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by Brian Sidebotham
Initial import into Bazaar |
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/* $Id: tif_codec.c 47655 2007-07-22 15:36:51Z VZ $ */
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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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TIFFErrorExt(tif->tif_clientdata, tif->tif_name, |
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"%s compression support is not configured", c->name); |
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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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