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-.\" $Id: tiff2rgba.1,v 1.4 2006/04/20 12:17:19 dron Exp $
-.\"
-.\" Copyright (c) 1988-1997 Sam Leffler
-.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
-.\"
-.\" Permission to use, copy, modify, distribute, and sell this software and
-.\" its documentation for any purpose is hereby granted without fee, provided
-.\" that (i) the above copyright notices and this permission notice appear in
-.\" all copies of the software and related documentation, and (ii) the names of
-.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
-.\" publicity relating to the software without the specific, prior written
-.\" permission of Sam Leffler and Silicon Graphics.
-.\"
-.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
-.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
-.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
-.\"
-.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
-.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
-.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
-.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
-.\" OF THIS SOFTWARE.
-.\"
-.if n .po 0
-.TH TIFF2RGBA 1 "November 2, 2005" "libtiff"
-.SH NAME
-tiff2rgba \- convert a
-.SM TIFF
-image to RGBA color space
-.SH SYNOPSIS
-.B tiff2rgba
-[
-.I options
-]
-.I input.tif
-.I output.tif
-.SH DESCRIPTION
-.I Tiff2rgba
-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
-Internally this program is implemented using the
-.I TIFFReadRGBAImage()
-function, and it suffers any limitations of that image. This includes
-limited support for > 8 BitsPerSample images, and flaws with some
-esoteric combinations of BitsPerSample, photometric interpretation,
-block organization and planar configuration.
-.P
-The generated images are stripped images with four samples per pixel
-(red, green, blue and alpha) or if the
-.B \-n
-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.
-.SH OPTIONS
-.TP
-.B \-c
-Specify a compression scheme to use when writing image data:
-.B "\-c none"
-for no compression (the default),
-.B "\-c packbits"
-for the PackBits compression algorithm,
-.B "\-c zip"
-for the Deflate compression algorithm,
-.B "\-c jpeg"
-for the JPEG compression algorithm,
-and
-.B "\-c lzw"
-for Lempel-Ziv & Welch.
-.TP
-.B \-r
-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.
-.TP
-.B \-b
-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.
-.TP
-.B \-n
-Drop the alpha component from the output file, producing a pure RGB file.
-Currently this does not work if the
-.B \-b
-flag is also in effect.
-.SH "SEE ALSO"
-.BR tiff2bw (1),
-.BR TIFFReadRGBAImage (3t),
-.BR libtiff (3)
-.PP
-Libtiff library home page:
-.BR http://www.remotesensing.org/libtiff/