2 * Copyright (c) 1988-1997 Sam Leffler
3 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
5 * Permission to use, copy, modify, distribute, and sell this software and
6 * its documentation for any purpose is hereby granted without fee, provided
7 * that (i) the above copyright notices and this permission notice appear in
8 * all copies of the software and related documentation, and (ii) the names of
9 * Sam Leffler and Silicon Graphics may not be used in any advertising or
10 * publicity relating to the software without the specific, prior written
11 * permission of Sam Leffler and Silicon Graphics.
13 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
14 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
15 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
17 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
18 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
19 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
20 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
21 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
28 * Various routines support external extension of the tag set, and other
29 * application extension capabilities.
34 int TIFFGetTagListCount( TIFF
*tif
)
37 TIFFDirectory
* td
= &tif
->tif_dir
;
39 return td
->td_customValueCount
;
42 uint32
TIFFGetTagListEntry( TIFF
*tif
, int tag_index
)
45 TIFFDirectory
* td
= &tif
->tif_dir
;
47 if( tag_index
< 0 || tag_index
>= td
->td_customValueCount
)
50 return td
->td_customValues
[tag_index
].info
->field_tag
;
54 ** This provides read/write access to the TIFFTagMethods within the TIFF
55 ** structure to application code without giving access to the private
58 TIFFTagMethods
*TIFFAccessTagMethods( TIFF
*tif
)
61 return &(tif
->tif_tagmethods
);
64 void *TIFFGetClientInfo( TIFF
*tif
, const char *name
)
67 TIFFClientInfoLink
*psLink
= tif
->tif_clientinfo
;
69 while( psLink
!= NULL
&& strcmp(psLink
->name
,name
) != 0 )
70 psLink
= psLink
->next
;
78 void TIFFSetClientInfo( TIFF
*tif
, void *data
, const char *name
)
81 TIFFClientInfoLink
*psLink
= tif
->tif_clientinfo
;
84 ** Do we have an existing link with this name? If so, just
87 while( psLink
!= NULL
&& strcmp(psLink
->name
,name
) != 0 )
88 psLink
= psLink
->next
;
100 psLink
= (TIFFClientInfoLink
*) _TIFFmalloc(sizeof(TIFFClientInfoLink
));
101 assert (psLink
!= NULL
);
102 psLink
->next
= tif
->tif_clientinfo
;
103 psLink
->name
= (char *) _TIFFmalloc((tmsize_t
)(strlen(name
)+1));
104 assert (psLink
->name
!= NULL
);
105 strcpy(psLink
->name
, name
);
108 tif
->tif_clientinfo
= psLink
;