shape.js
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shape.js
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	/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
	*/


	if(!dojo._hasResource["dojox.gfx.shape"]){
	dojo._hasResource["dojox.gfx.shape"]=true;
	dojo.provide("dojox.gfx.shape");
	dojo.require("dojox.gfx._base");
	dojo.declare("dojox.gfx.Shape",null,{constructor:function(){
	this.rawNode=null;
	this.shape=null;
	this.matrix=null;
	this.fillStyle=null;
	this.strokeStyle=null;
	this.bbox=null;
	this.parent=null;
	this.parentMatrix=null;
	},getNode:function(){
	return this.rawNode;
	},getShape:function(){
	return this.shape;
	},getTransform:function(){
	return this.matrix;
	},getFill:function(){
	return this.fillStyle;
	},getStroke:function(){
	return this.strokeStyle;
	},getParent:function(){
	return this.parent;
	},getBoundingBox:function(){
	return this.bbox;
	},getTransformedBoundingBox:function(){
	var b=this.getBoundingBox();
	if(!b){
	return null;
	}
	var m=this._getRealMatrix();
	var r=[];
	var g=dojox.gfx.matrix;
	r.push(g.multiplyPoint(m,b.x,b.y));
	r.push(g.multiplyPoint(m,b.x+b.width,b.y));
	r.push(g.multiplyPoint(m,b.x+b.width,b.y+b.height));
	r.push(g.multiplyPoint(m,b.x,b.y+b.height));
	return r;
	},getEventSource:function(){
	return this.rawNode;
	},setShape:function(_1){
	this.shape=dojox.gfx.makeParameters(this.shape,_1);
	this.bbox=null;
	return this;
	},setFill:function(_2){
	if(!_2){
	this.fillStyle=null;
	return this;
	}
	var f=null;
	if(typeof (_2)=="object"&&"type" in _2){
	switch(_2.type){
	case "linear":
	f=dojox.gfx.makeParameters(dojox.gfx.defaultLinearGradient,_2);
	break;
	case "radial":
	f=dojox.gfx.makeParameters(dojox.gfx.defaultRadialGradient,_2);
	break;
	case "pattern":
	f=dojox.gfx.makeParameters(dojox.gfx.defaultPattern,_2);
	break;
	}
	}else{
	f=dojox.gfx.normalizeColor(_2);
	}
	this.fillStyle=f;
	return this;
	},setStroke:function(_3){
	if(!_3){
	this.strokeStyle=null;
	return this;
	}
	if(typeof _3=="string"\|\|dojo.isArray(_3)\|\|_3 instanceof dojo.Color){
	_3={color:_3};
	}
	var s=this.strokeStyle=dojox.gfx.makeParameters(dojox.gfx.defaultStroke,_3);
	s.color=dojox.gfx.normalizeColor(s.color);
	return this;
	},setTransform:function(_4){
	this.matrix=dojox.gfx.matrix.clone(_4?dojox.gfx.matrix.normalize(_4):dojox.gfx.matrix.identity);
	return this._applyTransform();
	},_applyTransform:function(){
	return this;
	},moveToFront:function(){
	var p=this.getParent();
	if(p){
	p._moveChildToFront(this);
	this._moveToFront();
	}
	return this;
	},moveToBack:function(){
	var p=this.getParent();
	if(p){
	p._moveChildToBack(this);
	this._moveToBack();
	}
	return this;
	},_moveToFront:function(){
	},_moveToBack:function(){
	},applyRightTransform:function(_5){
	return _5?this.setTransform([this.matrix,_5]):this;
	},applyLeftTransform:function(_6){
	return _6?this.setTransform([_6,this.matrix]):this;
	},applyTransform:function(_7){
	return _7?this.setTransform([this.matrix,_7]):this;
	},removeShape:function(_8){
	if(this.parent){
	this.parent.remove(this,_8);
	}
	return this;
	},_setParent:function(_9,_a){
	this.parent=_9;
	return this._updateParentMatrix(_a);
	},_updateParentMatrix:function(_b){
	this.parentMatrix=_b?dojox.gfx.matrix.clone(_b):null;
	return this._applyTransform();
	},_getRealMatrix:function(){
	var m=this.matrix;
	var p=this.parent;
