src/tiff/tiff.h

   1 /* $Header$ */
   2
   3 /*
   4  * Copyright (c) 1988-1997 Sam Leffler
   5  * Copyright (c) 1991-1997 Silicon Graphics, Inc.
   6  *
   7  * Permission to use, copy, modify, distribute, and sell this software and
   8  * its documentation for any purpose is hereby granted without fee, provided
   9  * that (i) the above copyright notices and this permission notice appear in
  10  * all copies of the software and related documentation, and (ii) the names of
  11  * Sam Leffler and Silicon Graphics may not be used in any advertising or
  12  * publicity relating to the software without the specific, prior written
  13  * permission of Sam Leffler and Silicon Graphics.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  17  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  18  *
  19  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  20  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  21  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  22  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  24  * OF THIS SOFTWARE.
  25  */
  26
  27 #ifndef _TIFF_
  28 #define _TIFF_
  29 /*
  30  * Tag Image File Format (TIFF)
  31  *
  32  * Based on Rev 6.0 from:
  33  *    Developer's Desk
  34  *    Aldus Corporation
  35  *    411 First Ave. South
  36  *    Suite 200
  37  *    Seattle, WA  98104
  38  *    206-622-5500
  39  */
  40 #define TIFF_VERSION    42
  41
  42 #define TIFF_BIGENDIAN          0x4d4d
  43 #define TIFF_LITTLEENDIAN       0x4949
  44
  45 #ifndef _TIFF_DATA_TYPEDEFS_
  46 #define _TIFF_DATA_TYPEDEFS_
  47 /*
  48  * Intrinsic data types required by the file format:
  49  *
  50  * 8-bit quantities     int8/uint8
  51  * 16-bit quantities    int16/uint16
  52  * 32-bit quantities    int32/uint32
  53  * strings              unsigned char*
  54  */
  55 #ifdef __STDC__
  56 typedef signed char int8;       /* NB: non-ANSI compilers may not grok */
  57 #else
  58 typedef char int8;
  59 #endif
  60 typedef unsigned char uint8;
  61 typedef short int16;
  62 typedef unsigned short uint16;  /* sizeof (uint16) must == 2 */
  63 #if defined(__alpha) || (defined(_MIPS_SZLONG) && _MIPS_SZLONG == 64)
  64 typedef int int32;
  65 typedef unsigned int uint32;    /* sizeof (uint32) must == 4 */
  66 #else
  67 typedef long int32;
  68 typedef unsigned long uint32;   /* sizeof (uint32) must == 4 */
  69 #endif
  70 #endif /* _TIFF_DATA_TYPEDEFS_ */
  71
  72 /*      For TIFFReassignTagToIgnore */
  73 enum TIFFIgnoreSense /* IGNORE tag table */
  74 {
  75         TIS_STORE,
  76         TIS_EXTRACT,
  77         TIS_EMPTY
  78 };
  79
  80 typedef struct {
  81         uint16  tiff_magic;     /* magic number (defines byte order) */
  82         uint16  tiff_version;   /* TIFF version number */
  83         uint32  tiff_diroff;    /* byte offset to first directory */
  84 } TIFFHeader;
  85
  86 /*
  87  * TIFF Image File Directories are comprised of
  88  * a table of field descriptors of the form shown
  89  * below.  The table is sorted in ascending order
  90  * by tag.  The values associated with each entry
  91  * are disjoint and may appear anywhere in the file
  92  * (so long as they are placed on a word boundary).
  93  *
  94  * If the value is 4 bytes or less, then it is placed
  95  * in the offset field to save space.  If the value
  96  * is less than 4 bytes, it is left-justified in the
  97  * offset field.
  98  */
  99 typedef struct {
 100         uint16  tdir_tag;       /* see below */
 101         uint16  tdir_type;      /* data type; see below */
 102         uint32  tdir_count;     /* number of items; length in spec */
 103         uint32  tdir_offset;    /* byte offset to field data */
 104 } TIFFDirEntry;
 105
 106 /*
 107  * NB: In the comments below,
 108  *  - items marked with a + are obsoleted by revision 5.0,
 109  *  - items marked with a ! are introduced in revision 6.0.
