[XeTeX] jpg image and text overlapping

[Zdenek Wagner]

2014-08-04 23:52 GMT+02:00 Stefan Solbrig <stefan.solbrig at 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
>
>
>
>
>
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-- 
Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz