diff options
Diffstat (limited to 'chromium/third_party/trace-viewer/src/base/color.js')
-rw-r--r-- | chromium/third_party/trace-viewer/src/base/color.js | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/chromium/third_party/trace-viewer/src/base/color.js b/chromium/third_party/trace-viewer/src/base/color.js deleted file mode 100644 index 199e725b4e9..00000000000 --- a/chromium/third_party/trace-viewer/src/base/color.js +++ /dev/null @@ -1,118 +0,0 @@ -// Copyright (c) 2012 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. - -'use strict'; - -base.exportTo('base', function() { - function Color(opt_r, opt_g, opt_b, opt_a) { - this.r = Math.floor(opt_r) || 0; - this.g = Math.floor(opt_g) || 0; - this.b = Math.floor(opt_b) || 0; - this.a = opt_a; - } - - Color.fromString = function(str) { - var tmp; - var values; - if (str.substr(0, 4) == 'rgb(') { - tmp = str.substr(4, str.length - 5); - values = tmp.split(',').map(function(v) { - return v.replace(/^\s+/, '', 'g'); - }); - if (values.length != 3) - throw new Error('Malformatted rgb-expression'); - return new Color( - parseInt(values[0]), - parseInt(values[1]), - parseInt(values[2])); - } else if (str.substr(0, 5) == 'rgba(') { - tmp = str.substr(5, str.length - 6); - values = tmp.split(',').map(function(v) { - return v.replace(/^\s+/, '', 'g'); - }); - if (values.length != 4) - throw new Error('Malformatted rgb-expression'); - return new Color( - parseInt(values[0]), - parseInt(values[1]), - parseInt(values[2]), - parseFloat(values[3])); - } else if (str[0] == '#' && str.length == 7) { - return new Color( - parseInt(str.substr(1, 2), 16), - parseInt(str.substr(3, 2), 16), - parseInt(str.substr(5, 2), 16)); - } else { - throw new Error('Unrecognized string format.'); - } - }; - - Color.lerp = function(a, b, percent) { - if (a.a !== undefined && b.a !== undefined) - return Color.lerpRGBA(a, b, percent); - return Color.lerpRGB(a, b, percent); - } - Color.lerpRGB = function(a, b, percent) { - return new Color( - ((b.r - a.r) * percent) + a.r, - ((b.g - a.g) * percent) + a.g, - ((b.b - a.b) * percent) + a.b); - } - - Color.lerpRGBA = function(a, b, percent) { - return new Color( - ((b.r - a.r) * percent) + a.r, - ((b.g - a.g) * percent) + a.g, - ((b.b - a.b) * percent) + a.b, - ((b.a - a.a) * percent) + a.a); - } - - Color.prototype = { - clone: function() { - var c = new Color(); - c.r = this.r; - c.g = this.g; - c.b = this.b; - c.a = this.a; - return c; - }, - - brighten: function(opt_k) { - var k; - k = opt_k || 0.45; - - return new Color( - Math.min(255, this.r + Math.floor(this.r * k)), - Math.min(255, this.g + Math.floor(this.g * k)), - Math.min(255, this.b + Math.floor(this.b * k))); - }, - - darken: function(opt_k) { - var k; - k = opt_k || 0.45; - - return new Color( - Math.min(255, this.r - Math.floor(this.r * k)), - Math.min(255, this.g - Math.floor(this.g * k)), - Math.min(255, this.b - Math.floor(this.b * k))); - }, - - withAlpha: function(a) { - return new Color(this.r, this.g, this.b, a); - }, - - toString: function() { - if (this.a !== undefined) { - return 'rgba(' + - this.r + ',' + this.g + ',' + - this.b + ',' + this.a + ')'; - } - return 'rgb(' + this.r + ',' + this.g + ',' + this.b + ')'; - } - }; - - return { - Color: Color - }; -}); |