/* $Id: tif_codec.c,v 1.10.2.1 2008-12-18 19:50:41 fwarmerdam 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; | |
} | |