/* * TIFF I/O Library Definitions. * * Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler * Copyright (c) 1991, 1992 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. * * 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 */#pragma lib "libtiff.a"#pragma src "/sys/src/libtiff"#define TIFF_VERSION 42 #define TIFF_BIGENDIAN 0x4d4d#define TIFF_LITTLEENDIAN 0x4949 typedef struct { unsigned short tiff_magic; /* magic number (defines byte order) */ unsigned short tiff_version; /* TIFF version number */ unsigned long 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 { unsigned short tdir_tag; /* see below */ unsigned short tdir_type; /* data type; see below */ unsigned long tdir_count; /* number of items; length in spec */ unsigned long 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 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_JPEG 6 /* !JPEG 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 */#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 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_INKSET 332 /* !inks in separated image */#define INKSET_CMYK 1 /* !cyan-magenta-yellow-black */#define TIFFTAG_INKNAMES 333 /* !ascii names 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_INT 1 /* !signed integer data */#define SAMPLEFORMAT_UINT 2 /* !unsigned integer data */#define SAMPLEFORMAT_IEEEFP 3 /* !IEEE floating point data */#define SAMPLEFORMAT_VOID 4 /* !untyped data */#define TIFFTAG_SMINSAMPLEVALUE 340 /* !variable MinSampleValue */#define TIFFTAG_SMAXSAMPLEVALUE 341 /* !variable MaxSampleValue */#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 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 *//* * TIFF is defined as an incomplete type to hide the * library's internal data structures from clients. */typedef struct tiff TIFF; /* * Flags to pass to TIFFPrintDirectory to control * printing of data structures that are potentially * very large. Bit-or these flags to enable printing * multiple items. */#define TIFFPRINT_NONE 0x0 /* no extra info */#define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */#define TIFFPRINT_CURVES 0x2 /* color/gray response curves */#define TIFFPRINT_COLORMAP 0x4 /* colormap */#define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */#define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */#define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ extern char TIFFVersion[];extern unsigned char TIFFBitRevTable[256];extern unsigned char TIFFNoBitRevTable[256]; /* * Macros for extracting components from the * packed ABGR form returned by TIFFReadRGBAImage. */#define TIFFGetR(abgr) ((abgr) & 0xff)#define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)#define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)#define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)typedef void (*TIFFErrorHandler)(char* module, char* fmt, va_list ap);extern void TIFFClose(TIFF*);extern int TIFFFlush(TIFF*);extern int TIFFFlushData(TIFF*);extern int TIFFGetField(TIFF*, int, ...);extern int TIFFVGetField(TIFF*, int, va_list);extern int TIFFGetFieldDefaulted(TIFF*, int, ...);extern int TIFFVGetFieldDefaulted(TIFF*, int, va_list);extern int TIFFReadDirectory(TIFF*);extern int TIFFScanlineSize(TIFF*);extern unsigned long TIFFStripSize(TIFF*);extern unsigned long TIFFVStripSize(TIFF*, unsigned long);extern unsigned long TIFFTileRowSize(TIFF*);extern unsigned long TIFFTileSize(TIFF*);extern unsigned long TIFFVTileSize(TIFF*, unsigned long);extern int TIFFFileno(TIFF*);extern int TIFFGetMode(TIFF*);extern int TIFFIsTiled(TIFF*);extern long TIFFCurrentRow(TIFF*);extern int TIFFCurrentDirectory(TIFF*);extern int TIFFCurrentStrip(TIFF*);extern int TIFFCurrentTile(TIFF*);extern int TIFFReadBufferSetup(TIFF*, char*, unsigned);extern int TIFFSetDirectory(TIFF*, int);extern int TIFFSetField(TIFF*, int, ...);extern int TIFFVSetField(TIFF*, int, va_list);extern int TIFFWriteDirectory(TIFF *);extern TIFF* TIFFOpen(char*, char*);extern TIFF* TIFFFdOpen(int, char*, char*);extern char* TIFFFileName(TIFF*);extern void TIFFError(char*, char*, ...);extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler handler);extern void