| /* $Id: tif_dir.h,v 1.27 2009/09/06 13:11:27 drolon Exp $ */ |
| |
| /* |
| * Copyright (c) 1988-1997 Sam Leffler |
| * Copyright (c) 1991-1997 Silicon Graphics, Inc. |
| * |
| * Permission to use, copy, modify, distribute, and sell this software and |
| * its documentation for any purpose is hereby granted without fee, provided |
| * that (i) the above copyright notices and this permission notice appear in |
| * all copies of the software and related documentation, and (ii) the names of |
| * Sam Leffler and Silicon Graphics may not be used in any advertising or |
| * publicity relating to the software without the specific, prior written |
| * permission of Sam Leffler and Silicon Graphics. |
| * |
| * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
| * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
| * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
| * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
| * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
| * OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _TIFFDIR_ |
| #define _TIFFDIR_ |
| /* |
| * ``Library-private'' Directory-related Definitions. |
| */ |
| |
| /* |
| * Internal format of a TIFF directory entry. |
| */ |
| typedef struct { |
| #define FIELD_SETLONGS 4 |
| /* bit vector of fields that are set */ |
| unsigned long td_fieldsset[FIELD_SETLONGS]; |
| |
| uint32 td_imagewidth, td_imagelength, td_imagedepth; |
| uint32 td_tilewidth, td_tilelength, td_tiledepth; |
| uint32 td_subfiletype; |
| uint16 td_bitspersample; |
| uint16 td_sampleformat; |
| uint16 td_compression; |
| uint16 td_photometric; |
| uint16 td_threshholding; |
| uint16 td_fillorder; |
| uint16 td_orientation; |
| uint16 td_samplesperpixel; |
| uint32 td_rowsperstrip; |
| uint16 td_minsamplevalue, td_maxsamplevalue; |
| double td_sminsamplevalue, td_smaxsamplevalue; |
| float td_xresolution, td_yresolution; |
| uint16 td_resolutionunit; |
| uint16 td_planarconfig; |
| float td_xposition, td_yposition; |
| uint16 td_pagenumber[2]; |
| uint16* td_colormap[3]; |
| uint16 td_halftonehints[2]; |
| uint16 td_extrasamples; |
| uint16* td_sampleinfo; |
| /* even though the name is misleading, td_stripsperimage is the number |
| * of striles (=strips or tiles) per plane, and td_nstrips the total |
| * number of striles */ |
| tstrile_t td_stripsperimage; |
| tstrile_t td_nstrips; /* size of offset & bytecount arrays */ |
| toff_t* td_stripoffset; |
| toff_t* td_stripbytecount; /* FIXME: it should be tsize_t array */ |
| int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */ |
| uint16 td_nsubifd; |
| uint32* td_subifd; |
| /* YCbCr parameters */ |
| uint16 td_ycbcrsubsampling[2]; |
| uint16 td_ycbcrpositioning; |
| /* Colorimetry parameters */ |
| uint16* td_transferfunction[3]; |
| /* CMYK parameters */ |
| int td_inknameslen; |
| char* td_inknames; |
| |
| int td_customValueCount; |
| TIFFTagValue *td_customValues; |
| } TIFFDirectory; |
| |
| /* |
| * Field flags used to indicate fields that have |
| * been set in a directory, and to reference fields |
| * when manipulating a directory. |
| */ |
| |
| /* |
| * FIELD_IGNORE is used to signify tags that are to |
| * be processed but otherwise ignored. This permits |
| * antiquated tags to be quietly read and discarded. |
| * Note that a bit *is* allocated for ignored tags; |
| * this is understood by the directory reading logic |
| * which uses this fact to avoid special-case handling |
| */ |
| #define FIELD_IGNORE 0 |
| |
| /* multi-item fields */ |
| #define FIELD_IMAGEDIMENSIONS 1 |
| #define FIELD_TILEDIMENSIONS 2 |
| #define FIELD_RESOLUTION 3 |
