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//proc/self/root/usr/share/doc/giflib-devel-4.1.3/gifflip.html

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<CENTER><H1>gifflip</H1></CENTER>

A program to flip (mirror) GIF file along X or Y axes, or rotate the GIF
file 90 degrees to the left or to the right.<P>

<H1>Usage:</H1>

<pre>
gifflip [-q] [-r] [-l] [-x] [-y] [-h] gif-file
</pre>

If no gif-file is given, GifFlip will try to read a GIF file from stdin.<P>

<H1>Memory required:</H1>

Image.

<H1>Options:</H1>

<DL>
<DT> [-q]
<DD> Quiet mode. Default off on MSDOS, on under UNIX.  Controls printout
   of running scan lines.  Use -q- to invert.<P>

<DT> [-r]
<DD> Rotate the GIF file to the right.<P>

<DT> [-l]
<DD> Rotate the GIF file to the left.<P>

<DT> [-x]
<DD> Mirror the GIF file along the X axis.  Very useful if GIF file was
   created from another format in with the first line in at image bottom.
   Effectively exchanges first row with last.<P>

<DT> [-y]
<DD> Mirror the GIF file along Y axis.
   Effectively exchanges first column with last.<P>

<DT> [-h]
<DD> Print one line of command line help, similar to Usage above.<P>
</DL>

<H1>Author:</H1>

Gershon Elber

<HR>
<ADDRESS>Eric S. Raymond <A HREF="mailto:esr@thyrsus.com">&lt;esr@snark.thyrsus.com&gt;</A></ADDRESS>
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