mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-04-21 10:28:44 -05:00
Alexander Bock
398 lines
18 KiB
C++
398 lines
18 KiB
C++
/******************************************************************************
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* $Id: gdal_proxy.h 36501 2016-11-25 14:09:24Z rouault $
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*
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* Project: GDAL Core
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* Purpose: GDAL Core C++/Private declarations
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* Author: Even Rouault <even dot rouault at mines dash paris dot org>
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*
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******************************************************************************
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* Copyright (c) 2008-2014, Even Rouault <even dot rouault at mines-paris dot org>
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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 GDAL_PROXY_H_INCLUDED
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#define GDAL_PROXY_H_INCLUDED
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#ifndef DOXYGEN_SKIP
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#include "gdal.h"
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#ifdef __cplusplus
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#include "gdal_priv.h"
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#include "cpl_hash_set.h"
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/* ******************************************************************** */
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/* GDALProxyDataset */
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/* ******************************************************************** */
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class CPL_DLL GDALProxyDataset : public GDALDataset
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{
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protected:
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GDALProxyDataset() {};
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virtual GDALDataset *RefUnderlyingDataset() = 0;
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virtual void UnrefUnderlyingDataset(GDALDataset* poUnderlyingDataset);
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virtual CPLErr IBuildOverviews( const char *, int, int *,
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int, int *, GDALProgressFunc, void * ) CPL_OVERRIDE;
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virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
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void *, int, int, GDALDataType,
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int, int *, GSpacing, GSpacing, GSpacing,
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GDALRasterIOExtraArg* psExtraArg ) CPL_OVERRIDE;
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public:
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virtual char **GetMetadataDomainList() CPL_OVERRIDE;
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virtual char **GetMetadata( const char * pszDomain ) CPL_OVERRIDE;
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virtual CPLErr SetMetadata( char ** papszMetadata,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual const char *GetMetadataItem( const char * pszName,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual CPLErr SetMetadataItem( const char * pszName,
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const char * pszValue,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual void FlushCache(void) CPL_OVERRIDE;
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virtual const char *GetProjectionRef(void) CPL_OVERRIDE;
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virtual CPLErr SetProjection( const char * ) CPL_OVERRIDE;
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virtual CPLErr GetGeoTransform( double * ) CPL_OVERRIDE;
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virtual CPLErr SetGeoTransform( double * ) CPL_OVERRIDE;
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virtual void *GetInternalHandle( const char * ) CPL_OVERRIDE;
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virtual GDALDriver *GetDriver(void) CPL_OVERRIDE;
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virtual char **GetFileList(void) CPL_OVERRIDE;
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virtual int GetGCPCount() CPL_OVERRIDE;
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virtual const char *GetGCPProjection() CPL_OVERRIDE;
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virtual const GDAL_GCP *GetGCPs() CPL_OVERRIDE;
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virtual CPLErr SetGCPs( int nGCPCount, const GDAL_GCP *pasGCPList,
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const char *pszGCPProjection ) CPL_OVERRIDE;
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virtual CPLErr AdviseRead( int nXOff, int nYOff, int nXSize, int nYSize,
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int nBufXSize, int nBufYSize,
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GDALDataType eDT,
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int nBandCount, int *panBandList,
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char **papszOptions ) CPL_OVERRIDE;
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virtual CPLErr CreateMaskBand( int nFlags ) CPL_OVERRIDE;
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private:
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CPL_DISALLOW_COPY_ASSIGN(GDALProxyDataset)
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};
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/* ******************************************************************** */
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/* GDALProxyRasterBand */
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/* ******************************************************************** */
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class CPL_DLL GDALProxyRasterBand : public GDALRasterBand
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{
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protected:
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GDALProxyRasterBand() {};
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virtual GDALRasterBand* RefUnderlyingRasterBand() = 0;
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virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand);
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virtual CPLErr IReadBlock( int, int, void * ) CPL_OVERRIDE;
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virtual CPLErr IWriteBlock( int, int, void * ) CPL_OVERRIDE;
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virtual CPLErr IRasterIO( GDALRWFlag, int, int, int, int,
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void *, int, int, GDALDataType,
