The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/core/SkMipMap.h
gfx/skia/trunk/src/core/SkMipMap.h
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:6c16fe40cc0f |
|---|---|
| 1 /* | |
| 2 * Copyright 2013 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkMipMap_DEFINED | |
| 9 #define SkMipMap_DEFINED | |
| 10 | |
| 11 #include "SkRefCnt.h" | |
| 12 #include "SkScalar.h" | |
| 13 | |
| 14 class SkBitmap; | |
| 15 | |
| 16 class SkMipMap : public SkRefCnt { | |
| 17 public: | |
| 18 static SkMipMap* Build(const SkBitmap& src); | |
| 19 | |
| 20 struct Level { | |
| 21 void* fPixels; | |
| 22 uint32_t fRowBytes; | |
| 23 uint32_t fWidth, fHeight; | |
| 24 float fScale; // < 1.0 | |
| 25 }; | |
| 26 | |
| 27 bool extractLevel(SkScalar scale, Level*) const; | |
| 28 | |
| 29 size_t getSize() const { return fSize; } | |
| 30 | |
| 31 private: | |
| 32 size_t fSize; | |
| 33 Level* fLevels; | |
| 34 int fCount; | |
| 35 | |
| 36 // we take ownership of levels, and will free it with sk_free() | |
| 37 SkMipMap(Level* levels, int count, size_t size); | |
| 38 virtual ~SkMipMap(); | |
| 39 | |
| 40 static Level* AllocLevels(int levelCount, size_t pixelSize); | |
| 41 }; | |
| 42 | |
| 43 #endif |
