+++ /dev/null
-/* $Id: tiffiop.h,v 1.84 2012-05-30 01:50:17 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.
- */
-
-#ifndef _TIFFIOP_
-#define _TIFFIOP_
-/*
- * ``Library-private'' definitions.
- */
-
-#include "tif_config.h"
-
-#ifdef HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#ifdef HAVE_STRING_H
-# include <string.h>
-#endif
-
-#ifdef HAVE_ASSERT_H
-# include <assert.h>
-#else
-# define assert(x)
-#endif
-
-#ifdef HAVE_SEARCH_H
-# include <search.h>
-#else
-extern void *lfind(const void *, const void *, size_t *, size_t,
- int (*)(const void *, const void *));
-#endif
-
-#include "tiffio.h"
-
-#include "tif_dir.h"
-
-#ifndef STRIP_SIZE_DEFAULT
-# define STRIP_SIZE_DEFAULT 8192
-#endif
-
-#define streq(a,b) (strcmp(a,b) == 0)
-
-#ifndef TRUE
-#define TRUE 1
-#define FALSE 0
-#endif
-
-typedef struct client_info {
- struct client_info *next;
- void *data;
- char *name;
-} TIFFClientInfoLink;
-
-/*
- * Typedefs for ``method pointers'' used internally.
- * these are depriciated and provided only for backwards compatibility
- */
-typedef unsigned char tidataval_t; /* internal image data value type */
-typedef tidataval_t* tidata_t; /* reference to internal image data */
-
-typedef void (*TIFFVoidMethod)(TIFF*);
-typedef int (*TIFFBoolMethod)(TIFF*);
-typedef int (*TIFFPreMethod)(TIFF*, uint16);
-typedef int (*TIFFCodeMethod)(TIFF* tif, uint8* buf, tmsize_t size, uint16 sample);
-typedef int (*TIFFSeekMethod)(TIFF*, uint32);
-typedef void (*TIFFPostMethod)(TIFF* tif, uint8* buf, tmsize_t size);
-typedef uint32 (*TIFFStripMethod)(TIFF*, uint32);
-typedef void (*TIFFTileMethod)(TIFF*, uint32*, uint32*);
-
-struct tiff {
- char* tif_name; /* name of open file */
- int tif_fd; /* open file descriptor */
- int tif_mode; /* open mode (O_*) */
- uint32 tif_flags;
- #define TIFF_FILLORDER 0x00003 /* natural bit fill order for machine */
- #define TIFF_DIRTYHEADER 0x00004 /* header must be written on close */
- #define TIFF_DIRTYDIRECT 0x00008 /* current directory must be written */
- #define TIFF_BUFFERSETUP 0x00010 /* data buffers setup */
- #define TIFF_CODERSETUP 0x00020 /* encoder/decoder setup done */
- #define TIFF_BEENWRITING 0x00040 /* written 1+ scanlines to file */
- #define TIFF_SWAB 0x00080 /* byte swap file information */
- #define TIFF_NOBITREV 0x00100 /* inhibit bit reversal logic */
- #define TIFF_MYBUFFER 0x00200 /* my raw data buffer; free on close */
- #define TIFF_ISTILED 0x00400 /* file is tile, not strip- based */
- #define TIFF_MAPPED 0x00800 /* file is mapped into memory */
- #define TIFF_POSTENCODE 0x01000 /* need call to postencode routine */
- #define TIFF_INSUBIFD 0x02000 /* currently writing a subifd */
- #define TIFF_UPSAMPLED 0x04000 /* library is doing data up-sampling */
- #define TIFF_STRIPCHOP 0x08000 /* enable strip chopping support */
- #define TIFF_HEADERONLY 0x10000 /* read header only, do not process the first directory */
- #define TIFF_NOREADRAW 0x20000 /* skip reading of raw uncompressed image data */
- #define TIFF_INCUSTOMIFD 0x40000 /* currently writing a custom IFD */
- #define TIFF_BIGTIFF 0x80000 /* read/write bigtiff */
- #define TIFF_BUF4WRITE 0x100000 /* rawcc bytes are for writing */
- #define TIFF_DIRTYSTRIP 0x200000 /* stripoffsets/stripbytecount dirty*/
- #define TIFF_PERSAMPLE 0x400000 /* get/set per sample tags as arrays */
