/* $Id: tif_codec.c,v 1.10.2.2 2010-06-08 18:50:41 bfriesen Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler * Copyright (c) 1991-1997 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Sam Leffler and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Sam Leffler and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* * TIFF Library * * Builtin Compression Scheme Configuration Support. */ #include "tiffiop.h" static int NotConfigured(TIFF*, int); #ifndef LZW_SUPPORT #define TIFFInitLZW NotConfigured #endif #ifndef PACKBITS_SUPPORT #define TIFFInitPackBits NotConfigured #endif #ifndef THUNDER_SUPPORT #define TIFFInitThunderScan NotConfigured #endif #ifndef NEXT_SUPPORT #define TIFFInitNeXT NotConfigured #endif #ifndef JPEG_SUPPORT #define TIFFInitJPEG NotConfigured #endif #ifndef OJPEG_SUPPORT #define TIFFInitOJPEG NotConfigured #endif #ifndef CCITT_SUPPORT #define TIFFInitCCITTRLE NotConfigured #define TIFFInitCCITTRLEW NotConfigured #define TIFFInitCCITTFax3 NotConfigured #define TIFFInitCCITTFax4 NotConfigured #endif #ifndef JBIG_SUPPORT #define TIFFInitJBIG NotConfigured #endif #ifndef ZIP_SUPPORT #define TIFFInitZIP NotConfigured #endif #ifndef PIXARLOG_SUPPORT #define TIFFInitPixarLog NotConfigured #endif #ifndef LOGLUV_SUPPORT #define TIFFInitSGILog NotConfigured #endif /* * Compression schemes statically built into the library. */ #ifdef VMS const TIFFCodec _TIFFBuiltinCODECS[] = { #else TIFFCodec _TIFFBuiltinCODECS[] = { #endif { "None", COMPRESSION_NONE, TIFFInitDumpMode }, { "LZW", COMPRESSION_LZW, TIFFInitLZW }, { "PackBits", COMPRESSION_PACKBITS, TIFFInitPackBits }, { "ThunderScan", COMPRESSION_THUNDERSCAN,TIFFInitThunderScan }, { "NeXT", COMPRESSION_NEXT, TIFFInitNeXT }, { "JPEG", COMPRESSION_JPEG, TIFFInitJPEG }, { "Old-style JPEG", COMPRESSION_OJPEG, TIFFInitOJPEG }, { "CCITT RLE", COMPRESSION_CCITTRLE, TIFFInitCCITTRLE }, { "CCITT RLE/W", COMPRESSION_CCITTRLEW, TIFFInitCCITTRLEW }, { "CCITT Group 3", COMPRESSION_CCITTFAX3, TIFFInitCCITTFax3 }, { "CCITT Group 4", COMPRESSION_CCITTFAX4, TIFFInitCCITTFax4 }, { "ISO JBIG", COMPRESSION_JBIG, TIFFInitJBIG }, { "Deflate", COMPRESSION_DEFLATE, TIFFInitZIP }, { "AdobeDeflate", COMPRESSION_ADOBE_DEFLATE , TIFFInitZIP }, { "PixarLog", COMPRESSION_PIXARLOG, TIFFInitPixarLog }, { "SGILog", COMPRESSION_SGILOG, TIFFInitSGILog }, { "SGILog24", COMPRESSION_SGILOG24, TIFFInitSGILog }, { NULL, 0, NULL } }; static int _notConfigured(TIFF* tif) { const TIFFCodec* c = TIFFFindCODEC(tif->tif_dir.td_compression); char compression_code[20]; sprintf( compression_code, "%d", tif->tif_dir.td_compression ); TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "%s compression support is not configured", c ? c->name : compression_code ); return (0); } static int NotConfigured(TIFF* tif, int scheme) { (void) scheme; tif->tif_decodestatus = FALSE; tif->tif_setupdecode = _notConfigured; tif->tif_encodestatus = FALSE; tif->tif_setupencode = _notConfigured; return (1); } /************************************************************************/ /* TIFFIsCODECConfigured() */ /************************************************************************/ /** * Check whether we have working codec for the specific coding scheme. * * @return returns 1 if the codec is configured and working. Otherwise * 0 will be returned. */ int TIFFIsCODECConfigured(uint16 scheme) { const TIFFCodec* codec = TIFFFindCODEC(scheme); if(codec == NULL) { return 0; } if(codec->init == NULL) { return 0; } if(codec->init != NotConfigured){ return 1; } return 0; } /* * Local Variables: * mode: c * c-basic-offset: 8 * fill-column: 78 * End: */