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Cesarus85--mjolnir-vr/source/bitmaps/libtiff/tiffioP.h
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/* $Header: /usr/people/sam/tiff/libtiff/RCS/tiffioP.h,v 1.28 92/03/06 11:59:52 sam Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
* Copyright (c) 1991, 1992 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 "tiffcompat.h"
#include "tiff.h"
/*
* Internal format of a TIFF directory entry.
*/
typedef struct {
u_long td_fieldsset[2]; /* bit vector of fields that are set */
u_long td_imagewidth, td_imagelength, td_imagedepth;
u_long td_tilewidth, td_tilelength, td_tiledepth;
u_short td_subfiletype;
u_short td_bitspersample;
u_short td_sampleformat;
u_short td_compression;
u_short td_photometric;
u_short td_threshholding;
u_short td_fillorder;
u_short td_orientation;
u_short td_samplesperpixel;
u_short td_predictor;
u_long td_rowsperstrip;
u_long td_minsamplevalue, td_maxsamplevalue; /* XXX */
float td_xresolution, td_yresolution;
u_short td_resolutionunit;
u_short td_planarconfig;
float td_xposition, td_yposition;
u_long td_group3options;
u_long td_group4options;
u_short td_pagenumber[2];
u_short td_matteing;
u_short td_cleanfaxdata;
u_short td_badfaxrun;
u_long td_badfaxlines;
u_short *td_colormap[3];
u_short td_halftonehints[2];
char *td_documentname;
char *td_artist;
char *td_datetime;
char *td_hostcomputer;
char *td_imagedescription;
char *td_make;
char *td_model;
char *td_software;
char *td_pagename;
u_long td_stripsperimage;
u_long td_nstrips; /* size of offset & bytecount arrays */
u_long *td_stripoffset;
u_long *td_stripbytecount;
#ifdef YCBCR_SUPPORT
float *td_ycbcrcoeffs;
u_short td_ycbcrsubsampling[2];
u_short td_ycbcrpositioning;
#endif
#ifdef JPEG_SUPPORT
u_short td_jpegproc;
u_short td_jpegrestartinterval;
u_char **td_qtab;
u_char **td_dctab;
u_char **td_actab;
#endif
#ifdef COLORIMETRY_SUPPORT
float *td_whitepoint;
float *td_primarychromas;
float *td_refblackwhite;
u_short *td_transferfunction[4];
#endif
#ifdef CMYK_SUPPORT
u_short td_inkset;
u_short td_dotrange[2];
char *td_inknames;
char *td_targetprinter;
#endif
} TIFFDirectory;
/*
* Field flags used to indicate fields that have
* been set in a directory, and to reference fields
* when manipulating a directory.
*/
/* multi-entry fields */
#define FIELD_IMAGEDIMENSIONS 0
#define FIELD_TILEDIMENSIONS 1
#define FIELD_CELLDIMENSIONS 2 /* XXX */
#define FIELD_RESOLUTION 3
#define FIELD_POSITION 4
/* single-entry fields */
#define FIELD_SUBFILETYPE 5
#define FIELD_BITSPERSAMPLE 6
#define FIELD_COMPRESSION 7
#define FIELD_PHOTOMETRIC 8
#define FIELD_THRESHHOLDING 9
#define FIELD_FILLORDER 10
#define FIELD_DOCUMENTNAME 11
#define FIELD_IMAGEDESCRIPTION 12
#define FIELD_MAKE 13
#define FIELD_MODEL 14
#define FIELD_ORIENTATION 15
#define FIELD_SAMPLESPERPIXEL 16
#define FIELD_ROWSPERSTRIP 17
#define FIELD_MINSAMPLEVALUE 18
#define FIELD_MAXSAMPLEVALUE 19
#define FIELD_PLANARCONFIG 20
#define FIELD_PAGENAME 21
#define FIELD_GROUP3OPTIONS 22
#define FIELD_GROUP4OPTIONS 23
#define FIELD_RESOLUTIONUNIT 24
#define FIELD_PAGENUMBER 25
#define FIELD_STRIPBYTECOUNTS 26
#define FIELD_STRIPOFFSETS 27
#define FIELD_COLORMAP 28
#define FIELD_PREDICTOR 29
#define FIELD_ARTIST 30
#define FIELD_DATETIME 31
#define FIELD_HOSTCOMPUTER 32
#define FIELD_SOFTWARE 33
#define FIELD_MATTEING 34
#define FIELD_BADFAXLINES 35
#define FIELD_CLEANFAXDATA 36
#define FIELD_BADFAXRUN 37
#define FIELD_SAMPLEFORMAT 38
