Visualization Library 2.0.0-b5

A lightweight C++ OpenGL middleware for 2D/3D graphics

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tif_flush.c
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1 /* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_flush.c,v 1.3 2000/09/15 20:52:42 warmerda Exp $ */
2 
3 /*
4  * Copyright (c) 1988-1997 Sam Leffler
5  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
6  *
7  * Permission to use, copy, modify, distribute, and sell this software and
8  * its documentation for any purpose is hereby granted without fee, provided
9  * that (i) the above copyright notices and this permission notice appear in
10  * all copies of the software and related documentation, and (ii) the names of
11  * Sam Leffler and Silicon Graphics may not be used in any advertising or
12  * publicity relating to the software without the specific, prior written
13  * permission of Sam Leffler and Silicon Graphics.
14  *
15  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18  *
19  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24  * OF THIS SOFTWARE.
25  */
26 
27 /*
28  * TIFF Library.
29  */
30 #include "tiffiop.h"
31 
32 int
34 {
35 
36  if (tif->tif_mode != O_RDONLY) {
37  if (!TIFFFlushData(tif))
38  return (0);
39  if ((tif->tif_flags & TIFF_DIRTYDIRECT) &&
40  !TIFFWriteDirectory(tif))
41  return (0);
42  }
43  return (1);
44 }
45 
46 /*
47  * Flush buffered data to the file.
48  *
49  * Frank Warmerdam'2000: I modified this to return 1 if TIFF_BEENWRITING
50  * is not set, so that TIFFFlush() will proceed to write out the directory.
51  * The documentation says returning 1 is an error indicator, but not having
52  * been writing isn't exactly a an error. Hopefully this doesn't cause
53  * problems for other people.
54  */
55 int
57 {
58  if ((tif->tif_flags & TIFF_BEENWRITING) == 0)
59  return (0);
60  if (tif->tif_flags & TIFF_POSTENCODE) {
61  tif->tif_flags &= ~TIFF_POSTENCODE;
62  if (!(*tif->tif_postencode)(tif))
63  return (0);
64  }
65  return (TIFFFlushData1(tif));
66 }
67 
#define TIFF_BEENWRITING
Definition: tiffiop.h:105
#define TIFF_DIRTYDIRECT
Definition: tiffiop.h:102
Definition: tiffiop.h:95
int TIFFFlushData(TIFF *tif)
Definition: tif_flush.c:56
int tif_mode
Definition: tiffiop.h:98
int TIFFWriteDirectory(TIFF *tif)
Definition: tif_dirwrite.c:410
uint32 tif_flags
Definition: tiffiop.h:99
#define TIFF_POSTENCODE
Definition: tiffiop.h:111
TIFFBoolMethod tif_postencode
Definition: tiffiop.h:145
int TIFFFlush(TIFF *tif)
Definition: tif_flush.c:33
int TIFFFlushData1(TIFF *tif)
Definition: tif_write.c:696