/usr/include/gdal/gdal_proxy.h is in libgdal-dev 1.10.1+dfsg-8+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: gdal_proxy.h 20962 2010-10-25 23:00:16Z rouault $
*
* Project: GDAL Core
* Purpose: GDAL Core C++/Private declarations
* Author: Even Rouault <even dot rouault at mines dash paris dot org>
*
******************************************************************************
* Copyright (c) 2008, Even Rouault
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef GDAL_PROXY_H_INCLUDED
#define GDAL_PROXY_H_INCLUDED
#include "gdal.h"
#ifdef __cplusplus
#include "gdal_priv.h"
#include "cpl_hash_set.h"
/* ******************************************************************** */
/* GDALProxyDataset */
/* ******************************************************************** */
class CPL_DLL GDALProxyDataset : public GDALDataset
{
protected:
virtual GDALDataset *RefUnderlyingDataset() = 0;
virtual void UnrefUnderlyingDataset(GDALDataset* poUnderlyingDataset);
virtual CPLErr IBuildOverviews( const char *, int, int *,
int, int *, GDALProgressFunc, void * );
virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
void *, int, int, GDALDataType,
int, int *, int, int, int );
public:
virtual char **GetMetadata( const char * pszDomain );
virtual CPLErr SetMetadata( char ** papszMetadata,
const char * pszDomain );
virtual const char *GetMetadataItem( const char * pszName,
const char * pszDomain );
virtual CPLErr SetMetadataItem( const char * pszName,
const char * pszValue,
const char * pszDomain );
virtual void FlushCache(void);
virtual const char *GetProjectionRef(void);
virtual CPLErr SetProjection( const char * );
virtual CPLErr GetGeoTransform( double * );
virtual CPLErr SetGeoTransform( double * );
virtual void *GetInternalHandle( const char * );
virtual GDALDriver *GetDriver(void);
virtual char **GetFileList(void);
virtual int GetGCPCount();
virtual const char *GetGCPProjection();
virtual const GDAL_GCP *GetGCPs();
virtual CPLErr SetGCPs( int nGCPCount, const GDAL_GCP *pasGCPList,
const char *pszGCPProjection );
virtual CPLErr AdviseRead( int nXOff, int nYOff, int nXSize, int nYSize,
int nBufXSize, int nBufYSize,
GDALDataType eDT,
int nBandCount, int *panBandList,
char **papszOptions );
virtual CPLErr CreateMaskBand( int nFlags );
};
/* ******************************************************************** */
/* GDALProxyRasterBand */
/* ******************************************************************** */
class CPL_DLL GDALProxyRasterBand : public GDALRasterBand
{
protected:
virtual GDALRasterBand* RefUnderlyingRasterBand() = 0;
virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand);
virtual CPLErr IReadBlock( int, int, void * );
virtual CPLErr IWriteBlock( int, int, void * );
virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
void *, int, int, GDALDataType,
int, int );
public:
virtual char **GetMetadata( const char * pszDomain );
virtual CPLErr SetMetadata( char ** papszMetadata,
const char * pszDomain );
virtual const char *GetMetadataItem( const char * pszName,
const char * pszDomain );
virtual CPLErr SetMetadataItem( const char * pszName,
const char * pszValue,
const char * pszDomain );
virtual CPLErr FlushCache();
virtual char **GetCategoryNames();
virtual double GetNoDataValue( int *pbSuccess = NULL );
virtual double GetMinimum( int *pbSuccess = NULL );
virtual double GetMaximum(int *pbSuccess = NULL );
virtual double GetOffset( int *pbSuccess = NULL );
virtual double GetScale( int *pbSuccess = NULL );
virtual const char *GetUnitType();
virtual GDALColorInterp GetColorInterpretation();
virtual GDALColorTable *GetColorTable();
virtual CPLErr Fill(double dfRealValue, double dfImaginaryValue = 0);
virtual CPLErr SetCategoryNames( char ** );
virtual CPLErr SetNoDataValue( double );
virtual CPLErr SetColorTable( GDALColorTable * );
virtual CPLErr SetColorInterpretation( GDALColorInterp );
virtual CPLErr SetOffset( double );
virtual CPLErr SetScale( double );
virtual CPLErr SetUnitType( const char * );
virtual CPLErr GetStatistics( int bApproxOK, int bForce,
double *pdfMin, double *pdfMax,
double *pdfMean, double *padfStdDev );
virtual CPLErr ComputeStatistics( int bApproxOK,
double *pdfMin, double *pdfMax,
double *pdfMean, double *pdfStdDev,
GDALProgressFunc, void *pProgressData );
virtual CPLErr SetStatistics( double dfMin, double dfMax,
double dfMean, double dfStdDev );
virtual CPLErr ComputeRasterMinMax( int, double* );
virtual int HasArbitraryOverviews();
virtual int GetOverviewCount();
virtual GDALRasterBand *GetOverview(int);
virtual GDALRasterBand *GetRasterSampleOverview( int );
virtual CPLErr BuildOverviews( const char *, int, int *,
GDALProgressFunc, void * );
virtual CPLErr AdviseRead( int nXOff, int nYOff, int nXSize, int nYSize,
int nBufXSize, int nBufYSize,
GDALDataType eDT, char **papszOptions );
virtual CPLErr GetHistogram( double dfMin, double dfMax,
int nBuckets, int * panHistogram,
int bIncludeOutOfRange, int bApproxOK,
GDALProgressFunc, void *pProgressData );
virtual CPLErr GetDefaultHistogram( double *pdfMin, double *pdfMax,
int *pnBuckets, int ** ppanHistogram,
int bForce,
GDALProgressFunc, void *pProgressData);
virtual CPLErr SetDefaultHistogram( double dfMin, double dfMax,
int nBuckets, int *panHistogram );
virtual const GDALRasterAttributeTable *GetDefaultRAT();
virtual CPLErr SetDefaultRAT( const GDALRasterAttributeTable * );
virtual GDALRasterBand *GetMaskBand();
virtual int GetMaskFlags();
virtual CPLErr CreateMaskBand( int nFlags );
};
/* ******************************************************************** */
/* GDALProxyPoolDataset */
/* ******************************************************************** */
typedef struct _GDALProxyPoolCacheEntry GDALProxyPoolCacheEntry;
class GDALProxyPoolRasterBand;
class CPL_DLL GDALProxyPoolDataset : public GDALProxyDataset
{
private:
GIntBig responsiblePID;
char *pszProjectionRef;
double adfGeoTransform[6];
int bHasSrcProjection;
int bHasSrcGeoTransform;
char *pszGCPProjection;
int nGCPCount;
GDAL_GCP *pasGCPList;
CPLHashSet *metadataSet;
CPLHashSet *metadataItemSet;
GDALProxyPoolCacheEntry* cacheEntry;
protected:
virtual GDALDataset *RefUnderlyingDataset();
virtual void UnrefUnderlyingDataset(GDALDataset* poUnderlyingDataset);
friend class GDALProxyPoolRasterBand;
public:
GDALProxyPoolDataset(const char* pszSourceDatasetDescription,
int nRasterXSize, int nRasterYSize,
GDALAccess eAccess = GA_ReadOnly,
int bShared = FALSE,
const char * pszProjectionRef = NULL,
double * padfGeoTransform = NULL);
~GDALProxyPoolDataset();
void AddSrcBandDescription( GDALDataType eDataType, int nBlockXSize, int nBlockYSize);
virtual const char *GetProjectionRef(void);
virtual CPLErr SetProjection( const char * );
virtual CPLErr GetGeoTransform( double * );
virtual CPLErr SetGeoTransform( double * );
/* Special behaviour for the following methods : they return a pointer */
/* data type, that must be cached by the proxy, so it doesn't become invalid */
/* when the underlying object get closed */
virtual char **GetMetadata( const char * pszDomain );
virtual const char *GetMetadataItem( const char * pszName,
const char * pszDomain );
virtual void *GetInternalHandle( const char * pszRequest );
virtual const char *GetGCPProjection();
virtual const GDAL_GCP *GetGCPs();
};
/* ******************************************************************** */
/* GDALProxyPoolRasterBand */
/* ******************************************************************** */
class GDALProxyPoolOverviewRasterBand;
class GDALProxyPoolMaskBand;
class CPL_DLL GDALProxyPoolRasterBand : public GDALProxyRasterBand
{
private:
