The Tor Browser / file revision

 /*

  * 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 SkBitmapCache_DEFINED

 #define SkBitmapCache_DEFINED

 #include "SkBitmap.h"

 class SkBitmapCache : SkNoncopyable {

 public:

     SkBitmapCache(int maxEntries);

     ~SkBitmapCache();

     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* detach(Entry*) const;

     inline void attachToHead(Entry*) const;

 #ifdef SK_DEBUG

     void validate() const;

 #else

     void validate() const {}

 #endif

     class AutoValidate : SkNoncopyable {

     public:

         AutoValidate(const SkBitmapCache* bc) : fBC(bc) { bc->validate(); }

         ~AutoValidate() { fBC->validate(); }

     private:

         const SkBitmapCache* fBC;

     };

 };

 #endif