| #define FIELD_POSITION 4 |
| |
| /* single-item fields */ |
| #define FIELD_SUBFILETYPE 5 |
| #define FIELD_BITSPERSAMPLE 6 |
| #define FIELD_COMPRESSION 7 |
| #define FIELD_PHOTOMETRIC 8 |
| #define FIELD_THRESHHOLDING 9 |
| #define FIELD_FILLORDER 10 |
| #define FIELD_ORIENTATION 15 |
| #define FIELD_SAMPLESPERPIXEL 16 |
| #define FIELD_ROWSPERSTRIP 17 |
| #define FIELD_MINSAMPLEVALUE 18 |
| #define FIELD_MAXSAMPLEVALUE 19 |
| #define FIELD_PLANARCONFIG 20 |
| #define FIELD_RESOLUTIONUNIT 22 |
| #define FIELD_PAGENUMBER 23 |
| #define FIELD_STRIPBYTECOUNTS 24 |
| #define FIELD_STRIPOFFSETS 25 |
| #define FIELD_COLORMAP 26 |
| #define FIELD_EXTRASAMPLES 31 |
| #define FIELD_SAMPLEFORMAT 32 |
| #define FIELD_SMINSAMPLEVALUE 33 |
| #define FIELD_SMAXSAMPLEVALUE 34 |
| #define FIELD_IMAGEDEPTH 35 |
| #define FIELD_TILEDEPTH 36 |
| #define FIELD_HALFTONEHINTS 37 |
| #define FIELD_YCBCRSUBSAMPLING 39 |
| #define FIELD_YCBCRPOSITIONING 40 |
| #define FIELD_TRANSFERFUNCTION 44 |
| #define FIELD_INKNAMES 46 |
| #define FIELD_SUBIFD 49 |
| /* FIELD_CUSTOM (see tiffio.h) 65 */ |
| /* end of support for well-known tags; codec-private tags follow */ |
| #define FIELD_CODEC 66 /* base of codec-private tags */ |
| |
| |
| /* |
| * Pseudo-tags don't normally need field bits since they |
| * are not written to an output file (by definition). |
| * The library also has express logic to always query a |
| * codec for a pseudo-tag so allocating a field bit for |
| * one is a waste. If codec wants to promote the notion |
| * of a pseudo-tag being ``set'' or ``unset'' then it can |
| * do using internal state flags without polluting the |
| * field bit space defined for real tags. |
| */ |
| #define FIELD_PSEUDO 0 |
| |
| #define FIELD_LAST (32*FIELD_SETLONGS-1) |
| |
| #define TIFFExtractData(tif, type, v) \ |
| ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ |
| ((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \ |
| (v) & (tif)->tif_typemask[type])) |
| #define TIFFInsertData(tif, type, v) \ |
| ((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ |
| ((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \ |
| (v) & (tif)->tif_typemask[type])) |
| |
| |
| #define BITn(n) (((unsigned long)1L)<<((n)&0x1f)) |
| #define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32]) |
| #define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field)) |
| #define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field)) |
| #define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field)) |
| |
| #define FieldSet(fields, f) (fields[(f)/32] & BITn(f)) |
| #define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f)) |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| extern const TIFFFieldInfo *_TIFFGetFieldInfo(size_t *); |
| extern const TIFFFieldInfo *_TIFFGetExifFieldInfo(size_t *); |
| extern void _TIFFSetupFieldInfo(TIFF*, const TIFFFieldInfo[], size_t); |
| extern int _TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int); |
| extern void _TIFFPrintFieldInfo(TIFF*, FILE*); |
| extern TIFFDataType _TIFFSampleToTagType(TIFF*); |
| extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif, |
| ttag_t tag, |
| TIFFDataType dt ); |
| extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag, |
| TIFFDataType dt ); |
| |
| #define _TIFFFindFieldInfo TIFFFindFieldInfo |
| #define _TIFFFindFieldInfoByName TIFFFindFieldInfoByName |
| #define _TIFFFieldWithTag TIFFFieldWithTag |
| #define _TIFFFieldWithName TIFFFieldWithName |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| #endif /* _TIFFDIR_ */ |
| |
| /* vim: set ts=8 sts=8 sw=8 noet: */ |
