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August 2004
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2004.08.27 05:38 "Copy custom TIFF tags", by Sachin Garg
When using tiffcp (v3.7.0alpha), I noticed that it does not copies
custom tiff tags.
The directory reading/writting routines support the custom tiff tags
(by maintaining an expanding list of such tags).
I was trying to copy custom tags too (using the code copied below) but
it aint working correctly. I guess I am able to read the values fine,
but something wrong happens while trying to write.
===========
uint32 count;
int i;
count = (short) TIFFGetTagListCount(in);
for( i = 0; i < count; i++ )
{
ttag_t tag = TIFFGetTagListEntry( in, i );
{
short value_count;
int j;
void *raw_data;
if( TIFFGetField( in, tag, &value_count, &raw_data ) != 1 )
continue;
TIFFSetField(out, tag, value_count, raw_data);
}
}
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