TIFFWarning(char*, char*, ...);extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler handler);extern void TIFFPrintDirectory(TIFF*, FILE*, long);extern int TIFFReadScanline(TIFF*, unsigned char*, unsigned, unsigned);extern int TIFFWriteScanline(TIFF*, unsigned char*, unsigned, unsigned);extern int TIFFReadRGBAImage(TIFF*, unsigned long, unsigned long, unsigned long*, int stop);extern unsigned int TIFFComputeTile(TIFF*, unsigned long, unsigned long, unsigned int, unsigned long);extern int TIFFCheckTile(TIFF*, unsigned long, unsigned long, unsigned long, unsigned);extern unsigned int TIFFNumberOfTiles(TIFF*);extern int TIFFReadTile(TIFF*, unsigned char*, unsigned long, unsigned long, unsigned long, unsigned);extern unsigned int TIFFComputeStrip(TIFF*, unsigned long, unsigned int);extern unsigned int TIFFNumberOfStrips(TIFF*);extern int TIFFReadEncodedStrip(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFReadRawStrip(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFReadEncodedTile(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFReadRawTile(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFWriteEncodedStrip(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFWriteRawStrip(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFWriteEncodedTile(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFWriteRawTile(TIFF*, unsigned, unsigned char*, unsigned);extern int TIFFSwabShort(unsigned short *);extern int TIFFSwabLong(unsigned long *);extern int TIFFSwabArrayOfShort(unsigned short *, int);extern int TIFFSwabArrayOfLong(unsigned long *, int);extern int TIFFReverseBits(unsigned char *, int);
/*
* TIFF I/O Library Definitions.
*
* Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
* Copyright (c) 1991, 1992 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.
*
* 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
*/
#pragma lib "libtiff.a"
#pragma src "/sys/src/libtiff"
#define TIFF_VERSION 42
#define TIFF_BIGENDIAN 0x4d4d
#define TIFF_LITTLEENDIAN 0x4949
typedef struct {
unsigned short tiff_magic; /* magic number (defines byte order) */
unsigned short tiff_version; /* TIFF version number */
unsigned long 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 {
unsigned short tdir_tag; /* see below */
unsigned short tdir_type; /* data type; see below */
unsigned long tdir_count; /* number of items; length in spec */
unsigned long 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 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_JPEG 6 /* !JPEG 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 */
#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 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_INKSET 332 /* !inks in separated image */
#define INKSET_CMYK 1 /* !cyan-magenta-yellow-black */
#define TIFFTAG_INKNAMES 333 /* !ascii names 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_INT 1 /* !signed integer data */
#define SAMPLEFORMAT_UINT 2 /* !unsigned integer data */
#define SAMPLEFORMAT_IEEEFP 3 /* !IEEE floating point data */
#define SAMPLEFORMAT_VOID 4 /* !untyped data */
#define TIFFTAG_SMINSAMPLEVALUE 340 /* !variable MinSampleValue */
#define TIFFTAG_SMAXSAMPLEVALUE 341 /* !variable MaxSampleValue */
#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 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 */
/*
* TIFF is defined as an incomplete type to hide the
* library's internal data structures from clients.
*/
typedef struct tiff TIFF;
/*
* Flags to pass to TIFFPrintDirectory to control
* printing of data structures that are potentially
* very large. Bit-or these flags to enable printing
* multiple items.
*/
#define TIFFPRINT_NONE 0x0 /* no extra info */
#define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */
#define TIFFPRINT_CURVES 0x2 /* color/gray response curves */
#define TIFFPRINT_COLORMAP 0x4 /* colormap */
#define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */
#define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */
#define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */
extern char TIFFVersion[];
extern unsigned char TIFFBitRevTable[256];
extern unsigned char TIFFNoBitRevTable[256];
/*
* Macros for extracting components from the
* packed ABGR form returned by TIFFReadRGBAImage.
