bool FileFormatInstance::ReadColorFilterArray( ColorFilterArray& cfa )
{
try
{
cfa = ColorFilterArray();
if ( (*API->FileFormat->BeginColorFilterArrayExtraction)( handle ) == api_false )
return false;
size_type patternLen = 0, nameLen = 0;
(*API->FileFormat->GetImageColorFilterArray)( handle, 0, &patternLen, 0, 0, 0, &nameLen );
bool ok = true;
if ( patternLen > 0 )
{
IsoString pattern;
pattern.SetLength( patternLen );
String name;
if ( nameLen > 0 )
name.SetLength( nameLen );
int32 width, height;
ok = (*API->FileFormat->GetImageColorFilterArray)( handle,
pattern.Begin(), &patternLen, &width, &height, name.Begin(), &nameLen ) != api_false;
if ( ok )
{
pattern.ResizeToNullTerminated();
name.ResizeToNullTerminated();
cfa = ColorFilterArray( pattern, width, height, name );
}
}
(*API->FileFormat->EndColorFilterArrayExtraction)( handle );
return ok;
}
catch ( ... )
{
(*API->FileFormat->EndColorFilterArrayExtraction)( handle );
throw;
}
}
void FileFormatImplementation::EndColorFilterArrayEmbedding()
{
if ( !m_data->colorFilterArray.IsEmpty() )
WriteColorFilterArray( m_data->colorFilterArray );
m_data->colorFilterArray = ColorFilterArray();
}
void FileFormatImplementation::BeginColorFilterArrayEmbedding()
{
BeginPrivate();
m_data->colorFilterArray = ColorFilterArray();
}
void FileFormatImplementation::EndColorFilterArrayExtraction()
{
m_data->colorFilterArray = ColorFilterArray();
}
ColorFilterArray FileFormatImplementation::ReadColorFilterArray()
{
MANDATORY( "ReadColorFilterArray" );
return ColorFilterArray();
}
