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<html>
<head>
<title>
PPMB_IO - Read and Write binary Portable Pixel Map (PPM) Files
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
PPMB_IO <br> binary Portable Pixel Map (PPM) Files <br>
Read and Write Utilities
</h1>
<hr>
<p>
<b>PPMB_IO</b>
is a C++ library which
reads and writes files in the binary Portable Pixel Map (PPM) format
for 2D color graphics information.
</p>
<p>
There are many graphics programs, such as XV and GIMP, that can
display images in this format, or translate them to other formats
such as BMP, GIF, JPEG, MacPaint, X Window, and so on.
</p>
<h3 align = "center">
Licensing:
</h3>
<p>
The computer code and data files described and made available on this web page
are distributed under
<a href = "../../txt/gnu_lgpl.txt">the GNU LGPL license.</a>
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>PPMB_IO</b> is available in
<a href = "../../c_src/ppmb_io/ppmb_io.html">a C version</a> and
<a href = "../../cpp_src/ppmb_io/ppmb_io.html">a C++ version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../cpp_src/bmp_to_ppmb/bmp_to_ppmb.html">
BMP_TO_PPMB</a>,
a C++ program which
converts BMP files to binary Portable Pixel Map (PPM) files.
</p>
<p>
<a href = "../../cpp_src/pbmb_io/pbmb_io.html">
PBMB_IO</a>,
a C++ library which
can read or write binary Portable Bit Map (PBM) files.
</p>
<p>
<a href = "../../cpp_src/pgmb_io/pgmb_io.html">
PGMB_IO</a>,
a C++ library which
can read or write binary Portable Gray Map (PGM) files.
</p>
<p>
<a href = "../../cpp_src/ppma_io/ppma_io.html">
PPMA_IO</a>,
a C++ library which
can read or write ASCII Portable Pixel Map (PPM) files.
</p>
<p>
<a href = "../../cpp_src/ppma_to_ppmb/ppma_to_ppmb.html">
PPMA_TO_PPMB</a>,
a C++ program which
converts ASCII Portable Pixel Map (PPM) files to binary PPM files.
</p>
<p>
<a href = "../../cpp_src/ppmb_to_bmp/ppmb_to_bmp.html">
PPMB_TO_BMP</a>,
a C++ program which
converts binary Portable Pixel Map (PPM) files to BMP files.
</p>
<p>
<a href = "../../cpp_src/ppmb_to_ppma/ppmb_to_ppma.html">
PPMB_TO_PPMA</a>,
a C++ program which
converts binary Portable Pixel Map (PPM) files to ASCII PPM files.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
<a href = "../../data/ppmb/ppmb.html">the PPMB Data page</a>.
</li>
<li>
<a href = "http://netpbm.sourceforge.net/">the NETPBM homepage</a>.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "ppmb_io.cpp">ppmb_io.cpp</a>, the source code;
</li>
<li>
<a href = "ppmb_io.hpp">ppmb_io.hpp</a>, the include file;
</li>
<li>
<a href = "ppmb_io.sh">ppmb_io.sh</a>,
commands to compile the source code;
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "ppmb_io_prb.cpp">ppmb_io_prb.cpp</a>,
the sample calling program.
</li>
<li>
<a href = "ppmb_io_prb.sh">ppmb_io_prb.sh</a>,
commands to compile, link and run the sample calling program.
</li>
<li>
<a href = "ppmb_io_prb_output.txt">ppmb_io_prb_output.txt</a>,
the output file.
</li>
<li>
<a href = "ppmb_io_prb.ppm">ppmb_io_prb.ppm</a>,
a binary PPM file created by the program.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>I4_MAX</b> returns the maximum of two integers.
</li>
<li>
<b>PPMB_CHECK_DATA</b> checks the data for a binary portable pixel map file.
</li>
<li>
<b>PPMB_EXAMPLE</b> sets up some RGB data.
</li>
<li>
<b>PPMB_READ</b> reads the header and data from a binary portable pixel map file.
</li>
<li>
<b>PPMB_READ_DATA</b> reads the data in a binary portable pixel map file.
</li>
<li>
<b>PPMB_READ_HEADER</b> reads the header of a binary portable pixel map file.
</li>
<li>
<b>PPMB_READ_TEST</b> tests the binary portable pixel map read routines.
</li>
<li>
<b>PPMB_WRITE</b> writes the header and data for a binary portable pixel map file.
</li>
<li>
<b>PPMB_WRITE_DATA</b> writes the data for a binary portable pixel map file.
</li>
<li>
<b>PPMB_WRITE_HEADER</b> writes the header of a binary portable pixel map file.
</li>
<li>
<b>PPMB_WRITE_TEST</b> tests the binary portable pixel map write routines.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../cpp_src.html">
the C++ source codes</a>.
</p>
<hr>
<i>
Last revised on 26 September 2008.
</i>
<!-- John Burkardt -->
</body>
</html>