	while(p){
	if(p.matrix){
	m=dojox.gfx.matrix.multiply(p.matrix,m);
	}
	p=p.parent;
	}
	return m;
	}});
	dojox.gfx.shape._eventsProcessing={connect:function(_c,_d,_e){
	return arguments.length>2?dojo.connect(this.getEventSource(),_c,_d,_e):dojo.connect(this.getEventSource(),_c,_d);
	},disconnect:function(_f){
	dojo.disconnect(_f);
	}};
	dojo.extend(dojox.gfx.Shape,dojox.gfx.shape._eventsProcessing);
	dojox.gfx.shape.Container={_init:function(){
	this.children=[];
	},add:function(_10){
	var _11=_10.getParent();
	if(_11){
	_11.remove(_10,true);
	}
	this.children.push(_10);
	return _10._setParent(this,this._getRealMatrix());
	},remove:function(_12,_13){
	for(var i=0;i<this.children.length;++i){
	if(this.children[i]==_12){
	if(_13){
	}else{
	_12.parent=null;
	_12.parentMatrix=null;
	}
	this.children.splice(i,1);
	break;
	}
	}
	return this;
	},clear:function(){
	this.children=[];
	return this;
	},_moveChildToFront:function(_14){
	for(var i=0;i<this.children.length;++i){
	if(this.children[i]==_14){
	this.children.splice(i,1);
	this.children.push(_14);
	break;
	}
	}
	return this;
	},_moveChildToBack:function(_15){
	for(var i=0;i<this.children.length;++i){
	if(this.children[i]==_15){
	this.children.splice(i,1);
	this.children.unshift(_15);
	break;
	}
	}
	return this;
	}};
	dojo.declare("dojox.gfx.shape.Surface",null,{constructor:function(){
	this.rawNode=null;
	this._parent=null;
	this._nodes=[];
	this._events=[];
	},destroy:function(){
	dojo.forEach(this._nodes,dojo.destroy);
	this._nodes=[];
	dojo.forEach(this._events,dojo.disconnect);
	this._events=[];
	this.rawNode=null;
	if(dojo.isIE){
	while(this._parent.lastChild){
	dojo.destroy(this._parent.lastChild);
	}
	}else{
	this._parent.innerHTML="";
	}
	this._parent=null;
	},getEventSource:function(){
	return this.rawNode;
	},_getRealMatrix:function(){
	return null;
	},isLoaded:true,onLoad:function(_16){
	},whenLoaded:function(_17,_18){
	var f=dojo.hitch(_17,_18);
	if(this.isLoaded){
	f(this);
	}else{
	var h=dojo.connect(this,"onLoad",function(_19){
	dojo.disconnect(h);
	f(_19);
	});
	}
	}});
	dojo.extend(dojox.gfx.shape.Surface,dojox.gfx.shape._eventsProcessing);
	dojo.declare("dojox.gfx.Point",null,{});
	dojo.declare("dojox.gfx.Rectangle",null,{});
	dojo.declare("dojox.gfx.shape.Rect",dojox.gfx.Shape,{constructor:function(_1a){
	this.shape=dojox.gfx.getDefault("Rect");
	this.rawNode=_1a;
	},getBoundingBox:function(){
	return this.shape;
	}});
	dojo.declare("dojox.gfx.shape.Ellipse",dojox.gfx.Shape,{constructor:function(_1b){
	this.shape=dojox.gfx.getDefault("Ellipse");
	this.rawNode=_1b;
	},getBoundingBox:function(){
	if(!this.bbox){
	var _1c=this.shape;
	this.bbox={x:_1c.cx-_1c.rx,y:_1c.cy-_1c.ry,width:2_1c.rx,height:2_1c.ry};
	}
	return this.bbox;
	}});
	dojo.declare("dojox.gfx.shape.Circle",dojox.gfx.Shape,{constructor:function(_1d){
	this.shape=dojox.gfx.getDefault("Circle");
	this.rawNode=_1d;
	},getBoundingBox:function(){
	if(!this.bbox){
	var _1e=this.shape;
	this.bbox={x:_1e.cx-_1e.r,y:_1e.cy-_1e.r,width:2_1e.r,height:2_1e.r};
	}
	return this.bbox;
	}});
	dojo.declare("dojox.gfx.shape.Line",dojox.gfx.Shape,{constructor:function(_1f){
	this.shape=dojox.gfx.getDefault("Line");
	this.rawNode=_1f;
	},getBoundingBox:function(){
	if(!this.bbox){
	var _20=this.shape;
	this.bbox={x:Math.min(_20.x1,_20.x2),y:Math.min(_20.y1,_20.y2),width:Math.abs(_20.x2-_20.x1),height:Math.abs(_20.y2-_20.y1)};
