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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_THUMBNAILS_CONTENT_BASED_THUMBNAILING_ALGORITHM_H_ | 5 #ifndef CHROME_BROWSER_THUMBNAILS_CONTENT_BASED_THUMBNAILING_ALGORITHM_H_ |
| 6 #define CHROME_BROWSER_THUMBNAILS_CONTENT_BASED_THUMBNAILING_ALGORITHM_H_ | 6 #define CHROME_BROWSER_THUMBNAILS_CONTENT_BASED_THUMBNAILING_ALGORITHM_H_ |
| 7 | 7 |
| 8 #include "base/macros.h" |
| 8 #include "chrome/browser/thumbnails/thumbnailing_algorithm.h" | 9 #include "chrome/browser/thumbnails/thumbnailing_algorithm.h" |
| 9 | 10 |
| 10 namespace thumbnails { | 11 namespace thumbnails { |
| 11 | 12 |
| 12 // Encapsulates a method of creating a thumbnail from a captured tab shot which | 13 // Encapsulates a method of creating a thumbnail from a captured tab shot which |
| 13 // attempts to preserve only relevant fragments of the original image. | 14 // attempts to preserve only relevant fragments of the original image. |
| 14 // The algorithm detects areas of high activity at low resolution and discards | 15 // The algorithm detects areas of high activity at low resolution and discards |
| 15 // rows and columns which do not intersect with these areas. | 16 // rows and columns which do not intersect with these areas. |
| 16 class ContentBasedThumbnailingAlgorithm : public ThumbnailingAlgorithm { | 17 class ContentBasedThumbnailingAlgorithm : public ThumbnailingAlgorithm { |
| 17 public: | 18 public: |
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| 52 ClipResult* clip_result); | 53 ClipResult* clip_result); |
| 53 | 54 |
| 54 const gfx::Size target_size_; | 55 const gfx::Size target_size_; |
| 55 | 56 |
| 56 DISALLOW_COPY_AND_ASSIGN(ContentBasedThumbnailingAlgorithm); | 57 DISALLOW_COPY_AND_ASSIGN(ContentBasedThumbnailingAlgorithm); |
| 57 }; | 58 }; |
| 58 | 59 |
| 59 } // namespace thumbnails | 60 } // namespace thumbnails |
| 60 | 61 |
| 61 #endif // CHROME_BROWSER_THUMBNAILS_CONTENT_BASED_THUMBNAILING_ALGORITHM_H_ | 62 #endif // CHROME_BROWSER_THUMBNAILS_CONTENT_BASED_THUMBNAILING_ALGORITHM_H_ |
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