 110  *  - items marked with a % are introduced post revision 6.0.
 111  *  - items marked with a $ are obsoleted by revision 6.0.
 112  */
 113
 114 /*
 115  * Tag data type information.
 116  *
 117  * Note: RATIONALs are the ratio of two 32-bit integer values.
 118  */
 119 typedef enum {
 120         TIFF_NOTYPE     = 0,    /* placeholder */
 121         TIFF_BYTE       = 1,    /* 8-bit unsigned integer */
 122         TIFF_ASCII      = 2,    /* 8-bit bytes w/ last byte null */
 123         TIFF_SHORT      = 3,    /* 16-bit unsigned integer */
 124         TIFF_LONG       = 4,    /* 32-bit unsigned integer */
 125         TIFF_RATIONAL   = 5,    /* 64-bit unsigned fraction */
 126         TIFF_SBYTE      = 6,    /* !8-bit signed integer */
 127         TIFF_UNDEFINED  = 7,    /* !8-bit untyped data */
 128         TIFF_SSHORT     = 8,    /* !16-bit signed integer */
 129         TIFF_SLONG      = 9,    /* !32-bit signed integer */
 130         TIFF_SRATIONAL  = 10,   /* !64-bit signed fraction */
 131         TIFF_FLOAT      = 11,   /* !32-bit IEEE floating point */
 132         TIFF_DOUBLE     = 12    /* !64-bit IEEE floating point */
 133 } TIFFDataType;
 134
 135 /*
 136  * TIFF Tag Definitions.
 137  */
 138 #define TIFFTAG_SUBFILETYPE             254     /* subfile data descriptor */
 139 #define     FILETYPE_REDUCEDIMAGE       0x1     /* reduced resolution version */
 140 #define     FILETYPE_PAGE               0x2     /* one page of many */
 141 #define     FILETYPE_MASK               0x4     /* transparency mask */
 142 #define TIFFTAG_OSUBFILETYPE            255     /* +kind of data in subfile */
 143 #define     OFILETYPE_IMAGE             1       /* full resolution image data */
 144 #define     OFILETYPE_REDUCEDIMAGE      2       /* reduced size image data */
 145 #define     OFILETYPE_PAGE              3       /* one page of many */
 146 #define TIFFTAG_IMAGEWIDTH              256     /* image width in pixels */
 147 #define TIFFTAG_IMAGELENGTH             257     /* image height in pixels */
 148 #define TIFFTAG_BITSPERSAMPLE           258     /* bits per channel (sample) */
 149 #define TIFFTAG_COMPRESSION             259     /* data compression technique */
 150 #define     COMPRESSION_NONE            1       /* dump mode */
 151 #define     COMPRESSION_CCITTRLE        2       /* CCITT modified Huffman RLE */
 152 #define     COMPRESSION_CCITTFAX3       3       /* CCITT Group 3 fax encoding */
 153 #define     COMPRESSION_CCITTFAX4       4       /* CCITT Group 4 fax encoding */
 154 #define     COMPRESSION_LZW             5       /* Lempel-Ziv  & Welch */
 155 #define     COMPRESSION_OJPEG           6       /* !6.0 JPEG */
 156 #define     COMPRESSION_JPEG            7       /* %JPEG DCT compression */
 157 #define     COMPRESSION_NEXT            32766   /* NeXT 2-bit RLE */
 158 #define     COMPRESSION_CCITTRLEW       32771   /* #1 w/ word alignment */
 159 #define     COMPRESSION_PACKBITS        32773   /* Macintosh RLE */
 160 #define     COMPRESSION_THUNDERSCAN     32809   /* ThunderScan RLE */
 161 /* codes 32895-32898 are reserved for ANSI IT8 TIFF/IT <dkelly@etsinc.com) */
 162 #define     COMPRESSION_IT8CTPAD        32895   /* IT8 CT w/padding */
 163 #define     COMPRESSION_IT8LW           32896   /* IT8 Linework RLE */
