| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SkKernel33MaskFilter_DEFINED |
| #define SkKernel33MaskFilter_DEFINED |
| |
| #include "SkMaskFilter.h" |
| |
| class SkKernel33ProcMaskFilter : public SkMaskFilter { |
| public: |
| SkKernel33ProcMaskFilter(unsigned percent256 = 256) |
| : fPercent256(percent256) {} |
| |
| virtual uint8_t computeValue(uint8_t* const* srcRows) = 0; |
| |
| // overrides from SkMaskFilter |
| virtual SkMask::Format getFormat(); |
| virtual bool filterMask(SkMask*, const SkMask&, const SkMatrix&, SkIPoint*); |
| |
| // overrides from SkFlattenable |
| virtual void flatten(SkFlattenableWriteBuffer& wb); |
| |
| protected: |
| SkKernel33ProcMaskFilter(SkFlattenableReadBuffer& rb); |
| |
| private: |
| int fPercent256; |
| |
| typedef SkMaskFilter INHERITED; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class SkKernel33MaskFilter : public SkKernel33ProcMaskFilter { |
| public: |
| SkKernel33MaskFilter(const int coeff[3][3], int shift, int percent256 = 256) |
| : SkKernel33ProcMaskFilter(percent256) |
| { |
| memcpy(fKernel, coeff, 9 * sizeof(int)); |
| fShift = shift; |
| } |
| |
| // override from SkKernel33ProcMaskFilter |
| virtual uint8_t computeValue(uint8_t* const* srcRows); |
| |
| // overrides from SkFlattenable |
| virtual void flatten(SkFlattenableWriteBuffer& wb); |
| virtual Factory getFactory(); |
| |
| private: |
| int fKernel[3][3]; |
| int fShift; |
| |
| SkKernel33MaskFilter(SkFlattenableReadBuffer& rb); |
| static SkFlattenable* Create(SkFlattenableReadBuffer& rb); |
| |
| typedef SkKernel33ProcMaskFilter INHERITED; |
| }; |
| |
| #endif |