| /* |
| 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.gfx.VectorText"]){ |
| dojo._hasResource["dojox.gfx.VectorText"]=true; |
| dojo.provide("dojox.gfx.VectorText"); |
| dojo.require("dojox.gfx"); |
| dojo.require("dojox.xml.DomParser"); |
| dojo.require("dojox.html.metrics"); |
| (function(){ |
| dojo.mixin(dojox.gfx,{vectorFontFitting:{NONE:0,FLOW:1,FIT:2},defaultVectorText:{type:"vectortext",x:0,y:0,width:null,height:null,text:"",align:"start",decoration:"none",fitting:0,leading:1.5},defaultVectorFont:{type:"vectorfont",size:"10pt",family:null},_vectorFontCache:{},_svgFontCache:{},getVectorFont:function(_1){ |
| if(dojox.gfx._vectorFontCache[_1]){ |
| return dojox.gfx._vectorFontCache[_1]; |
| } |
| return new dojox.gfx.VectorFont(_1); |
| }}); |
| dojo.declare("dojox.gfx.VectorFont",null,{_entityRe:/&(quot|apos|lt|gt|amp|#x[^;]+|#\d+);/g,_decodeEntitySequence:function(_2){ |
| if(!_2.match(this._entityRe)){ |
| return; |
| } |
| var _3={amp:"&",apos:"'",quot:"\"",lt:"<",gt:">"}; |
| var r,_4=""; |
| while((r=this._entityRe.exec(_2))!==null){ |
| if(r[1].charAt(1)=="x"){ |
| _4+=String.fromCharCode(r[1].slice(2),16); |
| }else{ |
| if(!isNaN(parseInt(r[1].slice(1),10))){ |
| _4+=String.fromCharCode(r[1].slice(1)); |
| }else{ |
| _4+=_3(r[1]); |
| } |
| } |
| } |
| return _4; |
| },_parse:function(_5,_6){ |
| var _7=dojox.gfx._svgFontCache[_6]||dojox.xml.DomParser.parse(_5); |
| var f=_7.documentElement.byName("font")[0],_8=_7.documentElement.byName("font-face")[0]; |
| var _9=parseFloat(_8.getAttribute("units-per-em")||1000,10); |
| var _a={x:parseFloat(f.getAttribute("horiz-adv-x"),10),y:parseFloat(f.getAttribute("vert-adv-y")||0,10)}; |
| if(!_a.y){ |
| _a.y=_9; |
| } |
| var _b={horiz:{x:parseFloat(f.getAttribute("horiz-origin-x")||0,10),y:parseFloat(f.getAttribute("horiz-origin-y")||0,10)},vert:{x:parseFloat(f.getAttribute("vert-origin-x")||0,10),y:parseFloat(f.getAttribute("vert-origin-y")||0,10)}}; |
| var _c=_8.getAttribute("font-family"),_d=_8.getAttribute("font-style")||"all",_e=_8.getAttribute("font-variant")||"normal",_f=_8.getAttribute("font-weight")||"all",_10=_8.getAttribute("font-stretch")||"normal",_11=_8.getAttribute("unicode-range")||"U+0-10FFFF",_12=_8.getAttribute("panose-1")||"0 0 0 0 0 0 0 0 0 0",_13=_8.getAttribute("cap-height"),_14=parseFloat(_8.getAttribute("ascent")||(_9-_b.vert.y),10),_15=parseFloat(_8.getAttribute("descent")||_b.vert.y,10),_16={}; |
| var _17=_c; |
| if(_8.byName("font-face-name")[0]){ |
| _17=_8.byName("font-face-name")[0].getAttribute("name"); |
| } |
| if(dojox.gfx._vectorFontCache[_17]){ |
| return; |
| } |
| dojo.forEach(["alphabetic","ideographic","mathematical","hanging"],function(_18){ |
| var a=_8.getAttribute(_18); |
| if(a!==null){ |
| _16[_18]=parseFloat(a,10); |
| } |
| }); |
| var _19=parseFloat(_7.documentElement.byName("missing-glyph")[0].getAttribute("horiz-adv-x")||_a.x,10); |