 164 #define     COMPRESSION_IT8MP           32897   /* IT8 Monochrome picture */
 165 #define     COMPRESSION_IT8BL           32898   /* IT8 Binary line art */
 166 /* compression codes 32908-32911 are reserved for Pixar */
 167 #define     COMPRESSION_PIXARFILM       32908   /* Pixar companded 10bit LZW */
 168 #define     COMPRESSION_PIXARLOG        32909   /* Pixar companded 11bit ZIP */
 169 #define     COMPRESSION_DEFLATE         32946   /* Deflate compression */
 170 /* compression code 32947 is reserved for Oceana Matrix <dev@oceana.com> */
 171 #define     COMPRESSION_DCS             32947   /* Kodak DCS encoding */
 172 #define     COMPRESSION_JBIG            34661   /* ISO JBIG */
 173 #define     COMPRESSION_SGILOG          34676   /* SGI Log Luminance RLE */
 174 #define     COMPRESSION_SGILOG24        34677   /* SGI Log 24-bit packed */
 175 #define TIFFTAG_PHOTOMETRIC             262     /* photometric interpretation */
 176 #define     PHOTOMETRIC_MINISWHITE      0       /* min value is white */
 177 #define     PHOTOMETRIC_MINISBLACK      1       /* min value is black */
 178 #define     PHOTOMETRIC_RGB             2       /* RGB color model */
 179 #define     PHOTOMETRIC_PALETTE         3       /* color map indexed */
 180 #define     PHOTOMETRIC_MASK            4       /* $holdout mask */
 181 #define     PHOTOMETRIC_SEPARATED       5       /* !color separations */
 182 #define     PHOTOMETRIC_YCBCR           6       /* !CCIR 601 */
 183 #define     PHOTOMETRIC_CIELAB          8       /* !1976 CIE L*a*b* */
 184 #define     PHOTOMETRIC_LOGL            32844   /* CIE Log2(L) */
 185 #define     PHOTOMETRIC_LOGLUV          32845   /* CIE Log2(L) (u',v') */
 186 #define TIFFTAG_THRESHHOLDING           263     /* +thresholding used on data */
 187 #define     THRESHHOLD_BILEVEL          1       /* b&w art scan */
 188 #define     THRESHHOLD_HALFTONE         2       /* or dithered scan */
 189 #define     THRESHHOLD_ERRORDIFFUSE     3       /* usually floyd-steinberg */
 190 #define TIFFTAG_CELLWIDTH               264     /* +dithering matrix width */
 191 #define TIFFTAG_CELLLENGTH              265     /* +dithering matrix height */
 192 #define TIFFTAG_FILLORDER               266     /* data order within a byte */
 193 #define     FILLORDER_MSB2LSB           1       /* most significant -> least */
 194 #define     FILLORDER_LSB2MSB           2       /* least significant -> most */
 195 #define TIFFTAG_DOCUMENTNAME            269     /* name of doc. image is from */
 196 #define TIFFTAG_IMAGEDESCRIPTION        270     /* info about image */
 197 #define TIFFTAG_MAKE                    271     /* scanner manufacturer name */
 198 #define TIFFTAG_MODEL                   272     /* scanner model name/number */
 199 #define TIFFTAG_STRIPOFFSETS            273     /* offsets to data strips */
 200 #define TIFFTAG_ORIENTATION             274     /* +image orientation */
 201 #define     ORIENTATION_TOPLEFT         1       /* row 0 top, col 0 lhs */
 202 #define     ORIENTATION_TOPRIGHT        2       /* row 0 top, col 0 rhs */
 203 #define     ORIENTATION_BOTRIGHT        3       /* row 0 bottom, col 0 rhs */
 204 #define     ORIENTATION_BOTLEFT         4       /* row 0 bottom, col 0 lhs */
 205 #define     ORIENTATION_LEFTTOP         5       /* row 0 lhs, col 0 top */
