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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_SKIA_UTIL_H_ | 5 #ifndef UI_GFX_SKIA_UTIL_H_ |
| 6 #define UI_GFX_SKIA_UTIL_H_ | 6 #define UI_GFX_SKIA_UTIL_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 // Convert between Skia and gfx rect types. | 28 // Convert between Skia and gfx rect types. |
| 29 GFX_EXPORT SkRect RectToSkRect(const Rect& rect); | 29 GFX_EXPORT SkRect RectToSkRect(const Rect& rect); |
| 30 GFX_EXPORT SkIRect RectToSkIRect(const Rect& rect); | 30 GFX_EXPORT SkIRect RectToSkIRect(const Rect& rect); |
| 31 GFX_EXPORT Rect SkIRectToRect(const SkIRect& rect); | 31 GFX_EXPORT Rect SkIRectToRect(const SkIRect& rect); |
| 32 GFX_EXPORT SkRect RectFToSkRect(const RectF& rect); | 32 GFX_EXPORT SkRect RectFToSkRect(const RectF& rect); |
| 33 GFX_EXPORT RectF SkRectToRectF(const SkRect& rect); | 33 GFX_EXPORT RectF SkRectToRectF(const SkRect& rect); |
| 34 | 34 |
| 35 GFX_EXPORT void TransformToFlattenedSkMatrix(const gfx::Transform& transform, | 35 GFX_EXPORT void TransformToFlattenedSkMatrix(const gfx::Transform& transform, |
| 36 SkMatrix* flattened); | 36 SkMatrix* flattened); |
| 37 | 37 |
| 38 // Creates a bitmap shader for the image rep with the image rep's scale factor. | |
| 39 // Sets the created shader's local matrix such that it displays the image rep at | |
| 40 // the correct scale factor. | |
| 41 // The shader's local matrix should not be changed after the shader is created. | |
| 42 // TODO(pkotwicz): Allow shader's local matrix to be changed after the shader | |
| 43 // is created. | |
| 44 // | |
| 45 GFX_EXPORT skia::RefPtr<SkShader> CreateImageRepShader( | |
| 46 const gfx::ImageSkiaRep& image_rep, | |
| 47 SkShader::TileMode tile_mode, | |
| 48 const SkMatrix& local_matrix); | |
| 49 | |
| 50 // Creates a bitmap shader for the image rep with the passed in scale factor. | |
| 51 GFX_EXPORT skia::RefPtr<SkShader> CreateImageRepShaderForScale( | |
| 52 const gfx::ImageSkiaRep& image_rep, | |
| 53 SkShader::TileMode tile_mode, | |
| 54 const SkMatrix& local_matrix, | |
| 55 SkScalar scale); | |
| 56 | |
| 57 // Creates a vertical gradient shader. The caller owns the shader. | 38 // Creates a vertical gradient shader. The caller owns the shader. |
| 58 // Example usage to avoid leaks: | 39 // Example usage to avoid leaks: |
| 59 GFX_EXPORT skia::RefPtr<SkShader> CreateGradientShader(int start_point, | 40 GFX_EXPORT skia::RefPtr<SkShader> CreateGradientShader(int start_point, |
| 60 int end_point, | 41 int end_point, |
| 61 SkColor start_color, | 42 SkColor start_color, |
| 62 SkColor end_color); | 43 SkColor end_color); |
| 63 | 44 |
| 64 // Creates a draw looper to generate |shadows|. The caller owns the draw looper. | |
| 65 // NULL is returned if |shadows| is empty since no draw looper is needed in | |
| 66 // this case. | |
| 67 GFX_EXPORT skia::RefPtr<SkDrawLooper> CreateShadowDrawLooper( | |
| 68 const std::vector<ShadowValue>& shadows); | |
| 69 | |
| 70 // Returns true if the two bitmaps contain the same pixels. | 45 // Returns true if the two bitmaps contain the same pixels. |
| 71 GFX_EXPORT bool BitmapsAreEqual(const SkBitmap& bitmap1, | 46 GFX_EXPORT bool BitmapsAreEqual(const SkBitmap& bitmap1, |
| 72 const SkBitmap& bitmap2); | 47 const SkBitmap& bitmap2); |
| 73 | 48 |
| 74 // Converts Skia ARGB format pixels in |skia| to RGBA. | 49 // Converts Skia ARGB format pixels in |skia| to RGBA. |
| 75 GFX_EXPORT void ConvertSkiaToRGBA(const unsigned char* skia, | 50 GFX_EXPORT void ConvertSkiaToRGBA(const unsigned char* skia, |
| 76 int pixel_width, | 51 int pixel_width, |
| 77 unsigned char* rgba); | 52 unsigned char* rgba); |
| 78 | 53 |
| 79 } // namespace gfx | 54 } // namespace gfx |
| 80 | 55 |
| 81 #endif // UI_GFX_SKIA_UTIL_H_ | 56 #endif // UI_GFX_SKIA_UTIL_H_ |
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