1 /* $Header: /CVS_DB/Eos/include/tiff.h,v 1.1.1.1 2002/02/01 05:14:00 tacyas Exp $ */
4 * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
5 * Copyright (c) 1991, 1992 Silicon Graphics, Inc.
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.
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.
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
30 * Tag Image File Format (TIFF)
32 * Based on Rev 6.0 from:
35 * 411 First Ave. South
40 #define TIFF_VERSION 42
42 #define TIFF_BIGENDIAN 0x4d4d
43 #define TIFF_LITTLEENDIAN 0x4949
46 unsigned short tiff_magic; /* magic number (defines byte order) */
47 unsigned short tiff_version; /* TIFF version number */
48 unsigned long tiff_diroff; /* byte offset to first directory */
52 * TIFF Image File Directories are comprised of
53 * a table of field descriptors of the form shown
54 * below. The table is sorted in ascending order
55 * by tag. The values associated with each entry
56 * are disjoint and may appear anywhere in the file
57 * (so long as they are placed on a word boundary).
59 * If the value is 4 bytes or less, then it is placed
60 * in the offset field to save space. If the value
61 * is less than 4 bytes, it is left-justified in the
65 unsigned short tdir_tag; /* see below */
66 unsigned short tdir_type; /* data type; see below */
67 unsigned long tdir_count; /* number of items; length in spec */
68 unsigned long tdir_offset; /* byte offset to field data */
72 * NB: In the comments below,
73 * - items marked with a + are obsoleted by revision 5.0,
74 * - items marked with a ! are introduced in revision 6.0.
75 * - items marked with a $ are obsoleted by revision 6.0.
79 * Tag data type information.
81 * Note: RATIONALs are the ratio of two 32-bit integer values.
84 TIFF_NOTYPE = 0, /* placeholder */
85 TIFF_BYTE = 1, /* 8-bit unsigned integer */
86 TIFF_ASCII = 2, /* 8-bit bytes w/ last byte null */
87 TIFF_SHORT = 3, /* 16-bit unsigned integer */
88 TIFF_LONG = 4, /* 32-bit unsigned integer */
89 TIFF_RATIONAL = 5, /* 64-bit unsigned fraction */
90 TIFF_SBYTE = 6, /* !8-bit signed integer */
91 TIFF_UNDEFINED = 7, /* !8-bit untyped data */
92 TIFF_SSHORT = 8, /* !16-bit signed integer */
93 TIFF_SLONG = 9, /* !32-bit signed integer */
94 TIFF_SRATIONAL = 10, /* !64-bit signed fraction */
95 TIFF_FLOAT = 11, /* !32-bit IEEE floating point */
96 TIFF_DOUBLE = 12 /* !64-bit IEEE floating point */
100 * TIFF Tag Definitions.
102 #define TIFFTAG_SUBFILETYPE 254 /* subfile data descriptor */
103 #define FILETYPE_REDUCEDIMAGE 0x1 /* reduced resolution version */
104 #define FILETYPE_PAGE 0x2 /* one page of many */
105 #define FILETYPE_MASK 0x4 /* transparency mask */
106 #define TIFFTAG_OSUBFILETYPE 255 /* +kind of data in subfile */
107 #define OFILETYPE_IMAGE 1 /* full resolution image data */
108 #define OFILETYPE_REDUCEDIMAGE 2 /* reduced size image data */
109 #define OFILETYPE_PAGE 3 /* one page of many */
110 #define TIFFTAG_IMAGEWIDTH 256 /* image width in pixels */
