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tiff.h

/* $Id: tiff.h,v 1.42 2005/12/23 15:10:45 dron 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 _TIFF_
#define     _TIFF_

#include "tiffconf.h"

/*
 * Tag Image File Format (TIFF)
 *
 * Based on Rev 6.0 from:
 *    Developer's Desk
 *    Aldus Corporation
 *    411 First Ave. South
 *    Suite 200
 *    Seattle, WA  98104
 *    206-622-5500
 *    
 *    (http://partners.adobe.com/asn/developer/PDFS/TN/TIFF6.pdf)
 *
 * For Big TIFF design notes see the following link
 *    http://gdal.maptools.org/twiki/bin/view/libtiff/BigTIFFDesign
 */
#define     TIFF_VERSION              42
#define TIFF_BIGTIFF_VERSION    43

#define     TIFF_BIGENDIAN          0x4d4d
#define     TIFF_LITTLEENDIAN 0x4949
#define     MDI_LITTLEENDIAN        0x5045
#define     MDI_BIGENDIAN           0x4550
/*
 * Intrinsic data types required by the file format:
 *
 * 8-bit quantities     int8/uint8
 * 16-bit quantities    int16/uint16
 * 32-bit quantities    int32/uint32
 * strings        unsigned char*
 */

#ifndef HAVE_INT8
typedef     signed char int8; /* NB: non-ANSI compilers may not grok */
#endif
typedef     unsigned char uint8;
#ifndef HAVE_INT16
typedef     short int16;
#endif
typedef     unsigned short uint16;  /* sizeof (uint16) must == 2 */
#if SIZEOF_INT == 4
#ifndef HAVE_INT32
typedef     int int32;
#endif
typedef     unsigned int uint32;    /* sizeof (uint32) must == 4 */
#elif SIZEOF_LONG == 4
#ifndef HAVE_INT32
typedef     long int32;
#endif
typedef     unsigned long uint32;   /* sizeof (uint32) must == 4 */
#endif

/* For TIFFReassignTagToIgnore */
enum TIFFIgnoreSense /* IGNORE tag table */
{
      TIS_STORE,
      TIS_EXTRACT,
      TIS_EMPTY
};

/*
 * TIFF header.
 */
typedef     struct {
      uint16      tiff_magic; /* magic number (defines byte order) */
#define TIFF_MAGIC_SIZE       2
      uint16      tiff_version;     /* TIFF version number */
#define TIFF_VERSION_SIZE     2
      uint32      tiff_diroff;      /* byte offset to first directory */
#define TIFF_DIROFFSET_SIZE   4
} TIFFHeader;


/*
 * TIFF Image File Directories are comprised of a table of field
 * descriptors of the form shown below.  The table is sorted in
 * ascending order by tag.  The values associated with each entry are
 * disjoint and may appear anywhere in the file (so long as they are
 * placed on a word boundary).
 *
 * If the value is 4 bytes or less, then it is placed in the offset
 * field to save space.  If the value is less than 4 bytes, it is
 * left-justified in the offset field.
 */
typedef     struct {
      uint16            tdir_tag;   /* see below */
      uint16            tdir_type;  /* data type; see below */
      uint32            tdir_count; /* number of items; length in spec */
      uint32            tdir_offset;      /* byte offset to field data */
} TIFFDirEntry;

/*
 * NB: In the comments below,
 *  - items marked with a + are obsoleted by revision 5.0,
 *  - items marked with a ! are introduced in revision 6.0.
 *  - items marked with a % are introduced post revision 6.0.
 *  - items marked with a $ are obsoleted by revision 6.0.
 *  - items marked with a & are introduced by Adobe DNG specification.
 */

/*
 * Tag data type information.
 *
 * Note: RATIONALs are the ratio of two 32-bit integer values.
 */
typedef     enum {
      TIFF_NOTYPE = 0,  /* placeholder */
      TIFF_BYTE   = 1,  /* 8-bit unsigned integer */
      TIFF_ASCII  = 2,  /* 8-bit bytes w/ last byte null */
      TIFF_SHORT  = 3,  /* 16-bit unsigned integer */
      TIFF_LONG   = 4,  /* 32-bit unsigned integer */
      TIFF_RATIONAL     = 5,  /* 64-bit unsigned fraction */
      TIFF_SBYTE  = 6,  /* !8-bit signed integer */
      TIFF_UNDEFINED    = 7,  /* !8-bit untyped data */
      TIFF_SSHORT = 8,  /* !16-bit signed integer */
      TIFF_SLONG  = 9,  /* !32-bit signed integer */
      TIFF_SRATIONAL    = 10, /* !64-bit signed fraction */
      TIFF_FLOAT  = 11, /* !32-bit IEEE floating point */
      TIFF_DOUBLE = 12, /* !64-bit IEEE floating point */
      TIFF_IFD    = 13  /* %32-bit unsigned integer (offset) */
} TIFFDataType;