| var _1a={},_1b={},g=_7.documentElement.byName("glyph"); |
| dojo.forEach(g,function(_1c){ |
| var _1d=_1c.getAttribute("unicode"),_17=_1c.getAttribute("glyph-name"),_1e=parseFloat(_1c.getAttribute("horiz-adv-x")||_a.x,10),_1f=_1c.getAttribute("d"); |
| if(_1d.match(this._entityRe)){ |
| _1d=this._decodeEntitySequence(_1d); |
| } |
| var o={code:_1d,name:_17,xAdvance:_1e,path:_1f}; |
| _1a[_1d]=o; |
| _1b[_17]=o; |
| },this); |
| var _20=_7.documentElement.byName("hkern"); |
| dojo.forEach(_20,function(_21,i){ |
| var k=-parseInt(_21.getAttribute("k"),10); |
| var u1=_21.getAttribute("u1"),g1=_21.getAttribute("g1"),u2=_21.getAttribute("u2"),g2=_21.getAttribute("g2"),gl; |
| if(u1){ |
| u1=this._decodeEntitySequence(u1); |
| if(_1a[u1]){ |
| gl=_1a[u1]; |
| } |
| }else{ |
| if(_1b[g1]){ |
| gl=_1b[g1]; |
| } |
| } |
| if(gl){ |
| if(!gl.kern){ |
| gl.kern={}; |
| } |
| if(u2){ |
| u2=this._decodeEntitySequence(u2); |
| gl.kern[u2]={x:k}; |
| }else{ |
| if(_1b[g2]){ |
| gl.kern[_1b[g2].code]={x:k}; |
| } |
| } |
| } |
| },this); |
| dojo.mixin(this,{family:_c,name:_17,style:_d,variant:_e,weight:_f,stretch:_10,range:_11,viewbox:{width:_9,height:_9},origin:_b,advance:dojo.mixin(_a,{missing:{x:_19,y:_19}}),ascent:_14,descent:_15,baseline:_16,glyphs:_1a}); |
| dojox.gfx._vectorFontCache[_17]=this; |
| dojox.gfx._vectorFontCache[_6]=this; |
| if(_17!=_c&&!dojox.gfx._vectorFontCache[_c]){ |
| dojox.gfx._vectorFontCache[_c]=this; |
| } |
| if(!dojox.gfx._svgFontCache[_6]){ |
| dojox.gfx._svgFontCache[_6]=_7; |
| } |
| },_clean:function(){ |
| var _22=this.name,_23=this.family; |
| dojo.forEach(["family","name","style","variant","weight","stretch","range","viewbox","origin","advance","ascent","descent","baseline","glyphs"],function(_24){ |
| try{ |
| delete this[_24]; |
| } |
| catch(e){ |
| } |
| },this); |
| if(dojox.gfx._vectorFontCache[_22]){ |
| delete dojox.gfx._vectorFontCache[_22]; |
| } |
| if(dojox.gfx._vectorFontCache[_23]){ |
| delete dojox.gfx._vectorFontCache[_23]; |
| } |
| return this; |
| },constructor:function(url){ |
| this._defaultLeading=1.5; |
| if(url!==undefined){ |
| this.load(url); |
| } |
| },load:function(url){ |
| this.onLoadBegin(url.toString()); |
| this._parse(dojox.gfx._svgFontCache[url.toString()]||dojo._getText(url.toString()),url.toString()); |
| this.onLoad(this); |
| return this; |
| },initialized:function(){ |
| return (this.glyphs!==null); |
| },_round:function(n){ |
| return Math.round(1000*n)/1000; |
| },_leading:function(_25){ |
| return this.viewbox.height*(_25||this._defaultLeading); |
| },_normalize:function(str){ |
| return str.replace(/\s+/g,String.fromCharCode(32)); |
| },_getWidth:function(_26){ |
| var w=0,_27=0,_28=null; |
| dojo.forEach(_26,function(_29,i){ |
| _27=_29.xAdvance; |
| if(_26[i]&&_29.kern&&_29.kern[_26[i].code]){ |