CPLHashSet *metadataSet;
CPLHashSet *metadataItemSet;
char *pszUnitType;
char **papszCategoryNames;
GDALColorTable *poColorTable;
int nSizeProxyOverviewRasterBand;
GDALProxyPoolOverviewRasterBand **papoProxyOverviewRasterBand;
GDALProxyPoolMaskBand *poProxyMaskBand;
void Init();
protected:
virtual GDALRasterBand* RefUnderlyingRasterBand();
virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand);
friend class GDALProxyPoolOverviewRasterBand;
friend class GDALProxyPoolMaskBand;
public:
GDALProxyPoolRasterBand(GDALProxyPoolDataset* poDS, int nBand,
GDALDataType eDataType,
int nBlockXSize, int nBlockYSize);
GDALProxyPoolRasterBand(GDALProxyPoolDataset* poDS,
GDALRasterBand* poUnderlyingRasterBand);
~GDALProxyPoolRasterBand();
void AddSrcMaskBandDescription( GDALDataType eDataType, int nBlockXSize, int nBlockYSize);
/* Special behaviour for the following methods : they return a pointer */
/* data type, that must be cached by the proxy, so it doesn't become invalid */
/* when the underlying object get closed */
virtual char **GetMetadata( const char * pszDomain );
virtual const char *GetMetadataItem( const char * pszName,
const char * pszDomain );
virtual char **GetCategoryNames();
virtual const char *GetUnitType();
virtual GDALColorTable *GetColorTable();
virtual GDALRasterBand *GetOverview(int);
virtual GDALRasterBand *GetRasterSampleOverview( int nDesiredSamples); // TODO
virtual GDALRasterBand *GetMaskBand();
};
/* ******************************************************************** */
/* GDALProxyPoolOverviewRasterBand */
/* ******************************************************************** */
class GDALProxyPoolOverviewRasterBand : public GDALProxyPoolRasterBand
{
private:
GDALProxyPoolRasterBand *poMainBand;
int nOverviewBand;
GDALRasterBand *poUnderlyingMainRasterBand;
int nRefCountUnderlyingMainRasterBand;
protected:
virtual GDALRasterBand* RefUnderlyingRasterBand();
virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand);
public:
GDALProxyPoolOverviewRasterBand(GDALProxyPoolDataset* poDS,
GDALRasterBand* poUnderlyingOverviewBand,
GDALProxyPoolRasterBand* poMainBand,
int nOverviewBand);
~GDALProxyPoolOverviewRasterBand();
};
/* ******************************************************************** */
/* GDALProxyPoolMaskBand */
/* ******************************************************************** */
class GDALProxyPoolMaskBand : public GDALProxyPoolRasterBand
{
private:
GDALProxyPoolRasterBand *poMainBand;
GDALRasterBand *poUnderlyingMainRasterBand;
int nRefCountUnderlyingMainRasterBand;
protected:
virtual GDALRasterBand* RefUnderlyingRasterBand();
virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand);
public:
GDALProxyPoolMaskBand(GDALProxyPoolDataset* poDS,
GDALRasterBand* poUnderlyingMaskBand,
GDALProxyPoolRasterBand* poMainBand);
GDALProxyPoolMaskBand(GDALProxyPoolDataset* poDS,
GDALProxyPoolRasterBand* poMainBand,
GDALDataType eDataType,
int nBlockXSize, int nBlockYSize);
~GDALProxyPoolMaskBand();
};
#endif
/* ******************************************************************** */
/* C types and methods declarations */
/* ******************************************************************** */
CPL_C_START
typedef struct GDALProxyPoolDatasetHS *GDALProxyPoolDatasetH;
GDALProxyPoolDatasetH CPL_DLL GDALProxyPoolDatasetCreate(const char* pszSourceDatasetDescription,
int nRasterXSize, int nRasterYSize,
GDALAccess eAccess, int bShared,
const char * pszProjectionRef,
double * padfGeoTransform);
void CPL_DLL GDALProxyPoolDatasetDelete(GDALProxyPoolDatasetH hProxyPoolDataset);
void CPL_DLL GDALProxyPoolDatasetAddSrcBandDescription( GDALProxyPoolDatasetH hProxyPoolDataset,
GDALDataType eDataType,
int nBlockXSize, int nBlockYSize);
CPL_C_END
#endif /* GDAL_PROXY_H_INCLUDED */
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