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<html>
<head>
<title>
PPMA_IO - Read and Write Portable Pixel Map (ASCII) Files
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
PPMA_IO <br> Portable Pixel Map (ASCII) Files<br> Read and Write Utilities
</h1>
<hr>
<p>
<b>PPMA_IO</b>
is a C++ library which
reads and writes files in the
ASCII PPM (Portable Pixel Map)
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>PPMA_IO</b> is available in
<a href = "../../c_src/ppma_io/ppma_io.html">a C version</a> and
<a href = "../../cpp_src/ppma_io/ppma_io.html">a C++ version</a> and
<a href = "../../f77_src/ppma_io/ppma_io.html">a FORTRAN77 version</a> and
<a href = "../../f_src/ppma_io/ppma_io.html">a FORTRAN90 version</a> and
<a href = "../../m_src/ppma_io/ppma_io.html">a MATLAB version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../cpp_src/mandelbrot/mandelbrot.html">
MANDELBROT</a>,
a C++ program which
generates an ASCII Portable Pixel Map (PPM) image
of the Mandelbrot fractal set;
</p>
<p>
<a href = "../../cpp_src/pbma_io/pbma_io.html">
PBMA_IO<a>,
a C++ library which
handles the Portable Bit Map format.
</p>
<p>
<a href = "../../cpp_src/pgma_io/pgma_io.html">
PGMA_IO<a>,
a C++ library which
handles the Portable Gray Map format.
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
<a href = "../../data/ppma/ppma.html">the PPMA 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 = "ppma_io.cpp">ppma_io.cpp</a>, the source code;
</li>
<li>
<a href = "ppma_io.hpp">ppma_io.hpp</a>, the include file;
</li>
<li>
<a href = "ppma_io.sh">ppma_io.sh</a>,
commands to compile the source code;
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "ppma_io_prb.cpp">ppma_io_prb.cpp</a>,
the sample calling program.
</li>
<li>
<a href = "ppma_io_prb.sh">ppma_io_prb.sh</a>,
commands to compile, link and run the sample calling program.
</li>
<li>
<a href = "ppma_io_prb_output.txt">ppma_io_prb_output.txt</a>,
the output file.
</li>
<li>
<a href = "test01.ascii.ppm">test01.ascii.ppm</a>,
the ASCII PPM file from test 1.
</li>
<li>
<a href = "test01.png">test01.png</a>,
a PNG version of the file.
</li>
<li>
<a href = "test02.ascii.ppm">test02.ascii.ppm</a>,
the ASCII PPM file from test 2.
</li>
<li>
<a href = "test02.png">test02.png</a>,
a PNG version of the file.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>PPMA_CHECK_DATA</b> checks the data for an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_EXAMPLE</b> sets up some PPM data.
</li>
<li>
<b>PPMA_READ</b> reads the header and data from an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_READ_DATA</b> reads the data in an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_READ_HEADER</b> reads the header of an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_READ_TEST</b> tests the ASCII portable pixel map read routines.
</li>
<li>
<b>PPMA_WRITE</b> writes the header and data for an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_WRITE_DATA</b> writes the data for an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_WRITE_HEADER</b> writes the header of an ASCII portable pixel map file.
</li>
<li>
<b>PPMA_WRITE_TEST</b> tests the ASCII 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 27 May 2011.
</i>
<!-- John Burkardt -->
</body>
</html>