mirror of
https://github.com/openharmony/third_party_giflib.git
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mamingshuai
111 lines
2.7 KiB
XML
111 lines
2.7 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE refentry PUBLIC
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"-//OASIS//DTD DocBook XML V4.1.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
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<refentry id='giftext.1'>
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<refentryinfo><date>2 May 2012</date></refentryinfo>
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<refmeta>
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<refentrytitle>giftext</refentrytitle>
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<manvolnum>1</manvolnum>
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<refmiscinfo class="source">GIFLIB</refmiscinfo>
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<refmiscinfo class="manual">GIFLIB Documentation</refmiscinfo>
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</refmeta>
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<refnamediv id='name'>
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<refname>giftext</refname>
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<refpurpose>dump GIF pixels and metadata as text</refpurpose>
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</refnamediv>
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<refsynopsisdiv id='synopsis'>
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<cmdsynopsis>
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<command>giftext</command>
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<arg choice='opt'>-v</arg>
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<arg choice='opt'>-c</arg>
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<arg choice='opt'>-e</arg>
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<arg choice='opt'>-z</arg>
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<arg choice='opt'>-p</arg>
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<arg choice='opt'>-r</arg>
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<arg choice='opt'>-h</arg>
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<arg choice='opt'><replaceable>gif-file</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1><title>Description</title>
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<para>A program to dump (text only) general information about GIF file.</para>
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<para>If no GIF file is given, giftext will try to read a GIF file
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from stdin.</para>
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</refsect1>
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<refsect1><title>Options</title>
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<variablelist>
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<varlistentry>
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<term>-v</term>
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<listitem>
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<para> Verbose mode (show progress).
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Enables printout of running scan lines. </para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>-c</term>
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<listitem>
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<para> Dumps the color maps.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>-e</term>
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<listitem>
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<para> Dumps encoded bytes - the pixels after compressed using LZ
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algorithm and chained to form bytes. This is the form the data is
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saved in the GIF file. Dumps in hex - 2 digit per byte.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>-z</term>
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<listitem>
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<para> Dumps the LZ codes of the image. Dumps in hex - 3 digits per
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code (as we are limited to 12 bits).</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>-p</term>
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<listitem>
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<para> Dumps the pixels of the image. Dumps in hex - 2 digit per
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pixel (<=byte).</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>-r</term>
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<listitem>
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<para> Dumps raw pixels as one byte per pixel. This option inhibits
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all other options and only the pixels are dumped. This option may be
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used to convert GIF files into raw data. Note: the color map can be
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extracted by gifclrmp utility. If more than one image is included in
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the file, all images will be dumped in order.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>-h</term>
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<listitem>
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<para> Print one line of command line help, similar to Usage
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above.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1><title>Author</title>
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<para>Gershon Elber.</para>
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</refsect1>
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</refentry>
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