1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/effects/gradients/SkBitmapCache.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,49 @@
1.4 +
1.5 +/*
1.6 + * Copyright 2010 Google Inc.
1.7 + *
1.8 + * Use of this source code is governed by a BSD-style license that can be
1.9 + * found in the LICENSE file.
1.10 + */
1.11 +
1.12 +
1.13 +#ifndef SkBitmapCache_DEFINED
1.14 +#define SkBitmapCache_DEFINED
1.15 +
1.16 +#include "SkBitmap.h"
1.17 +
1.18 +class SkBitmapCache : SkNoncopyable {
1.19 +public:
1.20 + SkBitmapCache(int maxEntries);
1.21 + ~SkBitmapCache();
1.22 +
1.23 + bool find(const void* buffer, size_t len, SkBitmap*) const;
1.24 + void add(const void* buffer, size_t len, const SkBitmap&);
1.25 +
1.26 +private:
1.27 + int fEntryCount;
1.28 + const int fMaxEntries;
1.29 +
1.30 + struct Entry;
1.31 + mutable Entry* fHead;
1.32 + mutable Entry* fTail;
1.33 +
1.34 + inline Entry* detach(Entry*) const;
1.35 + inline void attachToHead(Entry*) const;
1.36 +
1.37 +#ifdef SK_DEBUG
1.38 + void validate() const;
1.39 +#else
1.40 + void validate() const {}
1.41 +#endif
1.42 +
1.43 + class AutoValidate : SkNoncopyable {
1.44 + public:
1.45 + AutoValidate(const SkBitmapCache* bc) : fBC(bc) { bc->validate(); }
1.46 + ~AutoValidate() { fBC->validate(); }
1.47 + private:
1.48 + const SkBitmapCache* fBC;
1.49 + };
1.50 +};
1.51 +
1.52 +#endif
