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| 1 /* | 1 /* |
| 2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
| 3 * | 3 * |
| 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 #ifndef SkTableMaskFilter_DEFINED | 8 #ifndef SkTableMaskFilter_DEFINED |
| 9 #define SkTableMaskFilter_DEFINED | 9 #define SkTableMaskFilter_DEFINED |
| 10 | 10 |
| 11 #include "SkMaskFilter.h" | 11 #include "SkMaskFilter.h" |
| 12 #include "SkScalar.h" | 12 #include "SkScalar.h" |
| 13 | 13 |
| 14 /** \class SkTableMaskFilter | 14 /** \class SkTableMaskFilter |
| 15 | 15 |
| 16 Applies a table lookup on each of the alpha values in the mask. | 16 Applies a table lookup on each of the alpha values in the mask. |
| 17 Helper methods create some common tables (e.g. gamma, clipping) | 17 Helper methods create some common tables (e.g. gamma, clipping) |
| 18 */ | 18 */ |
| 19 class SK_API SkTableMaskFilter : public SkMaskFilter { | 19 class SK_API SkTableMaskFilter : public SkMaskFilter { |
| 20 typedef SkMaskFilter INHERITED; |
| 21 |
| 20 public: | 22 public: |
| 21 SkTableMaskFilter(); | 23 SkTableMaskFilter(); |
| 22 SkTableMaskFilter(const uint8_t table[256]); | 24 SkTableMaskFilter(const uint8_t table[256]); |
| 23 virtual ~SkTableMaskFilter(); | 25 virtual ~SkTableMaskFilter(); |
| 24 | 26 |
| 25 /** Utility that sets the gamma table | 27 /** Utility that sets the gamma table |
| 26 */ | 28 */ |
| 27 static void MakeGammaTable(uint8_t table[256], SkScalar gamma); | 29 static void MakeGammaTable(uint8_t table[256], SkScalar gamma); |
| 28 | 30 |
| 29 /** Utility that creates a clipping table: clamps values below min to 0 | 31 /** Utility that creates a clipping table: clamps values below min to 0 |
| (...skipping 19 matching lines...) Expand all Loading... |
| 49 | 51 |
| 50 SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;) | 52 SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;) |
| 51 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTableMaskFilter) | 53 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTableMaskFilter) |
| 52 | 54 |
| 53 protected: | 55 protected: |
| 54 SkTableMaskFilter(SkFlattenableReadBuffer& rb); | 56 SkTableMaskFilter(SkFlattenableReadBuffer& rb); |
| 55 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; | 57 virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE; |
| 56 | 58 |
| 57 private: | 59 private: |
| 58 uint8_t fTable[256]; | 60 uint8_t fTable[256]; |
| 59 | |
| 60 typedef SkMaskFilter INHERITED; | |
| 61 }; | 61 }; |
| 62 | 62 |
| 63 #endif | 63 #endif |
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