if(!dojo._hasResource["dojox.charting.plot2d.Pie"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.dojo._hasResource["dojox.charting.plot2d.Pie"] = true;dojo.provide("dojox.charting.plot2d.Pie");dojo.require("dojox.charting.Element");dojo.require("dojox.charting.axis2d.common");dojo.require("dojox.charting.plot2d.common");dojo.require("dojox.lang.functional");dojo.require("dojox.gfx");(function(){	var df = dojox.lang.functional, du = dojox.lang.utils,		dc = dojox.charting.plot2d.common,		da = dojox.charting.axis2d.common,		g = dojox.gfx,		labelFudgeFactor = 0.8;		// in percents (to convert font's heigth to label width)	dojo.declare("dojox.charting.plot2d.Pie", dojox.charting.Element, {		defaultParams: {			labels:			true,			ticks:			false,			fixed:			true,			precision:		1,			labelOffset:	20,			labelStyle:		"default",	// default/rows/auto			htmlLabels:		true		// use HTML to draw labels		},		optionalParams: {			font:		"",			fontColor:	"",			radius:		0		},		constructor: function(chart, kwArgs){			this.opt = dojo.clone(this.defaultParams);			du.updateWithObject(this.opt, kwArgs);			du.updateWithPattern(this.opt, kwArgs, this.optionalParams);			this.run = null;			this.dyn = [];		},		clear: function(){			this.dirty = true;			this.dyn = [];			return this;		},		setAxis: function(axis){			// nothing			return this;		},		addSeries: function(run){			this.run = run;			return this;		},		calculateAxes: function(dim){			// nothing			return this;		},		getRequiredColors: function(){			return this.run ? this.run.data.length : 0;		},		render: function(dim, offsets){			if(!this.dirty){ return this; }			this.dirty = false;			this.cleanGroup();			var s = this.group, color, t = this.chart.theme;			// calculate the geometry			var rx = (dim.width  - offsets.l - offsets.r) / 2,				ry = (dim.height - offsets.t - offsets.b) / 2,				r  = Math.min(rx, ry),				taFont = "font" in this.opt ? this.opt.font : t.axis.font,				taFontColor = "fontColor" in this.opt ? this.opt.fontColor : t.axis.fontColor,				sum = df.foldl1(this.run.data, "+"), start = 0, step,				slices = dojo.map(this.run.data, function(x){ return x / sum; }),				shift, size, labelR;			if(this.opt.labels){				var labels = dojo.map(slices, function(x){					return this._getLabel(x * 100) + "%";				}, this);				shift = df.foldl1(dojo.map(labels, df.pluck("length")), "x, y -> Math.max(x, y)");				size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;				shift = Math.max(shift * labelFudgeFactor, 1) / 2 * size;				if(this.opt.labelOffset < 0){					r = Math.min(rx - 2 * shift, ry - size) + this.opt.labelOffset;				}				labelR = r - this.opt.labelOffset;			}			if("radius" in this.opt){				r = this.opt.radius;				labelR = r - this.opt.labelOffset;			}			var	circle = {					cx: offsets.l + rx,					cy: offsets.t + ry,					r:  r				};			this.dyn = [];						if(!this.run || !this.run.data.length){				return this;			}			if(this.run.data.length == 1){				// need autogenerated color				color = new dojo.Color(t.next("color"));				var shape = s.createCircle(circle).						setFill(dc.augmentFill(t.run.fill, color)).						setStroke(dc.augmentStroke(t.series.stroke, color));				this.dyn.push({color: color, fill: shape.getFill(), stroke: shape.getStroke()});				if(this.opt.labels){					var shift = 4,						taFont = "font" in this.opt ? this.opt.font : t.axis.font,						taFontColor = "fontColor" in this.opt ? this.opt.fontColor : t.axis.fontColor,						size = taFont ? g.normalizedLength(g.splitFontString(taFont).size) : 0;					shift = Math.max(shift * labelFudgeFactor, 1) / 2 * size;					// draw the label					var elem = da.createText[this.opt.htmlLabels ? "html" : "gfx"]									(this.chart, s, circle.cx, circle.cy + size / 2, "middle",										"100%", taFont, taFontColor);					if(this.opt.htmlLabels){ this.htmlElements.push(elem); }				}				return this;			}			// draw slices			dojo.forEach(slices, function(x, i){				// calculate the geometry of the slice				var end = start + x * 2 * Math.PI;				if(i + 1 == slices.length){					end = 2 * Math.PI;				}				var	step = end - start,					x1 = circle.cx + r * Math.cos(start),					y1 = circle.cy + r * Math.sin(start),					x2 = circle.cx + r * Math.cos(end),					y2 = circle.cy + r * Math.sin(end);				// draw the slice				color = new dojo.Color(t.next("color"));				var shape = s.createPath({}).						moveTo(circle.cx, circle.cy).						lineTo(x1, y1).						arcTo(r, r, 0, step > Math.PI, true, x2, y2).						lineTo(circle.cx, circle.cy).						closePath().						setFill(dc.augmentFill(t.series.fill, color)).						setStroke(dc.augmentStroke(t.series.stroke, color));				this.dyn.push({color: color, fill: shape.getFill(), stroke: shape.getStroke()});				start = end;			}, this);			// draw labels			if(this.opt.labels){				start = 0;				dojo.forEach(slices, function(x, i){					// calculate the geometry of the slice					var end = start + x * 2 * Math.PI;					if(i + 1 == slices.length){						end = 2 * Math.PI;					}					var	labelAngle = (start + end) / 2,						x = circle.cx + labelR * Math.cos(labelAngle),						y = circle.cy + labelR * Math.sin(labelAngle) + size / 2;					// draw the label					var elem = da.createText[this.opt.htmlLabels ? "html" : "gfx"]									(this.chart, s, x, y, "middle",										labels[i], taFont, taFontColor);					if(this.opt.htmlLabels){ this.htmlElements.push(elem); }					start = end;				}, this);			}			return this;		},				// utilities		_getLabel: function(number){			return this.opt.fixed ? number.toFixed(this.opt.precision) : number.toString();		}	});})();}