| OLD | NEW |
| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 | 9 |
| 10 #ifndef SkBitmapProcShader_DEFINED | 10 #ifndef SkBitmapProcShader_DEFINED |
| 11 #define SkBitmapProcShader_DEFINED | 11 #define SkBitmapProcShader_DEFINED |
| 12 | 12 |
| 13 #include "SkShader.h" | 13 #include "SkShader.h" |
| 14 #include "SkBitmapProcState.h" | 14 #include "SkBitmapProcState.h" |
| 15 #include "SkSmallAllocator.h" | 15 #include "SkSmallAllocator.h" |
| 16 | 16 |
| 17 class SkBitmapProcShader : public SkShader { | 17 class SkBitmapProcShader : public SkShader { |
| 18 public: | 18 public: |
| 19 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, | 19 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, |
| 20 const SkMatrix* localMatrix = NULL); | 20 const SkMatrix* localMatrix = NULL); |
| 21 | 21 |
| 22 // overrides from SkShader | 22 // overrides from SkShader |
| 23 virtual bool isOpaque() const SK_OVERRIDE; | 23 bool isOpaque() const SK_OVERRIDE; |
| 24 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR
IDE; | 24 BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERRIDE; |
| 25 | 25 |
| 26 virtual size_t contextSize() const SK_OVERRIDE; | 26 size_t contextSize() const SK_OVERRIDE; |
| 27 | 27 |
| 28 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); | 28 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); |
| 29 | 29 |
| 30 SK_TO_STRING_OVERRIDE() | 30 SK_TO_STRING_OVERRIDE() |
| 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) | 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) |
| 32 | 32 |
| 33 | 33 |
| 34 bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
const SkMatrix*, | 34 bool asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix& viewM,
const SkMatrix*, |
| 35 GrColor*, GrFragmentProcessor**) const SK_OVERRIDE; | 35 GrColor*, GrFragmentProcessor**) const SK_OVERRIDE; |
| 36 | 36 |
| 37 class BitmapProcShaderContext : public SkShader::Context { | 37 class BitmapProcShaderContext : public SkShader::Context { |
| 38 public: | 38 public: |
| 39 // The context takes ownership of the state. It will call its destructor | 39 // The context takes ownership of the state. It will call its destructor |
| 40 // but will NOT free the memory. | 40 // but will NOT free the memory. |
| 41 BitmapProcShaderContext(const SkBitmapProcShader&, const ContextRec&, Sk
BitmapProcState*); | 41 BitmapProcShaderContext(const SkBitmapProcShader&, const ContextRec&, Sk
BitmapProcState*); |
| 42 virtual ~BitmapProcShaderContext(); | 42 virtual ~BitmapProcShaderContext(); |
| 43 | 43 |
| 44 virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVE
RRIDE; | 44 void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; |
| 45 virtual ShadeProc asAShadeProc(void** ctx) SK_OVERRIDE; | 45 ShadeProc asAShadeProc(void** ctx) SK_OVERRIDE; |
| 46 virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OV
ERRIDE; | 46 void shadeSpan16(int x, int y, uint16_t dstC[], int count) SK_OVERRIDE; |
| 47 | 47 |
| 48 virtual uint32_t getFlags() const SK_OVERRIDE { return fFlags; } | 48 uint32_t getFlags() const SK_OVERRIDE { return fFlags; } |
| 49 | 49 |
| 50 private: | 50 private: |
| 51 SkBitmapProcState* fState; | 51 SkBitmapProcState* fState; |
| 52 uint32_t fFlags; | 52 uint32_t fFlags; |
| 53 | 53 |
| 54 typedef SkShader::Context INHERITED; | 54 typedef SkShader::Context INHERITED; |
| 55 }; | 55 }; |
| 56 | 56 |
| 57 protected: | 57 protected: |
| 58 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 58 void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| 59 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_
OVERRIDE; | 59 Context* onCreateContext(const ContextRec&, void* storage) const SK_OVERRIDE
; |
| 60 | 60 |
| 61 SkBitmap fRawBitmap; // experimental for RLE encoding | 61 SkBitmap fRawBitmap; // experimental for RLE encoding |
| 62 uint8_t fTileModeX, fTileModeY; | 62 uint8_t fTileModeX, fTileModeY; |
| 63 | 63 |
| 64 private: | 64 private: |
| 65 typedef SkShader INHERITED; | 65 typedef SkShader INHERITED; |
| 66 }; | 66 }; |
| 67 | 67 |
| 68 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total | 68 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total |
| 69 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of | 69 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of |
| 70 // an Sk3DBlitter in SkDraw.cpp | 70 // an Sk3DBlitter in SkDraw.cpp |
| 71 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not | 71 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not |
| 72 // yet found a situation where the size below isn't big enough. | 72 // yet found a situation where the size below isn't big enough. |
| 73 typedef SkSmallAllocator<3, 1024> SkTBlitterAllocator; | 73 typedef SkSmallAllocator<3, 1024> SkTBlitterAllocator; |
| 74 | 74 |
| 75 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and
MUST outlive | 75 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and
MUST outlive |
| 76 // the SkShader. | 76 // the SkShader. |
| 77 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, | 77 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, |
| 78 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); | 78 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); |
| 79 | 79 |
| 80 #endif | 80 #endif |
| OLD | NEW |