111 #define TIFFTAG_IMAGELENGTH 257 /* image height in pixels */
112 #define TIFFTAG_BITSPERSAMPLE 258 /* bits per channel (sample) */
113 #define TIFFTAG_COMPRESSION 259 /* data compression technique */
114 #define COMPRESSION_NONE 1 /* dump mode */
115 #define COMPRESSION_CCITTRLE 2 /* CCITT modified Huffman RLE */
116 #define COMPRESSION_CCITTFAX3 3 /* CCITT Group 3 fax encoding */
117 #define COMPRESSION_CCITTFAX4 4 /* CCITT Group 4 fax encoding */
118 #define COMPRESSION_LZW 5 /* Lempel-Ziv & Welch */
119 #define COMPRESSION_JPEG 6 /* !JPEG compression */
120 #define COMPRESSION_NEXT 32766 /* NeXT 2-bit RLE */
121 #define COMPRESSION_CCITTRLEW 32771 /* #1 w/ word alignment */
122 #define COMPRESSION_PACKBITS 32773 /* Macintosh RLE */
123 #define COMPRESSION_THUNDERSCAN 32809 /* ThunderScan RLE */
124 #define TIFFTAG_PHOTOMETRIC 262 /* photometric interpretation */
125 #define PHOTOMETRIC_MINISWHITE 0 /* min value is white */
126 #define PHOTOMETRIC_MINISBLACK 1 /* min value is black */
127 #define PHOTOMETRIC_RGB 2 /* RGB color model */
128 #define PHOTOMETRIC_PALETTE 3 /* color map indexed */
129 #define PHOTOMETRIC_MASK 4 /* $holdout mask */
130 #define PHOTOMETRIC_SEPARATED 5 /* !color separations */
131 #define PHOTOMETRIC_YCBCR 6 /* !CCIR 601 */
132 #define PHOTOMETRIC_CIELAB 8 /* !1976 CIE L*a*b* */
133 #define TIFFTAG_THRESHHOLDING 263 /* +thresholding used on data */
134 #define THRESHHOLD_BILEVEL 1 /* b&w art scan */
135 #define THRESHHOLD_HALFTONE 2 /* or dithered scan */
136 #define THRESHHOLD_ERRORDIFFUSE 3 /* usually floyd-steinberg */
137 #define TIFFTAG_CELLWIDTH 264 /* +dithering matrix width */
138 #define TIFFTAG_CELLLENGTH 265 /* +dithering matrix height */
139 #define TIFFTAG_FILLORDER 266 /* data order within a byte */
140 #define FILLORDER_MSB2LSB 1 /* most significant -> least */
141 #define FILLORDER_LSB2MSB 2 /* least significant -> most */
142 #define TIFFTAG_DOCUMENTNAME 269 /* name of doc. image is from */
143 #define TIFFTAG_IMAGEDESCRIPTION 270 /* info about image */
144 #define TIFFTAG_MAKE 271 /* scanner manufacturer name */
145 #define TIFFTAG_MODEL 272 /* scanner model name/number */
146 #define TIFFTAG_STRIPOFFSETS 273 /* offsets to data strips */
147 #define TIFFTAG_ORIENTATION 274 /* +image orientation */
148 #define ORIENTATION_TOPLEFT 1 /* row 0 top, col 0 lhs */
149 #define ORIENTATION_TOPRIGHT 2 /* row 0 top, col 0 rhs */
150 #define ORIENTATION_BOTRIGHT 3 /* row 0 bottom, col 0 rhs */
151 #define ORIENTATION_BOTLEFT 4 /* row 0 bottom, col 0 lhs */
152 #define ORIENTATION_LEFTTOP 5 /* row 0 lhs, col 0 top */
153 #define ORIENTATION_RIGHTTOP 6 /* row 0 rhs, col 0 top */
154 #define ORIENTATION_RIGHTBOT 7 /* row 0 rhs, col 0 bottom */
155 #define ORIENTATION_LEFTBOT 8 /* row 0 lhs, col 0 bottom */
156 #define TIFFTAG_SAMPLESPERPIXEL 277 /* samples per pixel */
157 #define TIFFTAG_ROWSPERSTRIP 278 /* rows per strip of data */
158 #define TIFFTAG_STRIPBYTECOUNTS 279 /* bytes counts for strips */
159 #define TIFFTAG_MINSAMPLEVALUE 280 /* +minimum sample value */
