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/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPurgeableImageCache_DEFINED
#define SkPurgeableImageCache_DEFINED
#include "SkImageCache.h"
#ifdef SK_DEBUG
#include "SkTDArray.h"
#endif
/**
* Implementation for SkImageCache that uses system defined purgeable memory.
*/
class SkPurgeableImageCache : public SkImageCache {
public:
SK_DECLARE_INST_COUNT(SkPurgeableImageCache)
static SkImageCache* Create();
virtual void* allocAndPinCache(size_t bytes, ID*) SK_OVERRIDE;
virtual void* pinCache(ID, SkImageCache::DataStatus*) SK_OVERRIDE;
virtual void releaseCache(ID) SK_OVERRIDE;
virtual void throwAwayCache(ID) SK_OVERRIDE;
#ifdef SK_DEBUG
virtual MemoryStatus getMemoryStatus(ID) const SK_OVERRIDE;
virtual void purgeAllUnpinnedCaches() SK_OVERRIDE;
virtual ~SkPurgeableImageCache();
#endif
private:
SkPurgeableImageCache();
#ifdef SK_DEBUG
SkTDArray<ID> fRecs;
int findRec(ID) const;
#endif
void removeRec(ID);
};
#endif // SkPurgeableImageCache_DEFINED
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