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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 virtual bool isOpaque() const SK_OVERRIDE; |
24 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR
IDE; | 24 virtual BitmapType asABitmap(SkBitmap*, SkMatrix*, TileMode*) const SK_OVERR
IDE; |
25 | 25 |
26 virtual bool validContext(const ContextRec&, SkMatrix* totalInverse) const S
K_OVERRIDE; | |
27 virtual SkShader::Context* createContext(const ContextRec&, void* storage) c
onst SK_OVERRIDE; | |
28 virtual size_t contextSize() const SK_OVERRIDE; | 26 virtual size_t contextSize() const SK_OVERRIDE; |
29 | 27 |
30 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); | 28 static bool CanDo(const SkBitmap&, TileMode tx, TileMode ty); |
31 | 29 |
32 SK_TO_STRING_OVERRIDE() | 30 SK_TO_STRING_OVERRIDE() |
33 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) | 31 SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBitmapProcShader) |
34 | 32 |
35 #if SK_SUPPORT_GPU | 33 #if SK_SUPPORT_GPU |
36 GrEffectRef* asNewEffect(GrContext*, const SkPaint&) const SK_OVERRIDE; | 34 GrEffectRef* asNewEffect(GrContext*, const SkPaint&) const SK_OVERRIDE; |
37 #endif | 35 #endif |
(...skipping 14 matching lines...) Expand all Loading... |
52 private: | 50 private: |
53 SkBitmapProcState* fState; | 51 SkBitmapProcState* fState; |
54 uint32_t fFlags; | 52 uint32_t fFlags; |
55 | 53 |
56 typedef SkShader::Context INHERITED; | 54 typedef SkShader::Context INHERITED; |
57 }; | 55 }; |
58 | 56 |
59 protected: | 57 protected: |
60 SkBitmapProcShader(SkReadBuffer& ); | 58 SkBitmapProcShader(SkReadBuffer& ); |
61 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; | 59 virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE; |
| 60 virtual Context* onCreateContext(const ContextRec&, void* storage) const SK_
OVERRIDE; |
62 | 61 |
63 SkBitmap fRawBitmap; // experimental for RLE encoding | 62 SkBitmap fRawBitmap; // experimental for RLE encoding |
64 uint8_t fTileModeX, fTileModeY; | 63 uint8_t fTileModeX, fTileModeY; |
65 | 64 |
66 private: | 65 private: |
67 bool validInternal(const ContextRec&, SkMatrix* totalInverse, SkBitmapProcSt
ate*) const; | |
68 | |
69 typedef SkShader INHERITED; | 66 typedef SkShader INHERITED; |
70 }; | 67 }; |
71 | 68 |
72 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total | 69 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total |
73 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of | 70 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of |
74 // an Sk3DBlitter in SkDraw.cpp | 71 // an Sk3DBlitter in SkDraw.cpp |
75 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not | 72 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not |
76 // yet found a situation where the size below isn't big enough. | 73 // yet found a situation where the size below isn't big enough. |
77 typedef SkSmallAllocator<3, sizeof(SkBitmapProcShader) + | 74 typedef SkSmallAllocator<3, sizeof(SkBitmapProcShader) + |
78 sizeof(SkBitmapProcShader::BitmapProcShaderContext)
+ | 75 sizeof(SkBitmapProcShader::BitmapProcShaderContext)
+ |
79 sizeof(SkBitmapProcState) + | 76 sizeof(SkBitmapProcState) + |
80 sizeof(void*) * 2> SkTBlitterAllocator; | 77 sizeof(void*) * 2> SkTBlitterAllocator; |
81 | 78 |
82 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and
MUST outlive | 79 // If alloc is non-NULL, it will be used to allocate the returned SkShader, and
MUST outlive |
83 // the SkShader. | 80 // the SkShader. |
84 SkShader* CreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader::
TileMode, | 81 SkShader* CreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader::
TileMode, |
85 const SkMatrix* localMatrix, SkTBlitterAllocator* a
lloc); | 82 const SkMatrix* localMatrix, SkTBlitterAllocator* a
lloc); |
86 | 83 |
87 #endif | 84 #endif |
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