribute("baseline-shift","0.5ex");r.setAttribute("text-decoration",t.decoration);r.setAttribute("rotate",t.rotated?90:0);r.setAttribute("kerning",t.kerning?"auto":0);r.firstChild.data=t.text;}});g.TextPath.nodeType="text";dojo.declare("dojox.gfx.Surface",gs.Surface,{constructor:function(){_1.Container._init.call(this);},destroy:function(){this.defNode=null;this.inherited(arguments);},setDimensions:function(_27,_28){if(!this.rawNode){return this;}this.rawNode.setAttribute("width",_27);this.rawNode.setAttribute("height",_28);return this;},getDimensions:function(){var t=this.rawNode?{width:g.normalizedLength(this.rawNode.getAttribute("width")),height:g.normalizedLength(this.rawNode.getAttribute("height"))}:null;return t;}});g.createSurface=function(_29,_2a,_2b){var s=new g.Surface();s.rawNode=_2(_1.xmlns.svg,"svg");if(_2a){s.rawNode.setAttribute("width",_2a);}if(_2b){s.rawNode.setAttribute("height",_2b);}var _2c=_2(_1.xmlns.svg,"defs");s.rawNode.appendChild(_2c);s.defNode=_2c;s._parent=d.byId(_29);s._parent.appendChild(s.rawNode);return s;};_1.Font={_setFont:function(){var f=this.fontStyle;this.rawNode.setAttribute("font-style",f.style);this.rawNode.setAttribute("font-variant",f.variant);this.rawNode.setAttribute("font-weight",f.weight);this.rawNode.setAttribute("font-size",f.size);this.rawNode.setAttribute("font-family",f.family);}};_1.Container={_init:function(){gs.Container._init.call(this);},add:function(_2d){if(this!=_2d.getParent()){this.rawNode.appendChild(_2d.rawNode);gs.Container.add.apply(this,arguments);}return this;},remove:function(_2e,_2f){if(this==_2e.getParent()){if(this.rawNode==_2e.rawNode.parentNode){this.rawNode.removeChild(_2e.rawNode);}gs.Container.remove.apply(this,arguments);}return this;},clear:function(){var r=this.rawNode;while(r.lastChild){r.removeChild(r.lastChild);}var _30=this.defNode;if(_30){while(_30.lastChild){_30.removeChild(_30.lastChild);}r.appendChild(_30);}return gs.Container.clear.apply(this,arguments);},_moveChildToFront:gs.Container._moveChildToFront,_moveChildToBack:gs.Container._moveChildToBack};d.mixin(gs.Creator,{createObject:function(_31,_32){if(!this.rawNode){return null;}var _33=new _31(),_34=_2(_1.xmlns.svg,_31.nodeType);_33.setRawNode(_34);this.rawNode.appendChild(_34);_33.setShape(_32);this.add(_33);return _33;}});d.extend(g.Text,_1.Font);d.extend(g.TextPath,_1.Font);d.extend(g.Group,_1.Container);d.extend(g.Group,gs.Creator);d.extend(g.Surface,_1.Container);d.extend(g.Surface,gs.Creator);})();}
    9.