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493 lines
16 KiB
JavaScript
493 lines
16 KiB
JavaScript
if( typeof html5jp == 'undefined' ) {
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html5jp = new Object();
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}
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if( typeof html5jp.graph == 'undefined' ) {
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html5jp.graph = new Object();
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}
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html5jp.graph.line = function (id) {
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var elm = document.getElementById(id);
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if(! elm) { return; }
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if(elm.nodeName != "CANVAS") { return; }
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if(elm.parentNode.nodeName != "DIV") { return; };
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this.canvas = elm;
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if ( ! this.canvas ){ return; }
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if ( ! this.canvas.getContext ){ return; }
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this.ctx = this.canvas.getContext('2d');
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this.canvas.style.margin = "0";
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this.canvas.parentNode.style.position = "relative";
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this.canvas.parentNode.style.padding = "0";
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};
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html5jp.graph.line.prototype.draw = function(items, inparams) {
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if( ! this.ctx ) {return;}
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var params = {
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x: [],
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y: [],
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yMax: null,
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yMin: 0,
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backgroundColor: "#ffffff",
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gbackgroundColor: "#ffffff",//dddddd
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gGradation: true,
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lineWidth: 1,
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dotRadius: 3,
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dotType: "disc",
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hLineWidth: 1,
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hLineType: "dotted",
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hLineColor: "#eeeeee",
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xAxisWidth: 1,
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xAxisColor: "#000000",
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yAxisWidth: 1,
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yAxisColor: "#000000",
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xScaleColor: "#000000",
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xScaleFontSize: "10px",
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xScaleFontFamily: "Arial,sans-serif",
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yScaleColor: "#000000",
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yScaleFontSize: "10px",
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yScaleFontFamily: "Arial,sans-serif",
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xCaptionColor: "#000000",
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xCaptionFontSize: "12px",
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xCaptionFontFamily: "Arial,sans-serif",
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yCaptionColor: "#000000",
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yCaptionFontSize: "12px",
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yCaptionFontFamily: "Arial,sans-serif",
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dLabel: true,
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dLabelColor: "#000000",
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dLabelFontSize: "10px",
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dLabelFontFamily: "Arial,sans-serif",
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legend: true,
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legendFontSize: "12px",
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legendFontFamily: "Arial,sans-serif",
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legendColor: "#000000"
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};
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if( inparams && typeof(inparams) == 'object' ) {
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for( var key in inparams ) {
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params[key] = inparams[key];
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}
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}
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this.params = params;
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if( params.backgroundColor ) {
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this.ctx.beginPath();
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this.ctx.fillStyle = params.backgroundColor;
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this.ctx.fillRect(0, 0, this.canvas.width, this.canvas.height);
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}
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if(this.canvas.width / this.canvas.height < 1.5 || this.canvas.height < 200) {
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params.legend == false;
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}
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var canvas_pos = this._getElementAbsPos(this.canvas);