/*
 * TIFF Tag Definitions.
 */
#define     TIFFTAG_SUBFILETYPE           254   /* subfile data descriptor */
#define         FILETYPE_REDUCEDIMAGE     0x1   /* reduced resolution version */
#define         FILETYPE_PAGE       0x2   /* one page of many */
#define         FILETYPE_MASK       0x4   /* transparency mask */
#define     TIFFTAG_OSUBFILETYPE          255   /* +kind of data in subfile */
#define         OFILETYPE_IMAGE           1     /* full resolution image data */
#define         OFILETYPE_REDUCEDIMAGE    2     /* reduced size image data */
#define         OFILETYPE_PAGE            3     /* one page of many */
#define     TIFFTAG_IMAGEWIDTH            256   /* image width in pixels */
#define     TIFFTAG_IMAGELENGTH           257   /* image height in pixels */
#define     TIFFTAG_BITSPERSAMPLE         258   /* bits per channel (sample) */
#define     TIFFTAG_COMPRESSION           259   /* data compression technique */
#define         COMPRESSION_NONE          1     /* dump mode */
#define         COMPRESSION_CCITTRLE      2     /* CCITT modified Huffman RLE */
#define         COMPRESSION_CCITTFAX3     3     /* CCITT Group 3 fax encoding */
#define     COMPRESSION_CCITT_T4        3       /* CCITT T.4 (TIFF 6 name) */
#define         COMPRESSION_CCITTFAX4     4     /* CCITT Group 4 fax encoding */
#define     COMPRESSION_CCITT_T6        4       /* CCITT T.6 (TIFF 6 name) */
#define         COMPRESSION_LZW           5       /* Lempel-Ziv  & Welch */
#define         COMPRESSION_OJPEG         6     /* !6.0 JPEG */
#define         COMPRESSION_JPEG          7     /* %JPEG DCT compression */
#define         COMPRESSION_NEXT          32766 /* NeXT 2-bit RLE */
#define         COMPRESSION_CCITTRLEW     32771 /* #1 w/ word alignment */
#define         COMPRESSION_PACKBITS      32773 /* Macintosh RLE */
#define         COMPRESSION_THUNDERSCAN   32809 /* ThunderScan RLE */
/* codes 32895-32898 are reserved for ANSI IT8 TIFF/IT <dkelly@apago.com) */
#define         COMPRESSION_IT8CTPAD      32895   /* IT8 CT w/padding */
#define         COMPRESSION_IT8LW         32896   /* IT8 Linework RLE */
#define         COMPRESSION_IT8MP         32897   /* IT8 Monochrome picture */
#define         COMPRESSION_IT8BL         32898   /* IT8 Binary line art */
/* compression codes 32908-32911 are reserved for Pixar */
#define     COMPRESSION_PIXARFILM   32908   /* Pixar companded 10bit LZW */
#define         COMPRESSION_PIXARLOG      32909   /* Pixar companded 11bit ZIP */
#define         COMPRESSION_DEFLATE       32946 /* Deflate compression */
#define     COMPRESSION_ADOBE_DEFLATE   8       /* Deflate compression,
                                       as recognized by Adobe */
/* compression code 32947 is reserved for Oceana Matrix <dev@oceana.com> */
#define     COMPRESSION_DCS             32947   /* Kodak DCS encoding */
#define         COMPRESSION_JBIG          34661 /* ISO JBIG */
#define     COMPRESSION_SGILOG            34676 /* SGI Log Luminance RLE */
#define     COMPRESSION_SGILOG24    34677 /* SGI Log 24-bit packed */
#define     COMPRESSION_JP2000          34712   /* Leadtools JPEG2000 */
#define     TIFFTAG_PHOTOMETRIC           262   /* photometric interpretation */
#define         PHOTOMETRIC_MINISWHITE    0     /* min value is white */
#define         PHOTOMETRIC_MINISBLACK    1     /* min value is black */
#define         PHOTOMETRIC_RGB           2     /* RGB color model */
#define         PHOTOMETRIC_PALETTE       3     /* color map indexed */
#define         PHOTOMETRIC_MASK          4     /* $holdout mask */
#define         PHOTOMETRIC_SEPARATED     5     /* !color separations */
#define         PHOTOMETRIC_YCBCR         6     /* !CCIR 601 */
#define         PHOTOMETRIC_CIELAB        8     /* !1976 CIE L*a*b* */
#define         PHOTOMETRIC_ICCLAB        9     /* ICC L*a*b* [Adobe TIFF Technote 4] */
#define         PHOTOMETRIC_ITULAB        10    /* ITU L*a*b* */
#define     PHOTOMETRIC_LOGL        32844 /* CIE Log2(L) */
#define     PHOTOMETRIC_LOGLUV            32845 /* CIE Log2(L) (u',v') */
#define     TIFFTAG_THRESHHOLDING         263   /* +thresholding used on data */
#define         THRESHHOLD_BILEVEL        1     /* b&w art scan */
#define         THRESHHOLD_HALFTONE       2     /* or dithered scan */
#define         THRESHHOLD_ERRORDIFFUSE   3     /* usually floyd-steinberg */
#define     TIFFTAG_CELLWIDTH       264   /* +dithering matrix width */
#define     TIFFTAG_CELLLENGTH            265   /* +dithering matrix height */
#define     TIFFTAG_FILLORDER       266   /* data order within a byte */
#define         FILLORDER_MSB2LSB         1     /* most significant -> least */
#define         FILLORDER_LSB2MSB         2     /* least significant -> most */
#define     TIFFTAG_DOCUMENTNAME          269   /* name of doc. image is from */
#define     TIFFTAG_IMAGEDESCRIPTION      270   /* info about image */
#define     TIFFTAG_MAKE                  271   /* scanner manufacturer name */