	}
	return this.bbox;
	}});
	dojo.declare("dojox.gfx.shape.Polyline",dojox.gfx.Shape,{constructor:function(_21){
	this.shape=dojox.gfx.getDefault("Polyline");
	this.rawNode=_21;
	},setShape:function(_22,_23){
	if(_22&&_22 instanceof Array){
	dojox.gfx.Shape.prototype.setShape.call(this,{points:_22});
	if(_23&&this.shape.points.length){
	this.shape.points.push(this.shape.points[0]);
	}
	}else{
	dojox.gfx.Shape.prototype.setShape.call(this,_22);
	}
	return this;
	},_normalizePoints:function(){
	var p=this.shape.points,l=p&&p.length;
	if(l&&typeof p[0]=="number"){
	var _24=[];
	for(var i=0;i<l;i+=2){
	_24.push({x:p[i],y:p[i+1]});
	}
	this.shape.points=_24;
	}
	},getBoundingBox:function(){
	if(!this.bbox&&this.shape.points.length){
	var p=this.shape.points;
	var l=p.length;
	var t=p[0];
	var _25={l:t.x,t:t.y,r:t.x,b:t.y};
	for(var i=1;i<l;++i){
	t=p[i];
	if(_25.l>t.x){
	_25.l=t.x;
	}
	if(_25.r<t.x){
	_25.r=t.x;
	}
	if(_25.t>t.y){
	_25.t=t.y;
	}
	if(_25.b<t.y){
	_25.b=t.y;
	}
	}
	this.bbox={x:_25.l,y:_25.t,width:_25.r-_25.l,height:_25.b-_25.t};
	}
	return this.bbox;
	}});
	dojo.declare("dojox.gfx.shape.Image",dojox.gfx.Shape,{constructor:function(_26){
	this.shape=dojox.gfx.getDefault("Image");
	this.rawNode=_26;
	},getBoundingBox:function(){
	return this.shape;
	},setStroke:function(){
	return this;
	},setFill:function(){
	return this;
	}});
	dojo.declare("dojox.gfx.shape.Text",dojox.gfx.Shape,{constructor:function(_27){
	this.fontStyle=null;
	this.shape=dojox.gfx.getDefault("Text");
	this.rawNode=_27;
	},getFont:function(){
	return this.fontStyle;
	},setFont:function(_28){
	this.fontStyle=typeof _28=="string"?dojox.gfx.splitFontString(_28):dojox.gfx.makeParameters(dojox.gfx.defaultFont,_28);
	this._setFont();
	return this;
	}});
	dojox.gfx.shape.Creator={createShape:function(_29){
	var gfx=dojox.gfx;
	switch(_29.type){
	case gfx.defaultPath.type:
	return this.createPath(_29);
	case gfx.defaultRect.type:
	return this.createRect(_29);
	case gfx.defaultCircle.type:
	return this.createCircle(_29);
	case gfx.defaultEllipse.type:
	return this.createEllipse(_29);
	case gfx.defaultLine.type:
	return this.createLine(_29);
	case gfx.defaultPolyline.type:
	return this.createPolyline(_29);
	case gfx.defaultImage.type:
	return this.createImage(_29);
	case gfx.defaultText.type:
	return this.createText(_29);
	case gfx.defaultTextPath.type:
	return this.createTextPath(_29);
	}
	return null;
	},createGroup:function(){
	return this.createObject(dojox.gfx.Group);
	},createRect:function(_2a){
	return this.createObject(dojox.gfx.Rect,_2a);
	},createEllipse:function(_2b){
	return this.createObject(dojox.gfx.Ellipse,_2b);
	},createCircle:function(_2c){
	return this.createObject(dojox.gfx.Circle,_2c);
	},createLine:function(_2d){
	return this.createObject(dojox.gfx.Line,_2d);
	},createPolyline:function(_2e){
	return this.createObject(dojox.gfx.Polyline,_2e);
	},createImage:function(_2f){
	return this.createObject(dojox.gfx.Image,_2f);
	},createText:function(_30){
	return this.createObject(dojox.gfx.Text,_30);
	},createPath:function(_31){
	return this.createObject(dojox.gfx.Path,_31);
	},createTextPath:function(_32){
	return this.createObject(dojox.gfx.TextPath,{}).setText(_32);
	},createObject:function(_33,_34){
	return null;
	}};
	}

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