 206 #define     ORIENTATION_RIGHTTOP        6       /* row 0 rhs, col 0 top */
 207 #define     ORIENTATION_RIGHTBOT        7       /* row 0 rhs, col 0 bottom */
 208 #define     ORIENTATION_LEFTBOT         8       /* row 0 lhs, col 0 bottom */
 209 #define TIFFTAG_SAMPLESPERPIXEL         277     /* samples per pixel */
 210 #define TIFFTAG_ROWSPERSTRIP            278     /* rows per strip of data */
 211 #define TIFFTAG_STRIPBYTECOUNTS         279     /* bytes counts for strips */
 212 #define TIFFTAG_MINSAMPLEVALUE          280     /* +minimum sample value */
 213 #define TIFFTAG_MAXSAMPLEVALUE          281     /* +maximum sample value */
 214 #define TIFFTAG_XRESOLUTION             282     /* pixels/resolution in x */
 215 #define TIFFTAG_YRESOLUTION             283     /* pixels/resolution in y */
 216 #define TIFFTAG_PLANARCONFIG            284     /* storage organization */
 217 #define     PLANARCONFIG_CONTIG         1       /* single image plane */
 218 #define     PLANARCONFIG_SEPARATE       2       /* separate planes of data */
 219 #define TIFFTAG_PAGENAME                285     /* page name image is from */
 220 #define TIFFTAG_XPOSITION               286     /* x page offset of image lhs */
 221 #define TIFFTAG_YPOSITION               287     /* y page offset of image lhs */
 222 #define TIFFTAG_FREEOFFSETS             288     /* +byte offset to free block */
 223 #define TIFFTAG_FREEBYTECOUNTS          289     /* +sizes of free blocks */
 224 #define TIFFTAG_GRAYRESPONSEUNIT        290     /* $gray scale curve accuracy */
 225 #define     GRAYRESPONSEUNIT_10S        1       /* tenths of a unit */
 226 #define     GRAYRESPONSEUNIT_100S       2       /* hundredths of a unit */
 227 #define     GRAYRESPONSEUNIT_1000S      3       /* thousandths of a unit */
 228 #define     GRAYRESPONSEUNIT_10000S     4       /* ten-thousandths of a unit */
 229 #define     GRAYRESPONSEUNIT_100000S    5       /* hundred-thousandths */
 230 #define TIFFTAG_GRAYRESPONSECURVE       291     /* $gray scale response curve */
 231 #define TIFFTAG_GROUP3OPTIONS           292     /* 32 flag bits */
 232 #define     GROUP3OPT_2DENCODING        0x1     /* 2-dimensional coding */
 233 #define     GROUP3OPT_UNCOMPRESSED      0x2     /* data not compressed */
 234 #define     GROUP3OPT_FILLBITS          0x4     /* fill to byte boundary */
 235 #define TIFFTAG_GROUP4OPTIONS           293     /* 32 flag bits */
 236 #define     GROUP4OPT_UNCOMPRESSED      0x2     /* data not compressed */
 237 #define TIFFTAG_RESOLUTIONUNIT          296     /* units of resolutions */
 238 #define     RESUNIT_NONE                1       /* no meaningful units */
 239 #define     RESUNIT_INCH                2       /* english */
 240 #define     RESUNIT_CENTIMETER          3       /* metric */
 241 #define TIFFTAG_PAGENUMBER              297     /* page numbers of multi-page */
 242 #define TIFFTAG_COLORRESPONSEUNIT       300     /* $color curve accuracy */
 243 #define     COLORRESPONSEUNIT_10S       1       /* tenths of a unit */
 244 #define     COLORRESPONSEUNIT_100S      2       /* hundredths of a unit */
 245 #define     COLORRESPONSEUNIT_1000S     3       /* thousandths of a unit */
 246 #define     COLORRESPONSEUNIT_10000S    4       /* ten-thousandths of a unit */
