/usr/include/ossim/imaging/ossimAppFixedTileCache.h is in libossim-dev 1.7.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
// Author: Garrett Potts
//
// Description: This file contains the Application cache algorithm
//
//***********************************
// $Id: ossimAppFixedTileCache.h 14480 2009-05-11 12:07:35Z dburken $
#ifndef ossimAppFixedTileCache_HEADER
#define ossimAppFixedTileCache_HEADER
#include <map>
#include <list>
#include <iostream>
#include <ossim/base/ossimConstants.h>
#include <ossim/base/ossimRefPtr.h>
#include <ossim/base/ossimIrect.h>
#include <OpenThreads/ReadWriteMutex>
class ossimFixedTileCache;
class ossimImageData;
class OSSIM_DLL ossimAppFixedTileCache
{
public:
friend std::ostream& operator <<(std::ostream& out,
const ossimAppFixedTileCache& rhs);
static const ossim_uint32 DEFAULT_SIZE;
typedef ossim_int32 ossimAppFixedCacheId;
static ossimAppFixedTileCache *instance(ossim_uint32 maxSize = 0);
virtual ~ossimAppFixedTileCache();
/*!
* Will flush all cache registered
*/
virtual void flush();
virtual void flush(ossimAppFixedCacheId cacheId);
virtual void deleteCache(ossimAppFixedCacheId cacheId);
/*!
* Will create a new Tile cache for this application if the tile size is 0,0 it will
* use the default tile size. Will
* return 0 if not successful.
*/
ossimAppFixedCacheId newTileCache(const ossimIrect& tileBoundaryRect,
const ossimIpt& tileSize=ossimIpt(0,0));
ossimAppFixedCacheId newTileCache();
virtual void setRect(ossimAppFixedCacheId cacheId,
const ossimIrect& boundaryTileRect);
virtual void setTileSize(ossimAppFixedCacheId cacheId,
const ossimIpt& tileSize);
ossimRefPtr<ossimImageData> getTile(ossimAppFixedCacheId cacheId,
const ossimIpt& origin);
ossimRefPtr<ossimImageData> addTile(ossimAppFixedCacheId cacheId,
ossimRefPtr<ossimImageData> data);
ossimRefPtr<ossimImageData> removeTile(ossimAppFixedCacheId cacheId,
const ossimIpt& origin);
void deleteTile(ossimAppFixedCacheId cacheId,
const ossimIpt& origin);
const ossimIpt& getTileSize(ossimAppFixedCacheId cacheId);
virtual void setMaxCacheSize(ossim_uint32 cacheSize);
protected:
// struct ossimAppFixedCacheTileInfo
// {
// public:
// ossimAppFixedCacheTileInfo(ossimAppFixedCacheId appId,
// const ossimIpt& origin)
// :theAppCacheId(appId),
// theOrigin(origin)
// {}
// ossimAppFixedCacheId theAppCacheId;
// ossimIpt theOrigin;
// bool operator ==(const ossimAppFixedCacheTileInfo &rhs)const
// {
// return (theAppCacheId == rhs.theAppCacheId &&
// theOrigin == rhs.theOrigin);
// }
// };
ossimAppFixedTileCache();
ossimFixedTileCache* getCache(ossimAppFixedCacheId cacheId);
void shrinkGlobalCacheSize(ossim_int32 byteCount);
void shrinkCacheSize(ossimAppFixedCacheId id,
ossim_int32 byteCount);
void shrinkCacheSize(ossimFixedTileCache* cache,
ossim_int32 byteCount);
void deleteAll();
static ossimAppFixedTileCache *theInstance;
/*!
* Will hold the current unique Application id.
*/
static ossimAppFixedCacheId theUniqueAppIdCounter;
ossimIpt theTileSize;
ossim_uint32 theMaxCacheSize;
ossim_uint32 theMaxGlobalCacheSize;
ossim_uint32 theCurrentCacheSize;
std::map<ossimAppFixedCacheId, ossimFixedTileCache*> theAppCacheMap;
OpenThreads::ReadWriteMutex theMutex;
/*!
* Is used in an Least recently used algorithm
*/
// std::list<ossimAppFixedCacheTileInfo> theUsedQueue;
};
#endif
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