| _27+=_29.kern[_26[i].code].x; |
| } |
| w+=_27; |
| _28=_29; |
| }); |
| if(_28&&_28.code==" "){ |
| w-=_28.xAdvance; |
| } |
| return this._round(w); |
| },_getLongestLine:function(_2a){ |
| var _2b=0,idx=0; |
| dojo.forEach(_2a,function(_2c,i){ |
| var max=Math.max(_2b,this._getWidth(_2c)); |
| if(max>_2b){ |
| _2b=max; |
| idx=i; |
| } |
| },this); |
| return {width:_2b,index:idx,line:_2a[idx]}; |
| },_trim:function(_2d){ |
| var fn=function(arr){ |
| if(!arr.length){ |
| return; |
| } |
| if(arr[arr.length-1].code==" "){ |
| arr.splice(arr.length-1,1); |
| } |
| if(!arr.length){ |
| return; |
| } |
| if(arr[0].code==" "){ |
| arr.splice(0,1); |
| } |
| }; |
| if(dojo.isArray(_2d[0])){ |
| dojo.forEach(_2d,fn); |
| }else{ |
| fn(_2d); |
| } |
| return _2d; |
| },_split:function(_2e,_2f){ |
| var w=this._getWidth(_2e),_30=Math.floor(w/_2f),_31=[],cw=0,c=[],_32=false; |
| for(var i=0,l=_2e.length;i<l;i++){ |
| if(_2e[i].code==" "){ |
| _32=true; |
| } |
| cw+=_2e[i].xAdvance; |
| if(i+1<l&&_2e[i].kern&&_2e[i].kern[_2e[i+1].code]){ |
| cw+=_2e[i].kern[_2e[i+1].code].x; |
| } |
| if(cw>=_30){ |
| var chr=_2e[i]; |
| while(_32&&chr.code!=" "&&i>=0){ |
| chr=c.pop(); |
| i--; |
| } |
| _31.push(c); |
| c=[]; |
| cw=0; |
| _32=false; |
| } |
| c.push(_2e[i]); |
| } |
| if(c.length){ |
| _31.push(c); |
| } |
| return this._trim(_31); |
| },_getSizeFactor:function(_33){ |
| _33+=""; |
| var _34=dojox.html.metrics.getCachedFontMeasurements(),_35=this.viewbox.height,f=_34["1em"],_36=parseFloat(_33,10); |
| if(_33.indexOf("em")>-1){ |
| return this._round((_34["1em"]*_36)/_35); |
| }else{ |
| if(_33.indexOf("ex")>-1){ |
| return this._round((_34["1ex"]*_36)/_35); |
| }else{ |
| if(_33.indexOf("pt")>-1){ |
| return this._round(((_34["12pt"]/12)*_36)/_35); |
| }else{ |
| if(_33.indexOf("px")>-1){ |
| return this._round(((_34["16px"]/16)*_36)/_35); |
| }else{ |
| if(_33.indexOf("%")>-1){ |
| return this._round((_34["1em"]*(_36/100))/_35); |
| }else{ |
| f=_34[_33]||_34.medium; |
| return this._round(f/_35); |
| } |
| } |
| } |
| } |
| } |
| },_getFitFactor:function(_37,w,h,l){ |
| if(!h){ |
| return this._round(w/this._getWidth(_37)); |
| }else{ |
| var _38=this._getLongestLine(_37).width,_39=(_37.length*(this.viewbox.height*l))-((this.viewbox.height*l)-this.viewbox.height); |
| return this._round(Math.min(w/_38,h/_39)); |
| } |
| },_getBestFit:function(_3a,w,h,_3b){ |
| var _3c=32,_3d=0,_3e=_3c; |
| while(_3c>0){ |
| var f=this._getFitFactor(this._split(_3a,_3c),w,h,_3b); |
| if(f>_3d){ |
| _3d=f; |
| _3e=_3c; |
| } |
| _3c--; |
| } |
| return {scale:_3d,lines:this._split(_3a,_3e)}; |
| },_getBestFlow:function(_3f,w,_40){ |
| var _41=[],cw=0,c=[],_42=false; |
| for(var i=0,l=_3f.length;i<l;i++){ |
| if(_3f[i].code==" "){ |
| _42=true; |
| } |
| var tw=_3f[i].xAdvance; |
| if(i+1<l&&_3f[i].kern&&_3f[i].kern[_3f[i+1].code]){ |
