mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-09 22:32:48 -05:00
55 lines
1.4 KiB
JavaScript
55 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.
|
|
*/
|
|
|
|
/**
|
|
* Define internal PaperScope class that handles all the fields available on the
|
|
* global paper object, which simply is a pointer to the currently active scope.
|
|
*/
|
|
var PaperScope = this.PaperScope = Base.extend({
|
|
initialize: function(id) {
|
|
this.document = null;
|
|
this.documents = [];
|
|
this.tools = [];
|
|
this.id = id;
|
|
},
|
|
|
|
/**
|
|
* Installs the paper scope into any other given scope. Can be used for
|
|
* examle to inject the currently active PaperScope into the window's global
|
|
* scope, to emulate PaperScript-style globally accessible Paper classes:
|
|
*
|
|
* paper.install(window);
|
|
*/
|
|
install: function(scope) {
|
|
// Use scope as side-car (= 'this' inside iterator), and have it
|
|
// returned at the end.
|
|
return Base.each(this, function(value, key) {
|
|
this[key] = value;
|
|
}, scope);
|
|
},
|
|
|
|
// Methods for setting and restoring paper scopes:
|
|
statics: {
|
|
set: function(scope) {
|
|
this.previous = paper;
|
|
paper = scope;
|
|
},
|
|
|
|
restore: function() {
|
|
paper = this.previous;
|
|
}
|
|
}
|
|
});
|