* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
- * Permission to use, copy, modify, distribute, and sell this software and
+ * 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.
- *
+ *
+ * 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
+ * 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.
*/
* a port.h file that reflects the system capabilities.
* Doing this obviates all the dreck done in tiffcomp.h.
*/
-#if defined(unix) || defined(__unix)
+#if (defined(unix) || defined(__unix)) && !defined(__DJGPP__)
#include "port.h"
#include "tiffconf.h"
#else
#define FALSE 0
#endif
+typedef struct client_info {
+ struct client_info *next;
+ void *data;
+ char *name;
+} TIFFClientInfoLink;
+
/*
* Typedefs for ``method pointers'' used internally.
*/
typedef void (*TIFFVoidMethod)(TIFF*);
typedef int (*TIFFBoolMethod)(TIFF*);
typedef int (*TIFFPreMethod)(TIFF*, tsample_t);
-typedef int (LINKAGEMODE *TIFFCodeMethod)(TIFF*, tidata_t, tsize_t, tsample_t);
-typedef int (LINKAGEMODE *TIFFSeekMethod)(TIFF*, uint32);
-typedef void (LINKAGEMODE *TIFFPostMethod)(TIFF*, tidata_t, tsize_t);
-typedef int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list);
-typedef int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list);
-typedef void (LINKAGEMODE *TIFFPrintMethod)(TIFF*, FILE*, long);
-typedef uint32 (LINKAGEMODE *TIFFStripMethod)(TIFF*, uint32);
-typedef void (LINKAGEMODE *TIFFTileMethod)(TIFF*, uint32*, uint32*);
+typedef int (*TIFFCodeMethod)(TIFF*, tidata_t, tsize_t, tsample_t);
+typedef int (*TIFFSeekMethod)(TIFF*, uint32);
+typedef void (*TIFFPostMethod)(TIFF*, tidata_t, tsize_t);
+typedef uint32 (*TIFFStripMethod)(TIFF*, uint32);
+typedef void (*TIFFTileMethod)(TIFF*, uint32*, uint32*);
struct tiff {
char* tif_name; /* name of open file */
#define TIFF_MAPPED 0x0800 /* file is mapped into memory */
#define TIFF_POSTENCODE 0x1000 /* need call to postencode routine */
#define TIFF_INSUBIFD 0x2000 /* currently writing a subifd */
-#define TIFF_UPSAMPLED 0x4000 /* library is doing data up-sampling */
+#define TIFF_UPSAMPLED 0x4000 /* library is doing data up-sampling */
#define TIFF_STRIPCHOP 0x8000 /* enable strip chopping support */
toff_t tif_diroff; /* file offset of current directory */
toff_t tif_nextdiroff; /* file offset of following directory */
+ toff_t* tif_dirlist; /* list of offsets to already seen */
+ /* directories to prevent IFD looping */
+ uint16 tif_dirnumber; /* number of already seen directories */
TIFFDirectory tif_dir; /* internal rep of current directory */
TIFFHeader tif_header; /* file's header block */
- tidata_t tif_clientdir; /* client TIFF directory */
const int* tif_typeshift; /* data type shift counts */
const long* tif_typemask; /* data type masks */
uint32 tif_row; /* current scanline */
ttile_t tif_curtile; /* current tile for read/write */
tsize_t tif_tilesize; /* # of bytes in a tile */
/* compression scheme hooks */
+ int tif_decodestatus;
TIFFBoolMethod tif_setupdecode;/* called once before predecode */
TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */
TIFFBoolMethod tif_setupencode;/* called once before preencode */
+ int tif_encodestatus;
TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */
TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */
TIFFCodeMethod tif_decoderow; /* scanline decoding routine */
/* tag support */
TIFFFieldInfo** tif_fieldinfo; /* sorted table of registered tags */
int tif_nfields; /* # entries in registered tag table */
- TIFFVSetMethod tif_vsetfield; /* tag set routine */
- TIFFVGetMethod tif_vgetfield; /* tag get routine */
- TIFFPrintMethod tif_printdir; /* directory print routine */
+ TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */
+ TIFFClientInfoLink *tif_clientinfo; /* extra client information. */
};
#define isPseudoTag(t) (t > 0xffff) /* is tag value normal or pseudo */
*/
#ifndef ReadOK
#define ReadOK(tif, buf, size) \
- (TIFFReadFile(tif, (tdata_t) buf, (tsize_t) size) == (tsize_t) size)
+ (TIFFReadFile(tif, (tdata_t) buf, (tsize_t)(size)) == (tsize_t)(size))
#endif
#ifndef SeekOK
#define SeekOK(tif, off) \
#endif
/* NB: the uint32 casts are to silence certain ANSI-C compilers */
-#define TIFFhowmany(x, y) ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y)))
-#define TIFFroundup(x, y) (TIFFhowmany(x,y)*((uint32)(y)))
+#define TIFFhowmany(x, y) ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y)))
+#define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3)
+#define TIFFroundup(x, y) (TIFFhowmany(x,y)*(y))
+
+#define TIFFmax(A,B) ((A)>(B)?(A):(B))
+#define TIFFmin(A,B) ((A)<(B)?(A):(B))
#if defined(__cplusplus)
extern "C" {
extern int _TIFFNoStripDecode(TIFF*, tidata_t, tsize_t, tsample_t);
extern int _TIFFNoTileDecode(TIFF*, tidata_t, tsize_t, tsample_t);
extern void _TIFFNoPostDecode(TIFF*, tidata_t, tsize_t);
+extern int _TIFFNoPreCode (TIFF*, tsample_t);
extern int _TIFFNoSeek(TIFF*, uint32);
extern void _TIFFSwab16BitData(TIFF*, tidata_t, tsize_t);
extern void _TIFFSwab32BitData(TIFF*, tidata_t, tsize_t);
extern void _TIFFSwab64BitData(TIFF*, tidata_t, tsize_t);
-extern int TIFFFlushData1(TIFF*);
-extern void TIFFFreeDirectory(TIFF*);
-extern int TIFFDefaultDirectory(TIFF*);
-extern int TIFFSetCompressionScheme(TIFF*, int);
-extern int TIFFSetDefaultCompressionState(TIFF*);
+extern int TIFFFlushData1(TIFF*);
+extern void TIFFFreeDirectory(TIFF*);
+extern int TIFFDefaultDirectory(TIFF*);
+extern int TIFFSetCompressionScheme(TIFF*, int);
+extern int TIFFSetDefaultCompressionState(TIFF*);
extern uint32 _TIFFDefaultStripSize(TIFF*, uint32);
extern void _TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
GLOBALDATA(TIFFErrorHandler,_TIFFwarningHandler);
GLOBALDATA(TIFFErrorHandler,_TIFFerrorHandler);
-extern int TIFFInitDumpMode(TIFF*, int);
+extern int TIFFInitDumpMode(TIFF*, int);
#ifdef PACKBITS_SUPPORT
extern int TIFFInitPackBits(TIFF*, int);
#endif