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gifflip
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.
Usage:
gifflip [-q] [-r] [-l] [-x] [-y] [-h] gif-file
If no gif-file is given, GifFlip will try to read a GIF file from stdin.
Memory required:
Image.
Options:
- [-q]
- Quiet mode. Default off on MSDOS, on under UNIX. Controls printout
of running scan lines. Use -q- to invert.
- [-r]
- Rotate the GIF file to the right.
- [-l]
- Rotate the GIF file to the left.
- [-x]
- 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.
- [-y]
- Mirror the GIF file along Y axis.
Effectively exchanges first column with last.
- [-h]
- Print one line of command line help, similar to Usage above.
Author:
Gershon Elber
Eric S. Raymond <esr@snark.thyrsus.com>