| OLD | NEW |
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| 1 <!DOCTYPE html> | 1 <!DOCTYPE html> |
| 2 <!-- | 2 <!-- |
| 3 Copyright 2016 The Chromium Authors. All rights reserved. | 3 Copyright 2016 The Chromium Authors. All rights reserved. |
| 4 Use of this source code is governed by a BSD-style license that can be | 4 Use of this source code is governed by a BSD-style license that can be |
| 5 found in the LICENSE file. | 5 found in the LICENSE file. |
| 6 --> | 6 --> |
| 7 | 7 |
| 8 <link rel="import" href="/tracing/base/color.html"> | 8 <link rel="import" href="/tracing/base/color.html"> |
| 9 <link rel="import" href="/tracing/base/iteration_helpers.html"> | 9 <link rel="import" href="/tracing/base/iteration_helpers.html"> |
| 10 <link rel="import" href="/tracing/base/math.html"> | 10 <link rel="import" href="/tracing/base/math/math.html"> |
| 11 | 11 |
| 12 <script> | 12 <script> |
| 13 'use strict'; | 13 'use strict'; |
| 14 tr.exportTo('tr.b', function() { | 14 tr.exportTo('tr.b', function() { |
| 15 /** | 15 /** |
| 16 * Generate pretty colors! | 16 * Generate pretty colors! |
| 17 * http://basecase.org/env/on-rainbows | 17 * http://basecase.org/env/on-rainbows |
| 18 * https://mycarta.wordpress.com/2012/10/06/the-rainbow-is-deadlong-live-the-r
ainbow-part-3/ | 18 * https://mycarta.wordpress.com/2012/10/06/the-rainbow-is-deadlong-live-the-r
ainbow-part-3/ |
| 19 * | 19 * |
| 20 * Set brightness = 0 to always generate black. | 20 * Set brightness = 0 to always generate black. |
| (...skipping 47 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 68 SinebowColorGenerator.nthColor = function(n) { | 68 SinebowColorGenerator.nthColor = function(n) { |
| 69 return SinebowColorGenerator.sinebow_(n * this.PHI); | 69 return SinebowColorGenerator.sinebow_(n * this.PHI); |
| 70 }; | 70 }; |
| 71 | 71 |
| 72 SinebowColorGenerator.calculateColor = function(r, g, b, a, brightness) { | 72 SinebowColorGenerator.calculateColor = function(r, g, b, a, brightness) { |
| 73 if (brightness <= 1) { | 73 if (brightness <= 1) { |
| 74 r *= brightness; | 74 r *= brightness; |
| 75 g *= brightness; | 75 g *= brightness; |
| 76 b *= brightness; | 76 b *= brightness; |
| 77 } else { | 77 } else { |
| 78 r = tr.b.lerp(tr.b.normalize(brightness, 1, 2), r, 255); | 78 r = tr.b.math.lerp(tr.b.math.normalize(brightness, 1, 2), r, 255); |
| 79 g = tr.b.lerp(tr.b.normalize(brightness, 1, 2), g, 255); | 79 g = tr.b.math.lerp(tr.b.math.normalize(brightness, 1, 2), g, 255); |
| 80 b = tr.b.lerp(tr.b.normalize(brightness, 1, 2), b, 255); | 80 b = tr.b.math.lerp(tr.b.math.normalize(brightness, 1, 2), b, 255); |
| 81 } | 81 } |
| 82 r = Math.round(r); | 82 r = Math.round(r); |
| 83 g = Math.round(g); | 83 g = Math.round(g); |
| 84 b = Math.round(b); | 84 b = Math.round(b); |
| 85 return 'rgba(' + r + ',' + g + ',' + b + ', ' + a + ')'; | 85 return 'rgba(' + r + ',' + g + ',' + b + ', ' + a + ')'; |
| 86 }; | 86 }; |
| 87 | 87 |
| 88 return { | 88 return { |
| 89 SinebowColorGenerator, | 89 SinebowColorGenerator, |
| 90 }; | 90 }; |
| 91 }); | 91 }); |
| 92 </script> | 92 </script> |
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Chromium Code Reviews
Issue 2771723003:
[tracing] Move math utilities from base into their own subdirectory (attempt 2) (Closed)
