gdalwarper.h

这是我已经编译好的GDAL1.4的所有文件

    GDALMaskFunc        pfnDstValidityMaskFunc;
    void               *pDstValidityMaskFuncArg;

    CPLErr              (*pfnPreWarpChunkProcessor)( void *pKern, void *pArg );
    void               *pPreWarpProcessorArg;
    
    CPLErr              (*pfnPostWarpChunkProcessor)( void *pKern, void *pArg);
    void               *pPostWarpProcessorArg;

} GDALWarpOptions;

GDALWarpOptions CPL_DLL * CPL_STDCALL GDALCreateWarpOptions(void);
void CPL_DLL CPL_STDCALL GDALDestroyWarpOptions( GDALWarpOptions * );
GDALWarpOptions CPL_DLL * CPL_STDCALL
GDALCloneWarpOptions( const GDALWarpOptions * );

CPLXMLNode CPL_DLL * CPL_STDCALL
      GDALSerializeWarpOptions( const GDALWarpOptions * );
GDALWarpOptions CPL_DLL * CPL_STDCALL
      GDALDeserializeWarpOptions( CPLXMLNode * );

/************************************************************************/
/*                         GDALReprojectImage()                         */
/************************************************************************/

CPLErr CPL_DLL CPL_STDCALL
GDALReprojectImage( GDALDatasetH hSrcDS, const char *pszSrcWKT, 
                    GDALDatasetH hDstDS, const char *pszDstWKT,
                    GDALResampleAlg eResampleAlg, double dfWarpMemoryLimit,
                    double dfMaxError,
                    GDALProgressFunc pfnProgress, void *pProgressArg, 
                    GDALWarpOptions *psOptions );

CPLErr CPL_DLL CPL_STDCALL
GDALCreateAndReprojectImage( GDALDatasetH hSrcDS, const char *pszSrcWKT, 
                    const char *pszDstFilename, const char *pszDstWKT,
                    GDALDriverH hDstDriver, char **papszCreateOptions,
                    GDALResampleAlg eResampleAlg, double dfWarpMemoryLimit,
                    double dfMaxError,
                    GDALProgressFunc pfnProgress, void *pProgressArg, 
                    GDALWarpOptions *psOptions );

/************************************************************************/
/*                           VRTWarpedDataset                           */
/************************************************************************/

GDALDatasetH CPL_DLL CPL_STDCALL
GDALAutoCreateWarpedVRT( GDALDatasetH hSrcDS, 
                         const char *pszSrcWKT, const char *pszDstWKT, 
                         GDALResampleAlg eResampleAlg, 
                         double dfMaxError, const GDALWarpOptions *psOptions );

GDALDatasetH CPL_DLL CPL_STDCALL 
GDALCreateWarpedVRT( GDALDatasetH hSrcDS, 
                     int nPixels, int nLines, double *padfGeoTransform,
                     GDALWarpOptions *psOptions );

CPLErr CPL_DLL CPL_STDCALL
GDALInitializeWarpedVRT( GDALDatasetH hDS, 
                         GDALWarpOptions *psWO );

CPL_C_END

#ifdef __cplusplus 

/************************************************************************/
/*                            GDALWarpKernel                            */
/*                                                                      */
/*      This class represents the lowest level of abstraction.  It      */
/*      is holds the imagery for one "chunk" of a warp, and the         */
/*      pre-prepared masks.  All IO is done before and after it's       */
/*      operation.  This class is not normally used by the              */
/*      application.                                                    */
/************************************************************************/

class CPL_DLL GDALWarpKernel
{
public:
                       GDALWarpKernel();
    virtual           ~GDALWarpKernel();

    char              **papszWarpOptions;

    GDALResampleAlg	eResample;
    GDALDataType        eWorkingDataType;
    int                 nBands;

    int                 nSrcXSize;
    int                 nSrcYSize;
    GByte               **papabySrcImage;

