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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 UI_GFX_COLOR_ANALYSIS_H_ | 5 #ifndef UI_GFX_COLOR_ANALYSIS_H_ |
6 #define UI_GFX_COLOR_ANALYSIS_H_ | 6 #define UI_GFX_COLOR_ANALYSIS_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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35 KMeanImageSampler(); | 35 KMeanImageSampler(); |
36 virtual ~KMeanImageSampler(); | 36 virtual ~KMeanImageSampler(); |
37 }; | 37 }; |
38 | 38 |
39 // This sampler will pick pixels from an evenly spaced grid. | 39 // This sampler will pick pixels from an evenly spaced grid. |
40 class GFX_EXPORT GridSampler : public KMeanImageSampler { | 40 class GFX_EXPORT GridSampler : public KMeanImageSampler { |
41 public: | 41 public: |
42 GridSampler(); | 42 GridSampler(); |
43 virtual ~GridSampler(); | 43 virtual ~GridSampler(); |
44 | 44 |
45 virtual int GetSample(int width, int height) OVERRIDE; | 45 virtual int GetSample(int width, int height) override; |
46 | 46 |
47 private: | 47 private: |
48 // The number of times GetSample has been called. | 48 // The number of times GetSample has been called. |
49 int calls_; | 49 int calls_; |
50 }; | 50 }; |
51 | 51 |
52 // Returns the color in an ARGB |image| that is closest in RGB-space to the | 52 // Returns the color in an ARGB |image| that is closest in RGB-space to the |
53 // provided |color|. Exported for testing. | 53 // provided |color|. Exported for testing. |
54 GFX_EXPORT SkColor FindClosestColor(const uint8_t* image, int width, int height, | 54 GFX_EXPORT SkColor FindClosestColor(const uint8_t* image, int width, int height, |
55 SkColor color); | 55 SkColor color); |
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126 // initialized to the required size and type (SkBitmap::kA8_Config). | 126 // initialized to the required size and type (SkBitmap::kA8_Config). |
127 // Returns true if the conversion succeeded. Note that there might be legitimate | 127 // Returns true if the conversion succeeded. Note that there might be legitimate |
128 // reasons for the process to fail even if all input was correct. This is a | 128 // reasons for the process to fail even if all input was correct. This is a |
129 // condition the caller must be able to handle. | 129 // condition the caller must be able to handle. |
130 GFX_EXPORT bool ComputePrincipalComponentImage(const SkBitmap& source_bitmap, | 130 GFX_EXPORT bool ComputePrincipalComponentImage(const SkBitmap& source_bitmap, |
131 SkBitmap* target_bitmap); | 131 SkBitmap* target_bitmap); |
132 | 132 |
133 } // namespace color_utils | 133 } // namespace color_utils |
134 | 134 |
135 #endif // UI_GFX_COLOR_ANALYSIS_H_ | 135 #endif // UI_GFX_COLOR_ANALYSIS_H_ |
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