| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <link rel="import" href="/tracing/base/color.html"> |
| <script> |
| 'use strict'; |
| |
| tr.b.unittest.testSuite(function() { |
| test('fromRGB', function() { |
| var c = tr.b.Color.fromString('rgb(1, 2, 3)'); |
| assert.equal(c.r, 1); |
| assert.equal(c.g, 2); |
| assert.equal(c.b, 3); |
| assert.isUndefined(c.a); |
| }); |
| |
| test('fromRGBA', function() { |
| var c = tr.b.Color.fromString('rgba(1, 2, 3, 0.5)'); |
| assert.equal(c.r, 1); |
| assert.equal(c.g, 2); |
| assert.equal(c.b, 3); |
| assert.equal(c.a, 0.5); |
| }); |
| |
| test('fromHex', function() { |
| var c = tr.b.Color.fromString('#010203'); |
| assert.equal(c.r, 1); |
| assert.equal(c.g, 2); |
| assert.equal(c.b, 3); |
| assert.isUndefined(c.a); |
| }); |
| |
| test('toStringRGB', function() { |
| var c = new tr.b.Color(1, 2, 3); |
| assert.equal(c.toString(), 'rgb(1,2,3)'); |
| }); |
| |
| test('toStringRGBA', function() { |
| var c = new tr.b.Color(1, 2, 3, 0.5); |
| assert.equal(c.toString(), 'rgba(1,2,3,0.5)'); |
| }); |
| |
| test('lerpRGB', function() { |
| var a = new tr.b.Color(0, 127, 191); |
| var b = new tr.b.Color(255, 255, 255); |
| var x = tr.b.Color.lerpRGB(a, b, 0.25); |
| assert.equal(x.r, 63); |
| assert.equal(x.g, 159); |
| assert.equal(x.b, 207); |
| }); |
| |
| test('lerpRGBA', function() { |
| var a = new tr.b.Color(0, 127, 191, 0.5); |
| var b = new tr.b.Color(255, 255, 255, 1); |
| var x = tr.b.Color.lerpRGBA(a, b, 0.25); |
| assert.equal(x.r, 63); |
| assert.equal(x.g, 159); |
| assert.equal(x.b, 207); |
| assert.equal(x.a, 0.625); |
| }); |
| |
| test('blendRGBA', function() { |
| var red = new tr.b.Color(255, 0, 0, 0.5); |
| var white = new tr.b.Color(255, 255, 255, 1); |
| var x = red.blendOver(white); |
| assert.equal(x.r, 255); |
| assert.equal(x.g, 127); |
| assert.equal(x.b, 127); |
| assert.equal(x.a, 1); |
| }); |
| |
| test('fromHSL', function() { |
| var reddish = tr.b.Color.fromHSLExplicit(.994, 0.644, .484, 0.8); |
| assert.equal(reddish.r, 202); |
| assert.equal(reddish.g, 43); |
| assert.equal(reddish.b, 49); |
| assert.equal(reddish.a, 0.8); |
| |
| var gray = tr.b.Color.fromHSLExplicit(0, 0, .50, 1.0); |
| assert.equal(gray.r, 127); |
| assert.equal(gray.g, 127); |
| assert.equal(gray.b, 127); |
| assert.equal(gray.a, 1.0); |
| }); |
| |
| test('toHSL', function() { |
| var reddish = new tr.b.Color(203, 44, 49, 0.8).toHSL(); |
| assert.closeTo(reddish.h, .994, 0.01); |
| assert.closeTo(reddish.s, 0.644, 0.01); |
| assert.closeTo(reddish.l, 0.484, 0.01); |
| assert.equal(reddish.a, 0.8); |
| |
| var gray = new tr.b.Color(128, 128, 128, 1.0).toHSL(); |
| assert.equal(gray.h, 0); |
| assert.equal(gray.s, 0); |
| assert.closeTo(gray.l, .50, 0.01); |
| assert.equal(gray.a, 1.0); |
| }); |
| |
| }); |
| </script> |
