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