#define     TIFFTAG_MODEL                 272   /* scanner model name/number */
#define     TIFFTAG_STRIPOFFSETS          273   /* offsets to data strips */
#define     TIFFTAG_ORIENTATION           274   /* +image orientation */
#define         ORIENTATION_TOPLEFT       1     /* row 0 top, col 0 lhs */
#define         ORIENTATION_TOPRIGHT      2     /* row 0 top, col 0 rhs */
#define         ORIENTATION_BOTRIGHT      3     /* row 0 bottom, col 0 rhs */
#define         ORIENTATION_BOTLEFT       4     /* row 0 bottom, col 0 lhs */
#define         ORIENTATION_LEFTTOP       5     /* row 0 lhs, col 0 top */
#define         ORIENTATION_RIGHTTOP      6     /* row 0 rhs, col 0 top */
#define         ORIENTATION_RIGHTBOT      7     /* row 0 rhs, col 0 bottom */
#define         ORIENTATION_LEFTBOT       8     /* row 0 lhs, col 0 bottom */
#define     TIFFTAG_SAMPLESPERPIXEL       277   /* samples per pixel */
#define     TIFFTAG_ROWSPERSTRIP          278   /* rows per strip of data */
#define     TIFFTAG_STRIPBYTECOUNTS       279   /* bytes counts for strips */
#define     TIFFTAG_MINSAMPLEVALUE        280   /* +minimum sample value */
#define     TIFFTAG_MAXSAMPLEVALUE        281   /* +maximum sample value */
#define     TIFFTAG_XRESOLUTION           282   /* pixels/resolution in x */
#define     TIFFTAG_YRESOLUTION           283   /* pixels/resolution in y */
#define     TIFFTAG_PLANARCONFIG          284   /* storage organization */
#define         PLANARCONFIG_CONTIG       1     /* single image plane */
#define         PLANARCONFIG_SEPARATE     2     /* separate planes of data */
#define     TIFFTAG_PAGENAME        285   /* page name image is from */
#define     TIFFTAG_XPOSITION       286   /* x page offset of image lhs */
#define     TIFFTAG_YPOSITION       287   /* y page offset of image lhs */
#define     TIFFTAG_FREEOFFSETS           288   /* +byte offset to free block */
#define     TIFFTAG_FREEBYTECOUNTS        289   /* +sizes of free blocks */
#define     TIFFTAG_GRAYRESPONSEUNIT      290   /* $gray scale curve accuracy */
#define         GRAYRESPONSEUNIT_10S      1     /* tenths of a unit */
#define         GRAYRESPONSEUNIT_100S     2     /* hundredths of a unit */
#define         GRAYRESPONSEUNIT_1000S    3     /* thousandths of a unit */
#define         GRAYRESPONSEUNIT_10000S   4     /* ten-thousandths of a unit */
#define         GRAYRESPONSEUNIT_100000S  5     /* hundred-thousandths */
#define     TIFFTAG_GRAYRESPONSECURVE     291   /* $gray scale response curve */
#define     TIFFTAG_GROUP3OPTIONS         292   /* 32 flag bits */
#define     TIFFTAG_T4OPTIONS       292   /* TIFF 6.0 proper name alias */
#define         GROUP3OPT_2DENCODING      0x1   /* 2-dimensional coding */
#define         GROUP3OPT_UNCOMPRESSED    0x2   /* data not compressed */
#define         GROUP3OPT_FILLBITS        0x4   /* fill to byte boundary */
#define     TIFFTAG_GROUP4OPTIONS         293   /* 32 flag bits */
#define TIFFTAG_T6OPTIONS               293     /* TIFF 6.0 proper name */
#define         GROUP4OPT_UNCOMPRESSED    0x2   /* data not compressed */
#define     TIFFTAG_RESOLUTIONUNIT        296   /* units of resolutions */
#define         RESUNIT_NONE        1     /* no meaningful units */
#define         RESUNIT_INCH        2     /* english */
#define         RESUNIT_CENTIMETER        3     /* metric */
#define     TIFFTAG_PAGENUMBER            297   /* page numbers of multi-page */
#define     TIFFTAG_COLORRESPONSEUNIT     300   /* $color curve accuracy */
#define         COLORRESPONSEUNIT_10S     1     /* tenths of a unit */
#define         COLORRESPONSEUNIT_100S    2     /* hundredths of a unit */
#define         COLORRESPONSEUNIT_1000S   3     /* thousandths of a unit */
#define         COLORRESPONSEUNIT_10000S  4     /* ten-thousandths of a unit */
#define         COLORRESPONSEUNIT_100000S 5     /* hundred-thousandths */
#define     TIFFTAG_TRANSFERFUNCTION      301   /* !colorimetry info */
#define     TIFFTAG_SOFTWARE        305   /* name & release */
#define     TIFFTAG_DATETIME        306   /* creation date and time */
#define     TIFFTAG_ARTIST                315   /* creator of image */
#define     TIFFTAG_HOSTCOMPUTER          316   /* machine where created */
#define     TIFFTAG_PREDICTOR       317   /* prediction scheme w/ LZW */
#define     PREDICTOR_NONE          1     /* no prediction scheme used */
#define     PREDICTOR_HORIZONTAL    2     /* horizontal differencing */
#define     PREDICTOR_FLOATINGPOINT 3     /* floating point predictor */
#define     TIFFTAG_WHITEPOINT            318   /* image white point */
#define     TIFFTAG_PRIMARYCHROMATICITIES 319   /* !primary chromaticities */
#define     TIFFTAG_COLORMAP        320   /* RGB map for pallette image */
#define     TIFFTAG_HALFTONEHINTS         321   /* !highlight+shadow info */
#define     TIFFTAG_TILEWIDTH       322   /* !tile width in pixels */
#define     TIFFTAG_TILELENGTH            323   /* !tile height in pixels */