 247 #define     COLORRESPONSEUNIT_100000S   5       /* hundred-thousandths */
 248 #define TIFFTAG_TRANSFERFUNCTION        301     /* !colorimetry info */
 249 #define TIFFTAG_SOFTWARE                305     /* name & release */
 250 #define TIFFTAG_DATETIME                306     /* creation date and time */
 251 #define TIFFTAG_ARTIST                  315     /* creator of image */
 252 #define TIFFTAG_HOSTCOMPUTER            316     /* machine where created */
 253 #define TIFFTAG_PREDICTOR               317     /* prediction scheme w/ LZW */
 254 #define TIFFTAG_WHITEPOINT              318     /* image white point */
 255 #define TIFFTAG_PRIMARYCHROMATICITIES   319     /* !primary chromaticities */
 256 #define TIFFTAG_COLORMAP                320     /* RGB map for pallette image */
 257 #define TIFFTAG_HALFTONEHINTS           321     /* !highlight+shadow info */
 258 #define TIFFTAG_TILEWIDTH               322     /* !rows/data tile */
 259 #define TIFFTAG_TILELENGTH              323     /* !cols/data tile */
 260 #define TIFFTAG_TILEOFFSETS             324     /* !offsets to data tiles */
 261 #define TIFFTAG_TILEBYTECOUNTS          325     /* !byte counts for tiles */
 262 #define TIFFTAG_BADFAXLINES             326     /* lines w/ wrong pixel count */
 263 #define TIFFTAG_CLEANFAXDATA            327     /* regenerated line info */
 264 #define     CLEANFAXDATA_CLEAN          0       /* no errors detected */
 265 #define     CLEANFAXDATA_REGENERATED    1       /* receiver regenerated lines */
 266 #define     CLEANFAXDATA_UNCLEAN        2       /* uncorrected errors exist */
 267 #define TIFFTAG_CONSECUTIVEBADFAXLINES  328     /* max consecutive bad lines */
 268 #define TIFFTAG_SUBIFD                  330     /* subimage descriptors */
 269 #define TIFFTAG_INKSET                  332     /* !inks in separated image */
 270 #define     INKSET_CMYK                 1       /* !cyan-magenta-yellow-black */
 271 #define TIFFTAG_INKNAMES                333     /* !ascii names of inks */
 272 #define TIFFTAG_NUMBEROFINKS            334     /* !number of inks */
 273 #define TIFFTAG_DOTRANGE                336     /* !0% and 100% dot codes */
 274 #define TIFFTAG_TARGETPRINTER           337     /* !separation target */
 275 #define TIFFTAG_EXTRASAMPLES            338     /* !info about extra samples */
 276 #define     EXTRASAMPLE_UNSPECIFIED     0       /* !unspecified data */
 277 #define     EXTRASAMPLE_ASSOCALPHA      1       /* !associated alpha data */
 278 #define     EXTRASAMPLE_UNASSALPHA      2       /* !unassociated alpha data */
 279 #define TIFFTAG_SAMPLEFORMAT            339     /* !data sample format */
 280 #define     SAMPLEFORMAT_UINT           1       /* !unsigned integer data */
 281 #define     SAMPLEFORMAT_INT            2       /* !signed integer data */
 282 #define     SAMPLEFORMAT_IEEEFP         3       /* !IEEE floating point data */
 283 #define     SAMPLEFORMAT_VOID           4       /* !untyped data */
 284 #define TIFFTAG_SMINSAMPLEVALUE         340     /* !variable MinSampleValue */
 285 #define TIFFTAG_SMAXSAMPLEVALUE         341     /* !variable MaxSampleValue */
 286 #define TIFFTAG_JPEGTABLES              347     /* %JPEG table stream */
 287 /*
 288  * Tags 512-521 are obsoleted by Technical Note #2
 289  * which specifies a revised JPEG-in-TIFF scheme.