#define FIELD_SMINSAMPLEVALUE 39
#define FIELD_SMAXSAMPLEVALUE 40
#define FIELD_IMAGEDEPTH 41
#define FIELD_TILEDEPTH 42
#define FIELD_HALFTONEHINTS 43
#ifdef YCBCR_SUPPORT
#define FIELD_YCBCRCOEFFICIENTS 44
#define FIELD_YCBCRSUBSAMPLING 45
#define FIELD_YCBCRPOSITIONING 46
#endif
#ifdef JPEG_SUPPORT
#define FIELD_JPEGPROC 47
#define FIELD_JPEGRESTARTINTERVAL 48
#define FIELD_JPEGQTABLES 49
#define FIELD_JPEGDCTABLES 50
#define FIELD_JPEGACTABLES 51
#endif
#ifdef COLORIMETRY_SUPPORT
#define FIELD_REFBLACKWHITE 52
#define FIELD_WHITEPOINT 53
#define FIELD_PRIMARYCHROMAS 54
#define FIELD_TRANSFERFUNCTION 55
#endif
#ifdef CMYK_SUPPORT
#define FIELD_INKSET 56
#define FIELD_INKNAMES 57
#define FIELD_DOTRANGE 58
#define FIELD_TARGETPRINTER 59
#endif
#define FIELD_LAST 59
#define TIFFExtractData(tif, type, v) \
((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \
(v) & (tif)->tif_typemask[type])
#define TIFFInsertData(tif, type, v) \
((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \
((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \
(v) & (tif)->tif_typemask[type])
typedef struct {
u_short field_tag; /* field's tag */
short field_readcount; /* read count (-1 for unknown) */
short field_writecount; /* write count (-1 for unknown) */
TIFFDataType field_type; /* type of associated data */
u_short field_bit; /* bit in fieldsset bit vector */
u_short field_oktochange; /* if true, can change while writing */
char *field_name; /* ASCII name */
} TIFFFieldInfo;
#define FIELD_IGNORE ((u_short)-1) /* tags processed but ignored */
#define TIFF_ANY TIFF_NOTYPE /* for field descriptor searching */
#define TIFF_VARIABLE -1 /* marker for variable length tags */
#define TIFF_SPP -2 /* marker for SamplesPerPixel tags */
extern TIFFFieldInfo tiffFieldInfo[]; /* table of field descriptors */
extern int tiffDataWidth[]; /* table of tag datatype widths */
#define BITn(n) (((unsigned)1L)<<((n)&0x1f))
#define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32])
#define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field))
#define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field))
#define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field))
#define FieldSet(fields, f) (fields[(f)/32] & BITn(f))
#define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f))
struct tiff {
char *tif_name; /* name of open file */
short tif_fd; /* open file descriptor */
short tif_mode; /* open mode (O_*) */
char tif_fillorder; /* natural bit fill order for machine */
char tif_options; /* compression-specific options */
short tif_flags;
#define TIFF_DIRTYHEADER 0x1 /* header must be written on close */
#define TIFF_DIRTYDIRECT 0x2 /* current directory must be written */
#define TIFF_BUFFERSETUP 0x4 /* data buffers setup */
#define TIFF_BEENWRITING 0x8 /* written 1+ scanlines to file */
#define TIFF_SWAB 0x10 /* byte swap file information */
#define TIFF_NOBITREV 0x20 /* inhibit bit reversal logic */
#define TIFF_MYBUFFER 0x40 /* my raw data buffer; free on close */
#define TIFF_ISTILED 0x80 /* file is tile, not strip- based */
#define TIFF_MAPPED 0x100 /* file is mapped into memory */
#define TIFF_POSTENCODE 0x200 /* need call to postencode routine */
long tif_diroff; /* file offset of current directory */
long tif_nextdiroff; /* file offset of following directory */
TIFFDirectory tif_dir; /* internal rep of current directory */
TIFFHeader tif_header; /* file's header block */
