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78 lines
1.8 KiB
HTML
78 lines
1.8 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>gifclrmp</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>gifclrmp</H1></CENTER>
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A program to modify GIF image colormaps. Any local colormap in a GIF file can
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be modified at a time, or the global screen one.<P>
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<H1>Usage:</H1>
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<pre>
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gifclrmap [-q] [-s] [-t trans] [-l map] [-g Gamma] [-i image] [-h] gif-file
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</pre>
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If no gif-file is given, GifClip will try to read a GIF file from stdin.<P>
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<H1>Memory required:</H1>
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Line.
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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. Defaults 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> [-s]
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<DD> Select the global screen color map.<P>
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<DT> [-l map]
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<DD> Load color map from this file instead of selected color map.<P>
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<DT> [-t trans]
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<DD> Change color index values. The change is made to both
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the selected color table and the raster bits of the selected image. A
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translation file is a list of pairs of `before' and `after' index values.
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At present, the `before' index values must be in ascending order starting
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from 0.<P>
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<DT> [-g Gamma]
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<DD> Apply gamma correction to selected color map.<P>
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<DT>[-i image]
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<DD> Select the color map of the numbered image.<P>
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<DT>[-h]
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<DD> Print one command line help, similar to Usage above.<P>
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</DL>
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<H1>Notes:</H1>
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<UL>
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<LI>
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The default operation is to dump out the selected color map in text
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format.<P>
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<LI>
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The file to load/dump is simply one color map entry per line. Each such
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entry line has four integers: "ColorIndex Red Green Blue", where color
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index is in ascending order starting from 1.<P>
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</UL>
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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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