1<?xml version="1.0" encoding="ISO-8859-1"?> 2<!DOCTYPE refentry PUBLIC 3 "-//OASIS//DTD DocBook XML V4.1.2//EN" 4 "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []> 5<refentry id='gifclrmp.1'> 6<refentryinfo><date>2 May 2012</date></refentryinfo> 7<refmeta> 8<refentrytitle>gifclrmp</refentrytitle> 9<manvolnum>1</manvolnum> 10<refmiscinfo class="source">GIFLIB</refmiscinfo> 11<refmiscinfo class="manual">GIFLIB Documentation</refmiscinfo> 12</refmeta> 13<refnamediv id='name'> 14<refname>gifclrmp</refname> 15<refpurpose>extract colormaps from GIF images</refpurpose> 16</refnamediv> 17 18<refsynopsisdiv id='synopsis'> 19 20<cmdsynopsis> 21 <command>gifclrmp</command> 22 <arg choice='opt'>-v</arg> 23 <arg choice='opt'>-s</arg> 24 <arg choice='opt'>-l <replaceable>mapfile</replaceable></arg> 25 <arg choice='opt'>-t <replaceable>trans</replaceable></arg> 26 <arg choice='opt'>-g <replaceable>gamma</replaceable></arg> 27 <arg choice='opt'>-i <replaceable>image</replaceable></arg> 28 <arg choice='opt'>-h</arg> 29 <arg choice='opt'><replaceable>gif-file</replaceable></arg> 30</cmdsynopsis> 31</refsynopsisdiv> 32 33<refsect1><title>Description</title> 34 35<para>A program to modify GIF image colormaps. Any local colormap in 36a GIF file can be modified at a time, or the global screen one.</para> 37 38</refsect1> 39<refsect1><title>Options</title> 40 41<variablelist> 42<varlistentry> 43<term>-v</term> 44<listitem> 45<para> Verbose mode (show progress). 46Enables printout of running scan lines. </para> 47</listitem> 48</varlistentry> 49<varlistentry> 50<term>-s</term> 51<listitem> 52<para>Select the global screen color map.</para> 53</listitem> 54</varlistentry> 55<varlistentry> 56<term>-l mapfile</term> 57<listitem> 58<para> Load color map from this file instead of selected color 59map.</para> 60</listitem> 61</varlistentry> 62<varlistentry> 63<term>-t trans</term> 64<listitem> 65<para>Change color index values. The change is made to both the 66selected color table and the raster bits of the selected image. A 67translation file is a list of pairs of `before' and `after' index 68values. At present, the `before' index values must be in ascending 69order starting from 0.</para> 70</listitem> 71</varlistentry> 72<varlistentry> 73<term>-g gamma</term> 74<listitem> 75<para>Apply gamma correction to selected color map.</para> 76</listitem> 77</varlistentry> 78<varlistentry> 79<term>-i image</term> 80<listitem> 81<para>Select the color map of the numbered image.</para> 82</listitem> 83</varlistentry> 84<varlistentry> 85<term>-h</term> 86<listitem> 87<para>Print one command line help, similar to Usage above.</para> 88</listitem> 89</varlistentry> 90</variablelist> 91 92<para>If no GIF file is given, gifclip will try to read a GIF file 93from stdin.</para> 94 95</refsect1> 96<refsect1><title>Notes</title> 97 98<itemizedlist> 99<listitem> 100<para>The default operation is to dump out the selected color map in text 101format.</para> 102</listitem> 103<listitem> 104<para>The file to load/dump is simply one color map entry per line. Each such 105entry line has four integers: "ColorIndex Red Green Blue", where color 106index is in ascending order starting from 1.</para> 107</listitem> 108</itemizedlist> 109 110</refsect1> 111<refsect1><title>Author</title> 112 113<para>Gershon Elber.</para> 114 115</refsect1> 116</refentry> 117