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<!DOCTYPE refentry PUBLIC
   "-//OASIS//DTD DocBook XML V4.1.2//EN"
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<refentry id='rgb2gif.1'>
<refentryinfo><date>2 May 2012</date></refentryinfo>
<refmeta>
<refentrytitle>rgb2gif</refentrytitle>
<manvolnum>1</manvolnum>
<refmiscinfo class="source">GIFLIB</refmiscinfo>
<refmiscinfo class="manual">GIFLIB Documentation</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>rgb2gif</refname>
<refpurpose>convert 24-bit images to GIF images using color quantization</refpurpose>
</refnamediv>

<refsynopsisdiv id='synopsis'>

<cmdsynopsis>
  <command>rgb2gif</command>
      <arg choice='opt'>-v</arg>
      <arg choice='opt'>-c <replaceable>colors</replaceable></arg>
      <arg choice='opt'>-1</arg>
      <arg choice='plain'>-s 
      		<replaceable>width</replaceable>
      		<replaceable>height</replaceable></arg>
      <arg choice='opt'>-h</arg>
      <arg choice='opt'><replaceable>rgb-file</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>

<refsect1><title>Options</title>

<variablelist>
<varlistentry>
<term>-v</term>
<listitem>
<para>Verbose mode (show progress).
Enables printout of running scan lines. </para>
</listitem>
</varlistentry>

<varlistentry>
<term>-c colors </term>
<listitem>
<para> Specifies number of colors to use, in bits per pixels,
so '-c 8' specifies actually 256 colors (maximum and default).</para>
</listitem>
</varlistentry>
   
<varlistentry>
<term>-1</term>
<listitem>
<para> Only one file in the format of RGBRGB... triplets (Each of R,
G, B is a byte) is read from input.  This file size is 3 * Width *
Height (see '-s' below.  If stdin is used for input, this option is
implicitly applied.  The default (if not '-1') is 3 files with the
names RGBFile.R, RGBFile.G, RGBFile.B, each of which is Width * Height
bytes.</para>
</listitem>
</varlistentry>
   
<varlistentry>
<term>-s width height</term>
<listitem>
<para> Specifies the size of the image to read.</para>
</listitem>
</varlistentry>

<varlistentry>
<term>-h</term>
<listitem>
<para> Print one line of command line help, similar to Usage
above.</para>
</listitem>
</varlistentry>
</variablelist>

<para>If no rgb-file is given, rgb2gif will try to read RGB data from
stdin.</para>

</refsect1>
<refsect1><title>Author</title>

<para>Gershon Elber.</para>

</refsect1>
</refentry>
