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 */ 167