 290  */
 291 #define TIFFTAG_JPEGPROC                512     /* !JPEG processing algorithm */
 292 #define     JPEGPROC_BASELINE           1       /* !baseline sequential */
 293 #define     JPEGPROC_LOSSLESS           14      /* !Huffman coded lossless */
 294 #define TIFFTAG_JPEGIFOFFSET            513     /* !pointer to SOI marker */
 295 #define TIFFTAG_JPEGIFBYTECOUNT         514     /* !JFIF stream length */
 296 #define TIFFTAG_JPEGRESTARTINTERVAL     515     /* !restart interval length */
 297 #define TIFFTAG_JPEGLOSSLESSPREDICTORS  517     /* !lossless proc predictor */
 298 #define TIFFTAG_JPEGPOINTTRANSFORM      518     /* !lossless point transform */
 299 #define TIFFTAG_JPEGQTABLES             519     /* !Q matrice offsets */
 300 #define TIFFTAG_JPEGDCTABLES            520     /* !DCT table offsets */
 301 #define TIFFTAG_JPEGACTABLES            521     /* !AC coefficient offsets */
 302 #define TIFFTAG_YCBCRCOEFFICIENTS       529     /* !RGB -> YCbCr transform */
 303 #define TIFFTAG_YCBCRSUBSAMPLING        530     /* !YCbCr subsampling factors */
 304 #define TIFFTAG_YCBCRPOSITIONING        531     /* !subsample positioning */
 305 #define     YCBCRPOSITION_CENTERED      1       /* !as in PostScript Level 2 */
 306 #define     YCBCRPOSITION_COSITED       2       /* !as in CCIR 601-1 */
 307 #define TIFFTAG_REFERENCEBLACKWHITE     532     /* !colorimetry info */
 308 /* tags 32952-32956 are private tags registered to Island Graphics */
 309 #define TIFFTAG_REFPTS                  32953   /* image reference points */
 310 #define TIFFTAG_REGIONTACKPOINT         32954   /* region-xform tack point */
 311 #define TIFFTAG_REGIONWARPCORNERS       32955   /* warp quadrilateral */
 312 #define TIFFTAG_REGIONAFFINE            32956   /* affine transformation mat */
 313 /* tags 32995-32999 are private tags registered to SGI */
 314 #define TIFFTAG_MATTEING                32995   /* $use ExtraSamples */
 315 #define TIFFTAG_DATATYPE                32996   /* $use SampleFormat */
 316 #define TIFFTAG_IMAGEDEPTH              32997   /* z depth of image */
 317 #define TIFFTAG_TILEDEPTH               32998   /* z depth/data tile */
 318 /* tags 33300-33309 are private tags registered to Pixar */
 319 /*
 320  * TIFFTAG_PIXAR_IMAGEFULLWIDTH and TIFFTAG_PIXAR_IMAGEFULLLENGTH
 321  * are set when an image has been cropped out of a larger image.
 322  * They reflect the size of the original uncropped image.
 323  * The TIFFTAG_XPOSITION and TIFFTAG_YPOSITION can be used
 324  * to determine the position of the smaller image in the larger one.
 325  */
 326 #define TIFFTAG_PIXAR_IMAGEFULLWIDTH    33300   /* full image size in x */
 327 #define TIFFTAG_PIXAR_IMAGEFULLLENGTH   33301   /* full image size in y */
 328 /* tag 33405 is a private tag registered to Eastman Kodak */
 329 #define TIFFTAG_WRITERSERIALNUMBER      33405   /* device serial number */
 330 /* tag 33432 is listed in the 6.0 spec w/ unknown ownership */
 331 #define TIFFTAG_COPYRIGHT               33432   /* copyright string */