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var cpos = {
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x0: this.canvas.width * 0.1,
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y0: this.canvas.height * 0.9,
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x1: this.canvas.width * 0.9,
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y1: this.canvas.height * 0.1
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};
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if( typeof(params.x) == "object" && params.x.length > 0) {
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cpos.y0 = this.canvas.height * 0.8;
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}
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if( typeof(params.y) == "object" && params.y.length > 0) {
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cpos.x0 = this.canvas.width * 0.15;
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cpos.y1 = this.canvas.height * 0.15
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}
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if(params.legend == true) {
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cpos.x1 = this.canvas.width * 0.7;
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}
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cpos.w = cpos.x1 - cpos.x0;
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cpos.h = cpos.y0 - cpos.y1;
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var item_num = items.length;
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if(item_num > 10) { item_num = 10; }
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if(params.legend == true) {
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var legend_tmp_s = this._getTextBoxSize('あTEST', params.legendFontSize, params.legendFontFamily);
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var lpos = {
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x: Math.round( cpos.x1 + this.canvas.width * 0.03 ),
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y: Math.round( ( this.canvas.height - ( legend_tmp_s.h * item_num + legend_tmp_s.h * 0.2 * (item_num - 1) ) ) / 2 ),
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h: legend_tmp_s.h
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};
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lpos.cx = lpos.x + Math.round( lpos.h * 2.5 );
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lpos.cw = this.canvas.width - lpos.cx;
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}
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if(params.gGradation == true) {
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this.ctx.beginPath();
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this.ctx.moveTo(cpos.x0, cpos.y0);
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this.ctx.lineTo(cpos.x1, cpos.y0);
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this.ctx.lineTo(cpos.x1, cpos.y1);
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this.ctx.lineTo(cpos.x0, cpos.y1);
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this.ctx.closePath();
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var radgrad = this.ctx.createLinearGradient(cpos.x0,cpos.y1,cpos.x0,cpos.y0);
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var o_gbc = this._csscolor2rgb(params.gbackgroundColor);
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var gbc = o_gbc.r + "," + o_gbc.g + "," + o_gbc.b;
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radgrad.addColorStop(0, "rgb(" + gbc + ")");
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radgrad.addColorStop(1, "rgb(255,255,255)");
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this.ctx.fillStyle = radgrad;
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this.ctx.fill();
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} else {
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this.ctx.fillStyle = params.gbackgroundColor;
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this.ctx.fillRect(cpos.x0, cpos.y1, cpos.w, cpos.h);
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}
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var max_v = null;
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var min_v = null;
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var max_n = 0;
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if(params.y.length > 1) {
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max = params.y[ params.y.length - 1 ];
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}
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for(var i=0; i<item_num; i++) {
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var n = items[i].length;
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if(n < 2) { continue; }
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for(var j=1; j<n; j++) {
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var v = items[i][j];
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if( isNaN(v) ) {
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throw new Error('invalid graph item data.' + n);
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}
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if(max_v == null) {
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max_v = v;
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} else if(v >= max_v) {
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max_v = v;
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}
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if(min_v == null) {
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min_v = v;
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} else if(v <= min_v) {
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min_v = v;
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}
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}
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if(n - 1 >= max_n) {
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max_n = n - 1;
