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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2016 Google Inc. | 3 * Copyright 2016 Google Inc. |
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 #ifndef SkAutoPixmapStorage_DEFINED | 9 #ifndef SkAutoPixmapStorage_DEFINED |
10 #define SkAutoPixmapStorage_DEFINED | 10 #define SkAutoPixmapStorage_DEFINED |
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39 * alloc/tryAlloc was called. | 39 * alloc/tryAlloc was called. |
40 */ | 40 */ |
41 static size_t AllocSize(const SkImageInfo& info, size_t* rowBytes); | 41 static size_t AllocSize(const SkImageInfo& info, size_t* rowBytes); |
42 | 42 |
43 /** | 43 /** |
44 * Returns an SkData object wrapping the allocated pixels memory, and resets
the pixmap. | 44 * Returns an SkData object wrapping the allocated pixels memory, and resets
the pixmap. |
45 * If the storage hasn't been allocated, the result is NULL. | 45 * If the storage hasn't been allocated, the result is NULL. |
46 */ | 46 */ |
47 const SkData* SK_WARN_UNUSED_RESULT detachPixelsAsData(); | 47 const SkData* SK_WARN_UNUSED_RESULT detachPixelsAsData(); |
48 | 48 |
49 /** | |
50 * Whereas 'reset' frees the backing memory and then clears the SkPixmap, | |
51 * this entry point disowns the backing memory before clearing so the memory | |
52 * isn't freed. It can be used when the Pixmap has been installed into | |
53 * an SkBitmap and the SkBitmap should manage the memory's lifetime. | |
54 */ | |
55 void release(); | |
56 | |
57 // We wrap these so we can clear our internal storage | 49 // We wrap these so we can clear our internal storage |
58 | 50 |
59 void reset() { | 51 void reset() { |
60 this->freeStorage(); | 52 this->freeStorage(); |
61 this->INHERITED::reset(); | 53 this->INHERITED::reset(); |
62 } | 54 } |
63 void reset(const SkImageInfo& info, const void* addr, size_t rb, SkColorTabl
e* ctable = NULL) { | 55 void reset(const SkImageInfo& info, const void* addr, size_t rb, SkColorTabl
e* ctable = NULL) { |
64 this->freeStorage(); | 56 this->freeStorage(); |
65 this->INHERITED::reset(info, addr, rb, ctable); | 57 this->INHERITED::reset(info, addr, rb, ctable); |
66 } | 58 } |
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78 | 70 |
79 void freeStorage() { | 71 void freeStorage() { |
80 sk_free(fStorage); | 72 sk_free(fStorage); |
81 fStorage = nullptr; | 73 fStorage = nullptr; |
82 } | 74 } |
83 | 75 |
84 typedef SkPixmap INHERITED; | 76 typedef SkPixmap INHERITED; |
85 }; | 77 }; |
86 | 78 |
87 #endif | 79 #endif |
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