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61 lines
1.3 KiB
HTML
61 lines
1.3 KiB
HTML
<!doctype HTML public "-//W3O//DTD W3 HTML 2.0//EN">
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<HTML>
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<HEAD>
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<TITLE>gifflip</TITLE>
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<link rev=made href=mailto:esr@snark.thyrsus.com>
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</HEAD>
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<BODY>
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Go to <a href="index.html">index page</a>.
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<CENTER><H1>gifflip</H1></CENTER>
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A program to flip (mirror) GIF file along X or Y axes, or rotate the GIF
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file 90 degrees to the left or to the right.<P>
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<H1>Usage:</H1>
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<pre>
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gifflip [-q] [-r] [-l] [-x] [-y] [-h] gif-file
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</pre>
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If no gif-file is given, GifFlip will try to read a GIF file from stdin.<P>
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<H1>Memory required:</H1>
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Image.
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<H1>Options:</H1>
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<DL>
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<DT> [-q]
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<DD> Quiet mode. Default off on MSDOS, on under UNIX. Controls printout
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of running scan lines. Use -q- to invert.<P>
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<DT> [-r]
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<DD> Rotate the GIF file to the right.<P>
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<DT> [-l]
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<DD> Rotate the GIF file to the left.<P>
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<DT> [-x]
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<DD> Mirror the GIF file along the X axis. Very useful if GIF file was
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created from another format in with the first line in at image bottom.
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Effectively exchanges first row with last.<P>
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<DT> [-y]
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<DD> Mirror the GIF file along Y axis.
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Effectively exchanges first column with last.<P>
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<DT> [-h]
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<DD> Print one line of command line help, similar to Usage above.<P>
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</DL>
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<H1>Author:</H1>
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Gershon Elber
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<HR>
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<ADDRESS>Eric S. Raymond <A HREF="mailto:esr@thyrsus.com"><esr@snark.thyrsus.com></A></ADDRESS>
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</BODY>
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</HTML>
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