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Open Source Computer Vision Library
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68 lines
2.2 KiB
68 lines
2.2 KiB
15 years ago
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/* $Header: /home/vp/work/opencv-cvsbackup/opencv/3rdparty/libtiff/tif_flush.c,v 1.1 2005-06-17 13:54:52 vp153 Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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* Copyright (c) 1991-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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/*
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* TIFF Library.
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*/
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#include "tiffiop.h"
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int
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TIFFFlush(TIFF* tif)
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{
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if (tif->tif_mode != O_RDONLY) {
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if (!TIFFFlushData(tif))
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return (0);
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if ((tif->tif_flags & TIFF_DIRTYDIRECT) &&
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!TIFFWriteDirectory(tif))
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return (0);
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}
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return (1);
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}
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/*
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* Flush buffered data to the file.
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*
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* Frank Warmerdam'2000: I modified this to return 1 if TIFF_BEENWRITING
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* is not set, so that TIFFFlush() will proceed to write out the directory.
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* The documentation says returning 1 is an error indicator, but not having
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* been writing isn't exactly a an error. Hopefully this doesn't cause
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* problems for other people.
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*/
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int
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TIFFFlushData(TIFF* tif)
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{
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if ((tif->tif_flags & TIFF_BEENWRITING) == 0)
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return (0);
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if (tif->tif_flags & TIFF_POSTENCODE) {
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tif->tif_flags &= ~TIFF_POSTENCODE;
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if (!(*tif->tif_postencode)(tif))
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return (0);
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}
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return (TIFFFlushData1(tif));
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}
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