mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-03 19:45:44 -05:00
100 lines
No EOL
3 KiB
HTML
100 lines
No EOL
3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Example</title>
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<script type="text/javascript" src="../../src/Bootstrap.js"></script>
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<script type="text/javascript" src="../../src/Item.js"></script>
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<script type="text/javascript" src="../../src/PathItem.js"></script>
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<script type="text/javascript" src="../../src/Point.js"></script>
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<script type="text/javascript" src="../../src/Rectangle.js"></script>
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<script type="text/javascript" src="../../src/Size.js"></script>
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<script type="text/javascript" src="../../src/Segment.js"></script>
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<script type="text/javascript" src="../../src/PathItem.js"></script>
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<script type="text/javascript" src="../../src/Path.js"></script>
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<script type="text/javascript" src="../../src/Doc.js"></script>
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<script type="text/javascript" src="../../src/Layer.js"></script>
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<script type="text/javascript" src="../../src/Group.js"></script>
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<script type="text/javascript" src="../../src/ToolEvent.js"></script>
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<script type="text/javascript" src="../../src/ToolHandler.js"></script>
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<script type="text/javascript" src="../../src/Tool.js"></script>
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<script>
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window.onload = function() {
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var canvas = document.getElementById('canvas');
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var doc = new Doc(canvas);
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var path;
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var minSize = 5;
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var tool = new Tool({
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onMouseDown: function(event) {
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},
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onMouseDrag: function(event) {
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// If the user dragged more then minSize:
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if (event.delta.length > minSize) {
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// If there is no path, make one:
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if (!path) {
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path = new Path();
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path.fillColor = 'black';
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path.add(event.lastPoint);
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doc.activeLayer.appendTop(path);
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}
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var step = event.delta.divide(2);
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step.angle = step.angle + 90;
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// The top point: the middle point + the step rotated by 90 degrees:
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// -----*
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// |
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// ------
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var top = event.middlePoint.add(step);
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// The bottom point: the middle point - the step rotated by 90 degrees:
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// ------
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// |
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// -----*
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var bottom = event.middlePoint.subtract(step);
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path.add(top);
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path.insert(0, bottom);
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path.smooth();
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} else {
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// If the user dragged too slowly:
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// If there is currently a path, close it
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if (path) {
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path.add(event.point);
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path.closed = true;
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path.smooth();
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// Set path to null (nothing) so the path check above
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// will force a new path next time the user drags fast enough:
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path = null;
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}
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}
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},
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onMouseUp: function(event) {
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if (path) {
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path.add(event.point);
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path.closed = true;
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path.smooth();
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// Set path to null (nothing) so the path check above
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// will force a new path next time the user drags fast enough:
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path = null;
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}
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}
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});
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tool.document = doc;
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tool.maxDistance = 20;
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}
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</script>
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</head>
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<body>
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<canvas id='canvas' width=1024 height=768></canvas>
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</body> |