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Item: implement getStrokeBounds, move getBounds functionality into _getBounds with an includeStroke flag. Also simplify the _getBounds code.

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This commit is contained in:
Jonathan Puckey 2011-04-28 12:33:03 +02:00
parent 32f04f6162
commit eed054af17
1 changed files with 20 additions and 11 deletions
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31
src/item/Item.js
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@ -428,20 +428,29 @@ var Item = this.Item = Base.extend({
}
return false;
},
getStrokeBounds: function() {
return this._getBounds(true);
},
getBounds: function() {
if (this.children && this.children.length) {
var rect = this.children[0].getBounds(),
x1 = rect.x,
y1 = rect.y,
x2 = rect.x + rect.width,
y2 = rect.y + rect.height;
for (var i = 1, l = this.children.length; i < l; i++) {
rect = this.children[i].getBounds();
return this._getBounds(false);
},
_getBounds: function(includeStroke) {
var children = this.children;
if (children && children.length) {
var x1, x2;
var y1 = x1 = Infinity;
var y2 = x2 = -Infinity;
for (var i = 0, l = children.length; i < l; i++) {
var child = this.children[i],
rect = includeStroke ? child.getStrokeBounds()
: child.getBounds();
x1 = Math.min(rect.x, x1);
y1 = Math.min(rect.y, y1);
x2 = Math.max(rect.x + rect.width, x1 + x2 - x1);
y2 = Math.max(rect.y + rect.height, y1 + y2 - y1);
x2 = Math.max(rect.x + rect.width, x2);
y2 = Math.max(rect.y + rect.height, y2);
}
return LinkedRectangle.create(this, 'setBounds',
x1, y1, x2 - x1, y2 - y1);