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2008.03.18 10:55 "Re: encapsulate jpeg to TIFF without de-compressing andre-compressing", by Gerben Vos
Zhang Weiwu wrote: > Thanks for the comment. Is there userland tools available for this, or > do I have to write code? I haven't write any C code for very long time > since I left school. Sorry, you'll have to write it yourself, or ask one of us for a commercial offer... If you search for "jpeg2tiff" on the Internet, you'll find some tools, but I know none of them, so I don't know if they do what you want. (The jpeg2tiff.pl from batch-gimp does NOT do what you want, it decompresses and re-compresses the image.) It should be possible to lift the JPEG-analyzing code from http://www.pdflib.com/download/free-software/jpeg2ps/ and replace its PostScript-writing back-end with a TIFF-writing one. (But note that that code has a very restrictive license: it may not be sold or distributed commercially.) Gerben Vos.