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}
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}
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if( typeof(params.yMin) != "number" ) {
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params.yMin = 0;
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}
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if( typeof(params.yMax) != "number" ) {
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params.yMax = max_v + Math.abs(max_v - min_v) * 0.1;
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}
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var v_range = Math.abs( params.yMax - params.yMin );
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if( typeof(params.hLineWidth) == "number" && params.hLineWidth > 0 ) {
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var h_line_type = "dashed";
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if( params.hLineType.match(/^(solid|dashed|dotted)$/i) ) {
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h_line_type = params.hLineType;
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}
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for(var i=1; i<params.y.length; i++) {
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var aline_x0 = cpos.x0;
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var aline_y0 = Math.round( cpos.y0 - cpos.h * ( params.y[i] - params.yMin ) / v_range );
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var aline_x1 = cpos.x1;
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this._draw_h_aline(aline_x0, aline_y0, aline_x1, params.hLineWidth, h_line_type, params.hLineColor);
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}
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}
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//var colors = ["24,41,206", "198,0,148", "214,0,0", "255,156,0", "33,156,0", "33,41,107", "115,0,90", "132,0,0", "165,99,0", "24,123,0"];
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var colors = ["207, 220, 41", "220, 108, 41", "41, 117, 220", "41, 220, 146", "248, 197, 153", "220, 41, 142", "193, 248, 153", "248, 153, 153", "220, 41, 41", "166, 153, 248"];
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var plots = new Array();
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for(var i=0; i<item_num; i++) {
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this.ctx.beginPath();
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this.ctx.lineJoin = "round";
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plots[i] = new Array();
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var n = items[i].length;
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for(var j=1; j<n; j++) {
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var v = items[i][j];
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var p = {
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x: Math.round( cpos.x0 + cpos.w * ( j - 0.5 ) / max_n ),
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y: Math.round( cpos.y0 - cpos.h * ( v - params.yMin ) / v_range ),
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v: v
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}
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plots[i].push(p);
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if(j == 1) {
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this.ctx.moveTo(p.x, p.y);
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} else {
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this.ctx.lineTo(p.x, p.y);
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}
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}
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var line_width = 1;
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if( typeof(params.lineWidth) == "object" && ! isNaN(params.lineWidth[i])) {
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line_width = params.lineWidth[i];
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} else if( typeof(params.lineWidth) == "number" && ! isNaN(params.lineWidth)) {
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line_width = params.lineWidth;
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}
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this.ctx.lineWidth = line_width;
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var line_color = "rgb(" + colors[i] + ")";
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this.ctx.strokeStyle = line_color;
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this.ctx.stroke();
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var dot_rad = null;
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if( typeof(params.dotRadius) == "object" && ! isNaN(params.dotRadius[i]) && params.dotRadius[i] > 0 ) {
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dot_rad = params.dotRadius[i];
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} else if( typeof(params.dotRadius) == "number" && ! isNaN(params.dotRadius) && params.dotRadius > 0 ) {
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dot_rad = params.dotRadius;
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}
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var dot_type = null;
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if( typeof(params.dotType) == "object" && typeof(params.dotType[i]) == "string" ) {
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dot_type = params.dotType[i];
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} else if( typeof(params.dotType) == "string" ) {
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dot_type = params.dotType;
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} else {
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dot_type = "disc";
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}
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if(dot_rad > 0) {
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for(var k=0; k<plots[i].length; k++) {
