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Last change
on this file since 28914 was 28914, checked in by ak19, 10 years ago |
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Supporting javascript libraries and bespoke code written by Steffan to support the von-sparql user interface
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File size:
942 bytes
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| 1 | <!DOCTYPE html>
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| 2 | <html>
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| 3 | <head>
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| 4 | <meta charset="UTF-8">
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| 5 | <title>Grid</title>
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| 6 | <link rel="stylesheet" href="../css/style.css">
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| 7 | <script type="text/javascript" src="../../dist/paper.js"></script>
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| 8 | <script type="text/paperscript" canvas="canvas">
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| 9 | /////////////////////////////////////////////////////////////////////
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| 10 | // Values
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| 11 |
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| 12 | tool.fixedDistance = 10;
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| 13 |
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| 14 | var values = { size: tool.fixedDistance };
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| 15 |
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| 16 | /////////////////////////////////////////////////////////////////////
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| 17 | // Mouse handling
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| 18 |
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| 19 | var point, path;
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| 20 |
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| 21 | function getPos(pt) {
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| 22 | return (pt / values.size).round() * values.size;
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| 23 | }
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| 24 |
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| 25 | function onMouseDown(event) {
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| 26 | point = getPos(event.point);
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| 27 | path = new Path();
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| 28 | path.strokeColor = 'black';
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| 29 | path.add(point);
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| 30 | }
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| 31 |
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| 32 | function onMouseDrag(event) {
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| 33 | var p = getPos(event.point);
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| 34 | if (point != p) {
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| 35 | path.add(p);
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| 36 | point = p;
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| 37 | }
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| 38 | }
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| 39 | </script>
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| 40 | </head>
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| 41 | <body>
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| 42 | <canvas id="canvas" resize></canvas>
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| 43 | </body>
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| 44 | </html> |
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