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Open Source Computer Vision Library
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67 lines
2.2 KiB
67 lines
2.2 KiB
/* $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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