*/
#define TIFFGetR(abgr) ((abgr) & 0xff)
#define TIFFGetG(abgr) (((abgr) >> 8) & 0xff)
#define TIFFGetB(abgr) (((abgr) >> 16) & 0xff)
#define TIFFGetA(abgr) (((abgr) >> 24) & 0xff)
typedef void (*TIFFErrorHandler)(char* module, char* fmt, va_list ap);
extern void TIFFClose(TIFF*);
extern int TIFFFlush(TIFF*);
extern int TIFFFlushData(TIFF*);
extern int TIFFGetField(TIFF*, int, ...);
extern int TIFFVGetField(TIFF*, int, va_list);
extern int TIFFGetFieldDefaulted(TIFF*, int, ...);
extern int TIFFVGetFieldDefaulted(TIFF*, int, va_list);
extern int TIFFReadDirectory(TIFF*);
extern int TIFFScanlineSize(TIFF*);
extern unsigned long TIFFStripSize(TIFF*);
extern unsigned long TIFFVStripSize(TIFF*, unsigned long);
extern unsigned long TIFFTileRowSize(TIFF*);
extern unsigned long TIFFTileSize(TIFF*);
extern unsigned long TIFFVTileSize(TIFF*, unsigned long);
extern int TIFFFileno(TIFF*);
extern int TIFFGetMode(TIFF*);
extern int TIFFIsTiled(TIFF*);
extern long TIFFCurrentRow(TIFF*);
extern int TIFFCurrentDirectory(TIFF*);
extern int TIFFCurrentStrip(TIFF*);
extern int TIFFCurrentTile(TIFF*);
extern int TIFFReadBufferSetup(TIFF*, char*, unsigned);
extern int TIFFSetDirectory(TIFF*, int);
extern int TIFFSetField(TIFF*, int, ...);
extern int TIFFVSetField(TIFF*, int, va_list);
extern int TIFFWriteDirectory(TIFF *);
extern TIFF* TIFFOpen(char*, char*);
extern TIFF* TIFFFdOpen(int, char*, char*);
extern char* TIFFFileName(TIFF*);
extern void TIFFError(char*, char*, ...);
extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler handler);
extern void TIFFWarning(char*, char*, ...);
extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler handler);
extern void TIFFPrintDirectory(TIFF*, FILE*, long);
extern int TIFFReadScanline(TIFF*, unsigned char*, unsigned, unsigned);
extern int TIFFWriteScanline(TIFF*, unsigned char*, unsigned, unsigned);
extern int TIFFReadRGBAImage(TIFF*, unsigned long, unsigned long, unsigned long*, int stop);
extern unsigned int TIFFComputeTile(TIFF*, unsigned long, unsigned long, unsigned int, unsigned long);
extern int TIFFCheckTile(TIFF*, unsigned long, unsigned long, unsigned long, unsigned);
extern unsigned int TIFFNumberOfTiles(TIFF*);
extern int TIFFReadTile(TIFF*, unsigned char*, unsigned long, unsigned long, unsigned long, unsigned);
extern unsigned int TIFFComputeStrip(TIFF*, unsigned long, unsigned int);
extern unsigned int TIFFNumberOfStrips(TIFF*);
extern int TIFFReadEncodedStrip(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFReadRawStrip(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFReadEncodedTile(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFReadRawTile(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFWriteEncodedStrip(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFWriteRawStrip(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFWriteEncodedTile(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFWriteRawTile(TIFF*, unsigned, unsigned char*, unsigned);
extern int TIFFSwabShort(unsigned short *);
extern int TIFFSwabLong(unsigned long *);
extern int TIFFSwabArrayOfShort(unsigned short *, int);
extern int TIFFSwabArrayOfLong(unsigned long *, int);
extern int TIFFReverseBits(unsigned char *, int);