dll/3rdparty/libtiff/tif_codec.c

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