- #define TIFF_BUFFERMMAP 0x800000 /* read buffer (tif_rawdata) points into mmap() memory */
- uint64 tif_diroff; /* file offset of current directory */
- uint64 tif_nextdiroff; /* file offset of following directory */
- uint64* tif_dirlist; /* list of offsets to already seen directories to prevent IFD looping */
- uint16 tif_dirlistsize; /* number of entires in offset list */
- uint16 tif_dirnumber; /* number of already seen directories */
- TIFFDirectory tif_dir; /* internal rep of current directory */
- TIFFDirectory tif_customdir; /* custom IFDs are separated from the main ones */
- union {
- TIFFHeaderCommon common;
- TIFFHeaderClassic classic;
- TIFFHeaderBig big;
- } tif_header;
- uint16 tif_header_size; /* file's header block and its length */
- uint32 tif_row; /* current scanline */
- uint16 tif_curdir; /* current directory (index) */
- uint32 tif_curstrip; /* current strip for read/write */
- uint64 tif_curoff; /* current offset for read/write */
- uint64 tif_dataoff; /* current offset for writing dir */
- /* SubIFD support */
- uint16 tif_nsubifd; /* remaining subifds to write */
- uint64 tif_subifdoff; /* offset for patching SubIFD link */
- /* tiling support */
- uint32 tif_col; /* current column (offset by row too) */
- uint32 tif_curtile; /* current tile for read/write */
- tmsize_t tif_tilesize; /* # of bytes in a tile */
- /* compression scheme hooks */
- int tif_decodestatus;
- TIFFBoolMethod tif_fixuptags; /* called in TIFFReadDirectory */
- 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 */
- TIFFCodeMethod tif_encoderow; /* scanline encoding routine */
- TIFFCodeMethod tif_decodestrip; /* strip decoding routine */
- TIFFCodeMethod tif_encodestrip; /* strip encoding routine */
- TIFFCodeMethod tif_decodetile; /* tile decoding routine */
- TIFFCodeMethod tif_encodetile; /* tile encoding routine */
- TIFFVoidMethod tif_close; /* cleanup-on-close routine */
- TIFFSeekMethod tif_seek; /* position within a strip routine */
- TIFFVoidMethod tif_cleanup; /* cleanup state routine */
- TIFFStripMethod tif_defstripsize; /* calculate/constrain strip size */
- TIFFTileMethod tif_deftilesize; /* calculate/constrain tile size */
- uint8* tif_data; /* compression scheme private data */
- /* input/output buffering */
- tmsize_t tif_scanlinesize; /* # of bytes in a scanline */
- tmsize_t tif_scanlineskew; /* scanline skew for reading strips */
- uint8* tif_rawdata; /* raw data buffer */
- tmsize_t tif_rawdatasize; /* # of bytes in raw data buffer */
- tmsize_t tif_rawdataoff; /* rawdata offset within strip */
- tmsize_t tif_rawdataloaded;/* amount of data in rawdata */
- uint8* tif_rawcp; /* current spot in raw buffer */
- tmsize_t tif_rawcc; /* bytes unread from raw buffer */
- /* memory-mapped file support */
- uint8* tif_base; /* base of mapped file */
- tmsize_t tif_size; /* size of mapped file region (bytes, thus tmsize_t) */
- TIFFMapFileProc tif_mapproc; /* map file method */
- TIFFUnmapFileProc tif_unmapproc; /* unmap file method */
- /* input/output callback methods */
- thandle_t tif_clientdata; /* callback parameter */
- TIFFReadWriteProc tif_readproc; /* read method */
- TIFFReadWriteProc tif_writeproc; /* write method */
- TIFFSeekProc tif_seekproc; /* lseek method */
- TIFFCloseProc tif_closeproc; /* close method */
- TIFFSizeProc tif_sizeproc; /* filesize method */
- /* post-decoding support */