int const *tif_typeshift; /* data type shift counts */
long const *tif_typemask; /* data type masks */
long tif_row; /* current scanline */
int tif_curdir; /* current directory (index) */
int tif_curstrip; /* current strip for read/write */
long tif_curoff; /* current offset for read/write */
/* tiling support */
long tif_col; /* current column (offset by row too) */
int tif_curtile; /* current tile for read/write */
long tif_tilesize; /* # of bytes in a tile */
/* compression scheme hooks */
int (*tif_predecode)(); /* pre row/strip/tile decoding */
int (*tif_preencode)(); /* pre row/strip/tile encoding */
int (*tif_postencode)(); /* post row/strip/tile encoding */
int (*tif_decoderow)(); /* scanline decoding routine */
int (*tif_encoderow)(); /* scanline encoding routine */
int (*tif_decodestrip)(); /* strip decoding routine */
int (*tif_encodestrip)(); /* strip encoding routine */
int (*tif_decodetile)(); /* tile decoding routine */
int (*tif_encodetile)(); /* tile encoding routine */
int (*tif_close)(); /* cleanup-on-close routine */
int (*tif_seek)(); /* position within a strip routine */
int (*tif_cleanup)(); /* routine called to cleanup state */
char *tif_data; /* compression scheme private data */
/* input/output buffering */
int tif_scanlinesize; /* # of bytes in a scanline */
int tif_scanlineskew; /* scanline skew for reading strips */
char *tif_rawdata; /* raw data buffer */
long tif_rawdatasize; /* # of bytes in raw data buffer */
char *tif_rawcp; /* current spot in raw buffer */
long tif_rawcc; /* bytes unread from raw buffer */
#ifdef MMAP_SUPPORT
char* tif_base; /* base of mapped file */
long tif_size; /* size of mapped file region (bytes) */
#endif
};
#define isTiled(tif) (((tif)->tif_flags & TIFF_ISTILED) != 0)
#ifdef MMAP_SUPPORT
#define isMapped(tif) (((tif)->tif_flags & TIFF_MAPPED) != 0)
#else
#define isMapped(tif) 0 /* force dead code */
#endif
/* generic option bit names */
#define TIFF_OPT0 0x1
#define TIFF_OPT1 0x2
#define TIFF_OPT2 0x4
#define TIFF_OPT3 0x8
#define TIFF_OPT4 0x10
#define TIFF_OPT5 0x20
#define TIFF_OPT6 0x40
#define TIFF_OPT7 0x80
#include "tiffio.h"
/* NB: the u_int casts are to silence certain ANSI-C compilers */
#ifdef howmany
#undef howmany
#endif
#define howmany(x, y) ((((u_int)(x))+(((u_int)(y))-1))/((u_int)(y)))
#ifdef roundup
#undef roundup
#endif
#define roundup(x, y) (howmany(x,y)*((u_int)(y)))
#if defined(c_plusplus) || defined(__cplusplus) || defined(__STDC__) || USE_PROTOTYPES
#if defined(__cplusplus)
extern "C" {
#endif
extern TIFFFieldInfo const *TIFFFindFieldInfo(u_short, TIFFDataType);
extern TIFFFieldInfo const *TIFFFieldWithTag(u_short);
extern int _TIFFgetfield(TIFFDirectory*, int, ...);
extern int TIFFNoRowEncode(TIFF*, u_char*, int, u_int);
extern int TIFFNoStripEncode(TIFF*, u_char*, int, u_int);
extern int TIFFNoTileEncode(TIFF*, u_char*, int, u_int);
extern int TIFFNoRowDecode(TIFF*, u_char*, int, u_int);
extern int TIFFNoStripDecode(TIFF*, u_char*, int, u_int);
extern int TIFFNoTileDecode(TIFF*, u_char*, int, u_int);
#if defined(__cplusplus)
}
#endif
#else
extern TIFFFieldInfo const *TIFFFindFieldInfo();
extern TIFFFieldInfo const *TIFFFieldWithTag();
extern int _TIFFgetfield();
extern int TIFFNoRowEncode();
extern int TIFFNoStripEncode();
extern int TIFFNoTileEncode();
extern int TIFFNoRowDecode();
extern int TIFFNoStripDecode();
extern int TIFFNoTileDecode();
#endif
#endif /* _TIFFIOP_ */
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