epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2006 The Android Open Source Project |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #ifndef SkBitmapProcShader_DEFINED |
| 11 | #define SkBitmapProcShader_DEFINED |
| 12 | |
| 13 | #include "SkShader.h" |
| 14 | #include "SkBitmapProcState.h" |
| 15 | |
| 16 | class SkBitmapProcShader : public SkShader { |
| 17 | public: |
| 18 | SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty); |
| 19 | |
| 20 | // overrides from SkShader |
junov@chromium.org | b6e1619 | 2011-12-09 15:48:03 +0000 | [diff] [blame^] | 21 | virtual bool isOpaque() const SK_OVERRIDE; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 22 | virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&); |
| 23 | virtual uint32_t getFlags() { return fFlags; } |
| 24 | virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count); |
| 25 | virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count); |
| 26 | virtual void beginSession(); |
| 27 | virtual void endSession(); |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame] | 28 | virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*, |
| 29 | SkScalar* twoPointRadialParams) const; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 30 | |
| 31 | static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); |
| 32 | |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame] | 33 | static SkFlattenable* CreateProc(SkFlattenableReadBuffer& buffer) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 34 | return SkNEW_ARGS(SkBitmapProcShader, (buffer)); |
| 35 | } |
| 36 | |
| 37 | // override from flattenable |
| 38 | virtual bool toDumpString(SkString* str) const; |
| 39 | |
| 40 | protected: |
| 41 | SkBitmapProcShader(SkFlattenableReadBuffer& ); |
| 42 | virtual void flatten(SkFlattenableWriteBuffer& ); |
| 43 | virtual Factory getFactory() { return CreateProc; } |
| 44 | |
| 45 | SkBitmap fRawBitmap; // experimental for RLE encoding |
| 46 | SkBitmapProcState fState; |
| 47 | uint32_t fFlags; |
| 48 | |
reed@google.com | 7c2f27d | 2011-03-07 19:29:00 +0000 | [diff] [blame] | 49 | private: |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 50 | typedef SkShader INHERITED; |
| 51 | }; |
| 52 | |
| 53 | #endif |