mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-09 06:12:34 -05:00
132 lines
3.2 KiB
JavaScript
132 lines
3.2 KiB
JavaScript
/*
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* Paper.js
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*
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* This file is part of Paper.js, a JavaScript Vector Graphics Library,
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* based on Scriptographer.org and designed to be largely API compatible.
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* http://scriptographer.org/
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*
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* Copyright (c) 2011, Juerg Lehni & Jonathan Puckey
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* http://lehni.org/ & http://jonathanpuckey.com/
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*
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* All rights reserved. See LICENSE file for details.
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*/
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var Size = this.Size = Base.extend({
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initialize: function(arg0, arg1) {
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if (arguments.length == 2) {
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this.width = arg0;
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this.height = arg1;
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} else if (arguments.length == 1) {
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if (arg0 == null) {
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this.width = this.height = 0;
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} else if (arg0.width !== undefined) {
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this.width = arg0.width;
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this.height = arg0.height;
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} else if (arg0.x !== undefined) {
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this.width = arg0.x;
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this.height = arg0.y;
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} else if (Array.isArray(arg0)) {
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this.width = arg0[0];
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this.height = arg0.length > 1 ? arg0[1] : arg0[0];
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} else if (typeof arg0 === 'number') {
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this.width = this.height = arg0;
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} else {
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this.width = this.height = 0;
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}
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} else {
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this.width = this.height = 0;
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}
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},
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set: function(width, height) {
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this.width = width;
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this.height = height;
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return this;
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},
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add: function() {
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var size = Size.read(arguments);
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return Size.create(this.width + size.width, this.height + size.height);
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},
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subtract: function() {
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var size = Size.read(arguments);
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return Size.create(this.width - size.width, this.height - size.height);
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},
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multiply: function() {
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var size = Size.read(arguments);
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return Size.create(this.width * size.width, this.height * size.height);
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},
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divide: function() {
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var size = Size.read(arguments);
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return Size.create(this.width / size.width, this.height / size.height);
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},
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modulo: function() {
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var size = Size.read(arguments);
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return Size.create(this.width % size.width, this.height % size.height);
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},
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negate: function() {
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return Size.create(-this.width, -this.height);
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},
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equals: function() {
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var size = Size.read(arguments);
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return this.width == size.width && this.height == size.height;
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},
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isNaN: function() {
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return isNaN(this.width) || isNaN(this.height);
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},
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round: function() {
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return Size.create(Math.round(this.width), Math.round(this.height));
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},
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ceil: function() {
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return Size.create(Math.ceil(this.width), Math.ceil(this.height));
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},
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floor: function() {
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return Size.create(Math.floor(this.width), Math.floor(this.height));
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},
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abs: function() {
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return Size.create(Math.abs(this.width), Math.abs(this.height));
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},
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dot: function() {
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var size = Size.read(arguments);
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return this.width * size.width + this.height * size.height;
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},
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toString: function() {
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return '{ x: ' + this.width + ', y: ' + this.height + ' }';
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},
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statics: {
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// See Point.create()
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create: function(width, height) {
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return new Size(Size.dont).set(width, height);
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},
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min: function(Size1, Size2) {
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return Size.create(
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Math.min(Size1.width, Size2.width),
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Math.min(Size1.height, Size2.height));
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},
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max: function(Size1, Size2) {
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return Size.create(
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Math.max(Size1.width, Size2.width),
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Math.max(Size1.height, Size2.height));
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},
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random: function() {
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return Size.create(Math.random(), Math.random());
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}
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}
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});
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