/*
	Copyright (c) 2004-2011, 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.gfx3d.gradient"]){dojo._hasResource["dojox.gfx3d.gradient"]=true;dojo.provide("dojox.gfx3d.gradient");dojo.require("dojox.gfx3d.vector");dojo.require("dojox.gfx3d.matrix");(function(){var _1=function(a,b){return Math.sqrt(Math.pow(b.x-a.x,2)+Math.pow(b.y-a.y,2));};var N=32;dojox.gfx3d.gradient=function(_2,_3,_4,_5,_6,to,_7){var m=dojox.gfx3d.matrix,v=dojox.gfx3d.vector,mx=m.normalize(_7),f=m.multiplyPoint(mx,_5*Math.cos(_6)+_4.x,_5*Math.sin(_6)+_4.y,_4.z),t=m.multiplyPoint(mx,_5*Math.cos(to)+_4.x,_5*Math.sin(to)+_4.y,_4.z),c=m.multiplyPoint(mx,_4.x,_4.y,_4.z),_8=(to-_6)/N,r=_1(f,t)/2,_9=_2[_3.type],_a=_3.finish,_b=_3.color,_c=[{offset:0,color:_9.call(_2,v.substract(f,c),_a,_b)}];for(var a=_6+_8;a<to;a+=_8){var p=m.multiplyPoint(mx,_5*Math.cos(a)+_4.x,_5*Math.sin(a)+_4.y,_4.z),df=_1(f,p),dt=_1(t,p);_c.push({offset:df/(df+dt),color:_9.call(_2,v.substract(p,c),_a,_b)});}_c.push({offset:1,color:_9.call(_2,v.substract(t,c),_a,_b)});return {type:"linear",x1:0,y1:-r,x2:0,y2:r,colors:_c};};})();}