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* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
* http://paperjs.org/
*
* Copyright (c) 2011 - 2020, Jürg Lehni & Jonathan Puckey
* http://juerglehni.com/ & https://puckey.studio/
*
* Distributed under the MIT license. See LICENSE file for details.
*
* All rights reserved.
*/
// TODO: remove eslint-disable comment and deal with errors over time
/* eslint-disable */
import { ref } from '~/globals';
import { Point } from '~/basic/Point';
import { Numerical } from '~/util/Numerical';
import { SegmentSelection } from './SegmentSelection';
/**
* @name SegmentPoint
* @class An internal version of Point that notifies its segment of each change
*
* @private
*/
export const SegmentPoint = Point.extend({
initialize: function SegmentPoint(point, owner, key) {
var x, y, selected;
if (!point) {
x = y = 0;
} else if ((x = point[0]) !== undefined) {
// Array-like
y = point[1];
} else {
// So we don't have to modify the point argument which would cause
// deoptimization:
var pt = point;
// If not Point-like already, read Point from arguments
if ((x = pt.x) === undefined) {
pt = Point.read(arguments);
x = pt.x;
}
y = pt.y;
selected = pt.selected;
}
this._x = x;
this._y = y;
this._owner = owner;
owner[key] = this;
// We need to call #setSelected(true) after setting property on the
// owner that references this point.
if (selected) this.setSelected(true);
},
// See Point#_set() for an explanation of #_set():
_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);
},
isZero: function () {
var isZero = Numerical.isZero;
// Provide our own version of Point#isZero() that does not use the x / y
// accessors but the internal properties directly, for performance
// reasons, since it is used a lot internally.
return isZero(this._x) && isZero(this._y);
},
isSelected: function () {
return !!(this._owner._selection & this._getSelection());
},
setSelected: function (selected) {
this._owner._changeSelection(this._getSelection(), selected);
},
_getSelection: function () {
var owner = this._owner;
return this === owner._point
? /*#=*/ SegmentSelection.POINT
: this === owner._handleIn
? /*#=*/ SegmentSelection.HANDLE_IN
: this === owner._handleOut
? /*#=*/ SegmentSelection.HANDLE_OUT
: 0;
},
});
ref.SegmentPoint = SegmentPoint;
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