Pictures from ECOOP

Bert Freudenberg bert at
Fri Sep 8 08:41:23 UTC 2000

On Fri, 8 Sep 2000, Ian Piumarta wrote:

> > p.s. How do people normally rotate JPEGs and then save them again in a file?
> On Unix: xv is the easiest way, otherwise gimp can do it.  On MacOS:
> "Graphics Converter" (freeware) knows how.  Otherwise, buy a real
> computer.  ;-)

No no no - in Unix, there's jpegtran, which does lossless JPEG transforms!
Simply do a "jpegtran -rotate 90 in.jpg > out.jpg"
It comes with libjpeg, see for a man

-- Bert

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