185 lines
7.2 KiB
C++
185 lines
7.2 KiB
C++
/******************************************************************************
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* $Id: memdataset.h 33838 2016-03-31 20:42:32Z goatbar $
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*
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* Project: Memory Array Translator
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* Purpose: Declaration of MEMDataset, and MEMRasterBand.
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* Author: Frank Warmerdam, warmerdam@pobox.com
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*
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******************************************************************************
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* Copyright (c) 2000, Frank Warmerdam
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#ifndef MEMDATASET_H_INCLUDED
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#define MEMDATASET_H_INCLUDED
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#include "gdal_pam.h"
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#include "gdal_priv.h"
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CPL_C_START
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void GDALRegister_MEM();
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/* Caution: if changing this prototype, also change in swig/include/gdal_python.i
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where it is redefined */
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GDALRasterBandH CPL_DLL MEMCreateRasterBand( GDALDataset *, int, GByte *,
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GDALDataType, int, int, int );
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GDALRasterBandH CPL_DLL MEMCreateRasterBandEx( GDALDataset *, int, GByte *,
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GDALDataType, GSpacing, GSpacing,
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int );
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CPL_C_END
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/************************************************************************/
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/* MEMDataset */
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/************************************************************************/
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class MEMRasterBand;
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class CPL_DLL MEMDataset : public GDALDataset
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{
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int bGeoTransformSet;
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double adfGeoTransform[6];
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char *pszProjection;
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int nGCPCount;
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GDAL_GCP *pasGCPs;
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CPLString osGCPProjection;
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#if 0
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protected:
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virtual int EnterReadWrite(GDALRWFlag eRWFlag);
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virtual void LeaveReadWrite();
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#endif
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public:
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MEMDataset();
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virtual ~MEMDataset();
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virtual const char *GetProjectionRef(void);
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virtual CPLErr SetProjection( const char * );
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virtual CPLErr GetGeoTransform( double * );
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virtual CPLErr SetGeoTransform( double * );
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virtual void *GetInternalHandle( const char * );
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virtual int GetGCPCount();
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virtual const char *GetGCPProjection();
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virtual const GDAL_GCP *GetGCPs();
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virtual CPLErr SetGCPs( int nGCPCount, const GDAL_GCP *pasGCPList,
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const char *pszGCPProjection );
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virtual CPLErr AddBand( GDALDataType eType,
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char **papszOptions=NULL );
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virtual CPLErr IRasterIO( GDALRWFlag eRWFlag,
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int nXOff, int nYOff, int nXSize, int nYSize,
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void * pData, int nBufXSize, int nBufYSize,
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GDALDataType eBufType,
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int nBandCount, int *panBandMap,
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GSpacing nPixelSpaceBuf,
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GSpacing nLineSpaceBuf,
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GSpacing nBandSpaceBuf,
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GDALRasterIOExtraArg* psExtraArg);
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static GDALDataset *Open( GDALOpenInfo * );
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static GDALDataset *Create( const char * pszFilename,
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int nXSize, int nYSize, int nBands,
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GDALDataType eType, char ** papszParmList );
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};
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/************************************************************************/
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/* MEMRasterBand */
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/************************************************************************/
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class CPL_DLL MEMRasterBand : public GDALPamRasterBand
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{
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protected:
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friend class MEMDataset;
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GByte *pabyData;
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GSpacing nPixelOffset;
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GSpacing nLineOffset;
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int bOwnData;
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int bNoDataSet;
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double dfNoData;
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GDALColorTable *poColorTable;
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GDALColorInterp eColorInterp;
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char *pszUnitType;
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char **papszCategoryNames;
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double dfOffset;
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double dfScale;
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CPLXMLNode *psSavedHistograms;
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public:
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MEMRasterBand( GDALDataset *poDS, int nBand,
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GByte *pabyData, GDALDataType eType,
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GSpacing nPixelOffset, GSpacing nLineOffset,
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int bAssumeOwnership,
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const char * pszPixelType = NULL );
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virtual ~MEMRasterBand();
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virtual CPLErr IReadBlock( int, int, void * );
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virtual CPLErr IWriteBlock( int, int, void * );
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virtual CPLErr IRasterIO( GDALRWFlag eRWFlag,
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int nXOff, int nYOff, int nXSize, int nYSize,
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void * pData, int nBufXSize, int nBufYSize,
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GDALDataType eBufType,
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GSpacing nPixelSpaceBuf,
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GSpacing nLineSpaceBuf,
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GDALRasterIOExtraArg* psExtraArg );
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virtual double GetNoDataValue( int *pbSuccess = NULL );
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virtual CPLErr SetNoDataValue( double );
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virtual CPLErr DeleteNoDataValue();
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virtual GDALColorInterp GetColorInterpretation();
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virtual GDALColorTable *GetColorTable();
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virtual CPLErr SetColorTable( GDALColorTable * );
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virtual CPLErr SetColorInterpretation( GDALColorInterp );
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virtual const char *GetUnitType();
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CPLErr SetUnitType( const char * );
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virtual char **GetCategoryNames();
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virtual CPLErr SetCategoryNames( char ** );
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virtual double GetOffset( int *pbSuccess = NULL );
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CPLErr SetOffset( double );
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virtual double GetScale( int *pbSuccess = NULL );
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CPLErr SetScale( double );
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virtual CPLErr SetDefaultHistogram( double dfMin, double dfMax,
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int nBuckets, GUIntBig *panHistogram );
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virtual CPLErr GetDefaultHistogram( double *pdfMin, double *pdfMax,
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int *pnBuckets,
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GUIntBig ** ppanHistogram,
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int bForce,
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GDALProgressFunc, void *pProgressData);
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// Allow access to MEM driver's private internal memory buffer.
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GByte *GetData(void) const { return(pabyData); }
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};
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#endif /* ndef MEMDATASET_H_INCLUDED */
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