/* * Paper.js - The Swiss Army Knife of Vector Graphics Scripting. * http://paperjs.org/ * * Copyright (c) 2011 - 2013, Juerg Lehni & Jonathan Puckey * http://lehni.org/ & http://jonathanpuckey.com/ * * Distributed under the MIT license. See LICENSE file for details. * * All rights reserved. */ module('Matrix'); test('getRotation()', function() { equals(function() { return new Matrix().rotate(45).getRotation(); }, 45); equals(function() { return new Matrix().rotate(90).getRotation(); }, 90); equals(function() { return new Matrix().rotate(180).getRotation(); }, 180); equals(function() { return new Matrix().rotate(270).getRotation(); }, -90, null, Numerical.TOLERANCE); equals(function() { return new Matrix().rotate(-45).getRotation(); }, -45); equals(function() { return new Matrix().rotate(-90).getRotation(); }, -90); equals(function() { return new Matrix().rotate(-180).getRotation(); }, -180); equals(function() { return new Matrix().rotate(-270).getRotation(); }, 90, null, Numerical.TOLERANCE); }); test('getScaling()', function() { equals(function() { return new Matrix().scale(1, 1).getScaling(); }, new Point(1, 1)); equals(function() { return new Matrix().scale(1, -1).getScaling(); }, new Point(1, -1)); equals(function() { return new Matrix().scale(-1, 1).getScaling(); }, new Point(-1, 1)); equals(function() { return new Matrix().scale(2, -4).getScaling(); }, new Point(2, -4)); equals(function() { return new Matrix().scale(-4, 2).getScaling(); }, new Point(-4, 2)); equals(function() { return new Matrix().scale(-4, -4).getScaling(); }, new Point(-4, -4)); }); test('getRotation() & getScaling()', function() { equals(function() { return new Matrix().scale(2, 4).rotate(45).getScaling(); }, new Point(2, 4)); equals(function() { return new Matrix().scale(2, 4).rotate(45).getRotation(); }, 45); equals(function() { return new Matrix().scale(2, -4).rotate(45).getScaling(); }, new Point(2, -4)); equals(function() { return new Matrix().scale(2, -4).rotate(45).getRotation(); }, 45); });