/* This notice must remain at all times. pie.js Copyright (c) Balamurugan S, 2005. sbalamurugan @ hotmail.com Development support by Jexp, Inc http://www.jexp.com This package is free software. It is distributed under GPL - legalese removed, it means that you can use this for any purpose, but cannot charge for this software. Any enhancements you make to this piece of code, should be made available free to the general public! Latest version can be downloaded from http://www.sbmkpm.com This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. pie.js provides a simple mechanism to draw pie charts. It uses wz_jsgraphics.js which is copyright of its author. Usage: var p = new pie(); p.add("title1",value1); p.add("title2",value2); p.render("canvas_name", "graph_title", imageSize); canvas_name is a div defined INSIDE body tag graph_title is the text that is displayed over the graph itself imageSize is the desired size of the pie chart (in pixels)

*/ hD="0123456789ABCDEF"; function d2h(d) { var h = hD.substr(d&15,1); while(d>15) {d>>=4;h=hD.substr(d&15,1)+h;} return h; } function h2d(h) { return parseInt(h,16); } function pie() { this.ct = 0; this.data = new Array(); this.x_name = new Array(); this.div_id = new Array(); this.max = 0; this.c_array = new Array(); this.c_array[0] = new Array(255, 192, 95); this.c_array[1] = new Array(80, 127, 175); this.c_array[2] = new Array(159, 87, 112); this.c_array[3] = new Array(111, 120, 96); this.c_array[4] = new Array(224, 119, 96); this.c_array[5] = new Array(80, 159, 144); this.c_array[6] = new Array(207, 88, 95); this.c_array[7] = new Array(64, 135, 96); this.c_array[8] = new Array(239, 160, 95); this.c_array[9] = new Array(144, 151, 80); this.c_array[10] = new Array(255, 136, 80); this.getColor = function() { if(this.ct >= (this.c_array.length-1)) this.ct = 0; else this.ct++; return "#" + d2h(this.c_array[this.ct][0]) + d2h(this.c_array[this.ct][1]) + d2h(this.c_array[this.ct][2]); } this.add = function(x_name, value, divId) { this.x_name.push(x_name); this.data.push(parseInt(value,10)); divId?this.div_id.push(divId):null; this.max += parseInt(value,10); } this.render = function(canvas, title, size) { var jg,cnv,r,sW,cH,sx,xy,st_angle,hyp,lblFnt,graphFnt; jg = new jsGraphics(canvas); cnv = document.getElementById(canvas); //location of Graph cW = (cnv.style.width).substring(0,(cnv.style.width).lastIndexOf('px')); //width of chart canvas cH = (cnv.style.height).substring(0,(cnv.style.height).lastIndexOf('px')); //height of chart canvas size?size=size:size=cW*.5; //if no size is provided, default to 50% of the canvas width. r = size/2; sx = cW/2 - r; //start X sy = cH/2 - r; //start Y st_angle = 0; //starting position for piechart graph hyp = r*1.25; //the length of the ray used to position the text (125% of the radius) lblFnt = 10; graphFnt = 14; // pie shadow jg.setColor("gray"); jg.fillEllipse(sx+3,sy+3,2*r,2*r); for(i = 0; i