1/* $Id: tif_codec.c 276 2010-06-30 12:18:30Z nijtmans $ */ 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 34static 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 73/* 74 * Compression schemes statically built into the library. 75 */ 76#ifdef VMS 77const TIFFCodec _TIFFBuiltinCODECS[] = { 78#else 79TIFFCodec _TIFFBuiltinCODECS[] = { 80#endif 81 { "None", COMPRESSION_NONE, TIFFInitDumpMode }, 82 { "LZW", COMPRESSION_LZW, TIFFInitLZW }, 83 { "PackBits", COMPRESSION_PACKBITS, TIFFInitPackBits }, 84 { "ThunderScan", COMPRESSION_THUNDERSCAN,TIFFInitThunderScan }, 85 { "NeXT", COMPRESSION_NEXT, TIFFInitNeXT }, 86 { "JPEG", COMPRESSION_JPEG, TIFFInitJPEG }, 87 { "Old-style JPEG", COMPRESSION_OJPEG, TIFFInitOJPEG }, 88 { "CCITT RLE", COMPRESSION_CCITTRLE, TIFFInitCCITTRLE }, 89 { "CCITT RLE/W", COMPRESSION_CCITTRLEW, TIFFInitCCITTRLEW }, 90 { "CCITT Group 3", COMPRESSION_CCITTFAX3, TIFFInitCCITTFax3 }, 91 { "CCITT Group 4", COMPRESSION_CCITTFAX4, TIFFInitCCITTFax4 }, 92 { "ISO JBIG", COMPRESSION_JBIG, TIFFInitJBIG }, 93 { "Deflate", COMPRESSION_DEFLATE, TIFFInitZIP }, 94 { "AdobeDeflate", COMPRESSION_ADOBE_DEFLATE , TIFFInitZIP }, 95 { "PixarLog", COMPRESSION_PIXARLOG, TIFFInitPixarLog }, 96 { "SGILog", COMPRESSION_SGILOG, TIFFInitSGILog }, 97 { "SGILog24", COMPRESSION_SGILOG24, TIFFInitSGILog }, 98 { NULL, 0, NULL } 99}; 100 101static int 102_notConfigured(TIFF* tif) 103{ 104 const TIFFCodec* c = TIFFFindCODEC(tif->tif_dir.td_compression); 105 char compression_code[20]; 106 107 sprintf( compression_code, "%d", tif->tif_dir.td_compression ); 108 TIFFErrorExt(tif->tif_clientdata, tif->tif_name, 109 "%s compression support is not configured", 110 c ? c->name : compression_code ); 111 return (0); 112} 113 114static int 115NotConfigured(TIFF* tif, int scheme) 116{ 117 (void) scheme; 118 119 tif->tif_decodestatus = FALSE; 120 tif->tif_setupdecode = _notConfigured; 121 tif->tif_encodestatus = FALSE; 122 tif->tif_setupencode = _notConfigured; 123 return (1); 124} 125 126/************************************************************************/ 127/* TIFFIsCODECConfigured() */ 128/************************************************************************/ 129 130/** 131 * Check whether we have working codec for the specific coding scheme. 132 * 133 * @return returns 1 if the codec is configured and working. Otherwise 134 * 0 will be returned. 135 */ 136 137int 138TIFFIsCODECConfigured(uint16 scheme) 139{ 140 const TIFFCodec* codec = TIFFFindCODEC(scheme); 141 142 if(codec == NULL) { 143 return 0; 144 } 145 if(codec->init == NULL) { 146 return 0; 147 } 148 if(codec->init != NotConfigured){ 149 return 1; 150 } 151 return 0; 152} 153 154/* 155 * Local Variables: 156 * mode: c 157 * c-basic-offset: 8 158 * fill-column: 78 159 * End: 160 */ 161