 332 /* IPTC TAG from RichTIFF specifications */
 333 #define TIFFTAG_RICHTIFFIPTC    33723
 334 /* 34016-34029 are reserved for ANSI IT8 TIFF/IT <dkelly@etsinc.com) */
 335 #define TIFFTAG_IT8SITE                 34016   /* site name */
 336 #define TIFFTAG_IT8COLORSEQUENCE        34017   /* color seq. [RGB,CMYK,etc] */
 337 #define TIFFTAG_IT8HEADER               34018   /* DDES Header */
 338 #define TIFFTAG_IT8RASTERPADDING        34019   /* raster scanline padding */
 339 #define TIFFTAG_IT8BITSPERRUNLENGTH     34020   /* # of bits in short run */
 340 #define TIFFTAG_IT8BITSPEREXTENDEDRUNLENGTH 34021/* # of bits in long run */
 341 #define TIFFTAG_IT8COLORTABLE           34022   /* LW colortable */
 342 #define TIFFTAG_IT8IMAGECOLORINDICATOR  34023   /* BP/BL image color switch */
 343 #define TIFFTAG_IT8BKGCOLORINDICATOR    34024   /* BP/BL bg color switch */
 344 #define TIFFTAG_IT8IMAGECOLORVALUE      34025   /* BP/BL image color value */
 345 #define TIFFTAG_IT8BKGCOLORVALUE        34026   /* BP/BL bg color value */
 346 #define TIFFTAG_IT8PIXELINTENSITYRANGE  34027   /* MP pixel intensity value */
 347 #define TIFFTAG_IT8TRANSPARENCYINDICATOR 34028  /* HC transparency switch */
 348 #define TIFFTAG_IT8COLORCHARACTERIZATION 34029  /* color character. table */
 349 /* tags 34232-34236 are private tags registered to Texas Instruments */
 350 #define TIFFTAG_FRAMECOUNT              34232   /* Sequence Frame Count */
 351 /* tag 34750 is a private tag registered to Adobe? */
 352 #define TIFFTAG_ICCPROFILE              34675   /* ICC profile data */
 353 /* tag 34377 is private tag registered to Adobe for PhotoShop */
 354 #define TIFFTAG_PHOTOSHOP                               34377
 355 /* tag 34750 is a private tag registered to Pixel Magic */
 356 #define TIFFTAG_JBIGOPTIONS             34750   /* JBIG options */
 357 /* tags 34908-34914 are private tags registered to SGI */
 358 #define TIFFTAG_FAXRECVPARAMS           34908   /* encoded Class 2 ses. parms */
 359 #define TIFFTAG_FAXSUBADDRESS           34909   /* received SubAddr string */
 360 #define TIFFTAG_FAXRECVTIME             34910   /* receive time (secs) */
 361 /* tags 37439-37443 are registered to SGI <gregl@sgi.com> */
 362 #define TIFFTAG_STONITS                 37439   /* Sample value to Nits */
 363 /* tag 34929 is a private tag registered to FedEx */
 364 #define TIFFTAG_FEDEX_EDR               34929   /* unknown use */
 365 /* tag 65535 is an undefined tag used by Eastman Kodak */
 366 #define TIFFTAG_DCSHUESHIFTVALUES       65535   /* hue shift correction data */
 367
 368 /*
 369  * The following are ``pseudo tags'' that can be
 370  * used to control codec-specific functionality.
 371  * These tags are not written to file.  Note that
 372  * these values start at 0xffff+1 so that they'll
 373  * never collide with Aldus-assigned tags.
 374  *
 375  * If you want your private pseudo tags ``registered''
 376  * (i.e. added to this file), send mail to sam@sgi.com
 377  * with the appropriate C definitions to add.
