int IntergraphRasterBand::HandleUninstantiatedTile(int nBlockXOff, int nBlockYOff, void* pImage) { if( bTiled && pahTiles[nBlockXOff + nBlockYOff * nBlocksPerRow].Start == 0 ) { // ------------------------------------------------------------ // Uninstantieted tile, unique value // ------------------------------------------------------------ int nColor = pahTiles[nBlockXOff + nBlockYOff * nBlocksPerRow].Used; switch( GetColorInterpretation() ) { case GCI_RedBand: nColor >>= 16; break; case GCI_GreenBand: nColor >>= 8; break; default: break; } memset( pImage, nColor, nBlockXSize * nBlockYSize * GDALGetDataTypeSize( eDataType ) / 8 ); return TRUE; }
CPLErr GDALPamRasterBand::CloneInfo( GDALRasterBand *poSrcBand, int nCloneFlags ) { int bOnlyIfMissing = nCloneFlags & GCIF_ONLY_IF_MISSING; int bSuccess; int nSavedMOFlags = GetMOFlags(); PamInitialize(); /* -------------------------------------------------------------------- */ /* Supress NotImplemented error messages - mainly needed if PAM */ /* disabled. */ /* -------------------------------------------------------------------- */ SetMOFlags( nSavedMOFlags | GMO_IGNORE_UNIMPLEMENTED ); /* -------------------------------------------------------------------- */ /* Metadata */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_BAND_METADATA ) { if( poSrcBand->GetMetadata() != NULL ) { if( !bOnlyIfMissing || CSLCount(GetMetadata()) != CSLCount(poSrcBand->GetMetadata()) ) { SetMetadata( poSrcBand->GetMetadata() ); } } } /* -------------------------------------------------------------------- */ /* Band description. */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_BAND_DESCRIPTION ) { if( strlen(poSrcBand->GetDescription()) > 0 ) { if( !bOnlyIfMissing || strlen(GetDescription()) == 0 ) GDALPamRasterBand::SetDescription( poSrcBand->GetDescription()); } } /* -------------------------------------------------------------------- */ /* NODATA */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_NODATA ) { double dfNoData = poSrcBand->GetNoDataValue( &bSuccess ); if( bSuccess ) { if( !bOnlyIfMissing || GetNoDataValue( &bSuccess ) != dfNoData || !bSuccess ) GDALPamRasterBand::SetNoDataValue( dfNoData ); } } /* -------------------------------------------------------------------- */ /* Offset/scale */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_SCALEOFFSET ) { double dfOffset = poSrcBand->GetOffset( &bSuccess ); if( bSuccess ) { if( !bOnlyIfMissing || GetOffset() != dfOffset ) GDALPamRasterBand::SetOffset( dfOffset ); } double dfScale = poSrcBand->GetScale( &bSuccess ); if( bSuccess ) { if( !bOnlyIfMissing || GetScale() != dfScale ) GDALPamRasterBand::SetScale( dfScale ); } } /* -------------------------------------------------------------------- */ /* Unittype. */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_UNITTYPE ) { if( strlen(poSrcBand->GetUnitType()) > 0 ) { if( !bOnlyIfMissing || !EQUAL(GetUnitType(),poSrcBand->GetUnitType()) ) { GDALPamRasterBand::SetUnitType( poSrcBand->GetUnitType() ); } } } /* -------------------------------------------------------------------- */ /* ColorInterp */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_COLORINTERP ) { if( poSrcBand->GetColorInterpretation() != GCI_Undefined ) { if( !bOnlyIfMissing || poSrcBand->GetColorInterpretation() != GetColorInterpretation() ) GDALPamRasterBand::SetColorInterpretation( poSrcBand->GetColorInterpretation() ); } } /* -------------------------------------------------------------------- */ /* color table. */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_COLORTABLE ) { if( poSrcBand->GetColorTable() != NULL ) { if( !bOnlyIfMissing || GetColorTable() == NULL ) { GDALPamRasterBand::SetColorTable( poSrcBand->GetColorTable() ); } } } /* -------------------------------------------------------------------- */ /* Raster Attribute Table. */ /* -------------------------------------------------------------------- */ if( nCloneFlags & GCIF_RAT ) { const GDALRasterAttributeTable *poRAT = poSrcBand->GetDefaultRAT(); if( poRAT != NULL ) { if( !bOnlyIfMissing || GetDefaultRAT() == NULL ) { GDALPamRasterBand::SetDefaultRAT( poRAT ); } } } /* -------------------------------------------------------------------- */ /* Restore MO flags. */ /* -------------------------------------------------------------------- */ SetMOFlags( nSavedMOFlags ); return CE_None; }