160 #define TIFFTAG_MAXSAMPLEVALUE 281 /* +maximum sample value */
161 #define TIFFTAG_XRESOLUTION 282 /* pixels/resolution in x */
162 #define TIFFTAG_YRESOLUTION 283 /* pixels/resolution in y */
163 #define TIFFTAG_PLANARCONFIG 284 /* storage organization */
164 #define PLANARCONFIG_CONTIG 1 /* single image plane */
165 #define PLANARCONFIG_SEPARATE 2 /* separate planes of data */
166 #define TIFFTAG_PAGENAME 285 /* page name image is from */
167 #define TIFFTAG_XPOSITION 286 /* x page offset of image lhs */
168 #define TIFFTAG_YPOSITION 287 /* y page offset of image lhs */
169 #define TIFFTAG_FREEOFFSETS 288 /* +byte offset to free block */
170 #define TIFFTAG_FREEBYTECOUNTS 289 /* +sizes of free blocks */
171 #define TIFFTAG_GRAYRESPONSEUNIT 290 /* $gray scale curve accuracy */
172 #define GRAYRESPONSEUNIT_10S 1 /* tenths of a unit */
173 #define GRAYRESPONSEUNIT_100S 2 /* hundredths of a unit */
174 #define GRAYRESPONSEUNIT_1000S 3 /* thousandths of a unit */
175 #define GRAYRESPONSEUNIT_10000S 4 /* ten-thousandths of a unit */
176 #define GRAYRESPONSEUNIT_100000S 5 /* hundred-thousandths */
177 #define TIFFTAG_GRAYRESPONSECURVE 291 /* $gray scale response curve */
178 #define TIFFTAG_GROUP3OPTIONS 292 /* 32 flag bits */
179 #define GROUP3OPT_2DENCODING 0x1 /* 2-dimensional coding */
180 #define GROUP3OPT_UNCOMPRESSED 0x2 /* data not compressed */
181 #define GROUP3OPT_FILLBITS 0x4 /* fill to byte boundary */
182 #define TIFFTAG_GROUP4OPTIONS 293 /* 32 flag bits */
183 #define GROUP4OPT_UNCOMPRESSED 0x2 /* data not compressed */
184 #define TIFFTAG_RESOLUTIONUNIT 296 /* units of resolutions */
185 #define RESUNIT_NONE 1 /* no meaningful units */
186 #define RESUNIT_INCH 2 /* english */
187 #define RESUNIT_CENTIMETER 3 /* metric */
188 #define TIFFTAG_PAGENUMBER 297 /* page numbers of multi-page */
189 #define TIFFTAG_COLORRESPONSEUNIT 300 /* $color curve accuracy */
190 #define COLORRESPONSEUNIT_10S 1 /* tenths of a unit */
191 #define COLORRESPONSEUNIT_100S 2 /* hundredths of a unit */
192 #define COLORRESPONSEUNIT_1000S 3 /* thousandths of a unit */
193 #define COLORRESPONSEUNIT_10000S 4 /* ten-thousandths of a unit */
194 #define COLORRESPONSEUNIT_100000S 5 /* hundred-thousandths */
195 #define TIFFTAG_TRANSFERFUNCTION 301 /* !colorimetry info */
196 #define TIFFTAG_SOFTWARE 305 /* name & release */
197 #define TIFFTAG_DATETIME 306 /* creation date and time */
198 #define TIFFTAG_ARTIST 315 /* creator of image */
199 #define TIFFTAG_HOSTCOMPUTER 316 /* machine where created */
200 #define TIFFTAG_PREDICTOR 317 /* prediction scheme w/ LZW */
201 #define TIFFTAG_WHITEPOINT 318 /* image white point */
202 #define TIFFTAG_PRIMARYCHROMATICITIES 319 /* !primary chromaticities */
203 #define TIFFTAG_COLORMAP 320 /* RGB map for pallette image */
204 #define TIFFTAG_HALFTONEHINTS 321 /* !highlight+shadow info */
205 #define TIFFTAG_TILEWIDTH 322 /* !rows/data tile */
206 #define TIFFTAG_TILELENGTH 323 /* !cols/data tile */