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GSpacing, GSpacing, GDALRasterIOExtraArg* psExtraArg ) CPL_OVERRIDE;
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public:
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virtual char **GetMetadataDomainList() CPL_OVERRIDE;
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virtual char **GetMetadata( const char * pszDomain ) CPL_OVERRIDE;
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virtual CPLErr SetMetadata( char ** papszMetadata,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual const char *GetMetadataItem( const char * pszName,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual CPLErr SetMetadataItem( const char * pszName,
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const char * pszValue,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual CPLErr FlushCache() CPL_OVERRIDE;
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virtual char **GetCategoryNames() CPL_OVERRIDE;
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virtual double GetNoDataValue( int *pbSuccess = NULL ) CPL_OVERRIDE;
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virtual double GetMinimum( int *pbSuccess = NULL ) CPL_OVERRIDE;
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virtual double GetMaximum(int *pbSuccess = NULL ) CPL_OVERRIDE;
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virtual double GetOffset( int *pbSuccess = NULL ) CPL_OVERRIDE;
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virtual double GetScale( int *pbSuccess = NULL ) CPL_OVERRIDE;
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virtual const char *GetUnitType() CPL_OVERRIDE;
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virtual GDALColorInterp GetColorInterpretation() CPL_OVERRIDE;
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virtual GDALColorTable *GetColorTable() CPL_OVERRIDE;
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virtual CPLErr Fill(double dfRealValue, double dfImaginaryValue = 0) CPL_OVERRIDE;
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virtual CPLErr SetCategoryNames( char ** ) CPL_OVERRIDE;
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virtual CPLErr SetNoDataValue( double ) CPL_OVERRIDE;
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virtual CPLErr DeleteNoDataValue() CPL_OVERRIDE;
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virtual CPLErr SetColorTable( GDALColorTable * ) CPL_OVERRIDE;
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virtual CPLErr SetColorInterpretation( GDALColorInterp ) CPL_OVERRIDE;
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virtual CPLErr SetOffset( double ) CPL_OVERRIDE;
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virtual CPLErr SetScale( double ) CPL_OVERRIDE;
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virtual CPLErr SetUnitType( const char * ) CPL_OVERRIDE;
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virtual CPLErr GetStatistics( int bApproxOK, int bForce,
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double *pdfMin, double *pdfMax,
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double *pdfMean, double *padfStdDev ) CPL_OVERRIDE;
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virtual CPLErr ComputeStatistics( int bApproxOK,
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double *pdfMin, double *pdfMax,
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double *pdfMean, double *pdfStdDev,
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GDALProgressFunc, void *pProgressData ) CPL_OVERRIDE;
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virtual CPLErr SetStatistics( double dfMin, double dfMax,
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double dfMean, double dfStdDev ) CPL_OVERRIDE;
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virtual CPLErr ComputeRasterMinMax( int, double* ) CPL_OVERRIDE;
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virtual int HasArbitraryOverviews() CPL_OVERRIDE;
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virtual int GetOverviewCount() CPL_OVERRIDE;
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virtual GDALRasterBand *GetOverview(int) CPL_OVERRIDE;
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virtual GDALRasterBand *GetRasterSampleOverview( GUIntBig ) CPL_OVERRIDE;
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virtual CPLErr BuildOverviews( const char *, int, int *,
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GDALProgressFunc, void * ) CPL_OVERRIDE;
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virtual CPLErr AdviseRead( int nXOff, int nYOff, int nXSize, int nYSize,
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int nBufXSize, int nBufYSize,
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GDALDataType eDT, char **papszOptions ) CPL_OVERRIDE;
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virtual CPLErr GetHistogram( double dfMin, double dfMax,
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int nBuckets, GUIntBig * panHistogram,
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int bIncludeOutOfRange, int bApproxOK,
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GDALProgressFunc, void *pProgressData ) CPL_OVERRIDE;
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virtual CPLErr GetDefaultHistogram( double *pdfMin, double *pdfMax,
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int *pnBuckets, GUIntBig ** ppanHistogram,
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int bForce,
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GDALProgressFunc, void *pProgressData) CPL_OVERRIDE;
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virtual CPLErr SetDefaultHistogram( double dfMin, double dfMax,
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int nBuckets, GUIntBig *panHistogram ) CPL_OVERRIDE;
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virtual GDALRasterAttributeTable *GetDefaultRAT() CPL_OVERRIDE;
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virtual CPLErr SetDefaultRAT( const GDALRasterAttributeTable * ) CPL_OVERRIDE;
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virtual GDALRasterBand *GetMaskBand() CPL_OVERRIDE;
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virtual int GetMaskFlags() CPL_OVERRIDE;
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virtual CPLErr CreateMaskBand( int nFlags ) CPL_OVERRIDE;
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virtual CPLVirtualMem *GetVirtualMemAuto( GDALRWFlag eRWFlag,
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int *pnPixelSpace,
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GIntBig *pnLineSpace,
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char **papszOptions ) CPL_OVERRIDE;
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private:
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CPL_DISALLOW_COPY_ASSIGN(GDALProxyRasterBand)
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};
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/* ******************************************************************** */
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/* GDALProxyPoolDataset */
