| Copyright (c) 2004-2010, 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.gradient"]){dojo._hasResource["dojox.gfx.gradient"]=true;dojo.provide("dojox.gfx.gradient");dojo.require("dojox.gfx.matrix");(function(){var d=dojo,m=dojox.gfx.matrix,C=d.Color;dojox.gfx.gradient.rescale=function(_1,_2,to){var _3=_1.length,_4=(to<_2),_5;if(_4){var _6=_2;_2=to;to=_6;}if(!_3){return [];}if(to<=_1[0].offset){_5=[{offset:0,color:_1[0].color},{offset:1,color:_1[0].color}];}else{if(_2>=_1[_3-1].offset){_5=[{offset:0,color:_1[_3-1].color},{offset:1,color:_1[_3-1].color}];}else{var _7=to-_2,_8,_9,i;_5=[];if(_2<0){_5.push({offset:0,color:new C(_1[0].color)});}for(i=0;i<_3;++i){_8=_1[i];if(_8.offset>=_2){break;}}if(i){_9=_1[i-1];_5.push({offset:0,color:d.blendColors(new C(_9.color),new C(_8.color),(_2-_9.offset)/(_8.offset-_9.offset))});}else{_5.push({offset:0,color:new C(_8.color)});}for(;i<_3;++i){_8=_1[i];if(_8.offset>=to){break;}_5.push({offset:(_8.offset-_2)/_7,color:new C(_8.color)});}if(i<_3){_9=_1[i-1];_5.push({offset:1,color:d.blendColors(new C(_9.color),new C(_8.color),(to-_9.offset)/(_8.offset-_9.offset))});}else{_5.push({offset:1,color:new C(_1[_3-1].color)});}}}if(_4){_5.reverse();for(i=0,_3=_5.length;i<_3;++i){_8=_5[i];_8.offset=1-_8.offset;}}return _5;};function _a(x,y,_b,_c,_d,_e){var r=m.multiplyPoint(_b,x,y),p=m.multiplyPoint(_c,r);return {r:r,p:p,o:m.multiplyPoint(_d,p).x/_e};};function _f(a,b){return a.o-b.o;};dojox.gfx.gradient.project=function(_10,_11,tl,rb,ttl,trb){_10=_10||m.identity;var f1=m.multiplyPoint(_10,_11.x1,_11.y1),f2=m.multiplyPoint(_10,_11.x2,_11.y2),_12=Math.atan2(f2.y-f1.y,f2.x-f1.x),_13=m.project(f2.x-f1.x,f2.y-f1.y),pf1=m.multiplyPoint(_13,f1),pf2=m.multiplyPoint(_13,f2),_14=new m.Matrix2D([m.rotate(-_12),{dx:-pf1.x,dy:-pf1.y}]),_15=m.multiplyPoint(_14,pf2).x,_16=[_a(tl.x,tl.y,_10,_13,_14,_15),_a(rb.x,rb.y,_10,_13,_14,_15),_a(tl.x,rb.y,_10,_13,_14,_15),_a(rb.x,tl.y,_10,_13,_14,_15)].sort(_f),_17=_16[0].o,to=_16[3].o,_18=dojox.gfx.gradient.rescale(_11.colors,_17,to),_19=Math.atan2(_16[3].r.y-_16[0].r.y,_16[3].r.x-_16[0].r.x);return {type:"linear",x1:_16[0].p.x,y1:_16[0].p.y,x2:_16[3].p.x,y2:_16[3].p.y,colors:_18,angle:_12};};})();} |