 378  */
 379 #define TIFFTAG_FAXMODE                 65536   /* Group 3/4 format control */
 380 #define     FAXMODE_CLASSIC     0x0000          /* default, include RTC */
 381 #define     FAXMODE_NORTC       0x0001          /* no RTC at end of data */
 382 #define     FAXMODE_NOEOL       0x0002          /* no EOL code at end of row */
 383 #define     FAXMODE_BYTEALIGN   0x0004          /* byte align row */
 384 #define     FAXMODE_WORDALIGN   0x0008          /* word align row */
 385 #define     FAXMODE_CLASSF      FAXMODE_NORTC   /* TIFF Class F */
 386 #define TIFFTAG_JPEGQUALITY             65537   /* Compression quality level */
 387 /* Note: quality level is on the IJG 0-100 scale.  Default value is 75 */
 388 #define TIFFTAG_JPEGCOLORMODE           65538   /* Auto RGB<=>YCbCr convert? */
 389 #define     JPEGCOLORMODE_RAW   0x0000          /* no conversion (default) */
 390 #define     JPEGCOLORMODE_RGB   0x0001          /* do auto conversion */
 391 #define TIFFTAG_JPEGTABLESMODE          65539   /* What to put in JPEGTables */
 392 #define     JPEGTABLESMODE_QUANT 0x0001         /* include quantization tbls */
 393 #define     JPEGTABLESMODE_HUFF 0x0002          /* include Huffman tbls */
 394 /* Note: default is JPEGTABLESMODE_QUANT | JPEGTABLESMODE_HUFF */
 395 #define TIFFTAG_FAXFILLFUNC             65540   /* G3/G4 fill function */
 396 #define TIFFTAG_PIXARLOGDATAFMT         65549   /* PixarLogCodec I/O data sz */
 397 #define     PIXARLOGDATAFMT_8BIT        0       /* regular u_char samples */
 398 #define     PIXARLOGDATAFMT_8BITABGR    1       /* ABGR-order u_chars */
 399 #define     PIXARLOGDATAFMT_11BITLOG    2       /* 11-bit log-encoded (raw) */
 400 #define     PIXARLOGDATAFMT_12BITPICIO  3       /* as per PICIO (1.0==2048) */
 401 #define     PIXARLOGDATAFMT_16BIT       4       /* signed short samples */
 402 #define     PIXARLOGDATAFMT_FLOAT       5       /* IEEE float samples */
 403 /* 65550-65556 are allocated to Oceana Matrix <dev@oceana.com> */
 404 #define TIFFTAG_DCSIMAGERTYPE           65550   /* imager model & filter */
 405 #define     DCSIMAGERMODEL_M3           0       /* M3 chip (1280 x 1024) */
 406 #define     DCSIMAGERMODEL_M5           1       /* M5 chip (1536 x 1024) */
 407 #define     DCSIMAGERMODEL_M6           2       /* M6 chip (3072 x 2048) */
 408 #define     DCSIMAGERFILTER_IR          0       /* infrared filter */
 409 #define     DCSIMAGERFILTER_MONO        1       /* monochrome filter */
 410 #define     DCSIMAGERFILTER_CFA         2       /* color filter array */
 411 #define     DCSIMAGERFILTER_OTHER       3       /* other filter */
 412 #define TIFFTAG_DCSINTERPMODE           65551   /* interpolation mode */
 413 #define     DCSINTERPMODE_NORMAL        0x0     /* whole image, default */
 414 #define     DCSINTERPMODE_PREVIEW       0x1     /* preview of image (384x256) */
 415 #define TIFFTAG_DCSBALANCEARRAY         65552   /* color balance values */
 416 #define TIFFTAG_DCSCORRECTMATRIX        65553   /* color correction values */
 417 #define TIFFTAG_DCSGAMMA                65554   /* gamma value */
 418 #define TIFFTAG_DCSTOESHOULDERPTS       65555   /* toe & shoulder points */
 419 #define TIFFTAG_DCSCALIBRATIONFD        65556   /* calibration file desc */
 420 /* Note: quality level is on the ZLIB 1-9 scale. Default value is -1 */
 421 #define TIFFTAG_ZIPQUALITY              65557   /* compression quality level */
 422 #define TIFFTAG_PIXARLOGQUALITY         65558   /* PixarLog uses same scale */
 423 /* 65559 is allocated to Oceana Matrix <dev@oceana.com> */
 424 #define TIFFTAG_DCSCLIPRECTANGLE        65559   /* area of image to acquire */
 425 #define TIFFTAG_SGILOGDATAFMT           65560   /* SGILog user data format */
 426 #define     SGILOGDATAFMT_FLOAT         0       /* IEEE float samples */
 427 #define     SGILOGDATAFMT_16BIT         1       /* 16-bit samples */
 428 #define     SGILOGDATAFMT_RAW           2       /* uninterpreted data */
 429 #define     SGILOGDATAFMT_8BIT          3       /* 8-bit RGB monitor values */
 430 #endif /* _TIFF_ */