paper.js/src/path/SegmentPoint.js

83 lines
1.7 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.
*/
/**
* @name SegmentPoint
* @class An internal version of Point that notifies its segment of each change
* Note: This prototype is not exported.
*
* @private
*/
var SegmentPoint = Point.extend({
set: function(x, y) {
this._x = x;
this._y = y;
this._owner._changed(this);
return this;
},
getX: function() {
return this._x;
},
setX: function(x) {
this._x = x;
this._owner._changed(this);
},
getY: function() {
return this._y;
},
setY: function(y) {
this._y = y;
this._owner._changed(this);
},
setSelected: function(selected) {
this._owner._setSelected(this, selected);
},
isSelected: function() {
return this._owner._isSelected(this);
},
statics: {
create: function(segment, key, pt) {
var point = new SegmentPoint(SegmentPoint.dont),
x, y, selected;
if (!pt) {
x = y = 0;
} else if (pt.x !== undefined) {
x = pt.x;
y = pt.y;
selected = pt.selected;
} else {
x = pt[0];
y = pt[1];
}
point._x = x;
point._y = y;
point._owner = segment;
// We need to set the point on the segment before copying over the
// selected state, as otherwise this won't actually select it.
segment[key] = point;
if (selected)
point.setSelected(true);
return point;
}
}
});