BoxShadow.js 3.5 KB

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  1. /*
  2. Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
  3. Available via Academic Free License >= 2.1 OR the modified BSD license.
  4. see: http://dojotoolkit.org/license for details
  5. */
  6. if(!dojo._hasResource["dojox.drawing.annotations.BoxShadow"]){dojo._hasResource["dojox.drawing.annotations.BoxShadow"]=true;dojo.provide("dojox.drawing.annotations.BoxShadow");dojox.drawing.annotations.BoxShadow=dojox.drawing.util.oo.declare(function(_1){this.stencil=_1.stencil;this.util=_1.stencil.util;this.mouse=_1.stencil.mouse;this.style=_1.stencil.style;var _2={size:6,mult:4,alpha:0.05,place:"BR",color:"#646464"};delete _1.stencil;this.options=dojo.mixin(_2,_1);this.options.color=new dojo.Color(this.options.color);this.options.color.a=this.options.alpha;switch(this.stencil.shortType){case "image":case "rect":this.method="createForRect";break;case "ellipse":this.method="createForEllipse";break;case "line":this.method="createForLine";break;case "path":this.method="createForPath";break;default:console.warn("A shadow cannot be made for Stencil type ",this.stencil.type);}if(this.method){this.render();this.stencil.connectMult([[this.stencil,"onTransform",this,"onTransform"],[this.stencil,"render",this,"onRender"],[this.stencil,"onDelete",this,"destroy"]]);}},{showing:true,render:function(){if(this.container){this.container.removeShape();}this.container=this.stencil.container.createGroup();this.container.moveToBack();var o=this.options,_3=o.size,_4=o.mult,d=this.method=="createForPath"?this.stencil.points:this.stencil.data,r=d.r||1,p=o.place,c=o.color;this[this.method](o,_3,_4,d,r,p,c);},hide:function(){if(this.showing){this.showing=false;this.container.removeShape();}},show:function(){if(!this.showing){this.showing=true;this.stencil.container.add(this.container);}},createForPath:function(o,_5,_6,_7,r,p,c){var sh=_5*_6/4,_8=/B/.test(p)?sh:/T/.test(p)?sh*-1:0,_9=/R/.test(p)?sh:/L/.test(p)?sh*-1:0;var _a=true;for(var i=1;i<=_5;i++){var _b=i*_6;if(dojox.gfx.renderer=="svg"){var _c=[];dojo.forEach(_7,function(o,i){if(i==0){_c.push("M "+(o.x+_9)+" "+(o.y+_8));}else{var _d=o.t||"L ";_c.push(_d+(o.x+_9)+" "+(o.y+_8));}},this);if(_a){_c.push("Z");}this.container.createPath(_c.join(", ")).setStroke({width:_b,color:c,cap:"round"});}else{var _e=this.container.createPath({}).setStroke({width:_b,color:c,cap:"round"});dojo.forEach(this.points,function(o,i){if(i==0||o.t=="M"){_e.moveTo(o.x+_9,o.y+_8);}else{if(o.t=="Z"){_a&&_e.closePath();}else{_e.lineTo(o.x+_9,o.y+_8);}}},this);_a&&_e.closePath();}}},createForLine:function(o,_f,_10,d,r,p,c){var sh=_f*_10/4,shy=/B/.test(p)?sh:/T/.test(p)?sh*-1:0,shx=/R/.test(p)?sh:/L/.test(p)?sh*-1:0;for(var i=1;i<=_f;i++){var _11=i*_10;this.container.createLine({x1:d.x1+shx,y1:d.y1+shy,x2:d.x2+shx,y2:d.y2+shy}).setStroke({width:_11,color:c,cap:"round"});}},createForEllipse:function(o,_12,_13,d,r,p,c){var sh=_12*_13/8,shy=/B/.test(p)?sh:/T/.test(p)?sh*-1:0,shx=/R/.test(p)?sh*0.8:/L/.test(p)?sh*-0.8:0;for(var i=1;i<=_12;i++){var _14=i*_13;this.container.createEllipse({cx:d.cx+shx,cy:d.cy+shy,rx:d.rx-sh,ry:d.ry-sh,r:r}).setStroke({width:_14,color:c});}},createForRect:function(o,_15,_16,d,r,p,c){var sh=_15*_16/2,shy=/B/.test(p)?sh:/T/.test(p)?0:sh/2,shx=/R/.test(p)?sh:/L/.test(p)?0:sh/2;for(var i=1;i<=_15;i++){var _17=i*_16;this.container.createRect({x:d.x+shx,y:d.y+shy,width:d.width-sh,height:d.height-sh,r:r}).setStroke({width:_17,color:c});}},onTransform:function(){this.render();},onRender:function(){this.container.moveToBack();},destroy:function(){if(this.container){this.container.removeShape();}}});}