1 /* $Id: tif_codec.c,v 1.17 2015-08-19 02:31:04 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 * Builtin Compression Scheme Configuration Support.
31 */
32 #include "tiffiop.h"
33
34 static int NotConfigured(TIFF*, int);
35
36 #ifndef LZW_SUPPORT
37 #define TIFFInitLZW NotConfigured
38 #endif
39 #ifndef PACKBITS_SUPPORT
40 #define TIFFInitPackBits NotConfigured
41 #endif
42 #ifndef THUNDER_SUPPORT
43 #define TIFFInitThunderScan NotConfigured
44 #endif
45 #ifndef NEXT_SUPPORT
46 #define TIFFInitNeXT NotConfigured
47 #endif
48 #ifndef JPEG_SUPPORT
49 #define TIFFInitJPEG NotConfigured
50 #endif
51 #ifndef OJPEG_SUPPORT
52 #define TIFFInitOJPEG NotConfigured
53 #endif
54 #ifndef CCITT_SUPPORT
55 #define TIFFInitCCITTRLE NotConfigured
56 #define TIFFInitCCITTRLEW NotConfigured
57 #define TIFFInitCCITTFax3 NotConfigured
58 #define TIFFInitCCITTFax4 NotConfigured
59 #endif
60 #ifndef JBIG_SUPPORT
61 #define TIFFInitJBIG NotConfigured
62 #endif
63 #ifndef ZIP_SUPPORT
64 #define TIFFInitZIP NotConfigured
65 #endif
66 #ifndef PIXARLOG_SUPPORT
67 #define TIFFInitPixarLog NotConfigured
68 #endif
69 #ifndef LOGLUV_SUPPORT
70 #define TIFFInitSGILog NotConfigured
71 #endif
72 #ifndef LZMA_SUPPORT
73 #define TIFFInitLZMA NotConfigured
74 #endif
75
76 /*
77 * Compression schemes statically built into the library.
78 */
79 #ifdef VMS
80 const TIFFCodec _TIFFBuiltinCODECS[] = {
81 #else
82 TIFFCodec _TIFFBuiltinCODECS[] = {
83 #endif
84 { "None", COMPRESSION_NONE, TIFFInitDumpMode },
85 { "LZW", COMPRESSION_LZW, TIFFInitLZW },
86 { "PackBits", COMPRESSION_PACKBITS, TIFFInitPackBits },
87 { "ThunderScan", COMPRESSION_THUNDERSCAN,TIFFInitThunderScan },
88 { "NeXT", COMPRESSION_NEXT, TIFFInitNeXT },
89 { "JPEG", COMPRESSION_JPEG, TIFFInitJPEG },
90 { "Old-style JPEG", COMPRESSION_OJPEG, TIFFInitOJPEG },
91 { "CCITT RLE", COMPRESSION_CCITTRLE, TIFFInitCCITTRLE },
92 { "CCITT RLE/W", COMPRESSION_CCITTRLEW, TIFFInitCCITTRLEW },
93 { "CCITT Group 3", COMPRESSION_CCITTFAX3, TIFFInitCCITTFax3 },
94 { "CCITT Group 4", COMPRESSION_CCITTFAX4, TIFFInitCCITTFax4 },
95 { "ISO JBIG", COMPRESSION_JBIG, TIFFInitJBIG },
96 { "Deflate", COMPRESSION_DEFLATE, TIFFInitZIP },
97 { "AdobeDeflate", COMPRESSION_ADOBE_DEFLATE , TIFFInitZIP },
98 { "PixarLog", COMPRESSION_PIXARLOG, TIFFInitPixarLog },
99 { "SGILog", COMPRESSION_SGILOG, TIFFInitSGILog },
100 { "SGILog24", COMPRESSION_SGILOG24, TIFFInitSGILog },
101 { "LZMA", COMPRESSION_LZMA, TIFFInitLZMA },
102 { NULL, 0, NULL }
103 };
104
105 static int
_notConfigured(TIFF * tif)106 _notConfigured(TIFF* tif)
107 {
108 const TIFFCodec* c = TIFFFindCODEC(tif->tif_dir.td_compression);
109 char compression_code[20];
110
111 sprintf(compression_code, "%d",tif->tif_dir.td_compression );
112 TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
113 "%s compression support is not configured",
114 c ? c->name : compression_code );
115 return (0);
116 }
117
118 static int
NotConfigured(TIFF * tif,int scheme)119 NotConfigured(TIFF* tif, int scheme)
120 {
121 (void) scheme;
122
123 tif->tif_fixuptags = _notConfigured;
124 tif->tif_decodestatus = FALSE;
125 tif->tif_setupdecode = _notConfigured;
126 tif->tif_encodestatus = FALSE;
127 tif->tif_setupencode = _notConfigured;
128 return (1);
129 }
130
131 /************************************************************************/
132 /* TIFFIsCODECConfigured() */
133 /************************************************************************/
134
135 /**
136 * Check whether we have working codec for the specific coding scheme.
137 *
138 * @return returns 1 if the codec is configured and working. Otherwise
139 * 0 will be returned.
140 */
141
142 int
TIFFIsCODECConfigured(uint16 scheme)143 TIFFIsCODECConfigured(uint16 scheme)
144 {
145 const TIFFCodec* codec = TIFFFindCODEC(scheme);
146
147 if(codec == NULL) {
148 return 0;
149 }
150 if(codec->init == NULL) {
151 return 0;
152 }
153 if(codec->init != NotConfigured){
154 return 1;
155 }
156 return 0;
157 }
158
159 /*
160 * Local Variables:
161 * mode: c
162 * c-basic-offset: 8
163 * fill-column: 78
164 * End:
165 */
166