/* $Id: tif_dir.h,v 1.30 2006/10/12 14:49:09 dron 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" {#endifextern	const TIFFFieldInfo *_TIFFGetFieldInfo(size_t *);extern	const TIFFFieldInfo *_TIFFGetExifFieldInfo(size_t *);extern	void _TIFFSetupFieldInfo(TIFF*, const TIFFFieldInfo[], size_t);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 _TIFFMergeFieldInfo	    TIFFMergeFieldInfo#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: */