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| 1 /* | 1 /* |
| 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> | 4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| 5 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> | 5 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| 6 * Copyright (C) 2010 Renata Hodovan <reni@inf.u-szeged.hu> | 6 * Copyright (C) 2010 Renata Hodovan <reni@inf.u-szeged.hu> |
| 7 * Copyright (C) 2013 Google Inc. All rights reserved. | 7 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 8 * | 8 * |
| 9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
| 10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
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| 53 bool setSeed(float); | 53 bool setSeed(float); |
| 54 | 54 |
| 55 int numOctaves() const; | 55 int numOctaves() const; |
| 56 bool setNumOctaves(int); | 56 bool setNumOctaves(int); |
| 57 | 57 |
| 58 bool stitchTiles() const; | 58 bool stitchTiles() const; |
| 59 bool setStitchTiles(bool); | 59 bool setStitchTiles(bool); |
| 60 | 60 |
| 61 static void fillRegionWorker(void*); | 61 static void fillRegionWorker(void*); |
| 62 | 62 |
| 63 virtual TextStream& externalRepresentation(TextStream&, int indention) const
OVERRIDE; | 63 virtual TextStream& externalRepresentation(TextStream&, int indention) const
override; |
| 64 | 64 |
| 65 private: | 65 private: |
| 66 static const int s_blockSize = 256; | 66 static const int s_blockSize = 256; |
| 67 static const int s_blockMask = s_blockSize - 1; | 67 static const int s_blockMask = s_blockSize - 1; |
| 68 | 68 |
| 69 static const int s_minimalRectDimension = (100 * 100); // Empirical data lim
it for parallel jobs. | 69 static const int s_minimalRectDimension = (100 * 100); // Empirical data lim
it for parallel jobs. |
| 70 | 70 |
| 71 struct PaintingData { | 71 struct PaintingData { |
| 72 PaintingData(long paintingSeed, const IntSize& paintingSize) | 72 PaintingData(long paintingSeed, const IntSize& paintingSize) |
| 73 : seed(paintingSeed) | 73 : seed(paintingSeed) |
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| 108 int startY; | 108 int startY; |
| 109 int endY; | 109 int endY; |
| 110 float baseFrequencyX; | 110 float baseFrequencyX; |
| 111 float baseFrequencyY; | 111 float baseFrequencyY; |
| 112 }; | 112 }; |
| 113 | 113 |
| 114 static void fillRegionWorker(FillRegionParameters*); | 114 static void fillRegionWorker(FillRegionParameters*); |
| 115 | 115 |
| 116 FETurbulence(Filter*, TurbulenceType, float, float, int, float, bool); | 116 FETurbulence(Filter*, TurbulenceType, float, float, int, float, bool); |
| 117 | 117 |
| 118 virtual void applySoftware() OVERRIDE; | 118 virtual void applySoftware() override; |
| 119 virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*)
OVERRIDE; | 119 virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*)
override; |
| 120 SkShader* createShader(); | 120 SkShader* createShader(); |
| 121 | 121 |
| 122 inline void initPaint(PaintingData&); | 122 inline void initPaint(PaintingData&); |
| 123 float noise2D(int channel, PaintingData&, StitchData&, const FloatPoint&); | 123 float noise2D(int channel, PaintingData&, StitchData&, const FloatPoint&); |
| 124 unsigned char calculateTurbulenceValueForPoint(int channel, PaintingData&, S
titchData&, const FloatPoint&, float, float); | 124 unsigned char calculateTurbulenceValueForPoint(int channel, PaintingData&, S
titchData&, const FloatPoint&, float, float); |
| 125 inline void fillRegion(Uint8ClampedArray*, PaintingData&, int, int, float, f
loat); | 125 inline void fillRegion(Uint8ClampedArray*, PaintingData&, int, int, float, f
loat); |
| 126 | 126 |
| 127 TurbulenceType m_type; | 127 TurbulenceType m_type; |
| 128 float m_baseFrequencyX; | 128 float m_baseFrequencyX; |
| 129 float m_baseFrequencyY; | 129 float m_baseFrequencyY; |
| 130 int m_numOctaves; | 130 int m_numOctaves; |
| 131 float m_seed; | 131 float m_seed; |
| 132 bool m_stitchTiles; | 132 bool m_stitchTiles; |
| 133 }; | 133 }; |
| 134 | 134 |
| 135 } // namespace blink | 135 } // namespace blink |
| 136 | 136 |
| 137 #endif // FETurbulence_h | 137 #endif // FETurbulence_h |
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