- TIFFPostMethod tif_postdecode; /* post decoding routine */
- /* tag support */
- TIFFField** tif_fields; /* sorted table of registered tags */
- size_t tif_nfields; /* # entries in registered tag table */
- const TIFFField* tif_foundfield; /* cached pointer to already found tag */
- TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */
- TIFFClientInfoLink* tif_clientinfo; /* extra client information. */
- /* Backward compatibility stuff. We need these two fields for
- * setting up an old tag extension scheme. */
- TIFFFieldArray* tif_fieldscompat;
- size_t tif_nfieldscompat;
-};
-
-#define isPseudoTag(t) (t > 0xffff) /* is tag value normal or pseudo */
-
-#define isTiled(tif) (((tif)->tif_flags & TIFF_ISTILED) != 0)
-#define isMapped(tif) (((tif)->tif_flags & TIFF_MAPPED) != 0)
-#define isFillOrder(tif, o) (((tif)->tif_flags & (o)) != 0)
-#define isUpSampled(tif) (((tif)->tif_flags & TIFF_UPSAMPLED) != 0)
-#define TIFFReadFile(tif, buf, size) \
- ((*(tif)->tif_readproc)((tif)->tif_clientdata,(buf),(size)))
-#define TIFFWriteFile(tif, buf, size) \
- ((*(tif)->tif_writeproc)((tif)->tif_clientdata,(buf),(size)))
-#define TIFFSeekFile(tif, off, whence) \
- ((*(tif)->tif_seekproc)((tif)->tif_clientdata,(off),(whence)))
-#define TIFFCloseFile(tif) \
- ((*(tif)->tif_closeproc)((tif)->tif_clientdata))
-#define TIFFGetFileSize(tif) \
- ((*(tif)->tif_sizeproc)((tif)->tif_clientdata))
-#define TIFFMapFileContents(tif, paddr, psize) \
- ((*(tif)->tif_mapproc)((tif)->tif_clientdata,(paddr),(psize)))
-#define TIFFUnmapFileContents(tif, addr, size) \
- ((*(tif)->tif_unmapproc)((tif)->tif_clientdata,(addr),(size)))
-
-/*
- * Default Read/Seek/Write definitions.
- */
-#ifndef ReadOK
-#define ReadOK(tif, buf, size) \
- (TIFFReadFile((tif),(buf),(size))==(size))
-#endif
-#ifndef SeekOK
-#define SeekOK(tif, off) \
- (TIFFSeekFile((tif),(off),SEEK_SET)==(off))
-#endif
-#ifndef WriteOK
-#define WriteOK(tif, buf, size) \
- (TIFFWriteFile((tif),(buf),(size))==(size))
-#endif
-
-/* NB: the uint32 casts are to silence certain ANSI-C compilers */
-#define TIFFhowmany_32(x, y) (((uint32)x < (0xffffffff - (uint32)(y-1))) ? \
- ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y))) : \
- 0U)
-#define TIFFhowmany8_32(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3)
-#define TIFFroundup_32(x, y) (TIFFhowmany_32(x,y)*(y))
-#define TIFFhowmany_64(x, y) ((((uint64)(x))+(((uint64)(y))-1))/((uint64)(y)))
-#define TIFFhowmany8_64(x) (((x)&0x07)?((uint64)(x)>>3)+1:(uint64)(x)>>3)
-#define TIFFroundup_64(x, y) (TIFFhowmany_64(x,y)*(y))
-
-/* Safe multiply which returns zero if there is an integer overflow */
-#define TIFFSafeMultiply(t,v,m) ((((t)(m) != (t)0) && (((t)(((v)*(m))/(m))) == (t)(v))) ? (t)((v)*(m)) : (t)0)
-
-#define TIFFmax(A,B) ((A)>(B)?(A):(B))
-#define TIFFmin(A,B) ((A)<(B)?(A):(B))
-
-#define TIFFArrayCount(a) (sizeof (a) / sizeof ((a)[0]))
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-extern int _TIFFgetMode(const char* mode, const char* module);
-extern int _TIFFNoRowEncode(TIFF* tif, uint8* pp, tmsize_t cc, uint16 s);
-extern int _TIFFNoStripEncode(TIFF* tif, uint8* pp, tmsize_t cc, uint16 s);
-extern int _TIFFNoTileEncode(TIFF*, uint8* pp, tmsize_t cc, uint16 s);
-extern int _TIFFNoRowDecode(TIFF* tif, uint8* pp, tmsize_t cc, uint16 s);
-extern int _TIFFNoStripDecode(TIFF* tif, uint8* pp, tmsize_t cc, uint16 s);
