paper.js/src/item/Group.js
2011-05-07 09:56:27 +01:00

62 lines
1.4 KiB
JavaScript

/*
* Paper.js
*
* This file is part of Paper.js, a JavaScript Vector Graphics Library,
* based on Scriptographer.org and designed to be largely API compatible.
* http://paperjs.org/
* http://scriptographer.org/
*
* Distributed under the MIT license. See LICENSE file for details.
*
* Copyright (c) 2011, Juerg Lehni & Jonathan Puckey
* http://lehni.org/ & http://jonathanpuckey.com/
*
* All rights reserved.
*/
var Group = this.Group = Item.extend({
beans: true,
initialize: function(items) {
this.base();
this.children = [];
if (items) {
for (var i = 0, l = items.length; i < l; i++) {
this.appendTop(items[i]);
}
}
this._clipped = false;
},
/**
* Specifies whether the group item is to be clipped.
* When setting to true, the first child in the group is automatically
* defined as the clipping mask.
*
* Sample code:
* <code>
* var group = new Group();
* group.appendChild(path);
* group.clipped = true;
* </code>
* @return {@true if the group item is to be clipped}
*/
isClipped: function() {
return this._clipped;
},
setClipped: function(clipped) {
this._clipped = clipped;
var child = this.getFirstChild();
if (child)
child.setClipMask(clipped);
},
draw: function(ctx, param) {
for (var i = 0, l = this.children.length; i < l; i++) {
Item.draw(this.children[i], ctx, param);
if (this._clipped && i == 0)
ctx.clip();
}
}
});