third_party/tiff_v403/tif_extension.c - Issue 1563103002: XFA: Upgrade to libtiff 4.0.6.

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Issue 1563103002: XFA: Upgrade to libtiff 4.0.6. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa

Patch Set: rename to libtiff Created 4 years, 11 months ago

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1 /* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_extension.c,v 1.7 2010-03- 10 18:56:48 bfriesen 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 * Various routines support external extension of the tag set, and other

31 * application extension capabilities.

32 */

33 #include "tiffiop.h"

34

35 int TIFFGetTagListCount( TIFF *tif )

36

37 {

38 TIFFDirectory* td = &tif->tif_dir;

39

40 return td->td_customValueCount;

41 }

42

43 uint32 TIFFGetTagListEntry( TIFF *tif, int tag_index )

44

45 {

46 TIFFDirectory* td = &tif->tif_dir;

47

48 if( tag_index < 0 \|\| tag_index >= td->td_customValueCount )

49 return (uint32)(-1);

50 else

51 return td->td_customValues[tag_index].info->field_tag;

52 }

53

54 /*

55 ** This provides read/write access to the TIFFTagMethods within the TIFF

56 ** structure to application code without giving access to the private

57 ** TIFF structure.

58 */

59 TIFFTagMethods TIFFAccessTagMethods( TIFF tif )

60

61 {

62 return &(tif->tif_tagmethods);

63 }

64

65 void TIFFGetClientInfo( TIFF tif, const char *name )

66

67 {

68 TIFFClientInfoLink *link = tif->tif_clientinfo;

69

70 while( link != NULL && strcmp(link->name,name) != 0 )

71 link = link->next;

72

73 if( link != NULL )

74 return link->data;

75 else

76 return NULL;

77 }

78

79 void TIFFSetClientInfo( TIFF tif, void data, const char *name )

80

81 {

82 TIFFClientInfoLink *link = tif->tif_clientinfo;

83

84 /*

85 ** Do we have an existing link with this name? If so, just

86 ** set it.

87 */

88 while( link != NULL && strcmp(link->name,name) != 0 )

89 link = link->next;

90

91 if( link != NULL )

92 {

93 link->data = data;

94 return;

95 }

96

97 /*

98 ** Create a new link.

99 */

100

101 link = (TIFFClientInfoLink *) _TIFFmalloc(sizeof(TIFFClientInfoLink));

102 assert (link != NULL);

103 link->next = tif->tif_clientinfo;

104 link->name = (char *) _TIFFmalloc((tmsize_t)(strlen(name)+1));

105 assert (link->name != NULL);

106 strcpy(link->name, name);

107 link->data = data;

108

109 tif->tif_clientinfo = link;

110 }

111 /*

112 * Local Variables:

113 * mode: c

114 * c-basic-offset: 8

115 * fill-column: 78

116 * End:

117 */

118

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