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this._draw_dot(plots[i][k].x, plots[i][k].y, dot_rad, dot_type, colors[i]);
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}
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}
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if(params.dLabel == true) {
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for(var k=0; k<plots[i].length; k++) {
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if(plots[i][k].x < cpos.x0 || plots[i][k].x > cpos.x1 || plots[i][k].y > cpos.y0 || plots[i][k].y < cpos.y1) {
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continue;
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}
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var dlabel = plots[i][k].v.toString();
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var margin = 1;
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if(dot_rad != null && dot_rad > 0) {
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margin += dot_rad;
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}
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var s = this._getTextBoxSize(dlabel, params.dLabelFontSize, params.dLabelFontFamily);
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var dlabel_x = plots[i][k].x - Math.round( s.w / 2 );
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var dlabel_y = plots[i][k].y - Math.round( s.h ) - margin;
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this._drawText(dlabel_x, dlabel_y, dlabel, params.dLabelFontSize, params.dLabelFontFamily, params.dLabelColor);
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}
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}
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if(params.legend == true) {
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this._drawText(lpos.cx, lpos.y, items[i][0], params.legendFontSize, params.legendFontFamily, params.legendColor);
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this._draw_h_aline(lpos.x, Math.round(lpos.y+lpos.h/2), lpos.x + lpos.h*2, line_width, "solid", line_color);
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if(dot_rad > 0) {
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this._draw_dot(Math.round(lpos.x+lpos.h), Math.round(lpos.y+lpos.h/2), dot_rad, dot_type, colors[i]);
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}
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lpos.y = lpos.y + lpos.h * 1.2;
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}
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}
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this.ctx.fillStyle = params.backgroundColor;
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this.ctx.fillRect(cpos.x0, 0, cpos.w, cpos.y1);
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this.ctx.fillRect(cpos.x0, cpos.y0, cpos.w, this.canvas.height - cpos.y0);
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if( typeof(params.xAxisWidth) == "number" && params.xAxisWidth > 0 ) {
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this._draw_h_aline(cpos.x0, cpos.y0, cpos.x1, params.xAxisWidth, "solid", params.xAxisColor);
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}
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if( typeof(params.yAxisWidth) == "number" && params.yAxisWidth > 0 ) {
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this._draw_v_aline(cpos.x0, cpos.y0, cpos.y1, params.yAxisWidth, "solid", params.yAxisColor);
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}
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var xscale_y_under = 0;
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for(var i=1; i<=max_n; i++) {
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if( typeof(params.x[i] ) != "string" ) { continue; }
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if(params.x[i] == "") { continue; }
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var s = this._getTextBoxSize(params.x[i], params.xScaleFontSize, params.xScaleFontFamily);
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var xscale_x = Math.round( cpos.x0 + cpos.w * ( i - 0.5 ) / max_n ) - Math.round( s.w / 2 );
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var xscale_y = cpos.y0 + 5;
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this._drawText(xscale_x, xscale_y, params.x[i], params.xScaleFontSize, params.xScaleFontFamily, params.xScaleColor);
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if(xscale_y + s.h >= xscale_y_under) {
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xscale_y_under = xscale_y + s.h;
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}
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}
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var yscale_y_top = this.canvas.height;
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for(var i=1; i<params.y.length; i++) {
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if( typeof(params.y[i] ) != "number" ) { continue; }
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var v = params.y[i].toString();
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if(v == "") { continue; }
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if(params.y[i] < params.yMin || params.y[i] > params.yMax) { continue; }
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var s = this._getTextBoxSize(v, params.yScaleFontSize, params.yScaleFontFamily);
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var yscale_y = Math.round( cpos.y0 - cpos.h * ( params.y[i] - params.yMin ) / v_range ) - Math.round( s.h / 2 );
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var yscale_x = Math.round( cpos.x0 - s.w ) - 5;
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this._drawText(yscale_x, yscale_y, v, params.yScaleFontSize, params.yScaleFontFamily, params.yScaleColor);
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if(yscale_y <= yscale_y_top) {
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yscale_y_top = yscale_y;