#define TIFFTAG_TILEOFFSETS         324   /* !offsets to data tiles */
#define TIFFTAG_TILEBYTECOUNTS            325   /* !byte counts for tiles */
#define     TIFFTAG_BADFAXLINES           326   /* lines w/ wrong pixel count */
#define     TIFFTAG_CLEANFAXDATA          327   /* regenerated line info */
#define         CLEANFAXDATA_CLEAN        0     /* no errors detected */
#define         CLEANFAXDATA_REGENERATED  1     /* receiver regenerated lines */
#define         CLEANFAXDATA_UNCLEAN      2     /* uncorrected errors exist */
#define     TIFFTAG_CONSECUTIVEBADFAXLINES      328   /* max consecutive bad lines */
#define     TIFFTAG_SUBIFD                330   /* subimage descriptors */
#define     TIFFTAG_INKSET                332   /* !inks in separated image */
#define         INKSET_CMYK               1     /* !cyan-magenta-yellow-black color */
#define         INKSET_MULTIINK           2     /* !multi-ink or hi-fi color */
#define     TIFFTAG_INKNAMES        333   /* !ascii names of inks */
#define     TIFFTAG_NUMBEROFINKS          334   /* !number of inks */
#define     TIFFTAG_DOTRANGE        336   /* !0% and 100% dot codes */
#define     TIFFTAG_TARGETPRINTER         337   /* !separation target */
#define     TIFFTAG_EXTRASAMPLES          338   /* !info about extra samples */
#define         EXTRASAMPLE_UNSPECIFIED   0     /* !unspecified data */
#define         EXTRASAMPLE_ASSOCALPHA    1     /* !associated alpha data */
#define         EXTRASAMPLE_UNASSALPHA    2     /* !unassociated alpha data */
#define     TIFFTAG_SAMPLEFORMAT          339   /* !data sample format */
#define         SAMPLEFORMAT_UINT         1     /* !unsigned integer data */
#define         SAMPLEFORMAT_INT          2     /* !signed integer data */
#define         SAMPLEFORMAT_IEEEFP       3     /* !IEEE floating point data */
#define         SAMPLEFORMAT_VOID         4     /* !untyped data */
#define         SAMPLEFORMAT_COMPLEXINT   5     /* !complex signed int */
#define         SAMPLEFORMAT_COMPLEXIEEEFP      6     /* !complex ieee floating */
#define     TIFFTAG_SMINSAMPLEVALUE       340   /* !variable MinSampleValue */
#define     TIFFTAG_SMAXSAMPLEVALUE       341   /* !variable MaxSampleValue */
#define     TIFFTAG_CLIPPATH        343   /* %ClipPath
                                       [Adobe TIFF technote 2] */
#define     TIFFTAG_XCLIPPATHUNITS        344   /* %XClipPathUnits
                                       [Adobe TIFF technote 2] */
#define     TIFFTAG_YCLIPPATHUNITS        345   /* %YClipPathUnits
                                       [Adobe TIFF technote 2] */
#define     TIFFTAG_INDEXED               346   /* %Indexed
                                       [Adobe TIFF Technote 3] */
#define     TIFFTAG_JPEGTABLES            347   /* %JPEG table stream */
#define     TIFFTAG_OPIPROXY        351   /* %OPI Proxy [Adobe TIFF technote] */
/*
 * Tags 512-521 are obsoleted by Technical Note #2 which specifies a
 * revised JPEG-in-TIFF scheme.
 */
#define     TIFFTAG_JPEGPROC        512   /* !JPEG processing algorithm */
#define         JPEGPROC_BASELINE         1     /* !baseline sequential */
#define         JPEGPROC_LOSSLESS         14    /* !Huffman coded lossless */
#define     TIFFTAG_JPEGIFOFFSET          513   /* !pointer to SOI marker */
#define     TIFFTAG_JPEGIFBYTECOUNT       514   /* !JFIF stream length */
#define     TIFFTAG_JPEGRESTARTINTERVAL   515   /* !restart interval length */
#define     TIFFTAG_JPEGLOSSLESSPREDICTORS      517   /* !lossless proc predictor */
#define     TIFFTAG_JPEGPOINTTRANSFORM    518   /* !lossless point transform */
#define     TIFFTAG_JPEGQTABLES           519   /* !Q matrice offsets */
#define     TIFFTAG_JPEGDCTABLES          520   /* !DCT table offsets */
#define     TIFFTAG_JPEGACTABLES          521   /* !AC coefficient offsets */
#define     TIFFTAG_YCBCRCOEFFICIENTS     529   /* !RGB -> YCbCr transform */
#define     TIFFTAG_YCBCRSUBSAMPLING      530   /* !YCbCr subsampling factors */
#define     TIFFTAG_YCBCRPOSITIONING      531   /* !subsample positioning */
#define         YCBCRPOSITION_CENTERED    1     /* !as in PostScript Level 2 */
#define         YCBCRPOSITION_COSITED     2     /* !as in CCIR 601-1 */
#define     TIFFTAG_REFERENCEBLACKWHITE   532   /* !colorimetry info */
#define     TIFFTAG_XMLPACKET       700   /* %XML packet
                                       [Adobe XMP Specification,
                                       January 2004 */
#define TIFFTAG_OPIIMAGEID          32781 /* %OPI ImageID
                                       [Adobe TIFF technote] */
/* tags 32952-32956 are private tags registered to Island Graphics */
#define TIFFTAG_REFPTS              32953 /* image reference points */
#define TIFFTAG_REGIONTACKPOINT           32954 /* region-xform tack point */
#define TIFFTAG_REGIONWARPCORNERS   32955 /* warp quadrilateral */
#define TIFFTAG_REGIONAFFINE        32956 /* affine transformation mat */