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/* ******************************************************************** */
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typedef struct _GDALProxyPoolCacheEntry GDALProxyPoolCacheEntry;
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class GDALProxyPoolRasterBand;
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class CPL_DLL GDALProxyPoolDataset : public GDALProxyDataset
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{
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private:
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GIntBig responsiblePID;
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char *pszProjectionRef;
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double adfGeoTransform[6];
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int bHasSrcProjection;
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int bHasSrcGeoTransform;
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char *pszGCPProjection;
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int nGCPCount;
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GDAL_GCP *pasGCPList;
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CPLHashSet *metadataSet;
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CPLHashSet *metadataItemSet;
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GDALProxyPoolCacheEntry* cacheEntry;
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protected:
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virtual GDALDataset *RefUnderlyingDataset() CPL_OVERRIDE;
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virtual void UnrefUnderlyingDataset(GDALDataset* poUnderlyingDataset) CPL_OVERRIDE;
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friend class GDALProxyPoolRasterBand;
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public:
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GDALProxyPoolDataset(const char* pszSourceDatasetDescription,
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int nRasterXSize, int nRasterYSize,
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GDALAccess eAccess = GA_ReadOnly,
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int bShared = FALSE,
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const char * pszProjectionRef = NULL,
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double * padfGeoTransform = NULL);
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virtual ~GDALProxyPoolDataset();
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void SetOpenOptions(char** papszOpenOptions);
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void AddSrcBandDescription( GDALDataType eDataType, int nBlockXSize, int nBlockYSize);
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virtual const char *GetProjectionRef(void) CPL_OVERRIDE;
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virtual CPLErr SetProjection( const char * ) CPL_OVERRIDE;
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virtual CPLErr GetGeoTransform( double * ) CPL_OVERRIDE;
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virtual CPLErr SetGeoTransform( double * ) CPL_OVERRIDE;
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/* Special behaviour for the following methods : they return a pointer */
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/* data type, that must be cached by the proxy, so it doesn't become invalid */
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/* when the underlying object get closed */
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virtual char **GetMetadata( const char * pszDomain ) CPL_OVERRIDE;
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virtual const char *GetMetadataItem( const char * pszName,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual void *GetInternalHandle( const char * pszRequest ) CPL_OVERRIDE;
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virtual const char *GetGCPProjection() CPL_OVERRIDE;
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virtual const GDAL_GCP *GetGCPs() CPL_OVERRIDE;
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private:
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CPL_DISALLOW_COPY_ASSIGN(GDALProxyPoolDataset)
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};
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/* ******************************************************************** */
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/* GDALProxyPoolRasterBand */
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/* ******************************************************************** */
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class GDALProxyPoolOverviewRasterBand;
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class GDALProxyPoolMaskBand;
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class CPL_DLL GDALProxyPoolRasterBand : public GDALProxyRasterBand
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{
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private:
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CPLHashSet *metadataSet;
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CPLHashSet *metadataItemSet;
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char *pszUnitType;
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char **papszCategoryNames;
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GDALColorTable *poColorTable;
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int nSizeProxyOverviewRasterBand;
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GDALProxyPoolOverviewRasterBand **papoProxyOverviewRasterBand;
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GDALProxyPoolMaskBand *poProxyMaskBand;
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void Init();
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protected:
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virtual GDALRasterBand* RefUnderlyingRasterBand() CPL_OVERRIDE;
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virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand) CPL_OVERRIDE;
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friend class GDALProxyPoolOverviewRasterBand;
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friend class GDALProxyPoolMaskBand;
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public:
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GDALProxyPoolRasterBand(GDALProxyPoolDataset* poDS, int nBand,
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GDALDataType eDataType,
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int nBlockXSize, int nBlockYSize);
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GDALProxyPoolRasterBand(GDALProxyPoolDataset* poDS,
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GDALRasterBand* poUnderlyingRasterBand);
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virtual ~GDALProxyPoolRasterBand();
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void AddSrcMaskBandDescription( GDALDataType eDataType, int nBlockXSize, int nBlockYSize);