    GUInt32           **papanBandSrcValid;
    GUInt32            *panUnifiedSrcValid;
    float              *pafUnifiedSrcDensity;

    int                 nDstXSize;
    int                 nDstYSize;
    GByte             **papabyDstImage;
    GUInt32            *panDstValid;
    float              *pafDstDensity;
    
    int                 nSrcXOff;
    int                 nSrcYOff;

    int                 nDstXOff;
    int                 nDstYOff;
        
    GDALTransformerFunc pfnTransformer;
    void                *pTransformerArg;

    GDALProgressFunc    pfnProgress;
    void                *pProgress;

    double              dfProgressBase;
    double              dfProgressScale;

    CPLErr              Validate();
    CPLErr              PerformWarp();
};

/************************************************************************/
/*                         GDALWarpOperation()                          */
/*                                                                      */
/*      This object is application created, or created by a higher      */
/*      level convenience function.  It is responsible for              */
/*      subdividing the operation into chunks, loading and saving       */
/*      imagery, and establishing the varios validity and density       */
/*      masks.  Actual resampling is done by the GDALWarpKernel.        */
/************************************************************************/

class CPL_DLL GDALWarpOperation {
private:
    GDALWarpOptions *psOptions;

    double          dfProgressBase;
    double          dfProgressScale;

    void            WipeOptions();
    int             ValidateOptions();

    CPLErr          ComputeSourceWindow( int nDstXOff, int nDstYOff, 
                                         int nDstXSize, int nDstYSize,
                                         int *pnSrcXOff, int *pnSrcYOff, 
                                         int *pnSrcXSize, int *pnSrcYSize );

    CPLErr          CreateKernelMask( GDALWarpKernel *, int iBand, 
                                      const char *pszType );

    void            *hThread1Mutex;
    void            *hThread2Mutex;
    void            *hIOMutex;
    void            *hWarpMutex;

    int             nChunkListCount;
    int             nChunkListMax;
    int            *panChunkList;

    int             bReportTimings;
    unsigned long   nLastTimeReported;

    void            WipeChunkList();
    CPLErr          CollectChunkList( int nDstXOff, int nDstYOff, 
                                      int nDstXSize, int nDstYSize );
    void            ReportTiming( const char * );
    
public:
                    GDALWarpOperation();
    virtual        ~GDALWarpOperation();

    CPLErr          Initialize( const GDALWarpOptions *psNewOptions );

    const GDALWarpOptions         *GetOptions();

    CPLErr          ChunkAndWarpImage( int nDstXOff, int nDstYOff, 
                                       int nDstXSize, int nDstYSize );
    CPLErr          ChunkAndWarpMulti( int nDstXOff, int nDstYOff, 
                                       int nDstXSize, int nDstYSize );
    CPLErr          WarpRegion( int nDstXOff, int nDstYOff, 
                                int nDstXSize, int nDstYSize,
                                int nSrcXOff=0, int nSrcYOff=0,
                                int nSrcXSize=0, int nSrcYSize=0 );
    
    CPLErr          WarpRegionToBuffer( int nDstXOff, int nDstYOff, 
                                        int nDstXSize, int nDstYSize, 
                                        void *pDataBuf, 
                                        GDALDataType eBufDataType,
                                        int nSrcXOff=0, int nSrcYOff=0,
                                        int nSrcXSize=0, int nSrcYSize=0 );
};

#endif /* def __cplusplus */

CPL_C_START

typedef void * GDALWarpOperationH;

GDALWarpOperationH CPL_DLL GDALCreateWarpOperation(const GDALWarpOptions* );
void CPL_DLL GDALDestroyWarpOperation( GDALWarpOperationH );
CPLErr CPL_DLL GDALChunkAndWarpImage( GDALWarpOperationH, int, int, int, int );
CPLErr CPL_DLL GDALChunkAndWarpMulti( GDALWarpOperationH, int, int, int, int );
CPLErr CPL_DLL GDALWarpRegion( GDALWarpOperationH,
                               int, int, int, int, int, int, int, int );
CPLErr CPL_DLL GDALWarpRegionToBuffer( GDALWarpOperationH, int, int, int, int,
                                       void *, GDALDataType,
                                       int, int, int, int );

CPL_C_END

#endif /* ndef GDAL_ALG_H_INCLUDED */