libs/tiff/libtiff/tif_codec.c

   1 /*
   2  * Copyright (c) 1988-1997 Sam Leffler
   3  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
   4  *
   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.
  12  *
  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.
  16  *
  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
  22  * OF THIS SOFTWARE.
  23  */
  24
  25 /*
  26  * TIFF Library
  27  *
  28  * Builtin Compression Scheme Configuration Support.
  29  */
  30 #include "tiffiop.h"
  31
  32 static int NotConfigured(TIFF *, int);
  33
  34 #ifndef LZW_SUPPORT
  35 #define TIFFInitLZW NotConfigured
  36 #endif
  37 #ifndef PACKBITS_SUPPORT
  38 #define TIFFInitPackBits NotConfigured
  39 #endif
  40 #ifndef THUNDER_SUPPORT
  41 #define TIFFInitThunderScan NotConfigured
  42 #endif
  43 #ifndef NEXT_SUPPORT
  44 #define TIFFInitNeXT NotConfigured
  45 #endif
  46 #ifndef JPEG_SUPPORT
  47 #define TIFFInitJPEG NotConfigured
  48 #endif
  49 #ifndef OJPEG_SUPPORT
  50 #define TIFFInitOJPEG NotConfigured
  51 #endif
  52 #ifndef CCITT_SUPPORT
  53 #define TIFFInitCCITTRLE NotConfigured
  54 #define TIFFInitCCITTRLEW NotConfigured
  55 #define TIFFInitCCITTFax3 NotConfigured
  56 #define TIFFInitCCITTFax4 NotConfigured
  57 #endif
  58 #ifndef JBIG_SUPPORT
  59 #define TIFFInitJBIG NotConfigured
  60 #endif
  61 #ifndef ZIP_SUPPORT
  62 #define TIFFInitZIP NotConfigured
  63 #endif
  64 #ifndef PIXARLOG_SUPPORT
  65 #define TIFFInitPixarLog NotConfigured
  66 #endif
  67 #ifndef LOGLUV_SUPPORT
  68 #define TIFFInitSGILog NotConfigured
  69 #endif
  70 #ifndef LERC_SUPPORT
  71 #define TIFFInitLERC NotConfigured
  72 #endif
  73 #ifndef LZMA_SUPPORT
  74 #define TIFFInitLZMA NotConfigured
  75 #endif
  76 #ifndef ZSTD_SUPPORT
  77 #define TIFFInitZSTD NotConfigured
  78 #endif
  79 #ifndef WEBP_SUPPORT
  80 #define TIFFInitWebP NotConfigured
  81 #endif
  82
  83 /*
  84  * Compression schemes statically built into the library.
  85  */
  86 const TIFFCodec _TIFFBuiltinCODECS[] = {
  87     {"None", COMPRESSION_NONE, TIFFInitDumpMode},
  88     {"LZW", COMPRESSION_LZW, TIFFInitLZW},
  89     {"PackBits", COMPRESSION_PACKBITS, TIFFInitPackBits},
  90     {"ThunderScan", COMPRESSION_THUNDERSCAN, TIFFInitThunderScan},
  91     {"NeXT", COMPRESSION_NEXT, TIFFInitNeXT},
  92     {"JPEG", COMPRESSION_JPEG, TIFFInitJPEG},
  93     {"Old-style JPEG", COMPRESSION_OJPEG, TIFFInitOJPEG},
  94     {"CCITT RLE", COMPRESSION_CCITTRLE, TIFFInitCCITTRLE},
  95     {"CCITT RLE/W", COMPRESSION_CCITTRLEW, TIFFInitCCITTRLEW},
  96     {"CCITT Group 3", COMPRESSION_CCITTFAX3, TIFFInitCCITTFax3},
  97     {"CCITT Group 4", COMPRESSION_CCITTFAX4, TIFFInitCCITTFax4},
  98     {"ISO JBIG", COMPRESSION_JBIG, TIFFInitJBIG},
  99     {"Deflate", COMPRESSION_DEFLATE, TIFFInitZIP},
 100     {"AdobeDeflate", COMPRESSION_ADOBE_DEFLATE, TIFFInitZIP},
 101     {"PixarLog", COMPRESSION_PIXARLOG, TIFFInitPixarLog},
 102     {"SGILog", COMPRESSION_SGILOG, TIFFInitSGILog},
 103     {"SGILog24", COMPRESSION_SGILOG24, TIFFInitSGILog},
 104     {"LZMA", COMPRESSION_LZMA, TIFFInitLZMA},
 105     {"ZSTD", COMPRESSION_ZSTD, TIFFInitZSTD},
 106     {"WEBP", COMPRESSION_WEBP, TIFFInitWebP},
 107     {"LERC", COMPRESSION_LERC, TIFFInitLERC},
 108     {NULL, 0, NULL}};
 109
 110 static int _notConfigured(TIFF *tif)
 111 {
 112     const TIFFCodec *c = TIFFFindCODEC(tif->tif_dir.td_compression);
 113     char compression_code[20];
 114
 115     snprintf(compression_code, sizeof(compression_code), "%" PRIu16,
 116              tif->tif_dir.td_compression);
 117     TIFFErrorExtR(tif, tif->tif_name,
 118                   "%s compression support is not configured",
 119                   c ? c->name : compression_code);
 120     return (0);
 121 }
 122
 123 static int NotConfigured(TIFF *tif, int scheme)
 124 {
 125     (void)scheme;
 126
 127     tif->tif_fixuptags = _notConfigured;
 128     tif->tif_decodestatus = FALSE;
 129     tif->tif_setupdecode = _notConfigured;
 130     tif->tif_encodestatus = FALSE;
 131     tif->tif_setupencode = _notConfigured;
 132     return (1);
 133 }
 134
 135 /************************************************************************/
 136 /*                       TIFFIsCODECConfigured()                        */
 137 /************************************************************************/
 138
 139 /**
 140  * Check whether we have working codec for the specific coding scheme.
 141  *
 142  * @return returns 1 if the codec is configured and working. Otherwise
 143  * 0 will be returned.
 144  */
 145
 146 int TIFFIsCODECConfigured(uint16_t scheme)
 147 {
 148     const TIFFCodec *codec = TIFFFindCODEC(scheme);
 149
 150     if (codec == NULL)
 151     {
 152         return 0;
 153     }
 154     if (codec->init == NULL)
 155     {
 156         return 0;
 157     }
 158     if (codec->init != NotConfigured)
 159     {
 160         return 1;
 161     }
 162     return 0;
 163 }