openproject/assets/javascripts/jquery.jqplot/plugins/jqplot.canvasTextRenderer.min.js

/**
 * Copyright (c) 2009 Chris Leonello
 * jqPlot is currently available for use in all personal or commercial projects 
 * under both the MIT and GPL version 2.0 licenses. This means that you can 
 * choose the license that best suits your project and use it accordingly. 
 *
 * Although not required, the author would appreciate an email letting him 
 * know of any substantial use of jqPlot.  You can reach the author at: 
 * chris dot leonello at gmail dot com or see http://www.jqplot.com/info.php .
 *
 * If you are feeling kind and generous, consider supporting the project by
 * making a donation at: http://www.jqplot.com/donate.php .
 */
(function(a){a.jqplot.CanvasTextRenderer=function(b){this.fontStyle="normal";this.fontVariant="normal";this.fontWeight="normal";this.fontSize="10px";this.fontFamily="sans-serif";this.fontStretch=1;this.fillStyle="#666666";this.angle=0;this.textAlign="start";this.textBaseline="alphabetic";this.text;this.width;this.height;this.pt2px=1.28;a.extend(true,this,b);this.normalizedFontSize=this.normalizeFontSize(this.fontSize);this.setHeight()};a.jqplot.CanvasTextRenderer.prototype.init=function(b){a.extend(true,this,b);this.normalizedFontSize=this.normalizeFontSize(this.fontSize);this.setHeight()};a.jqplot.CanvasTextRenderer.prototype.normalizeFontSize=function(b){b=String(b);n=parseFloat(b);if(b.indexOf("px")>-1){return n/this.pt2px}else{if(b.indexOf("pt")>-1){return n}else{if(b.indexOf("em")>-1){return n*12}else{if(b.indexOf("%")>-1){return n*12/100}else{return n/this.pt2px}}}}};a.jqplot.CanvasTextRenderer.prototype.fontWeight2Float=function(b){if(Number(b)){return b/400}else{switch(b){case"normal":return 1;break;case"bold":return 1.75;break;case"bolder":return 2.25;break;case"lighter":return 0.75;break;default:return 1;break}}};a.jqplot.CanvasTextRenderer.prototype.getText=function(){return this.text};a.jqplot.CanvasTextRenderer.prototype.setText=function(c,b){this.text=c;this.setWidth(b);return this};a.jqplot.CanvasTextRenderer.prototype.getWidth=function(b){return this.width};a.jqplot.CanvasTextRenderer.prototype.setWidth=function(c,b){if(!b){this.width=this.measure(c,this.text)}else{this.width=b}return this};a.jqplot.CanvasTextRenderer.prototype.getHeight=function(b){return this.height};a.jqplot.CanvasTextRenderer.prototype.setHeight=function(b){if(!b){this.height=this.normalizedFontSize*this.pt2px}else{this.height=b}return this};a.jqplot.CanvasTextRenderer.prototype.letter=function(b){return this.letters[b]};a.jqplot.CanvasTextRenderer.prototype.ascent=function(){return this.normalizedFontSize};a.jqplot.CanvasTextRenderer.prototype.descent=function(){return 7*this.normalizedFontSize/25};a.jqplot.CanvasTextRenderer.prototype.measure=function(d,f){var e=0;var b=f.length;for(i=0;i<b;i++){var g=this.letter(f.charAt(i));if(g){e+=g.width*this.normalizedFontSize/25*this.fontStretch}}return e};a.jqplot.CanvasTextRenderer.prototype.draw=function(t,o){var s=0;var p=this.height*0.72;var q=0;var l=o.length;var k=this.normalizedFontSize/25;t.save();var h,f;if((-Math.PI/2<=this.angle&&this.angle<=0)||(Math.PI*3/2<=this.angle&&this.angle<=Math.PI*2)){h=0;f=-Math.sin(this.angle)*this.width}else{if((0<this.angle&&this.angle<=Math.PI/2)||(-Math.PI*2<=this.angle&&this.angle<=-Math.PI*3/2)){h=Math.sin(this.angle)*this.height;f=0}else{if((-Math.PI<this.angle&&this.angle<-Math.PI/2)||(Math.PI<=this.angle&&this.angle<=Math.PI*3/2)){h=-Math.cos(this.angle)*this.width;f=-Math.sin(this.angle)*this.width-Math.cos(this.angle)*this.height}else{if((-Math.PI*3/2<this.angle&&this.angle<Math.PI)||(Math.PI/2<this.angle&&this.angle<Math.PI)){h=Math.sin(this.angle)*this.height-Math.cos(this.angle)*this.width;f=-Math.cos(this.angle)*this.height}}}}t.strokeStyle=this.fillStyle;t.fillStyle=this.fillStyle;t.translate(h,f);t.rotate(this.angle);t.lineCap="round";var u=(this.normalizedFontSize>30)?2:2+(30-this.normalizedFontSize)/20;t.lineWidth=u*k*this.fontWeight2Float(this.fontWeight);for(var g=0;g<l;g++){var m=this.letter(o.charAt(g));if(!m){continue}t.beginPath();var e=1;var b=0;for(var d=0;d<m.points.length;d++){var r=m.points[d];if(r[0]==-1&&r[1]==-1){e=1;continue}if(e){t.moveTo(s+r[0]*k*this.fontStretch,p-r[1]*k);e=false}else{t.lineTo(s+r[0]*k*this.fontStretch,p-r[1]*k)}}t.stroke();s+=m.width*k*this.fontStretch}t.restore();return q};a.jqplot.CanvasTextRenderer.prototype.letters={" 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