epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame^] | 1 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame^] | 3 | * Copyright 2008 The Android Open Source Project |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 4 | * |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame^] | 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame^] | 9 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | #ifndef SkKernel33MaskFilter_DEFINED |
| 11 | #define SkKernel33MaskFilter_DEFINED |
| 12 | |
| 13 | #include "SkMaskFilter.h" |
| 14 | |
| 15 | class SkKernel33ProcMaskFilter : public SkMaskFilter { |
| 16 | public: |
| 17 | SkKernel33ProcMaskFilter(unsigned percent256 = 256) |
| 18 | : fPercent256(percent256) {} |
| 19 | |
| 20 | virtual uint8_t computeValue(uint8_t* const* srcRows) = 0; |
| 21 | |
| 22 | // overrides from SkMaskFilter |
| 23 | virtual SkMask::Format getFormat(); |
| 24 | virtual bool filterMask(SkMask*, const SkMask&, const SkMatrix&, SkIPoint*); |
| 25 | |
| 26 | // overrides from SkFlattenable |
| 27 | virtual void flatten(SkFlattenableWriteBuffer& wb); |
| 28 | |
| 29 | protected: |
| 30 | SkKernel33ProcMaskFilter(SkFlattenableReadBuffer& rb); |
| 31 | |
| 32 | private: |
| 33 | int fPercent256; |
| 34 | |
| 35 | typedef SkMaskFilter INHERITED; |
| 36 | }; |
| 37 | |
| 38 | /////////////////////////////////////////////////////////////////////////////// |
| 39 | |
| 40 | class SkKernel33MaskFilter : public SkKernel33ProcMaskFilter { |
| 41 | public: |
| 42 | SkKernel33MaskFilter(const int coeff[3][3], int shift, int percent256 = 256) |
mike@reedtribe.org | 6b919c3 | 2011-04-20 11:17:30 +0000 | [diff] [blame] | 43 | : SkKernel33ProcMaskFilter(percent256) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 44 | memcpy(fKernel, coeff, 9 * sizeof(int)); |
| 45 | fShift = shift; |
| 46 | } |
| 47 | |
| 48 | // override from SkKernel33ProcMaskFilter |
| 49 | virtual uint8_t computeValue(uint8_t* const* srcRows); |
| 50 | |
| 51 | // overrides from SkFlattenable |
| 52 | virtual void flatten(SkFlattenableWriteBuffer& wb); |
| 53 | virtual Factory getFactory(); |
| 54 | |
| 55 | private: |
| 56 | int fKernel[3][3]; |
| 57 | int fShift; |
| 58 | |
| 59 | SkKernel33MaskFilter(SkFlattenableReadBuffer& rb); |
| 60 | static SkFlattenable* Create(SkFlattenableReadBuffer& rb); |
| 61 | |
| 62 | typedef SkKernel33ProcMaskFilter INHERITED; |
| 63 | }; |
| 64 | |
| 65 | #endif |