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;
}
