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#ifndef lint
static char rcsid[] = "$Header: /usr/people/sam/tiff/libtiff/RCS/tif_ccittrle.c,v 1.16 92/10/21 13:42:04 sam Exp $";
#endif
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
* Copyright (c) 1991, 1992 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.
*/
/*
* TIFF Library.
*
* CCITT Group 3 1-D Modified Huffman
* Run Length Encoding Compression Support
*/
#include "tiffiop.h"
#include "tif_fax3.h"
DECLARE1(TIFFInitCCITTRLE, TIFF*, tif)
{
TIFFInitCCITTFax3(tif); /* reuse G3 compression */
tif->tif_preencode = NULL;
tif->tif_postencode = NULL;
tif->tif_encoderow = TIFFNoRowEncode;
tif->tif_encodestrip = TIFFNoStripEncode;
tif->tif_encodetile = TIFFNoTileEncode;
tif->tif_close = NULL;
/*
* This magic causes the regular G3 decompression
* code to not skip to the EOL mark at the end of
* a row, and to flush input data to a byte boundary
* at the end of each row.
*/
tif->tif_options |= FAX3_NOEOL|FAX3_BYTEALIGN;
return (1);
}
int
DECLARE1(TIFFInitCCITTRLEW, TIFF*, tif)
{
TIFFInitCCITTFax3(tif); /* reuse G3 compression */
tif->tif_preencode = NULL;
tif->tif_postencode = NULL;
tif->tif_encoderow = TIFFNoRowEncode;
tif->tif_encodestrip = TIFFNoStripEncode;
tif->tif_encodetile = TIFFNoTileEncode;
tif->tif_close = NULL;
/*
* This magic causes the regular G3 decompression
* code to not skip to the EOL mark at the end of
* a row, and to flush input data to a byte boundary
* at the end of each row.
*/
tif->tif_options |= FAX3_NOEOL|FAX3_WORDALIGN;
return (1);
}
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