/* tags 32995-32999 are private tags registered to SGI */
#define     TIFFTAG_MATTEING        32995 /* $use ExtraSamples */
#define     TIFFTAG_DATATYPE        32996 /* $use SampleFormat */
#define     TIFFTAG_IMAGEDEPTH            32997 /* z depth of image */
#define     TIFFTAG_TILEDEPTH       32998 /* z depth/data tile */
/* tags 33300-33309 are private tags registered to Pixar */
/*
 * TIFFTAG_PIXAR_IMAGEFULLWIDTH and TIFFTAG_PIXAR_IMAGEFULLLENGTH
 * are set when an image has been cropped out of a larger image.  
 * They reflect the size of the original uncropped image.
 * The TIFFTAG_XPOSITION and TIFFTAG_YPOSITION can be used
 * to determine the position of the smaller image in the larger one.
 */
#define TIFFTAG_PIXAR_IMAGEFULLWIDTH    33300   /* full image size in x */
#define TIFFTAG_PIXAR_IMAGEFULLLENGTH   33301   /* full image size in y */
 /* Tags 33302-33306 are used to identify special image modes and data
  * used by Pixar's texture formats.
  */
#define TIFFTAG_PIXAR_TEXTUREFORMAT 33302 /* texture map format */
#define TIFFTAG_PIXAR_WRAPMODES           33303 /* s & t wrap modes */
#define TIFFTAG_PIXAR_FOVCOT        33304 /* cotan(fov) for env. maps */
#define TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN 33305
#define TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA 33306
/* tag 33405 is a private tag registered to Eastman Kodak */
#define TIFFTAG_WRITERSERIALNUMBER      33405   /* device serial number */
/* tag 33432 is listed in the 6.0 spec w/ unknown ownership */
#define     TIFFTAG_COPYRIGHT       33432 /* copyright string */
/* IPTC TAG from RichTIFF specifications */
#define TIFFTAG_RICHTIFFIPTC        33723
/* 34016-34029 are reserved for ANSI IT8 TIFF/IT <dkelly@apago.com) */
#define TIFFTAG_IT8SITE             34016 /* site name */
#define TIFFTAG_IT8COLORSEQUENCE    34017 /* color seq. [RGB,CMYK,etc] */
#define TIFFTAG_IT8HEADER           34018 /* DDES Header */
#define TIFFTAG_IT8RASTERPADDING    34019 /* raster scanline padding */
#define TIFFTAG_IT8BITSPERRUNLENGTH 34020 /* # of bits in short run */
#define TIFFTAG_IT8BITSPEREXTENDEDRUNLENGTH 34021/* # of bits in long run */
#define TIFFTAG_IT8COLORTABLE       34022 /* LW colortable */
#define TIFFTAG_IT8IMAGECOLORINDICATOR    34023 /* BP/BL image color switch */
#define TIFFTAG_IT8BKGCOLORINDICATOR      34024 /* BP/BL bg color switch */
#define TIFFTAG_IT8IMAGECOLORVALUE  34025 /* BP/BL image color value */
#define TIFFTAG_IT8BKGCOLORVALUE    34026 /* BP/BL bg color value */
#define TIFFTAG_IT8PIXELINTENSITYRANGE    34027 /* MP pixel intensity value */
#define TIFFTAG_IT8TRANSPARENCYINDICATOR 34028  /* HC transparency switch */
#define TIFFTAG_IT8COLORCHARACTERIZATION 34029  /* color character. table */
#define TIFFTAG_IT8HCUSAGE          34030 /* HC usage indicator */
#define TIFFTAG_IT8TRAPINDICATOR    34031 /* Trapping indicator
                                       (untrapped=0, trapped=1) */
#define TIFFTAG_IT8CMYKEQUIVALENT   34032 /* CMYK color equivalents */
/* tags 34232-34236 are private tags registered to Texas Instruments */
#define TIFFTAG_FRAMECOUNT              34232   /* Sequence Frame Count */
/* tag 34377 is private tag registered to Adobe for PhotoShop */
#define TIFFTAG_PHOTOSHOP           34377 
/* tags 34665, 34853 and 40965 are documented in EXIF specification */
#define TIFFTAG_EXIFIFD             34665 /* Pointer to EXIF private directory */
/* tag 34750 is a private tag registered to Adobe? */
#define TIFFTAG_ICCPROFILE          34675 /* ICC profile data */
/* tag 34750 is a private tag registered to Pixel Magic */
#define     TIFFTAG_JBIGOPTIONS           34750 /* JBIG options */
#define TIFFTAG_GPSIFD              34853 /* Pointer to GPS private directory */
/* tags 34908-34914 are private tags registered to SGI */
#define     TIFFTAG_FAXRECVPARAMS         34908 /* encoded Class 2 ses. parms */
#define     TIFFTAG_FAXSUBADDRESS         34909 /* received SubAddr string */
#define     TIFFTAG_FAXRECVTIME           34910 /* receive time (secs) */
#define     TIFFTAG_FAXDCS                34911 /* encoded fax ses. params, Table 2/T.30 */
/* tags 37439-37443 are registered to SGI <gregl@sgi.com> */
#define TIFFTAG_STONITS             37439 /* Sample value to Nits */
/* tag 34929 is a private tag registered to FedEx */
#define     TIFFTAG_FEDEX_EDR       34929 /* unknown use */
#define TIFFTAG_INTEROPERABILITYIFD 40965 /* Pointer to Interoperability private directory */
/* Adobe Digital Negative (DNG) format tags */
#define TIFFTAG_DNGVERSION          50706 /* &DNG version number */
#define TIFFTAG_DNGBACKWARDVERSION  50707 /* &DNG compatibility version */
#define TIFFTAG_UNIQUECAMERAMODEL   50708 /* &name for the camera model */
#define TIFFTAG_LOCALIZEDCAMERAMODEL      50709 /* &localized camera model
                                       name */
#define TIFFTAG_CFAPLANECOLOR       50710 /* &CFAPattern->LinearRaw space
                                       mapping */
