root / trunk / web / dojo / dojox / gfx / _base.js
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| 1 | 9 | andrej.cim | /*
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| 2 | Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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| 3 | Available via Academic Free License >= 2.1 OR the modified BSD license.
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| 4 | see: http://dojotoolkit.org/license for details
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| 5 | */
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| 6 | |||
| 7 | |||
| 8 | if(!dojo._hasResource["dojox.gfx._base"]){ |
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| 9 | dojo._hasResource["dojox.gfx._base"]=true; |
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| 10 | dojo.provide("dojox.gfx._base");
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| 11 | (function(){
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| 12 | var g=dojox.gfx,b=g._base;
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| 13 | g._hasClass=function(_1,_2){ |
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| 14 | var _3=_1.getAttribute("className"); |
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| 15 | return _3&&(" "+_3+" ").indexOf(" "+_2+" ")>=0; |
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| 16 | }; |
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| 17 | g._addClass=function(_4,_5){ |
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| 18 | var _6=_4.getAttribute("className")||""; |
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| 19 | if(!_6||(" "+_6+" ").indexOf(" "+_5+" ")<0){ |
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| 20 | _4.setAttribute("className",_6+(_6?" ":"")+_5); |
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| 21 | } |
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| 22 | }; |
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| 23 | g._removeClass=function(_7,_8){ |
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| 24 | var _9=_7.getAttribute("className"); |
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| 25 | if(_9){
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| 26 | _7.setAttribute("className",_9.replace(new RegExp("(^|\\s+)"+_8+"(\\s+|$)"),"$1$2")); |
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| 27 | } |
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| 28 | }; |
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| 29 | b._getFontMeasurements=function(){ |
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| 30 | var _a={"1em":0,"1ex":0,"100%":0,"12pt":0,"16px":0,"xx-small":0,"x-small":0,"small":0,"medium":0,"large":0,"x-large":0,"xx-large":0}; |
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| 31 | if(dojo.isIE){
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| 32 | dojo.doc.documentElement.style.fontSize="100%";
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| 33 | } |
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| 34 | var _b=dojo.doc.createElement("div"); |
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| 35 | var s=_b.style;
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| 36 | s.position="absolute";
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| 37 | s.left="-100px";
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| 38 | s.top="0px";
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| 39 | s.width="30px";
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| 40 | s.height="1000em";
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| 41 | s.borderWidth="0px";
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| 42 | s.margin="0px";
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| 43 | s.padding="0px";
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| 44 | s.outline="none";
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| 45 | s.lineHeight="1";
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| 46 | s.overflow="hidden";
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| 47 | dojo.body().appendChild(_b); |
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| 48 | for(var p in _a){ |
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| 49 | _b.style.fontSize=p; |
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| 50 | _a[p]=Math.round(_b.offsetHeight*12/16)*16/12/1000; |
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| 51 | } |
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| 52 | dojo.body().removeChild(_b); |
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| 53 | _b=null;
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| 54 | return _a;
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| 55 | }; |
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| 56 | var _c=null; |
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| 57 | b._getCachedFontMeasurements=function(_d){ |
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| 58 | if(_d||!_c){
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| 59 | _c=b._getFontMeasurements(); |
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| 60 | } |
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| 61 | return _c;
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| 62 | }; |
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| 63 | var _e=null,_f={}; |
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| 64 | b._getTextBox=function(_10,_11,_12){ |
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| 65 | var m,s,al=arguments.length; |
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| 66 | if(!_e){
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| 67 | m=_e=dojo.doc.createElement("div");
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| 68 | s=m.style; |
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| 69 | s.position="absolute";
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| 70 | s.left="-10000px";
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| 71 | s.top="0";
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| 72 | dojo.body().appendChild(m); |
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| 73 | }else{
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| 74 | m=_e; |
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| 75 | s=m.style; |
