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58 lines
1.6 KiB
HTML
58 lines
1.6 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>gifcomb</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>gifcomb</H1></CENTER>
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A program to combine 2 GIF images of exactly the same size into one.
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The color maps are merged, but the result may not exceed 256 colors.
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A boolean mask GIF file can be used to set which pixel from two images
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to use at each location. Otherwise any background color from first
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image is converted to second image color at that point. Only the
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first image of each file is combined; again, all files' first images
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must be of exactly the same size.<P>
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<H1>Usage:</H1>
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<pre>
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gifcomb [-q] [-m MaskGIFFile] [-h] gif-file...
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</pre>
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Two GIF files must be specified; a third mask GIF file is optional.<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. 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> [-m MaskGIFFile]
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<DD> the MaskGIFfile can be regular GIF file whose first
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image has same dimensions as the combined images. Any non-background color
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in it will select Image 1 Pixel to output, otherwise Image2 pixel will be
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selected. Usually this image will be boolean (two colors only) but
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it does not have to be.<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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