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}
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}
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if( typeof(params.x[0]) == "string" && params.x[0] != "" ) {
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var s = this._getTextBoxSize(params.x[0], params.xCaptionFontSize, params.xCaptionFontFamily);
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var xcaption_y = cpos.y0 + 5;
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if(xscale_y_under > 0) {
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xcaption_y = xscale_y_under + 5;
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}
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var xcaption_x = Math.round( cpos.x0 + ( cpos.w / 2 ) - ( s.w / 2 ) );
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this._drawText(xcaption_x, xcaption_y, params.x[0], params.xCaptionFontSize, params.xCaptionFontFamily, params.xCaptionColor);
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}
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if( typeof(params.y[0]) == "string" && params.y[0] != "" ) {
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var s = this._getTextBoxSize(params.y[0], params.yCaptionFontSize, params.yCaptionFontFamily);
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var ycaption_y = yscale_y_top - s.h - 5;
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if(yscale_y_top > cpos.y1) {
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ycaption_y = cpos.y1 - s.h - 5;
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}
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var ycaption_x = Math.round( cpos.x0 - ( s.w / 2 ) );
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if(ycaption_x < 5) {
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ycaption_x = 5;
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}
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this._drawText(ycaption_x, ycaption_y, params.y[0], params.yCaptionFontSize, params.yCaptionFontFamily, params.yCaptionColor);
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}
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};
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html5jp.graph.line.prototype._draw_v_aline = function(x0, y0, y1, width, type, color) {
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color = this._csscolor2rgb(color);
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this.ctx.beginPath();
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color = "rgb(" + color.r + "," + color.g + "," + color.b + ")"
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this.ctx.strokeStyle = color;
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this.ctx.lineWidth = width;
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if(type == "solid") {
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this.ctx.moveTo(x0, y0);
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this.ctx.lineTo(x0, y1);
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this.ctx.stroke();
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} else if( type == "dashed" || (type == "dotted" && width < 2) ) {
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var y = y0;
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while(1) {
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if(y - width*4 < y1) { break; }
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this.ctx.moveTo(x0, y);
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y = y - width * 4;
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this.ctx.lineTo(x0, y);
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this.ctx.stroke();
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if(y - width*2 < y1) { break; }
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y = y - width*2;
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}
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} else if(type == "dotted") {
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this.ctx.fillStyle = color;
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var y = y0;
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while(1) {
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if(y - width*2 < y1) { break; }
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this.ctx.arc(x0, y, width/2, 0, Math.PI*2, false);
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this.ctx.fill();
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if(y - width*2 < y1) { break; }
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y = y - width*2;
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}
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}
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};
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html5jp.graph.line.prototype._draw_h_aline = function(x0, y0, x1, width, type, color) {
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color = this._csscolor2rgb(color);
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this.ctx.beginPath();
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color = "rgb(" + color.r + "," + color.g + "," + color.b + ")"
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this.ctx.strokeStyle = color;
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this.ctx.lineWidth = width;
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if(type == "solid") {
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this.ctx.moveTo(x0, y0);
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this.ctx.lineTo(x1, y0);
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this.ctx.stroke();
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} else if( type == "dashed" || (type == "dotted" && width < 2) ) {
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var x = x0;
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while(1) {
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if(x + width*4 > x1) { break; }
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this.ctx.moveTo(x, y0);
