/usr/include/ossim/imaging/ossimTileCache.h is in libossim-dev 1.7.21-3ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | //*******************************************************************
//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
// License: See top level LICENSE.txt file.
//
// Author: Garrett Potts
// Description: This file contains the cache algorithm
//
//***********************************
// $Id: ossimTileCache.h 14370 2009-04-20 21:40:03Z dburken $
#ifndef DataCache_HEADER
#define DataCache_HEADER
#include <map>
#include <stack>
using namespace std;
#include <ossim/base/ossimConstants.h>
#include <ossim/base/ossimDpt.h>
#include <ossim/base/ossimDpt3d.h>
class ossimDataObject;
class ossimTileCache
{
public:
ossimTileCache(long numberOfBuckets = 10);
virtual ~ossimTileCache();
/*!
* This will return a tile if found. Note this tile is still
* owned by the cache.
*/
virtual ossimDataObject* get(const ossimDpt3d &origin,
unsigned long resLevel=0);
/*!
* Will remove the tile from the cache and will not delete. Note:
* the cache no longer owns the tile.
*/
virtual ossimDataObject* remove(const ossimDpt3d &origin,
unsigned long resLevel=0);
/*!
* This will not duplicate the tile. Note the tile is owned
* by the cache.
*/
virtual ossimDataObject* insert(const ossimDpt3d &origin,
ossimDataObject* data,
unsigned long resLevel=0);
/*!
* Not implemented
*/
void invalidate();
/*!
* Not implemented
*/
virtual void invalidate(const ossimDpt3d &origin,
ossim_uint32 resLevel);
virtual long numberOfItems()const{return theCache?theCache->size():0;}
virtual void display()const;
virtual ossim_uint32 sizeInBytes(){return theSizeInBytes;}
protected:
struct ossimTileInformation
{
public:
friend ostream& operator <<(ostream &out,
const ossimTileInformation &info)
{
return out;
}
ossimTileInformation(ossimDataObject* aTile,
const ossimDpt3d &origin = ossimDpt(0,0),
unsigned long resLevel = 0)
: theCachedTile(aTile),
theOrigin(origin),
theResLevel(resLevel)
{}
ossimDataObject* theCachedTile;
ossimDpt3d theOrigin;
unsigned long theResLevel;
};
typedef multimap<ossim_uint32, ossimTileInformation*>::iterator Iterator;
typedef ossimTileInformation* CacheDataPtr;
typedef ossimTileInformation CacheData;
void deleteAll();
virtual ossim_uint32 bucketHash(const ossimDpt3d &aPt);
virtual ossim_uint32 tileId(const ossimDpt3d &aPt);
multimap<ossim_uint32, ossimTileInformation*> *theCache;
long theNumberOfBuckets;
ossim_uint32 theSizeInBytes;
};
#endif
|