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2006.06.07 11:39 "Editing a tiff image using libtiff", by Sachin Garg
I am coding an application where I want to do a minor edit in a tiff image. The problem is that even a minor edit can change the compressed image size, and this will mean that all the offsets everywhere to all the tags/values after the compressed image data will have to updated. afaik, libtiff rewrites the entire tiff image with the directory at the end. However in cases where a user might have structured a tiff file as per his specific requirements, such restructuring for a minor edit may be too much to ask. I will like to be able to do this minor image edit while maintaining the existing tiff structure, but updating all the offsets seems an overwhelming task. Any suggestions on how I should tackle this situation? Unfortunately it seems I will not be able to use libtiff here. Sachin Garg [India] www.sachingarg.com | www.c10n.info