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comparison: gfx/skia/trunk/src/core/SkBitmapProcShader.h
gfx/skia/trunk/src/core/SkBitmapProcShader.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:dccb6d76bf55 |
|---|---|
| 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 | |
| 9 | |
| 10 #ifndef SkBitmapProcShader_DEFINED | |
| 11 #define SkBitmapProcShader_DEFINED | |
| 12 | |
| 13 #include "SkShader.h" | |
| 14 #include "SkBitmapProcState.h" | |
| 15 #include "SkSmallAllocator.h" | |
| 16 | |
| 17 class SkBitmapProcShader : public SkShader { | |
| 18 public: | |
| 19 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty); | |
| 20 | |
| 21 // overrides from SkShader | |
| 22 virtual bool isOpaque() const SK_OVERRIDE; | |
| 23 virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&) SK_OVERRIDE; | |
| 24 virtual void endContext() SK_OVERRIDE; | |
| 25 virtual uint32_t getFlags() SK_OVERRIDE { return fFlags; } | |
| 26 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; | |
| 27 virtual ShadeProc asAShadeProc(void** ctx) SK_OVERRIDE; | |
| 28 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE; | |
| 29 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERRIDE; | |
| 30 | |
| 31 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); | |
| 32 | |
| 33 SK_TO_STRING_OVERRIDE() | |
| 34 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) | |
| 35 | |
| 36 #if SK_SUPPORT_GPU | |
| 37 GrEffectRef* asNewEffect(GrContext*, const SkPaint&) const SK_OVERRIDE; | |
| 38 #endif | |
| 39 | |
| 40 protected: | |
| 41 SkBitmapProcShader(SkReadBuffer& ); | |
| 42 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | |
| 43 | |
| 44 SkBitmap fRawBitmap; // experimental for RLE encoding | |
| 45 SkBitmapProcState fState; | |
| 46 uint32_t fFlags; | |
| 47 | |
| 48 private: | |
| 49 typedef SkShader INHERITED; | |
| 50 }; | |
| 51 | |
| 52 // Commonly used allocator. It currently is only used to allocate up to 2 objects. The total | |
| 53 // bytes requested is calculated using one of our large shaders plus the size of an Sk3DBlitter | |
| 54 // in SkDraw.cpp | |
| 55 typedef SkSmallAllocator<2, sizeof(SkBitmapProcShader) + sizeof(void*) * 2> SkTBlitterAllocator; | |
| 56 | |
| 57 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and MUST outlive | |
| 58 // the SkShader. | |
| 59 SkShader* CreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader::TileMode, | |
| 60 SkTBlitterAllocator* alloc); | |
| 61 | |
| 62 #endif |
