e16efc1882
git-svn-id: http://skia.googlecode.com/svn/trunk@7406 2bbb7eff-a529-9590-31e7-b0007b416f81
50 lines
953 B
C++
50 lines
953 B
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkImageRefPool_DEFINED
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#define SkImageRefPool_DEFINED
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#include "SkTypes.h"
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class SkImageRef;
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class SkImageRef_GlobalPool;
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class SkImageRefPool {
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public:
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SkImageRefPool();
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~SkImageRefPool();
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size_t getRAMBudget() const { return fRAMBudget; }
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void setRAMBudget(size_t);
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size_t getRAMUsed() const { return fRAMUsed; }
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void setRAMUsed(size_t limit);
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void addToHead(SkImageRef*);
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void addToTail(SkImageRef*);
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void detach(SkImageRef*);
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void dump() const;
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private:
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size_t fRAMBudget;
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size_t fRAMUsed;
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int fCount;
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SkImageRef* fHead, *fTail;
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int computeCount() const;
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friend class SkImageRef_GlobalPool;
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void justAddedPixels(SkImageRef*);
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void canLosePixels(SkImageRef*);
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void purgeIfNeeded();
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};
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#endif
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