| tw+=_3f[i].kern[_3f[i+1].code].x; |
| } |
| cw+=_40*tw; |
| if(cw>=w){ |
| var chr=_3f[i]; |
| while(_42&&chr.code!=" "&&i>=0){ |
| chr=c.pop(); |
| i--; |
| } |
| _41.push(c); |
| c=[]; |
| cw=0; |
| _42=false; |
| } |
| c.push(_3f[i]); |
| } |
| if(c.length){ |
| _41.push(c); |
| } |
| return this._trim(_41); |
| },getWidth:function(_43,_44){ |
| return this._getWidth(dojo.map(this._normalize(_43).split(""),function(chr){ |
| return this.glyphs[chr]||{xAdvance:this.advance.missing.x}; |
| },this))*(_44||1); |
| },getLineHeight:function(_45){ |
| return this.viewbox.height*(_45||1); |
| },getCenterline:function(_46){ |
| return (_46||1)*(this.viewbox.height/2); |
| },getBaseline:function(_47){ |
| return (_47||1)*(this.viewbox.height+this.descent); |
| },draw:function(_48,_49,_4a,_4b,_4c){ |
| if(!this.initialized()){ |
| throw new Error("dojox.gfx.VectorFont.draw(): we have not been initialized yet."); |
| } |
| var g=_48.createGroup(); |
| if(_49.x||_49.y){ |
| _48.applyTransform({dx:_49.x||0,dy:_49.y||0}); |
| } |
| var _4d=dojo.map(this._normalize(_49.text).split(""),function(chr){ |
| return this.glyphs[chr]||{path:null,xAdvance:this.advance.missing.x}; |
| },this); |
| var _4e=_4a.size,_4f=_49.fitting,_50=_49.width,_51=_49.height,_52=_49.align,_53=_49.leading||this._defaultLeading; |
| if(_4f){ |
| if((_4f==dojox.gfx.vectorFontFitting.FLOW&&!_50)||(_4f==dojox.gfx.vectorFontFitting.FIT&&(!_50||!_51))){ |
| _4f=dojox.gfx.vectorFontFitting.NONE; |
| } |
| } |
| var _54,_55; |
| switch(_4f){ |
| case dojox.gfx.vectorFontFitting.FIT: |
| var o=this._getBestFit(_4d,_50,_51,_53); |
| _55=o.scale; |
| _54=o.lines; |
| break; |
| case dojox.gfx.vectorFontFitting.FLOW: |
| _55=this._getSizeFactor(_4e); |
| _54=this._getBestFlow(_4d,_50,_55); |
| break; |
| default: |
| _55=this._getSizeFactor(_4e); |
| _54=[_4d]; |
| } |
| _54=dojo.filter(_54,function(_56){ |
| return _56.length>0; |
| }); |
| var cy=0,_57=this._getLongestLine(_54).width; |
| for(var i=0,l=_54.length;i<l;i++){ |
| var cx=0,_58=_54[i],_59=this._getWidth(_58),lg=g.createGroup(); |
| for(var j=0;j<_58.length;j++){ |
| var _5a=_58[j]; |
| if(_5a.path!==null){ |
| var p=lg.createPath(_5a.path).setFill(_4b); |
| if(_4c){ |
| p.setStroke(_4c); |
| } |
| p.setTransform([dojox.gfx.matrix.flipY,dojox.gfx.matrix.translate(cx,-this.viewbox.height-this.descent)]); |
| } |
| cx+=_5a.xAdvance; |
| if(j+1<_58.length&&_5a.kern&&_5a.kern[_58[j+1].code]){ |
| cx+=_5a.kern[_58[j+1].code].x; |
| } |
| } |
| var dx=0; |
| if(_52=="middle"){ |
| dx=_57/2-_59/2; |
| }else{ |
| if(_52=="end"){ |
| dx=_57-_59; |
| } |
| } |
| lg.setTransform({dx:dx,dy:cy}); |
| cy+=this.viewbox.height*_53; |
| } |
| g.setTransform(dojox.gfx.matrix.scale(_55)); |
| return g; |
| },onLoadBegin:function(url){ |
| },onLoad:function(_5b){ |
| }}); |
| })(); |
| } |