#define TIFFTAG_CFALAYOUT           50711 /* &spatial layout of the CFA */
#define TIFFTAG_LINEARIZATIONTABLE  50712 /* &lookup table description */
#define TIFFTAG_BLACKLEVELREPEATDIM 50713 /* &repeat pattern size for
                                       the BlackLevel tag */
#define TIFFTAG_BLACKLEVEL          50714 /* &zero light encoding level */
#define TIFFTAG_BLACKLEVELDELTAH    50715 /* &zero light encoding level
                                       differences (columns) */
#define TIFFTAG_BLACKLEVELDELTAV    50716 /* &zero light encoding level
                                       differences (rows) */
#define TIFFTAG_WHITELEVEL          50717 /* &fully saturated encoding
                                       level */
#define TIFFTAG_DEFAULTSCALE        50718 /* &default scale factors */
#define TIFFTAG_DEFAULTCROPORIGIN   50719 /* &origin of the final image
                                       area */
#define TIFFTAG_DEFAULTCROPSIZE           50720 /* &size of the final image 
                                       area */
#define TIFFTAG_COLORMATRIX1        50721 /* &XYZ->reference color space
                                       transformation matrix 1 */
#define TIFFTAG_COLORMATRIX2        50722 /* &XYZ->reference color space
                                       transformation matrix 2 */
#define TIFFTAG_CAMERACALIBRATION1  50723 /* &calibration matrix 1 */
#define TIFFTAG_CAMERACALIBRATION2  50724 /* &calibration matrix 2 */
#define TIFFTAG_REDUCTIONMATRIX1    50725 /* &dimensionality reduction
                                       matrix 1 */
#define TIFFTAG_REDUCTIONMATRIX2    50726 /* &dimensionality reduction
                                       matrix 2 */
#define TIFFTAG_ANALOGBALANCE       50727 /* &gain applied the stored raw
                                       values*/
#define TIFFTAG_ASSHOTNEUTRAL       50728 /* &selected white balance in
                                       linear reference space */
#define TIFFTAG_ASSHOTWHITEXY       50729 /* &selected white balance in
                                       x-y chromaticity
                                       coordinates */
#define TIFFTAG_BASELINEEXPOSURE    50730 /* &how much to move the zero
                                       point */
#define TIFFTAG_BASELINENOISE       50731 /* &relative noise level */
#define TIFFTAG_BASELINESHARPNESS   50732 /* &relative amount of
                                       sharpening */
#define TIFFTAG_BAYERGREENSPLIT           50733 /* &how closely the values of
                                       the green pixels in the
                                       blue/green rows track the
                                       values of the green pixels
                                       in the red/green rows */
#define TIFFTAG_LINEARRESPONSELIMIT 50734 /* &non-linear encoding range */
#define TIFFTAG_CAMERASERIALNUMBER  50735 /* &camera's serial number */
#define TIFFTAG_LENSINFO            50736 /* info about the lens */
#define TIFFTAG_CHROMABLURRADIUS    50737 /* &chroma blur radius */
#define TIFFTAG_ANTIALIASSTRENGTH   50738 /* &relative strength of the
                                       camera's anti-alias filter */
#define TIFFTAG_SHADOWSCALE         50739 /* &used by Adobe Camera Raw */
#define TIFFTAG_DNGPRIVATEDATA            50740 /* &manufacturer's private data */
#define TIFFTAG_MAKERNOTESAFETY           50741 /* &whether the EXIF MakerNote
                                       tag is safe to preserve
                                       along with the rest of the
                                       EXIF data */
#define     TIFFTAG_CALIBRATIONILLUMINANT1      50778 /* &illuminant 1 */
#define TIFFTAG_CALIBRATIONILLUMINANT2    50779 /* &illuminant 2 */
#define TIFFTAG_BESTQUALITYSCALE    50780 /* &best quality multiplier */
#define TIFFTAG_RAWDATAUNIQUEID           50781 /* &unique identifier for
                                       the raw image data */
#define TIFFTAG_ORIGINALRAWFILENAME 50827 /* &file name of the original
                                       raw file */
#define TIFFTAG_ORIGINALRAWFILEDATA 50828 /* &contents of the original
                                       raw file */
#define TIFFTAG_ACTIVEAREA          50829 /* &active (non-masked) pixels
                                       of the sensor */
#define TIFFTAG_MASKEDAREAS         50830 /* &list of coordinates
                                       of fully masked pixels */
#define TIFFTAG_ASSHOTICCPROFILE    50831 /* &these two tags used to */
#define TIFFTAG_ASSHOTPREPROFILEMATRIX    50832 /* map cameras's color space
                                       into ICC profile space */
#define TIFFTAG_CURRENTICCPROFILE   50833 /* & */
#define TIFFTAG_CURRENTPREPROFILEMATRIX   50834 /* & */
/* tag 65535 is an undefined tag used by Eastman Kodak */
#define TIFFTAG_DCSHUESHIFTVALUES       65535   /* hue shift correction data */