207 #define TIFFTAG_TILEOFFSETS 324 /* !offsets to data tiles */
208 #define TIFFTAG_TILEBYTECOUNTS 325 /* !byte counts for tiles */
209 #define TIFFTAG_BADFAXLINES 326 /* lines w/ wrong pixel count */
210 #define TIFFTAG_CLEANFAXDATA 327 /* regenerated line info */
211 #define CLEANFAXDATA_CLEAN 0 /* no errors detected */
212 #define CLEANFAXDATA_REGENERATED 1 /* receiver regenerated lines */
213 #define CLEANFAXDATA_UNCLEAN 2 /* uncorrected errors exist */
214 #define TIFFTAG_CONSECUTIVEBADFAXLINES 328 /* max consecutive bad lines */
215 #define TIFFTAG_INKSET 332 /* !inks in separated image */
216 #define INKSET_CMYK 1 /* !cyan-magenta-yellow-black */
217 #define TIFFTAG_INKNAMES 333 /* !ascii names of inks */
218 #define TIFFTAG_DOTRANGE 336 /* !0% and 100% dot codes */
219 #define TIFFTAG_TARGETPRINTER 337 /* !separation target */
220 #define TIFFTAG_EXTRASAMPLES 338 /* !info about extra samples */
221 #define EXTRASAMPLE_UNSPECIFIED 0 /* !unspecified data */
222 #define EXTRASAMPLE_ASSOCALPHA 1 /* !associated alpha data */
223 #define EXTRASAMPLE_UNASSALPHA 2 /* !unassociated alpha data */
224 #define TIFFTAG_SAMPLEFORMAT 339 /* !data sample format */
225 #define SAMPLEFORMAT_INT 1 /* !signed integer data */
226 #define SAMPLEFORMAT_UINT 2 /* !unsigned integer data */
227 #define SAMPLEFORMAT_IEEEFP 3 /* !IEEE floating point data */
228 #define SAMPLEFORMAT_VOID 4 /* !untyped data */
229 #define TIFFTAG_SMINSAMPLEVALUE 340 /* !variable MinSampleValue */
230 #define TIFFTAG_SMAXSAMPLEVALUE 341 /* !variable MaxSampleValue */
231 #define TIFFTAG_JPEGPROC 512 /* !JPEG processing algorithm */
232 #define JPEGPROC_BASELINE 1 /* !baseline sequential */
233 #define JPEGPROC_LOSSLESS 14 /* !Huffman coded lossless */
234 #define TIFFTAG_JPEGIFOFFSET 513 /* !pointer to SOI marker */
235 #define TIFFTAG_JPEGIFBYTECOUNT 514 /* !JFIF stream length */
236 #define TIFFTAG_JPEGRESTARTINTERVAL 515 /* !restart interval length */
237 #define TIFFTAG_JPEGLOSSLESSPREDICTORS 517 /* !lossless proc predictor */
238 #define TIFFTAG_JPEGPOINTTRANSFORM 518 /* !lossless point transform */
239 #define TIFFTAG_JPEGQTABLES 519 /* !Q matrice offsets */
240 #define TIFFTAG_JPEGDCTABLES 520 /* !DCT table offsets */
241 #define TIFFTAG_JPEGACTABLES 521 /* !AC coefficient offsets */
242 #define TIFFTAG_YCBCRCOEFFICIENTS 529 /* !RGB -> YCbCr transform */
243 #define TIFFTAG_YCBCRSUBSAMPLING 530 /* !YCbCr subsampling factors */
244 #define TIFFTAG_YCBCRPOSITIONING 531 /* !subsample positioning */
245 #define YCBCRPOSITION_CENTERED 1 /* !as in PostScript Level 2 */
246 #define YCBCRPOSITION_COSITED 2 /* !as in CCIR 601-1 */
247 #define TIFFTAG_REFERENCEBLACKWHITE 532 /* !colorimetry info */
248 /* tags 32995-32999 are private tags registered to SGI */
249 #define TIFFTAG_MATTEING 32995 /* $use ExtraSamples */
250 #define TIFFTAG_DATATYPE 32996 /* $use SampleFormat */
251 #define TIFFTAG_IMAGEDEPTH 32997 /* z depth of image */
252 #define TIFFTAG_TILEDEPTH 32998 /* z depth/data tile */