/*
* Like TIFFGetField, but return any default
* value if the tag is not present in the directory.
*/
int
TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...)
{
int ok;
va_list ap;
va_start(ap, tag);
ok = TIFFVGetFieldDefaulted(tif, tag, ap);
va_end(ap);
return (ok);
}
// It'd be nicer to define a bunch of type-safe functions like:
// uint32 PLTIFFDecoderEx::GetImageLength();
// CString PLTIFFDecoderEx::GetImageDescription();
int PLTIFFDecoder::GetField( int tag_id, ... )
{
va_list marker;
int retv;
va_start( marker, tag_id ); /* Initialize variable arguments. */
retv = TIFFVGetFieldDefaulted( m_pTif, (ttag_t) tag_id, marker );
va_end( marker ); /* Reset variable arguments. */
return retv;
}
