C++ (Cpp) GDALRasterBlock::GetXSize примеры использования

Пример #1

Файл: vrtwarped.cpp Проект: Chaduke/bah.mod

CPLErr VRTWarpedRasterBand::IReadBlock( int nBlockXOff, int nBlockYOff,
                                     void * pImage )

{
    CPLErr eErr;
    VRTWarpedDataset *poWDS = (VRTWarpedDataset *) poDS;
    GDALRasterBlock *poBlock;

    poBlock = GetLockedBlockRef( nBlockXOff, nBlockYOff, TRUE );

    eErr = poWDS->ProcessBlock( nBlockXOff, nBlockYOff );

    if( eErr == CE_None && pImage != poBlock->GetDataRef() )
    {
        int nDataBytes;
        nDataBytes = (GDALGetDataTypeSize(poBlock->GetDataType()) / 8)
            * poBlock->GetXSize() * poBlock->GetYSize();
        memcpy( pImage, poBlock->GetDataRef(), nDataBytes );
    }

    poBlock->DropLock();

    return eErr;
}