/*
 * The following are ``pseudo tags'' that can be used to control
 * codec-specific functionality.  These tags are not written to file.
 * Note that these values start at 0xffff+1 so that they'll never
 * collide with Aldus-assigned tags.
 *
 * If you want your private pseudo tags ``registered'' (i.e. added to
 * this file), please post a bug report via the tracking system at
 * http://www.remotesensing.org/libtiff/bugs.html with the appropriate
 * C definitions to add.
 */
#define     TIFFTAG_FAXMODE               65536 /* Group 3/4 format control */
#define         FAXMODE_CLASSIC     0x0000            /* default, include RTC */
#define         FAXMODE_NORTC 0x0001            /* no RTC at end of data */
#define         FAXMODE_NOEOL 0x0002            /* no EOL code at end of row */
#define         FAXMODE_BYTEALIGN   0x0004            /* byte align row */
#define         FAXMODE_WORDALIGN   0x0008            /* word align row */
#define         FAXMODE_CLASSF      FAXMODE_NORTC     /* TIFF Class F */
#define     TIFFTAG_JPEGQUALITY           65537 /* Compression quality level */
/* Note: quality level is on the IJG 0-100 scale.  Default value is 75 */
#define     TIFFTAG_JPEGCOLORMODE         65538 /* Auto RGB<=>YCbCr convert? */
#define         JPEGCOLORMODE_RAW   0x0000            /* no conversion (default) */
#define         JPEGCOLORMODE_RGB   0x0001            /* do auto conversion */
#define     TIFFTAG_JPEGTABLESMODE        65539 /* What to put in JPEGTables */
#define         JPEGTABLESMODE_QUANT 0x0001           /* include quantization tbls */
#define         JPEGTABLESMODE_HUFF 0x0002            /* include Huffman tbls */
/* Note: default is JPEGTABLESMODE_QUANT | JPEGTABLESMODE_HUFF */
#define     TIFFTAG_FAXFILLFUNC           65540 /* G3/G4 fill function */
#define     TIFFTAG_PIXARLOGDATAFMT       65549 /* PixarLogCodec I/O data sz */
#define         PIXARLOGDATAFMT_8BIT      0     /* regular u_char samples */
#define         PIXARLOGDATAFMT_8BITABGR  1     /* ABGR-order u_chars */
#define         PIXARLOGDATAFMT_11BITLOG  2     /* 11-bit log-encoded (raw) */
#define         PIXARLOGDATAFMT_12BITPICIO      3     /* as per PICIO (1.0==2048) */
#define         PIXARLOGDATAFMT_16BIT     4     /* signed short samples */
#define         PIXARLOGDATAFMT_FLOAT     5     /* IEEE float samples */
/* 65550-65556 are allocated to Oceana Matrix <dev@oceana.com> */
#define TIFFTAG_DCSIMAGERTYPE           65550   /* imager model & filter */
#define     DCSIMAGERMODEL_M3           0       /* M3 chip (1280 x 1024) */
#define     DCSIMAGERMODEL_M5           1       /* M5 chip (1536 x 1024) */
#define     DCSIMAGERMODEL_M6           2       /* M6 chip (3072 x 2048) */
#define     DCSIMAGERFILTER_IR          0       /* infrared filter */
#define     DCSIMAGERFILTER_MONO        1       /* monochrome filter */
#define     DCSIMAGERFILTER_CFA         2       /* color filter array */
#define     DCSIMAGERFILTER_OTHER       3       /* other filter */
#define TIFFTAG_DCSINTERPMODE           65551   /* interpolation mode */
#define     DCSINTERPMODE_NORMAL        0x0     /* whole image, default */
#define     DCSINTERPMODE_PREVIEW       0x1     /* preview of image (384x256) */
#define TIFFTAG_DCSBALANCEARRAY         65552   /* color balance values */
#define TIFFTAG_DCSCORRECTMATRIX        65553   /* color correction values */
#define TIFFTAG_DCSGAMMA                65554   /* gamma value */
#define TIFFTAG_DCSTOESHOULDERPTS       65555   /* toe & shoulder points */
#define TIFFTAG_DCSCALIBRATIONFD        65556   /* calibration file desc */
/* Note: quality level is on the ZLIB 1-9 scale. Default value is -1 */
#define     TIFFTAG_ZIPQUALITY            65557 /* compression quality level */
#define     TIFFTAG_PIXARLOGQUALITY       65558 /* PixarLog uses same scale */
/* 65559 is allocated to Oceana Matrix <dev@oceana.com> */
#define TIFFTAG_DCSCLIPRECTANGLE    65559 /* area of image to acquire */
#define TIFFTAG_SGILOGDATAFMT       65560 /* SGILog user data format */
#define     SGILOGDATAFMT_FLOAT           0     /* IEEE float samples */
#define     SGILOGDATAFMT_16BIT           1     /* 16-bit samples */
#define     SGILOGDATAFMT_RAW       2     /* uninterpreted data */
#define     SGILOGDATAFMT_8BIT            3     /* 8-bit RGB monitor values */
#define TIFFTAG_SGILOGENCODE        65561 /* SGILog data encoding control*/
#define     SGILOGENCODE_NODITHER   0     /* do not dither encoded values*/
#define     SGILOGENCODE_RANDITHER  1     /* randomly dither encd values */