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/* Special behaviour for the following methods : they return a pointer */
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/* data type, that must be cached by the proxy, so it doesn't become invalid */
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/* when the underlying object get closed */
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virtual char **GetMetadata( const char * pszDomain ) CPL_OVERRIDE;
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virtual const char *GetMetadataItem( const char * pszName,
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const char * pszDomain ) CPL_OVERRIDE;
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virtual char **GetCategoryNames() CPL_OVERRIDE;
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virtual const char *GetUnitType() CPL_OVERRIDE;
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virtual GDALColorTable *GetColorTable() CPL_OVERRIDE;
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virtual GDALRasterBand *GetOverview(int) CPL_OVERRIDE;
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virtual GDALRasterBand *GetRasterSampleOverview( GUIntBig nDesiredSamples) CPL_OVERRIDE; // TODO
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virtual GDALRasterBand *GetMaskBand() CPL_OVERRIDE;
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private:
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CPL_DISALLOW_COPY_ASSIGN(GDALProxyPoolRasterBand)
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};
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/* ******************************************************************** */
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/* GDALProxyPoolOverviewRasterBand */
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/* ******************************************************************** */
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class GDALProxyPoolOverviewRasterBand : public GDALProxyPoolRasterBand
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{
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private:
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GDALProxyPoolRasterBand *poMainBand;
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int nOverviewBand;
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GDALRasterBand *poUnderlyingMainRasterBand;
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int nRefCountUnderlyingMainRasterBand;
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protected:
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virtual GDALRasterBand* RefUnderlyingRasterBand() CPL_OVERRIDE;
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virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand) CPL_OVERRIDE;
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public:
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GDALProxyPoolOverviewRasterBand(GDALProxyPoolDataset* poDS,
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GDALRasterBand* poUnderlyingOverviewBand,
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GDALProxyPoolRasterBand* poMainBand,
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int nOverviewBand);
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virtual ~GDALProxyPoolOverviewRasterBand();
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};
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/* ******************************************************************** */
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/* GDALProxyPoolMaskBand */
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/* ******************************************************************** */
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class GDALProxyPoolMaskBand : public GDALProxyPoolRasterBand
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{
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private:
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GDALProxyPoolRasterBand *poMainBand;
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GDALRasterBand *poUnderlyingMainRasterBand;
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int nRefCountUnderlyingMainRasterBand;
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protected:
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virtual GDALRasterBand* RefUnderlyingRasterBand() CPL_OVERRIDE;
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virtual void UnrefUnderlyingRasterBand(GDALRasterBand* poUnderlyingRasterBand) CPL_OVERRIDE;
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public:
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GDALProxyPoolMaskBand(GDALProxyPoolDataset* poDS,
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GDALRasterBand* poUnderlyingMaskBand,
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GDALProxyPoolRasterBand* poMainBand);
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GDALProxyPoolMaskBand(GDALProxyPoolDataset* poDS,
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GDALProxyPoolRasterBand* poMainBand,
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GDALDataType eDataType,
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int nBlockXSize, int nBlockYSize);
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virtual ~GDALProxyPoolMaskBand();
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};
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#endif
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/* ******************************************************************** */
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/* C types and methods declarations */
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/* ******************************************************************** */
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CPL_C_START
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typedef struct GDALProxyPoolDatasetHS *GDALProxyPoolDatasetH;
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GDALProxyPoolDatasetH CPL_DLL GDALProxyPoolDatasetCreate(const char* pszSourceDatasetDescription,
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int nRasterXSize, int nRasterYSize,
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GDALAccess eAccess, int bShared,
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const char * pszProjectionRef,
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double * padfGeoTransform);
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void CPL_DLL GDALProxyPoolDatasetDelete(GDALProxyPoolDatasetH hProxyPoolDataset);
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void CPL_DLL GDALProxyPoolDatasetAddSrcBandDescription( GDALProxyPoolDatasetH hProxyPoolDataset,
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GDALDataType eDataType,
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int nBlockXSize, int nBlockYSize);
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CPL_C_END
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#endif /* #ifndef DOXYGEN_SKIP */
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#endif /* GDAL_PROXY_H_INCLUDED */
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