[Gimp-user] lossless cropping?

Johan Vromans jvromans at squirrel.nl
Wed Feb 4 13:09:35 PST 2009


David Hodson <hodsond at ozemail.com.au> writes:

> > For Linux, there's of course the command line based
> > ImageMagick (http://www.imagemagick.org/). You can  do
> > really amazing stuff with it (see at http://www.imagemagick.org/Usage/).
> 
> But it doesn't do lossless jpeg processing!

No, it is just like the GIMP: it reads (hence decompresses) the image
and recompresses it when saving.

For lossless manipulation, use jpegtran and jhead. Of course,
cropping, flipping and rotating by right angles only.

-- Johan


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