2014-08-04 23:52 GMT+02:00 Stefan Solbrig <stefan.solb...@ur.de>: >> OK, I can see that 'JFIF' in the tombe.jpg file. But it turns out it's >> not in my file at all, only the 'Exif' header is there. Our sysadmin guys >> haven't installed the suggested exiftool tool yet; presumably exiftool will >> be capable of *adding* the JFIF header (which I gather should come before >> the Exif header, although apparently both headers want to be first). > > > You don't have to wait for sysadmins ;-) . Just get the tarball (the home > of exiftool seems to be http://www.sno.phy.queensu.ca/~phil/exiftool/) and > you can run the script from the tar directory. (Or by setting PATH and > PERL5LIB environment variables.) > > >> Turns out GIMP will also save it with both the JFIF and Exif headers, and >> that works with XeTeX, and has a batch method. So I guess I could use that. > > > As it as already been pointed out, be careful that the jpegs are not > re-encoded. If not done very carefully, it will degrade the image quality. > (Re-encoding a lossy format will loose even more information.) > And remember that it is lossy even if the quality is set to the maximum value.
> best, > Stefan > > > > > > -------------------------------------------------- > Subscriptions, Archive, and List information, etc.: > http://tug.org/mailman/listinfo/xetex -- Zdeněk Wagner http://hroch486.icpf.cas.cz/wagner/ http://icebearsoft.euweb.cz -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex