| <!doctype HTML public "-//W3O//DTD W3 HTML 2.0//EN"> |
| <HTML> |
| <HEAD> |
| <TITLE>gifflip</TITLE> |
| <link rev=made href=mailto:esr@snark.thyrsus.com> |
| </HEAD> |
| <BODY> |
| Go to <a href="index.html">index page</a>. |
| |
| <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"><esr@snark.thyrsus.com></A></ADDRESS> |
| </BODY> |
| </HTML> |