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x = x + width * 4;
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this.ctx.lineTo(x, y0);
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this.ctx.stroke();
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if(x + width*2 > x1) { break; }
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x = x + width*2;
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}
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} else if(type == "dotted") {
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this.ctx.fillStyle = color;
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var x = x0;
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while(1) {
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if(x + width*2 > x1) { break; }
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this.ctx.arc(x, y0, width/2, 0, Math.PI*2, false);
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this.ctx.fill();
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if(x + width*2 > x1) { break; }
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x = x + width*2;
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}
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}
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};
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html5jp.graph.line.prototype._draw_dot = function(x, y, rad, type, color) {
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this.ctx.beginPath();
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this.ctx.fillStyle = "rgb(" + color + ")";
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if( type == "disc" ) {
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this.ctx.arc(x, y, rad, 0, Math.PI*2, false);
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} else if( type == "square" ) {
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this.ctx.moveTo(x-rad, y-rad);
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this.ctx.lineTo(x+rad, y-rad);
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this.ctx.lineTo(x+rad, y+rad);
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this.ctx.lineTo(x-rad, y+rad);
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} else if( type == "triangle" ) {
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this.ctx.moveTo(x, y-rad);
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this.ctx.lineTo(x+rad, y+rad);
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this.ctx.lineTo(x-rad, y+rad);
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} else if( type == "i-triangle" ) {
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this.ctx.moveTo(x, y+rad);
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this.ctx.lineTo(x+rad, y-rad);
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this.ctx.lineTo(x-rad, y-rad);
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} else if( type == "diamond" ) {
|
|
this.ctx.moveTo(x, y-rad);
|
|
this.ctx.lineTo(x+rad, y);
|
|
this.ctx.lineTo(x, y+rad);
|
|
this.ctx.lineTo(x-rad, y);
|
|
} else {
|
|
this.ctx.arc(x, y, rad, 0, Math.PI*2, false);
|
|
}
|
|
this.ctx.closePath();
|
|
this.ctx.fill();
|
|
};
|
|
html5jp.graph.line.prototype._drawText = function(x, y, text, font_size, font_family, color) {
|
|
var div = document.createElement('DIV');
|
|
div.appendChild( document.createTextNode(text) );
|
|
div.style.fontSize = font_size;
|
|
div.style.fontFamily = font_family;
|
|
div.style.color = color;
|
|
div.style.margin = "0";
|
|
div.style.padding = "0";
|
|
div.style.position = "absolute";
|
|
div.style.left = x.toString() + "px";
|
|
div.style.top = y.toString() + "px";
|
|
this.canvas.parentNode.appendChild(div);
|
|
}
|
|
html5jp.graph.line.prototype._getTextBoxSize = function(text, font_size, font_family) {
|
|
var tmpdiv = document.createElement('DIV');
|
|
tmpdiv.appendChild( document.createTextNode(text) );
|
|
tmpdiv.style.fontSize = font_size;
|
|
tmpdiv.style.fontFamily = font_family;
|
|
tmpdiv.style.margin = "0";
|
|
tmpdiv.style.padding = "0";
|
|
tmpdiv.style.visible = "hidden";
|
|
tmpdiv.style.position = "absolute";
|
|
tmpdiv.style.left = "0px";
|
|
tmpdiv.style.top = "0px";
|
|
this.canvas.parentNode.appendChild(tmpdiv);
|
|
var o = {
|
|
w: tmpdiv.offsetWidth,
|
|
h: tmpdiv.offsetHeight
|
|
};
|
|
tmpdiv.parentNode.removeChild(tmpdiv);
|
|
return o;
|
|
}
|
|
html5jp.graph.line.prototype._getElementAbsPos = function(elm) {
|
|
var obj = new Object();
|
|
obj.x = elm.offsetLeft;
|
|
obj.y = elm.offsetTop;
|
|
while(elm.offsetParent) {
|
|
elm = elm.offsetParent;
|
|
obj.x += elm.offsetLeft;
|
|
obj.y += elm.offsetTop;
|
|
}
|
|
return obj;
|
|
};
|
|
html5jp.graph.line.prototype._csscolor2rgb = function (c) {
|
|
if( ! c ) { return null; }
|
|
var color_map = {
|
|
black: "#000000",
|
|
gray: "#808080",
|
|
silver: "#c0c0c0",
|
|
white: "#ffffff",
|
|
maroon: "#800000",
|
|
red: "#ff0000",
|
|
purple: "#800080",
|
|
fuchsia: "#ff00ff",
|
|
green: "#008000",
|
|
lime: "#00FF00",
|
|
olive: "#808000",
|
|
yellow: "#FFFF00",
|
|
navy: "#000080",
|
|
blue: "#0000FF",
|
|
teal: "#008080",
|
|
aqua: "#00FFFF"
|
|
};
|
|
c = c.toLowerCase();
|
|
var o = new Object();
|
|
if( c.match(/^[a-zA-Z]+$/) && color_map[c] ) {
|
|
c = color_map[c];
|
|
}
|
|
var m = null;
|
|
if( m = c.match(/^\#([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i) ) {
|
|
o.r = parseInt(m[1], 16);
|
|
o.g = parseInt(m[2], 16);
|
|
o.b = parseInt(m[3], 16);
|
|
} else if( m = c.match(/^\#([a-f\d]{1})([a-f\d]{1})([a-f\d]{1})$/i) ) {
|
|
o.r = parseInt(m[1]+"0", 16);
|
|
o.g = parseInt(m[2]+"0", 16);
|
|
o.b = parseInt(m[3]+"0", 16);
|
|
} else if( m = c.match(/^rgba*\(\s*(\d+),\s*(\d+),\s*(\d+)/i) ) {
|
|
o.r = m[1];
|
|
o.g = m[2];
|
|
o.b = m[3];
|
|
} else if( m = c.match(/^rgba*\(\s*(\d+)\%,\s*(\d+)\%,\s*(\d+)\%/i) ) {
|
|
o.r = Math.round(m[1] * 255 / 100);
|
|
o.g = Math.round(m[2] * 255 / 100);
|
|
o.b = Math.round(m[3] * 255 / 100);
|
|
} else {
|
|
return null;
|
|
}
|
|
return o;
|
|
};
|
|
|