/*
 * EXIF tags
 */
#define EXIFTAG_EXPOSURETIME        33434 /* Exposure time */
#define EXIFTAG_FNUMBER             33437 /* F number */
#define EXIFTAG_EXPOSUREPROGRAM           34850 /* Exposure program */
#define EXIFTAG_SPECTRALSENSITIVITY 34852 /* Spectral sensitivity */
#define EXIFTAG_ISOSPEEDRATINGS           34855 /* ISO speed rating */
#define EXIFTAG_OECF                34856 /* Optoelectric conversion
                                       factor */
#define EXIFTAG_EXIFVERSION         36864 /* Exif version */
#define EXIFTAG_DATETIMEORIGINAL    36867 /* Date and time of original
                                       data generation */
#define EXIFTAG_DATETIMEDIGITIZED   36868 /* Date and time of digital
                                       data generation */
#define EXIFTAG_COMPONENTSCONFIGURATION   37121 /* Meaning of each component */
#define EXIFTAG_COMPRESSEDBITSPERPIXEL    37122 /* Image compression mode */
#define EXIFTAG_SHUTTERSPEEDVALUE   37377 /* Shutter speed */
#define EXIFTAG_APERTUREVALUE       37378 /* Aperture */
#define EXIFTAG_BRIGHTNESSVALUE           37379 /* Brightness */
#define EXIFTAG_EXPOSUREBIASVALUE   37380 /* Exposure bias */
#define EXIFTAG_MAXAPERTUREVALUE    37381 /* Maximum lens aperture */
#define EXIFTAG_SUBJECTDISTANCE           37382 /* Subject distance */
#define EXIFTAG_METERINGMODE        37383 /* Metering mode */
#define EXIFTAG_LIGHTSOURCE         37384 /* Light source */
#define EXIFTAG_FLASH               37385 /* Flash */
#define EXIFTAG_FOCALLENGTH         37386 /* Lens focal length */
#define EXIFTAG_SUBJECTAREA         37396 /* Subject area */
#define EXIFTAG_MAKERNOTE           37500 /* Manufacturer notes */
#define EXIFTAG_USERCOMMENT         37510 /* User comments */
#define EXIFTAG_SUBSECTIME          37520 /* DateTime subseconds */
#define EXIFTAG_SUBSECTIMEORIGINAL  37521 /* DateTimeOriginal subseconds */
#define EXIFTAG_SUBSECTIMEDIGITIZED 37522 /* DateTimeDigitized subseconds */
#define EXIFTAG_FLASHPIXVERSION           40960 /* Supported Flashpix version */
#define EXIFTAG_COLORSPACE          40961 /* Color space information */
#define EXIFTAG_PIXELXDIMENSION           40962 /* Valid image width */
#define EXIFTAG_PIXELYDIMENSION           40963 /* Valid image height */
#define EXIFTAG_RELATEDSOUNDFILE    40964 /* Related audio file */
#define EXIFTAG_FLASHENERGY         41483 /* Flash energy */
#define EXIFTAG_SPATIALFREQUENCYRESPONSE 41484  /* Spatial frequency response */
#define EXIFTAG_FOCALPLANEXRESOLUTION     41486 /* Focal plane X resolution */
#define EXIFTAG_FOCALPLANEYRESOLUTION     41487 /* Focal plane Y resolution */
#define EXIFTAG_FOCALPLANERESOLUTIONUNIT 41488  /* Focal plane resolution unit */
#define EXIFTAG_SUBJECTLOCATION           41492 /* Subject location */
#define EXIFTAG_EXPOSUREINDEX       41493 /* Exposure index */
#define EXIFTAG_SENSINGMETHOD       41495 /* Sensing method */
#define EXIFTAG_FILESOURCE          41728 /* File source */
#define EXIFTAG_SCENETYPE           41729 /* Scene type */
#define EXIFTAG_CFAPATTERN          41730 /* CFA pattern */
#define EXIFTAG_CUSTOMRENDERED            41985 /* Custom image processing */
#define EXIFTAG_EXPOSUREMODE        41986 /* Exposure mode */
#define EXIFTAG_WHITEBALANCE        41987 /* White balance */
#define EXIFTAG_DIGITALZOOMRATIO    41988 /* Digital zoom ratio */
#define EXIFTAG_FOCALLENGTHIN35MMFILM     41989 /* Focal length in 35 mm film */
#define EXIFTAG_SCENECAPTURETYPE    41990 /* Scene capture type */
#define EXIFTAG_GAINCONTROL         41991 /* Gain control */
#define EXIFTAG_CONTRAST            41992 /* Contrast */
#define EXIFTAG_SATURATION          41993 /* Saturation */
#define EXIFTAG_SHARPNESS           41994 /* Sharpness */
#define EXIFTAG_DEVICESETTINGDESCRIPTION 41995  /* Device settings description */
#define EXIFTAG_SUBJECTDISTANCERANGE      41996 /* Subject distance range */
#define EXIFTAG_GAINCONTROL         41991 /* Gain control */
#define EXIFTAG_GAINCONTROL         41991 /* Gain control */
#define EXIFTAG_IMAGEUNIQUEID       42016 /* Unique image ID */

#endif /* _TIFF_ */

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