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| 76 | } |
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| 77 | m.className="";
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| 78 | s.borderWidth="0";
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| 79 | s.margin="0";
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| 80 | s.padding="0";
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| 81 | s.outline="0";
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| 82 | if(al>1&&_11){ |
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| 83 | for(var i in _11){ |
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| 84 | if(i in _f){ |
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| 85 | continue;
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| 86 | } |
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| 87 | s[i]=_11[i]; |
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| 88 | } |
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| 89 | } |
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| 90 | if(al>2&&_12){ |
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| 91 | m.className=_12; |
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| 92 | } |
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| 93 | m.innerHTML=_10; |
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| 94 | if(m["getBoundingClientRect"]){ |
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| 95 | var bcr=m.getBoundingClientRect();
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| 96 | return {l:bcr.left,t:bcr.top,w:bcr.width||(bcr.right-bcr.left),h:bcr.height||(bcr.bottom-bcr.top)}; |
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| 97 | }else{
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| 98 | return dojo.marginBox(m);
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| 99 | } |
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| 100 | }; |
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| 101 | var _13=0; |
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| 102 | b._getUniqueId=function(){ |
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| 103 | var id;
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| 104 | do{
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| 105 | id=dojo._scopeName+"Unique"+(++_13);
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| 106 | }while(dojo.byId(id));
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| 107 | return id;
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| 108 | }; |
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| 109 | })(); |
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| 110 | dojo.mixin(dojox.gfx,{defaultPath:{type:"path",path:""},defaultPolyline:{type:"polyline",points:[]},defaultRect:{type:"rect",x:0,y:0,width:100,height:100,r:0},defaultEllipse:{type:"ellipse",cx:0,cy:0,rx:200,ry:100},defaultCircle:{type:"circle",cx:0,cy:0,r:100},defaultLine:{type:"line",x1:0,y1:0,x2:100,y2:100},defaultImage:{type:"image",x:0,y:0,width:0,height:0,src:""},defaultText:{type:"text",x:0,y:0,text:"",align:"start",decoration:"none",rotated:false,kerning:true},defaultTextPath:{type:"textpath",text:"",align:"start",decoration:"none",rotated:false,kerning:true},defaultStroke:{type:"stroke",color:"black",style:"solid",width:1,cap:"butt",join:4},defaultLinearGradient:{type:"linear",x1:0,y1:0,x2:100,y2:100,colors:[{offset:0,color:"black"},{offset:1,color:"white"}]},defaultRadialGradient:{type:"radial",cx:0,cy:0,r:100,colors:[{offset:0,color:"black"},{offset:1,color:"white"}]},defaultPattern:{type:"pattern",x:0,y:0,width:0,height:0,src:""},defaultFont:{type:"font",style:"normal",variant:"normal",weight:"normal",size:"10pt",family:"serif"},getDefault:(function(){
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| 111 | var _14={};
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| 112 | return function(_15){ |
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| 113 | var t=_14[_15];
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| 114 | if(t){
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| 115 | return new t(); |
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| 116 | } |
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| 117 | t=_14[_15]=new Function;
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| 118 | t.prototype=dojox.gfx["default"+_15];
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| 119 | return new t(); |
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| 120 | }; |
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| 121 | })(),normalizeColor:function(_16){ |
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| 122 | return (_16 instanceof dojo.Color)?_16:new dojo.Color(_16); |
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| 123 | },normalizeParameters:function(_17,_18){ |
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| 124 | if(_18){
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| 125 | var _19={};
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| 126 | for(var x in _17){ |
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| 127 | if(x in _18&&!(x in _19)){ |
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| 128 | _17[x]=_18[x]; |
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| 129 | } |
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| 130 | } |
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| 131 | } |
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| 132 | return _17;
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| 133 | },makeParameters:function(_1a,_1b){ |
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| 134 | if(!_1b){
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| 135 | return dojo.delegate(_1a);
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| 136 | } |
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| 137 | var _1c={};
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| 138 | for(var i in _1a){ |
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| 139 | if(!(i in _1c)){ |
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| 140 | _1c[i]=dojo.clone((i in _1b)?_1b[i]:_1a[i]);
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| 141 | } |
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| 142 | } |
