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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 "SkSmallAllocator.h" | 14 #include "SkSmallAllocator.h" |
15 | 15 |
16 struct SkBitmapProcState; | 16 struct SkBitmapProcState; |
| 17 class SkBitmapProvider; |
17 | 18 |
18 class SkBitmapProcShader : public SkShader { | 19 class SkBitmapProcShader : public SkShader { |
19 public: | 20 public: |
20 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, | 21 SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty, |
21 const SkMatrix* localMatrix = nullptr); | 22 const SkMatrix* localMatrix = nullptr); |
22 | 23 |
23 bool isOpaque() const override; | 24 bool isOpaque() const override; |
24 | 25 |
25 size_t contextSize() const override { return ContextSize(); } | 26 size_t contextSize() const override { return ContextSize(); } |
26 | 27 |
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58 Context* onCreateContext(const ContextRec&, void* storage) const override; | 59 Context* onCreateContext(const ContextRec&, void* storage) const override; |
59 bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; | 60 bool onIsABitmap(SkBitmap*, SkMatrix*, TileMode*) const override; |
60 | 61 |
61 SkBitmap fRawBitmap; // experimental for RLE encoding | 62 SkBitmap fRawBitmap; // experimental for RLE encoding |
62 uint8_t fTileModeX, fTileModeY; | 63 uint8_t fTileModeX, fTileModeY; |
63 | 64 |
64 private: | 65 private: |
65 friend class SkImageShader; | 66 friend class SkImageShader; |
66 | 67 |
67 static size_t ContextSize(); | 68 static size_t ContextSize(); |
68 static Context* MakeContext(const SkShader&, TileMode tmx, TileMode tmy, con
st SkBitmap&, | 69 static Context* MakeContext(const SkShader&, TileMode tmx, TileMode tmy, |
69 const ContextRec&, void* storage); | 70 const SkBitmapProvider&, const ContextRec&, void
* storage); |
70 | 71 |
71 typedef SkShader INHERITED; | 72 typedef SkShader INHERITED; |
72 }; | 73 }; |
73 | 74 |
74 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total | 75 // Commonly used allocator. It currently is only used to allocate up to 3 object
s. The total |
75 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of | 76 // bytes requested is calculated using one of our large shaders, its context siz
e plus the size of |
76 // an Sk3DBlitter in SkDraw.cpp | 77 // an Sk3DBlitter in SkDraw.cpp |
77 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not | 78 // Note that some contexts may contain other contexts (e.g. for compose shaders)
, but we've not |
78 // yet found a situation where the size below isn't big enough. | 79 // yet found a situation where the size below isn't big enough. |
79 typedef SkSmallAllocator<3, 1160> SkTBlitterAllocator; | 80 typedef SkSmallAllocator<3, 1160> SkTBlitterAllocator; |
80 | 81 |
81 // If alloc is non-nullptr, it will be used to allocate the returned SkShader, a
nd MUST outlive | 82 // If alloc is non-nullptr, it will be used to allocate the returned SkShader, a
nd MUST outlive |
82 // the SkShader. | 83 // the SkShader. |
83 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, | 84 SkShader* SkCreateBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader
::TileMode, |
84 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); | 85 const SkMatrix* localMatrix, SkTBlitterAllocator*
alloc); |
85 | 86 |
86 #endif | 87 #endif |
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