-extern int _TIFFNoTileDecode(TIFF*, uint8* pp, tmsize_t cc, uint16 s);
-extern void _TIFFNoPostDecode(TIFF* tif, uint8* buf, tmsize_t cc);
-extern int _TIFFNoPreCode(TIFF* tif, uint16 s);
-extern int _TIFFNoSeek(TIFF* tif, uint32 off);
-extern void _TIFFSwab16BitData(TIFF* tif, uint8* buf, tmsize_t cc);
-extern void _TIFFSwab24BitData(TIFF* tif, uint8* buf, tmsize_t cc);
-extern void _TIFFSwab32BitData(TIFF* tif, uint8* buf, tmsize_t cc);
-extern void _TIFFSwab64BitData(TIFF* tif, uint8* buf, tmsize_t cc);
-extern int TIFFFlushData1(TIFF* tif);
-extern int TIFFDefaultDirectory(TIFF* tif);
-extern void _TIFFSetDefaultCompressionState(TIFF* tif);
-extern int _TIFFRewriteField(TIFF *, uint16, TIFFDataType, tmsize_t, void *);
-extern int TIFFSetCompressionScheme(TIFF* tif, int scheme);
-extern int TIFFSetDefaultCompressionState(TIFF* tif);
-extern uint32 _TIFFDefaultStripSize(TIFF* tif, uint32 s);
-extern void _TIFFDefaultTileSize(TIFF* tif, uint32* tw, uint32* th);
-extern int _TIFFDataSize(TIFFDataType type);
-
-extern void _TIFFsetByteArray(void**, void*, uint32);
-extern void _TIFFsetString(char**, char*);
-extern void _TIFFsetShortArray(uint16**, uint16*, uint32);
-extern void _TIFFsetLongArray(uint32**, uint32*, uint32);
-extern void _TIFFsetFloatArray(float**, float*, uint32);
-extern void _TIFFsetDoubleArray(double**, double*, uint32);
-
-extern void _TIFFprintAscii(FILE*, const char*);
-extern void _TIFFprintAsciiTag(FILE*, const char*, const char*);
-
-extern TIFFErrorHandler _TIFFwarningHandler;
-extern TIFFErrorHandler _TIFFerrorHandler;
-extern TIFFErrorHandlerExt _TIFFwarningHandlerExt;
-extern TIFFErrorHandlerExt _TIFFerrorHandlerExt;
-
-extern uint32 _TIFFMultiply32(TIFF*, uint32, uint32, const char*);
-extern uint64 _TIFFMultiply64(TIFF*, uint64, uint64, const char*);
-extern void* _TIFFCheckMalloc(TIFF*, tmsize_t, tmsize_t, const char*);
-extern void* _TIFFCheckRealloc(TIFF*, void*, tmsize_t, tmsize_t, const char*);
-
-extern double _TIFFUInt64ToDouble(uint64);
-extern float _TIFFUInt64ToFloat(uint64);
-
-extern int TIFFInitDumpMode(TIFF*, int);
-#ifdef PACKBITS_SUPPORT
-extern int TIFFInitPackBits(TIFF*, int);
-#endif
-#ifdef CCITT_SUPPORT
-extern int TIFFInitCCITTRLE(TIFF*, int), TIFFInitCCITTRLEW(TIFF*, int);
-extern int TIFFInitCCITTFax3(TIFF*, int), TIFFInitCCITTFax4(TIFF*, int);
-#endif
-#ifdef THUNDER_SUPPORT
-extern int TIFFInitThunderScan(TIFF*, int);
-#endif
-#ifdef NEXT_SUPPORT
-extern int TIFFInitNeXT(TIFF*, int);
-#endif
-#ifdef LZW_SUPPORT
-extern int TIFFInitLZW(TIFF*, int);
-#endif
-#ifdef OJPEG_SUPPORT
-extern int TIFFInitOJPEG(TIFF*, int);
-#endif
-#ifdef JPEG_SUPPORT
-extern int TIFFInitJPEG(TIFF*, int);
-#endif
-#ifdef JBIG_SUPPORT
-extern int TIFFInitJBIG(TIFF*, int);
-#endif
-#ifdef ZIP_SUPPORT
-extern int TIFFInitZIP(TIFF*, int);
-#endif
-#ifdef PIXARLOG_SUPPORT
-extern int TIFFInitPixarLog(TIFF*, int);
-#endif
-#ifdef LOGLUV_SUPPORT
-extern int TIFFInitSGILog(TIFF*, int);
-#endif
-#ifdef LZMA_SUPPORT
-extern int TIFFInitLZMA(TIFF*, int);
-#endif
-#ifdef VMS
-extern const TIFFCodec _TIFFBuiltinCODECS[];
-#else
-extern TIFFCodec _TIFFBuiltinCODECS[];
-#endif
-
-#if defined(__cplusplus)
-}
-#endif
-#endif /* _TIFFIOP_ */
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
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