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Side by Side Diff: src/lazy/SkLazyPixelRef.h

Issue 68973005: Expand pixelref to return SkImageInfo and rowbytes (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 1 month ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #ifndef SkLazyPixelRef_DEFINED 8 #ifndef SkLazyPixelRef_DEFINED
9 #define SkLazyPixelRef_DEFINED 9 #define SkLazyPixelRef_DEFINED
10 10
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53 static void ResetCacheStats() { gCacheHits = gCacheMisses = 0; } 53 static void ResetCacheStats() { gCacheHits = gCacheMisses = 0; }
54 #endif 54 #endif
55 55
56 // No need to flatten this object. When flattening an SkBitmap, SkOrderedWri teBuffer will check 56 // No need to flatten this object. When flattening an SkBitmap, SkOrderedWri teBuffer will check
57 // the encoded data and write that instead. 57 // the encoded data and write that instead.
58 // Future implementations of SkFlattenableWriteBuffer will need to special c ase for 58 // Future implementations of SkFlattenableWriteBuffer will need to special c ase for
59 // onRefEncodedData as well. 59 // onRefEncodedData as well.
60 SK_DECLARE_UNFLATTENABLE_OBJECT() 60 SK_DECLARE_UNFLATTENABLE_OBJECT()
61 61
62 protected: 62 protected:
63 virtual void* onLockPixels(SkColorTable**) SK_OVERRIDE; 63 virtual void* onLockPixels(SkImageInfo*, size_t* rowBytes,
64 SkColorTable**) SK_OVERRIDE;
64 virtual void onUnlockPixels() SK_OVERRIDE; 65 virtual void onUnlockPixels() SK_OVERRIDE;
65 virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; } 66 virtual bool onLockPixelsAreWritable() const SK_OVERRIDE { return false; }
66 virtual SkData* onRefEncodedData() SK_OVERRIDE; 67 virtual SkData* onRefEncodedData() SK_OVERRIDE;
67 virtual bool onImplementsDecodeInto() SK_OVERRIDE; 68 virtual bool onImplementsDecodeInto() SK_OVERRIDE;
68 virtual bool onDecodeInto(int pow2, SkBitmap*) SK_OVERRIDE; 69 virtual bool onDecodeInto(int pow2, SkBitmap*) SK_OVERRIDE;
69 70
70 private: 71 private:
71 bool fErrorInDecoding; 72 bool fErrorInDecoding;
72 SkData* fData; 73 SkData* fData;
73 SkBitmapFactory::DecodeProc fDecodeProc; 74 SkBitmapFactory::DecodeProc fDecodeProc;
74 SkImageCache* fImageCache; 75 SkImageCache* fImageCache;
75 union { 76 union {
76 SkImageCache::ID fCacheId; 77 SkImageCache::ID fCacheId;
77 SkScaledImageCache::ID* fScaledCacheId; 78 SkScaledImageCache::ID* fScaledCacheId;
78 }; 79 };
79 size_t fRowBytes; 80 size_t fRowBytes;
80 SkImageInfo fLazilyCachedInfo; 81 SkImageInfo fLazilyCachedInfo;
81 82
82 #if LAZY_CACHE_STATS 83 #if LAZY_CACHE_STATS
83 static int32_t gCacheHits; 84 static int32_t gCacheHits;
84 static int32_t gCacheMisses; 85 static int32_t gCacheMisses;
85 #endif 86 #endif
86 87
87 // lazily initialized our cached info. Returns NULL on failure. 88 // lazily initialized our cached info. Returns NULL on failure.
88 const SkImage::Info* getCachedInfo(); 89 const SkImage::Info* getCachedInfo();
89 void* lockScaledImageCachePixels(); 90 void* lockScaledImageCachePixels(SkImageInfo*, size_t* rowBytes);
90 void* lockImageCachePixels(); 91 void* lockImageCachePixels(SkImageInfo*, size_t* rowBytes);
91 92
92 93
93 typedef SkPixelRef INHERITED; 94 typedef SkPixelRef INHERITED;
94 }; 95 };
95 96
96 #endif // SkLazyPixelRef_DEFINED 97 #endif // SkLazyPixelRef_DEFINED
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