scratchfoundation/paper.js
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Make PathItem#getBounds() work for closed paths too.

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This commit is contained in:
Jürg Lehni 2011-02-13 15:51:54 +00:00
parent d59d514a55
commit 71d1ff3cb3
1 changed files with 8 additions and 5 deletions
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13
src/path/PathItem.js
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@ -68,10 +68,10 @@ PathItem = Item.extend(new function() {
getBounds: function() { getBounds: function() {
var segments = this._segments; var segments = this._segments;
var prev = segments[0]; var first = segments[0];
if (!prev) if (!first)
return null; return null;
var p0 = prev.point; var p0 = first.point, prev = first;
var min = { var min = {
x: p0.x, x: p0.x,
y: p0.y y: p0.y
@ -81,8 +81,7 @@ PathItem = Item.extend(new function() {
y: p0.y y: p0.y
} }
var coords = ['x', 'y']; var coords = ['x', 'y'];
for (var i = 1, l = segments.length; i < l; i++) { function processSegment(segment) {
var segment = segments[i];
var p1 = p0.add(prev.handleOut); var p1 = p0.add(prev.handleOut);
var p3 = segment.point; var p3 = segment.point;
var p2 = p3.add(segment.handleIn); var p2 = p3.add(segment.handleIn);
@ -132,6 +131,10 @@ PathItem = Item.extend(new function() {
p0 = p3; p0 = p3;
prev = segment; prev = segment;
} }
for (var i = 1, l = segments.length; i < l; i++)
processSegment(segments[i]);
if (this.closed)
processSegment(first);
return new Rectangle(min.x, min.y, max.x - min.x , max.y - min.y); return new Rectangle(min.x, min.y, max.x - min.x , max.y - min.y);
}, },