src/common/tiff.h

/* RCSid: $Id$ */

/*
 * 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_
/*
 * 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
 */
#define TIFF_VERSION    42

#define TIFF_BIGENDIAN          0x4d4d
#define TIFF_LITTLEENDIAN       0x4949

#ifndef _TIFF_DATA_TYPEDEFS_
#define _TIFF_DATA_TYPEDEFS_
/*
 * 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*
 */
#ifdef __STDC__
typedef signed char int8;       /* NB: non-ANSI compilers may not grok */
#else
typedef char int8;
#endif
typedef unsigned char uint8;
typedef short int16;
typedef unsigned short uint16;  /* sizeof (uint16) must == 2 */
#if defined(__alpha) || (defined(_MIPS_SZLONG) && _MIPS_SZLONG == 64)
typedef int int32;
typedef unsigned int uint32;    /* sizeof (uint32) must == 4 */
#else
typedef long int32;
typedef unsigned long uint32;   /* sizeof (uint32) must == 4 */
#endif
#endif /* _TIFF_DATA_TYPEDEFS_ */

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

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

/*
 * 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 */
} 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_CCITTFAX4       4       /* CCITT Group 4 fax encoding */
#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 <[email protected]) */
#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 <[email protected]> */
#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 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_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     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     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 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     /* !rows/data tile */
#define TIFFTAG_TILELENGTH              323     /* !cols/data tile */
#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 */
#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_JPEGTABLES              347     /* %JPEG table stream */
/*
 * 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 */
/* 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 <[email protected]) */
#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 */
/* tags 34232-34236 are private tags registered to Texas Instruments */
#define TIFFTAG_FRAMECOUNT              34232   /* Sequence Frame Count */
/* tag 34750 is a private tag registered to Adobe? */
#define TIFFTAG_ICCPROFILE              34675   /* ICC profile data */
/* tag 34377 is private tag registered to Adobe for PhotoShop */
#define TIFFTAG_PHOTOSHOP                               34377 
/* tag 34750 is a private tag registered to Pixel Magic */
#define TIFFTAG_JBIGOPTIONS             34750   /* JBIG options */
/* 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) */
/* tag 34929 is a private tag registered to FedEx */
#define TIFFTAG_FEDEX_EDR               34929   /* unknown use */
/* tags 37439-37443 are registered to SGI <[email protected]> */
#define TIFFTAG_STONITS                 37439   /* Sample value to Nits */
/* 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), send mail to [email protected]
 * 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 <[email protected]> */
#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 <[email protected]> */
#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 encoded values */ 
#endif /* _TIFF_ */
Revision:	3.1
Committed:	Sat Feb 22 02:07:22 2003 UTC (22 years, 8 months ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad3R5
Log Message:	Changes and check-in for 3.5 release Includes new source files and modifications not recorded for many years See ray/doc/notes/ReleaseNotes for notes between 3.1 and 3.5 release