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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-09-01 13:56:46 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-09-01 13:56:46 +0200
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+<!-- Creator : groff version 1.18.1 -->
+<!-- CreationDate: Fri Jul 13 17:43:19 2007 -->
+<html>
+<head>
+<meta name="generator" content="groff -Thtml, see www.gnu.org">
+<meta name="Content-Style" content="text/css">
+<title>TIFF2RGBA</title>
+</head>
+<body>
+
+<h1 align=center>TIFF2RGBA</h1>
+<a href="#NAME">NAME</a><br>
+<a href="#SYNOPSIS">SYNOPSIS</a><br>
+<a href="#DESCRIPTION">DESCRIPTION</a><br>
+<a href="#OPTIONS">OPTIONS</a><br>
+<a href="#SEE ALSO">SEE ALSO</a><br>
+
+<hr>
+<a name="NAME"></a>
+<h2>NAME</h2>
+<!-- INDENTATION -->
+<table width="100%" border=0 rules="none" frame="void"
+ cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p>tiff2rgba &minus; convert a <small>TIFF</small> image to
+RGBA color space</p>
+</td>
+</table>
+<a name="SYNOPSIS"></a>
+<h2>SYNOPSIS</h2>
+<!-- INDENTATION -->
+<table width="100%" border=0 rules="none" frame="void"
+ cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p><b>tiff2rgba</b> [ <i>options</i> ] <i>input.tif
+output.tif</i></p>
+</td>
+</table>
+<a name="DESCRIPTION"></a>
+<h2>DESCRIPTION</h2>
+<!-- INDENTATION -->
+<table width="100%" border=0 rules="none" frame="void"
+ cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p><i>Tiff2rgba</i> converts a wide variety of TIFF images
+into an RGBA TIFF image. This includes the ability to
+translate different color spaces and photometric
+interpretation into RGBA, support for alpha blending, and
+translation of many different bit depths into a 32bit RGBA
+image.</p>
+<!-- INDENTATION -->
+<p>Internally this program is implemented using the
+<i>TIFFReadRGBAImage()</i> function, and it suffers any
+limitations of that image. This includes limited support for
+&gt; 8 BitsPerSample images, and flaws with some esoteric
+combinations of BitsPerSample, photometric interpretation,
+block organization and planar configuration.</p>
+<!-- INDENTATION -->
+<p>The generated images are stripped images with four
+samples per pixel (red, green, blue and alpha) or if the
+<b>&minus;n</b> flag is used, three samples per pixel (red,
+green, and blue). The resulting images are always planar
+configuration contiguous. For this reason, this program is a
+useful utility for transform exotic TIFF files into a form
+ingestible by almost any TIFF supporting software.</p>
+</td>
+</table>
+<a name="OPTIONS"></a>
+<h2>OPTIONS</h2>
+<!-- TABS -->
+<table width="100%" border=0 rules="none" frame="void"
+ cols="5" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="11%"></td>
+<td width="2%">
+
+<p><b>&minus;c</b></p>
+</td>
+<td width="5%"></td>
+<td width="80%">
+
+<p>Specify a compression scheme to use when writing image
+data: <b>&minus;c none</b> for no compression (the default),
+<b>&minus;c packbits</b> for the PackBits compression
+algorithm, <b>&minus;c zip</b> for the Deflate compression
+algorithm, <b>&minus;c jpeg</b> for the JPEG compression
+algorithm, and <b>&minus;c lzw</b> for Lempel-Ziv &amp;
+Welch.</p>
+</td>
+<td width="0%">
+</td>
+<tr valign="top" align="left">
+<td width="11%"></td>
+<td width="2%">
+
+<p><b>&minus;r</b></p>
+</td>
+<td width="5%"></td>
+<td width="80%">
+
+<p>Write data with a specified number of rows per strip; by
+default the number of rows/strip is selected so that each
+strip is approximately 8 kilobytes.</p>
+</td>
+<td width="0%">
+</td>
+<tr valign="top" align="left">
+<td width="11%"></td>
+<td width="2%">
+
+<p><b>&minus;b</b></p>
+</td>
+<td width="5%"></td>
+<td width="80%">
+
+<p>Process the image one block (strip/tile) at a time
+instead of by reading the whole image into memory at once.
+This may be necessary for very large images on systems with
+limited RAM.</p>
+</td>
+<td width="0%">
+</td>
+<tr valign="top" align="left">
+<td width="11%"></td>
+<td width="2%">
+
+<p><b>&minus;n</b></p>
+</td>
+<td width="5%"></td>
+<td width="80%">
+
+<p>Drop the alpha component from the output file, producing
+a pure RGB file. Currently this does not work if the
+<b>&minus;b</b> flag is also in effect.</p>
+</td>
+<td width="0%">
+</td>
+</table>
+<a name="SEE ALSO"></a>
+<h2>SEE ALSO</h2>
+<!-- INDENTATION -->
+<table width="100%" border=0 rules="none" frame="void"
+ cols="2" cellspacing="0" cellpadding="0">
+<tr valign="top" align="left">
+<td width="8%"></td>
+<td width="91%">
+<p><b>tiff2bw</b>(1), <b>TIFFReadRGBAImage</b>(3t),
+<b>libtiff</b>(3)</p>
+<!-- INDENTATION -->
+<p>Libtiff library home page:
+<b>http://www.remotesensing.org/libtiff/</b></p>
+</td>
+</table>
+<hr>
+</body>
+</html>