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Examples: Add simple BezierTool example.

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Jonathan Puckey 2011-02-27 17:16:42 +01:00
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commit 196f89d9a7
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Example</title>
<script type="text/javascript" src="../../lib/Bootstrap.js"></script>
<script type="text/javascript" src="../../src/Paper.js"></script>
<script type="text/javascript" src="../../src/tool/ToolEvent.js"></script>
<script type="text/javascript" src="../../src/tool/ToolHandler.js"></script>
<script type="text/javascript" src="../../src/tool/Tool.js"></script>
<script type="text/javascript" src="../../src/basic/Point.js"></script>
<script type="text/javascript" src="../../src/basic/Rectangle.js"></script>
<script type="text/javascript" src="../../src/basic/Size.js"></script>
<script type="text/javascript" src="../../src/basic/Matrix.js"></script>
<script type="text/javascript" src="../../src/document/Doc.js"></script>
<script type="text/javascript" src="../../src/document/Symbol.js"></script>
<script type="text/javascript" src="../../src/item/Item.js"></script>
<script type="text/javascript" src="../../src/item/PlacedSymbol.js"></script>
<script type="text/javascript" src="../../src/item/Group.js"></script>
<script type="text/javascript" src="../../src/item/Layer.js"></script>
<script type="text/javascript" src="../../src/item/PathStyle.js"></script>
<script type="text/javascript" src="../../src/path/Segment.js"></script>
<script type="text/javascript" src="../../src/path/PathItem.js"></script>
<script type="text/javascript" src="../../src/path/Path.js"></script>
<script type="text/javascript" src="../../src/path/Path.Constructors.js"></script>
<script type="text/javascript" src="../../src/color/Color.js"></script>
<script type="text/javascript" src="../../src/color/RGBColor.js"></script>
<script type="text/javascript" src="../../src/color/GrayColor.js"></script>
<script type="text/javascript" src="../../src/color/GradientColor.js"></script>
<script type="text/javascript" src="../../src/color/Gradient.js"></script>
<script type="text/javascript" src="../../src/color/GradientStop.js"></script>
<script>
window.onload = function() {
var canvas = document.getElementById('canvas');
var doc = new Doc(canvas);
doc.currentStyle = {
strokeColor: '#4f7aff',
strokeWidth: 1
};
var path = new Path();
path.style = {
strokeColor: 'black',
strokeWidth: 1
};
var currentSegment;
var inLine = new Path([0, 0], [0, 0]);
var outLine = new Path([0, 0], [0, 0]);
var lastInLine = new Path([0, 0], [0, 0]);
lastInLine.visible = false;
var rect = new Path.Rectangle([0.5, 0.5], [4, 4]);
rect.fillColor = 'white';
var rectSymbol = new Symbol(rect);
var inRect = new PlacedSymbol(rectSymbol);
var outRect = new PlacedSymbol(rectSymbol);
var circle = new Path.Circle(0, 2);
circle.fillColor = '#4f7aff';
circle.strokeColor = null;
var circleSymbol = new Symbol(circle);
var inCircle = new PlacedSymbol(circleSymbol);
var outCircle = new PlacedSymbol(circleSymbol);
var lastInCircle = new PlacedSymbol(circleSymbol);
var curRect;
var tool = new Tool({
onMouseDown: function(event) {
if(event.count > 0) {
var first = lastInLine.segments.first;
first.point = inLine.segments.first.point;
var last = lastInLine.segments.last;
last.point = inLine.segments.last.point;
lastInLine.visible = true;
lastInCircle.position = last.point;
}
currentSegment = path.add(event.point);
inLine.segments.first.point = event.point;
outLine.segments.first.point = event.point;
inLine.segments.last.point = event.point;
outLine.segments.last.point = event.point;
inLine.visible = true;
outLine.visible = true;
outCircle.position = event.point.round().add(0.5, 0.5);
inCircle.position = event.point.round().add(0.5, 0.5);
var rect = new PlacedSymbol(rectSymbol);
rect.position = event.point.round().add(0.5, 0.5);
curRect = new Path.Rectangle([0.5, 0.5], [4, 4]);
curRect.position = event.point.round();
curRect.fillColor = '#4f7aff';
curRect.strokeWidth = 0;
},
onMouseDrag: function(event) {
var delta = event.point.subtract(event.downPoint);
currentSegment.handleOut = delta;
currentSegment.handleIn = delta.multiply(-1);
outLine.segments.last.point = currentSegment.handleIn.add(event.downPoint);
inLine.segments.last.point = currentSegment.handleOut.add(event.downPoint);
outCircle.position = outLine.segments.last.point;
inCircle.position = inLine.segments.last.point;
},
onMouseUp: function(event) {
curRect.remove();
}
});
}
</script>
</head>
<body>
Click and drag to draw a path:
<canvas id='canvas' width=1024 height=768></canvas>
</body>