/* $Id: tiff.h,v 1.69 2014-04-02 17:23:06 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 _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 BigTIFF design notes see the following links
 *    http://www.remotesensing.org/libtiff/bigtiffdesign.html
 *    http://www.awaresystems.be/imaging/tiff/bigtiff.html
 */

#define TIFF_VERSION_CLASSIC 42
#define TIFF_VERSION_BIG 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
 * 64-bit quantities    int64/uint64
 * strings              unsigned char*
 */

typedef TIFF_INT8_T  int8;
typedef TIFF_UINT8_T uint8;

typedef TIFF_INT16_T  int16;
typedef TIFF_UINT16_T uint16;

typedef TIFF_INT32_T  int32;
typedef TIFF_UINT32_T uint32;

typedef TIFF_INT64_T  int64;
typedef TIFF_UINT64_T uint64;

/*
 * Some types as promoted in a variable argument list
 * We use uint16_vap rather then directly using int, because this way
 * we document the type we actually want to pass through, conceptually,
 * rather then confusing the issue by merely stating the type it gets
 * promoted to
 */

typedef int uint16_vap;

/*
 * TIFF header.
 */
typedef struct {
    uint16 tiff_magic; /* magic number (defines byte order) */
    uint16 tiff_version; /* TIFF version number */
} TIFFHeaderCommon;

typedef struct {
    uint16 tiff_magic; /* magic number (defines byte order) */
    uint16 tiff_version; /* TIFF version number */
    uint32 tiff_diroff; /* byte offset to first directory */
} TIFFHeaderClassic;

typedef struct {
    uint16 tiff_magic; /* magic number (defines byte order) */
    uint16 tiff_version; /* TIFF version number */
    uint16 tiff_offsetsize; /* size of offsets, should be 8 */
    uint16 tiff_unused; /* unused word, should be 0 */
    uint64 tiff_diroff; /* byte offset to first directory */
} TIFFHeaderBig;

/*
 * 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) */
    TIFF_LONG8     = 16, /* BigTIFF 64-bit unsigned integer */
    TIFF_SLONG8    = 17, /* BigTIFF 64-bit signed integer */
    TIFF_IFD8      = 18 /* BigTIFF 64-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_T85 9 /* !TIFF/FX T.85 JBIG compression */
#define COMPRESSION_T43 10 /* !TIFF/FX T.43 colour by layered JBIG 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 COMPRESSION_LZMA 34925 /* LZMA2 */
#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_CFA 32803 /* color filter array */
#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 400-435 are from the TIFF/FX spec */
#define TIFFTAG_GLOBALPARAMETERSIFD 400 /* ! */
#define TIFFTAG_PROFILETYPE 401 /* ! */
#define PROFILETYPE_UNSPECIFIED 0 /* ! */
#define PROFILETYPE_G3_FAX 1 /* ! */
#define TIFFTAG_FAXPROFILE 402 /* ! */
#define FAXPROFILE_S 1 /* !TIFF/FX FAX profile S */
#define FAXPROFILE_F 2 /* !TIFF/FX FAX profile F */
#define FAXPROFILE_J 3 /* !TIFF/FX FAX profile J */
#define FAXPROFILE_C 4 /* !TIFF/FX FAX profile C */
#define FAXPROFILE_L 5 /* !TIFF/FX FAX profile L */
#define FAXPROFILE_M 6 /* !TIFF/FX FAX profile LM */
#define TIFFTAG_CODINGMETHODS 403 /* !TIFF/FX coding methods */
#define CODINGMETHODS_T4_1D (1 << 1) /* !T.4 1D */
#define CODINGMETHODS_T4_2D (1 << 2) /* !T.4 2D */
#define CODINGMETHODS_T6 (1 << 3) /* !T.6 */
#define CODINGMETHODS_T85 (1 << 4) /* !T.85 JBIG */
#define CODINGMETHODS_T42 (1 << 5) /* !T.42 JPEG */
#define CODINGMETHODS_T43 (1 << 6) /* !T.43 colour by layered JBIG */
#define TIFFTAG_VERSIONYEAR 404 /* !TIFF/FX version year */
#define TIFFTAG_MODENUMBER 405 /* !TIFF/FX mode number */
#define TIFFTAG_DECODE 433 /* !TIFF/FX decode */
#define TIFFTAG_IMAGEBASECOLOR 434 /* !TIFF/FX image base colour */
#define TIFFTAG_T82OPTIONS 435 /* !TIFF/FX T.82 options */
/*
 * 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_STRIPROWCOUNTS 559 /* !TIFF/FX strip row counts */
#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 */
#define TIFFTAG_CFAREPEATPATTERNDIM 33421 /* dimensions of CFA pattern */
#define TIFFTAG_CFAPATTERN 33422 /* color filter array pattern */
/* 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 */
#define TIFFTAG_IMAGELAYER 34732 /* !TIFF/FX image layer information */
/* 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 */
#define TIFFTAG_LZMAPRESET 65562 /* LZMA2 preset (compression level) */
#define TIFFTAG_PERSAMPLE 65563 /* interface for per sample tags */
#define PERSAMPLE_MERGED 0 /* present as a single value */
#define PERSAMPLE_MULTI 1 /* present as multiple 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_ */

/* vim: set ts=8 sts=8 sw=8 noet: */
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 8
 * fill-column: 78
 * End:
 */
