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165 lines
4.9 KiB
165 lines
4.9 KiB
/* $Id: tif_codec.c,v 1.15 2010-12-14 12:53:00 dron 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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#ifndef LZMA_SUPPORT |
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#define TIFFInitLZMA 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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{ "LZMA", COMPRESSION_LZMA, TIFFInitLZMA }, |
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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_fixuptags = _notConfigured; |
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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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