Merge pull request #2 from witsa/master
[dygraphs.git] / tests / custom-circles.html
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1<!DOCTYPE html>
2<html>
3 <head>
4 <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7; IE=EmulateIE9">
240c0b11 5 <title>Custom Circles</title>
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6 <!--[if IE]>
7 <script type="text/javascript" src="../excanvas.js"></script>
8 <![endif]-->
9 <!--
10 For production (minified) code, use:
11 <script type="text/javascript" src="dygraph-combined.js"></script>
12 -->
13 <script type="text/javascript" src="../dygraph-dev.js"></script>
14
15 </head>
16 <body>
240c0b11 17 <h2>Custom circles and hover circles</h2>
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18
19 <script type="text/javascript">
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20 // Simple version
21 var div = document.createElement('div');
22 document.body.appendChild(div);
23
24 var data = 'x,A,B\n' +
25 '1,1,2\n' +
26 '2,2,4\n' +
27 '3,3,6\n' +
28 '4,4,8\n' +
29 '5,5,7\n';
30 var g = new Dygraph(div, data, {
31 drawPoints : true,
32 pointSize : 5,
33 highlightCircleSize: 8,
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34 series : {
35 A : {
36 drawPointCallback : Dygraph.Circles.TRIANGLE,
37 drawHighlightPointCallback : Dygraph.Circles.TRIANGLE
38 },
39 B : {
40 drawPointCallback : Dygraph.Circles.HEXAGON,
41 drawHighlightPointCallback : Dygraph.Circles.HEXAGON
42 }
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43 }
44 });
45
46
47 // Fancy demos
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48 var smile = function(g, series, ctx, cx, cy, color, radius) {
49 mouthlessFace(g, series, ctx, cx, cy, color, radius);
773d1312 50
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51 ctx.fillStyle = "#000000";
52 ctx.beginPath();
53 ctx.arc(cx, cy, radius - 2, .3, Math.PI - .3, false);
54 ctx.stroke();
55 };
56
57 var frown = function(g, series, ctx, cx, cy, color, radius) {
58 mouthlessFace(g, series, ctx, cx, cy, color, radius);
59
a8ef67a8 60 ctx.lineWidth = 1;
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61 ctx.fillStyle = "#000000";
62 ctx.beginPath();
4ab51f75 63 ctx.arc(cx, cy + radius, radius - 2, Math.PI + .3, -.3, false);
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64 ctx.stroke();
65 };
773d1312 66
240c0b11 67 var mouthlessFace = function(g, series, ctx, cx, cy, color, radius) {
a8ef67a8 68 ctx.lineWidth = 1;
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69 ctx.strokeStyle = "#000000";
70 ctx.fillStyle = "#FFFF00";
71 ctx.beginPath();
72 ctx.arc(cx, cy, radius, Math.PI * 2, false);
73 ctx.closePath();
74 ctx.stroke();
75 ctx.fill();
773d1312 76
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77 ctx.fillStyle = "#000000";
78 ctx.beginPath();
79 ctx.arc(cx - (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
80 ctx.closePath();
81 ctx.stroke();
82 ctx.fill();
773d1312 83
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84 ctx.beginPath();
85 ctx.arc(cx + (radius / 3) , cy - (radius / 4), 1, Math.PI * 2, false);
86 ctx.closePath();
87 ctx.stroke();
88 ctx.fill();
89 };
90
a7803eea 91 var makeGraph = function(title, yFunc, extraOpts) {
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92 var opts = {
93 drawPoints : true,
94 pointSize : 5
95 };
96
97 var shapes = [];
a7803eea 98 var addShape = function(name, pointFn, highlightPointFn) {
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99 shapes.push(name);
100 opts[name] = {
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101 drawPointCallback: pointFn,
102 drawHighlightPointCallback: highlightPointFn
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103 };
104 };
105
106 for (var shape in Dygraph.Circles) {
107 if (!Dygraph.Circles.hasOwnProperty(shape)) continue;
108 var fn = Dygraph.Circles[shape];
109 if (typeof fn !== 'function') continue;
110 addShape(shape.toLowerCase(), fn, fn);
111 };
112 addShape('custom', frown, smile);
113
114 for (var key in extraOpts) {
115 if (extraOpts.hasOwnProperty(key)) {
116 opts[key] = extraOpts[key];
117 }
118 };
773d1312 119
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120 var header = document.createElement('h3');
121 header.appendChild(document.createTextNode(title));
122 document.body.appendChild(header);
123
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124 var div = document.createElement('div');
125 document.body.appendChild(div);
a7803eea 126
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127 var g = new Dygraph(
128 div,
129 function() {
130 var r = "xval," + shapes.join(',') + "\n";
131 var n = shapes.length;
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132 for (var i=1; i<=20; i++) {
133 r += i;
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134 for (var j = 0; j < n; j++) {
135 r += "," + yFunc(i, j, n);
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136 }
137 r += "\n";
138 }
139 return r;
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140 }, opts);
141 };
142
143 makeGraph(
a7803eea 144 "Gallery of predefined shapes, adding a custom shape:",
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145 function(x, c, n) {
146 return x / 3 + c * 10;
147 }, {
148 highlightCircleSize : 8
149 });
150 makeGraph(
a7803eea 151 "With interactive per-series highlighting:",
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152 function(x, c, n) {
153 return Math.sin(x * c / n);
154 }, {
155 strokeBorderWidth: 2,
156 highlightSeriesOpts: {
157 pointSize: 6,
158 highlightCircleSize: 10,
159 strokeWidth: 2,
160 }});
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161 </script>
162</body>
3fdc648d 163</html>