| 12345678 |
- /*
- 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.drawing.util.common"]){dojo._hasResource["dojox.drawing.util.common"]=true;dojo.provide("dojox.drawing.util.common");dojo.require("dojox.math.round");(function(){var _1={};dojox.drawing.util.common={radToDeg:function(n){return (n*180)/Math.PI;},degToRad:function(n){return (n*Math.PI)/180;},angle:function(_2,_3){if(_3){_3=_3/180;var _4=this.radians(_2),_5=this.length(_2),_6=Math.PI*_3,_7=dojox.math.round(_4/_6),_8=_7*_6;return dojox.math.round(this.radToDeg(_8));}else{return this.radToDeg(this.radians(_2));}},radians:function(o){return Math.atan2(o.start.y-o.y,o.start.x-o.x);},length:function(o){return Math.sqrt(Math.pow(o.start.x-o.x,2)+Math.pow(o.start.y-o.y,2));},lineSub:function(x1,y1,x2,y2,_9){var _a=this.distance(this.argsToObj.apply(this,arguments));_a=_a<_9?_9:_a;var pc=(_a-_9)/_a;var x=x1-(x1-x2)*pc;var y=y1-(y1-y2)*pc;return {x:x,y:y};},argsToObj:function(){var a=arguments;if(a.length<4){return a[0];}return {start:{x:a[0],y:a[1]},x:a[2],y:a[3]};},distance:function(){var o=this.argsToObj.apply(this,arguments);return Math.abs(Math.sqrt(Math.pow(o.start.x-o.x,2)+Math.pow(o.start.y-o.y,2)));},slope:function(p1,p2){if(!(p1.x-p2.x)){return 0;}return ((p1.y-p2.y)/(p1.x-p2.x));},pointOnCircle:function(cx,cy,_b,_c){radians=_c*Math.PI/180;var x=_b*Math.cos(radians)*-1;var y=_b*Math.sin(radians)*-1;return {x:cx+x,y:cy+y};},constrainAngle:function(_d,_e,_f){var _10=this.angle(_d);if(_10>=_e&&_10<=_f){return _d;}var _11=this.length(_d);var _12=_e-((360-(_f-_e))/2);var _13=_10>_f?_f:_e-_10<100?_e:_f;return this.pointOnCircle(_d.start.x,_d.start.y,_11,_13);},snapAngle:function(obj,ca){var _14=this.radians(obj),_15=this.angle(obj),_16=this.length(obj),seg=Math.PI*ca,rnd=Math.round(_14/seg),_17=rnd*seg,_18=this.radToDeg(_17),pt=this.pointOnCircle(obj.start.x,obj.start.y,_16,_18);return pt;},uid:function(str){str=str||"shape";_1[str]=_1[str]===undefined?0:_1[str]+1;return str+_1[str];},abbr:function(_19){return _19.substring(_19.lastIndexOf(".")+1).charAt(0).toLowerCase()+_19.substring(_19.lastIndexOf(".")+2);},mixin:function(o1,o2){},objects:{},register:function(obj){this.objects[obj.id]=obj;},byId:function(id){return this.objects[id];},attr:function(_1a,_1b,_1c,_1d){if(!_1a){return false;}try{if(_1a.shape&&_1a.util){_1a=_1a.shape;}if(!_1c&&_1b=="id"&&_1a.target){var n=_1a.target;while(!dojo.attr(n,"id")){n=n.parentNode;}return dojo.attr(n,"id");}if(_1a.rawNode||_1a.target){var _1e=Array.prototype.slice.call(arguments);_1e[0]=_1a.rawNode||_1a.target;return dojo.attr.apply(dojo,_1e);}return dojo.attr(_1a,"id");}catch(e){if(!_1d){}return false;}}};})();}
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