10139N/A<!DOCTYPE REFENTRY PUBLIC "-//Sun Microsystems//DTD DocBook V3.0-Based SolBook Subset V2.0//EN" [

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10139N/A<!ENTITY synp-tt "SYNOPSIS">

10139N/A<!ENTITY cmd "TIFFswab">

10139N/A<!ENTITY % commonents SYSTEM "smancommon.ent">

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10139N/A<!ENTITY % gnomecommonents SYSTEM "gnomecommon.ent">

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10139N/A<!ENTITY suncopy "Copyright (c) 2004, Sun Microsystems, Inc. All Rights Reserved.">

10139N/A]>

10139N/A<?Pub UDT _bookmark _target>

10139N/A<?Pub Inc>

10139N/A<?PubInc>

10139N/A<refentry id="TIFFswab-3tiff">

10139N/A<refmeta><refentrytitle>TIFFswab</refentrytitle><manvolnum>3tiff</manvolnum>

10139N/A<refmiscinfo class="date">05 Apr 2004</refmiscinfo>

10139N/A<refmiscinfo class="sectdesc">&man3;</refmiscinfo>

10139N/A<refmiscinfo class="software">&release;</refmiscinfo>

10139N/A<refmiscinfo class="arch">generic</refmiscinfo>

10139N/A<refmiscinfo class="copyright">&suncopy;</refmiscinfo>

10139N/A</refmeta>

10139N/A<indexterm><primary>TIFFswab</primary></indexterm><indexterm><primary>byte-

10139N/Aand bit-swapping routines</primary></indexterm>

10139N/A<refnamediv id="TIFFswab-3tiff-name"><refdescriptor>TIFFswab</refdescriptor>

10139N/A<refname>TIFFGetBitRevTable<?Pub Caret></refname><refname>TIFFReverseBits

10139N/A</refname><refname>TIFFSwabShort</refname><refname>TIFFSwabLong</refname>

10139N/A<refname>TIFFSwabArrayOfShort</refname><refname>TIFFSwabArrayOfLong</refname>

10139N/A<refpurpose>byte- and bit-swapping routines</refpurpose></refnamediv>

10139N/A<refsect1 id="TIFFswab-3tiff-synp"><title>&synp-tt;</title>

10139N/A<programlisting>#include &lt;tiffio.h>

10139N/Aconst unsigned char* TIFFGetBitRevTable(int reversed);

10139N/Avoid TIFFReverseBits(u_char* data, unsigned long nbytes)

10139N/Avoid TIFFSwabShort(uint16* data)

10139N/Avoid TIFFSwabLong(uint32* data)

10139N/Avoid TIFFSwabArrayOfShort(uint16* data, unsigned long nshorts)

10139N/Avoid TIFFSwabArrayOfLong(uint32* data, unsigned long nlongs)

10139N/A

10139N/A</programlisting>

10139N/A</refsect1>

10139N/A<refsect1 id="TIFFswab-3tiff-desc"><title>&desc-tt;</title>

10139N/A<para>The following routines are used by the library to swap 16- and 32-bit

10139N/Adata and to reverse the order of bits in bytes.</para>

10139N/A<para><literal>TIFFSwabShort</literal> and <literal>TIFFSwabLong</literal>

10139N/Aswap the bytes in a single 16-bit and 32-bit item, respectively.</para>

10139N/A<para><literal>TIFFSwabArrayOfShort</literal> and <literal>TIFFSwabArrayOfLong

10139N/A</literal> swap the bytes in an array of 16-bit and 32-bit items, respectively.

10139N/A</para>

10139N/A<para><literal>TIFFReverseBits</literal> replaces each byte in data with the

10139N/Aequivalent bit-reversed value. This operation is done with a lookup table, <literal>

10139N/ATIFFBitRevTable</literal>, which is declared public. A second table, <literal>

10139N/ATIFFNoBitRevTable</literal>, is also declared public, and is a lookup table

10139N/Athat can be used as an identity function. That is, <literal>TIFFNoBitRevTable[n]

10139N/A== n</literal>.</para>

10139N/A</refsect1>

10139N/A<refsect1 id="TIFFswab-3tiff-attr"><title>&attr-tt;</title>

10139N/A<para>See <olink targetdocent="REFMAN5" localinfo="attributes-5"><citerefentry>

10139N/A<refentrytitle>attributes</refentrytitle><manvolnum>5</manvolnum></citerefentry></olink>

10139N/Afor descriptions of the following attributes:</para>

10139N/A<informaltable frame="all">

10139N/A<tgroup cols="2" colsep="1" rowsep="1"><colspec colname="COLSPEC0" colwidth="1*">

10139N/A<colspec colname="COLSPEC1" colwidth="1*">

10139N/A<thead>

10139N/A<row><entry align="center" valign="middle">ATTRIBUTE TYPE</entry><entry align="center"

10139N/Avalign="middle">ATTRIBUTE VALUE</entry></row>

10139N/A</thead>

10139N/A<tbody>

18745N/A<row><entry><para>Availability</para></entry><entry><para>image/library/libtiff</para></entry>

10139N/A</row>

10139N/A<row><entry colname="COLSPEC0"><para>Interface stability</para></entry><entry

13623N/Acolname="COLSPEC1"><para>Uncommitted</para></entry></row>

10139N/A</tbody>

10139N/A</tgroup>

10139N/A</informaltable>

10139N/A</refsect1>

10139N/A<refsect1 id="TIFFswab-3tiff-also"><title>&also-tt;</title>

10139N/A<para><citerefentry><refentrytitle>libtiff</refentrytitle><manvolnum>3</manvolnum>

10139N/A</citerefentry></para>

10139N/A</refsect1>

10139N/A<refsect1 id="TIFFswab-3tiff-note"><title>&note-tt;</title>

10139N/A<para>This man page was originally written by Sam Leffler. Updated by Breda

10139N/AMcColgan, Sun Microsystems Inc., 2004.</para>

10139N/A</refsect1>

10139N/A</refentry>

10139N/A<?Pub *0000004161>