reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 1 | /* libs/graphics/sgl/SkBitmapShader.h |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame^] | 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | ** |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame^] | 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 10 | ** |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame^] | 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #ifndef SkBitmapProcShader_DEFINED |
| 19 | #define SkBitmapProcShader_DEFINED |
| 20 | |
| 21 | #include "SkShader.h" |
| 22 | #include "SkBitmapProcState.h" |
| 23 | |
| 24 | class SkBitmapProcShader : public SkShader { |
| 25 | public: |
| 26 | SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty); |
| 27 | |
| 28 | // overrides from SkShader |
| 29 | virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&); |
| 30 | virtual uint32_t getFlags() { return fFlags; } |
| 31 | virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count); |
| 32 | virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count); |
| 33 | virtual void beginSession(); |
| 34 | virtual void endSession(); |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame^] | 35 | virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*, |
| 36 | SkScalar* twoPointRadialParams) const; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 37 | |
| 38 | static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); |
| 39 | |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame^] | 40 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 41 | return SkNEW_ARGS(SkBitmapProcShader, (buffer)); |
| 42 | } |
| 43 | |
| 44 | // override from flattenable |
| 45 | virtual bool toDumpString(SkString* str) const; |
| 46 | |
| 47 | protected: |
| 48 | SkBitmapProcShader(SkFlattenableReadBuffer& ); |
| 49 | virtual void flatten(SkFlattenableWriteBuffer& ); |
| 50 | virtual Factory getFactory() { return CreateProc; } |
| 51 | |
| 52 | SkBitmap fRawBitmap; // experimental for RLE encoding |
| 53 | SkBitmapProcState fState; |
| 54 | uint32_t fFlags; |
| 55 | |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame^] | 56 | private: |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 57 | typedef SkShader INHERITED; |
| 58 | }; |
| 59 | |
| 60 | #endif |