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/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkGradientBitmapCache_DEFINED
#define SkGradientBitmapCache_DEFINED
#include "SkBitmap.h"
class SkGradientBitmapCache : SkNoncopyable {
public:
SkGradientBitmapCache(int maxEntries);
~SkGradientBitmapCache();
bool find(const void* buffer, size_t len, SkBitmap*) const;
void add(const void* buffer, size_t len, const SkBitmap&);
private:
int fEntryCount;
const int fMaxEntries;
struct Entry;
mutable Entry* fHead;
mutable Entry* fTail;
inline Entry* release(Entry*) const;
inline void attachToHead(Entry*) const;
#ifdef SK_DEBUG
void validate() const;
#else
void validate() const {}
#endif
class AutoValidate : SkNoncopyable {
public:
AutoValidate(const SkGradientBitmapCache* bc) : fBC(bc) { bc->validate(); }
~AutoValidate() { fBC->validate(); }
private:
const SkGradientBitmapCache* fBC;
};
};
#endif
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