glfs/general/graphlib/libjpeg/libjpeg-desc.xml

<sect2>
<title>Contents</title>

<para>The libjpeg package contains <userinput>cjpeg</userinput>,
<userinput>djpeg</userinput>, <userinput>jpegtran</userinput>,
<userinput>rdjpgcom</userinput>, <userinput>wrjpgcom</userinput> and
<filename>libjpeg</filename> libraries.</para>

</sect2>

<sect2><title>Description</title>

<sect3><title>cjpeg</title>
<para>cjpeg compresses image files to produce a JPEG/JFIF file on the standard
output.  Currently supported input file formats are: PPM (PBMPLUS color
format), PGM (PBMPLUS gray-scale format), BMP, and Targa.</para></sect3>

<sect3><title>djpeg</title>
<para>djpeg decompresses image files from JPEG/JFIF format to either PPM 
(PBMPLUS color format), PGM (PBMPLUS gray-scale format), BMP, or Targa
format.</para></sect3>

<sect3><title>jpegtran</title>
<para>jpegtran is used for lossless transformation of JPEG
files.</para></sect3>

<sect3><title>rdjpgcom</title>
<para>rdjpgcom displays text comments from within a JPEG
file.</para></sect3>

<sect3><title>wrjpgcom</title>
<para>wrjpgcom inserts text comments into a JPEG file.</para></sect3>

<sect3><title>jpeg libraries</title>
<para>These libraries are used by many programs for reading and writing
jpeg format files.</para></sect3>

</sect2>