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| 143 | return _1c;
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| 144 | },formatNumber:function(x,_1d){ |
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| 145 | var val=x.toString();
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| 146 | if(val.indexOf("e")>=0){ |
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| 147 | val=x.toFixed(4);
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| 148 | }else{
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| 149 | var _1e=val.indexOf("."); |
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| 150 | if(_1e>=0&&val.length-_1e>5){ |
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| 151 | val=x.toFixed(4);
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| 152 | } |
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| 153 | } |
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| 154 | if(x<0){ |
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| 155 | return val;
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| 156 | } |
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| 157 | return _1d?" "+val:val; |
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| 158 | },makeFontString:function(_1f){ |
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| 159 | return _1f.style+" "+_1f.variant+" "+_1f.weight+" "+_1f.size+" "+_1f.family; |
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| 160 | },splitFontString:function(str){ |
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| 161 | var _20=dojox.gfx.getDefault("Font"); |
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| 162 | var t=str.split(/\s+/); |
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| 163 | do{
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| 164 | if(t.length<5){ |
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| 165 | break;
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| 166 | } |
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| 167 | _20.style=t[0];
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| 168 | _20.variant=t[1];
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| 169 | _20.weight=t[2];
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| 170 | var i=t[3].indexOf("/"); |
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| 171 | _20.size=i<0?t[3]:t[3].substring(0,i); |
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| 172 | var j=4; |
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| 173 | if(i<0){ |
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| 174 | if(t[4]=="/"){ |
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| 175 | j=6;
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| 176 | }else{
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| 177 | if(t[4].charAt(0)=="/"){ |
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| 178 | j=5;
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| 179 | } |
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| 180 | } |
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| 181 | } |
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| 182 | if(j<t.length){
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| 183 | _20.family=t.slice(j).join(" ");
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| 184 | } |
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| 185 | }while(false); |
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| 186 | return _20;
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| 187 | },cm_in_pt:72/2.54,mm_in_pt:7.2/2.54,px_in_pt:function(){ |
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| 188 | return dojox.gfx._base._getCachedFontMeasurements()["12pt"]/12; |
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| 189 | },pt2px:function(len){ |
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| 190 | return len*dojox.gfx.px_in_pt();
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| 191 | },px2pt:function(len){ |
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| 192 | return len/dojox.gfx.px_in_pt();
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| 193 | },normalizedLength:function(len){ |
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| 194 | if(len.length==0){ |
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| 195 | return 0; |
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| 196 | } |
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| 197 | if(len.length>2){ |
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| 198 | var _21=dojox.gfx.px_in_pt();
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| 199 | var val=parseFloat(len);
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| 200 | switch(len.slice(-2)){ |
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| 201 | case "px": |
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| 202 | return val;
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| 203 | case "pt": |
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| 204 | return val*_21;
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| 205 | case "in": |
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| 206 | return val*72*_21; |
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| 207 | case "pc": |
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| 208 | return val*12*_21; |
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| 209 | case "mm": |
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| 210 | return val*dojox.gfx.mm_in_pt*_21;
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| 211 | case "cm": |
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| 212 | return val*dojox.gfx.cm_in_pt*_21;
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| 213 | } |
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| 214 | } |
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| 215 | return parseFloat(len);
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| 216 | },pathVmlRegExp:/([A-Za-z]+)|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g,pathSvgRegExp:/([A-Za-z])|(\d+(\.\d+)?)|(\.\d+)|(-\d+(\.\d+)?)|(-\.\d+)/g,equalSources:function(a,b){ |
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| 217 | return a&&b&&a==b;
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| 218 | }}); |
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| 219 | } |