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211 lines
7.2 KiB
211 lines
7.2 KiB
/* $Id: tif_dir.h,v 1.30.2.3 2010-06-09 21:15:27 bfriesen Exp $ */ |
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/* |
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* Copyright (c) 1988-1997 Sam Leffler |
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* Copyright (c) 1991-1997 Silicon Graphics, Inc. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that (i) the above copyright notices and this permission notice appear in |
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* all copies of the software and related documentation, and (ii) the names of |
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* Sam Leffler and Silicon Graphics may not be used in any advertising or |
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* publicity relating to the software without the specific, prior written |
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* permission of Sam Leffler and Silicon Graphics. |
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* |
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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* OF THIS SOFTWARE. |
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*/ |
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#ifndef _TIFFDIR_ |
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#define _TIFFDIR_ |
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/* |
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* ``Library-private'' Directory-related Definitions. |
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*/ |
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/* |
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* Internal format of a TIFF directory entry. |
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*/ |
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typedef struct { |
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#define FIELD_SETLONGS 4 |
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/* bit vector of fields that are set */ |
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unsigned long td_fieldsset[FIELD_SETLONGS]; |
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uint32 td_imagewidth, td_imagelength, td_imagedepth; |
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uint32 td_tilewidth, td_tilelength, td_tiledepth; |
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uint32 td_subfiletype; |
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uint16 td_bitspersample; |
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uint16 td_sampleformat; |
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uint16 td_compression; |
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uint16 td_photometric; |
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uint16 td_threshholding; |
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uint16 td_fillorder; |
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uint16 td_orientation; |
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uint16 td_samplesperpixel; |
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uint32 td_rowsperstrip; |
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uint16 td_minsamplevalue, td_maxsamplevalue; |
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double td_sminsamplevalue, td_smaxsamplevalue; |
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float td_xresolution, td_yresolution; |
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uint16 td_resolutionunit; |
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uint16 td_planarconfig; |
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float td_xposition, td_yposition; |
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uint16 td_pagenumber[2]; |
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uint16* td_colormap[3]; |
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uint16 td_halftonehints[2]; |
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uint16 td_extrasamples; |
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uint16* td_sampleinfo; |
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/* even though the name is misleading, td_stripsperimage is the number |
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* of striles (=strips or tiles) per plane, and td_nstrips the total |
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* number of striles */ |
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tstrile_t td_stripsperimage; |
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tstrile_t td_nstrips; /* size of offset & bytecount arrays */ |
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toff_t* td_stripoffset; |
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toff_t* td_stripbytecount; /* FIXME: it should be tsize_t array */ |
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int td_stripbytecountsorted; /* is the bytecount array sorted ascending? */ |
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uint16 td_nsubifd; |
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uint32* td_subifd; |
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/* YCbCr parameters */ |
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uint16 td_ycbcrsubsampling[2]; |
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uint16 td_ycbcrpositioning; |
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/* Colorimetry parameters */ |
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float* td_refblackwhite; |
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uint16* td_transferfunction[3]; |
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/* CMYK parameters */ |
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int td_inknameslen; |
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char* td_inknames; |
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int td_customValueCount; |
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TIFFTagValue *td_customValues; |
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} TIFFDirectory; |
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/* |
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* Field flags used to indicate fields that have |
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* been set in a directory, and to reference fields |
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* when manipulating a directory. |
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*/ |
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/* |
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* FIELD_IGNORE is used to signify tags that are to |
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* be processed but otherwise ignored. This permits |
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* antiquated tags to be quietly read and discarded. |
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* Note that a bit *is* allocated for ignored tags; |
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* this is understood by the directory reading logic |
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* which uses this fact to avoid special-case handling |
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*/ |
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#define FIELD_IGNORE 0 |
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/* multi-item fields */ |
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#define FIELD_IMAGEDIMENSIONS 1 |
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#define FIELD_TILEDIMENSIONS 2 |
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#define FIELD_RESOLUTION 3 |
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#define FIELD_POSITION 4 |
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/* single-item fields */ |
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#define FIELD_SUBFILETYPE 5 |
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#define FIELD_BITSPERSAMPLE 6 |
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#define FIELD_COMPRESSION 7 |
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#define FIELD_PHOTOMETRIC 8 |
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#define FIELD_THRESHHOLDING 9 |
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#define FIELD_FILLORDER 10 |
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#define FIELD_ORIENTATION 15 |
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#define FIELD_SAMPLESPERPIXEL 16 |
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#define FIELD_ROWSPERSTRIP 17 |
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#define FIELD_MINSAMPLEVALUE 18 |
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#define FIELD_MAXSAMPLEVALUE 19 |
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#define FIELD_PLANARCONFIG 20 |
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#define FIELD_RESOLUTIONUNIT 22 |
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#define FIELD_PAGENUMBER 23 |
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#define FIELD_STRIPBYTECOUNTS 24 |
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#define FIELD_STRIPOFFSETS 25 |
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#define FIELD_COLORMAP 26 |
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#define FIELD_EXTRASAMPLES 31 |
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#define FIELD_SAMPLEFORMAT 32 |
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#define FIELD_SMINSAMPLEVALUE 33 |
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#define FIELD_SMAXSAMPLEVALUE 34 |
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#define FIELD_IMAGEDEPTH 35 |
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#define FIELD_TILEDEPTH 36 |
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#define FIELD_HALFTONEHINTS 37 |
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#define FIELD_YCBCRSUBSAMPLING 39 |
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#define FIELD_YCBCRPOSITIONING 40 |
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#define FIELD_REFBLACKWHITE 41 |
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#define FIELD_TRANSFERFUNCTION 44 |
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#define FIELD_INKNAMES 46 |
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#define FIELD_SUBIFD 49 |
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/* FIELD_CUSTOM (see tiffio.h) 65 */ |
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/* end of support for well-known tags; codec-private tags follow */ |
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#define FIELD_CODEC 66 /* base of codec-private tags */ |
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/* |
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* Pseudo-tags don't normally need field bits since they |
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* are not written to an output file (by definition). |
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* The library also has express logic to always query a |
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* codec for a pseudo-tag so allocating a field bit for |
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* one is a waste. If codec wants to promote the notion |
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* of a pseudo-tag being ``set'' or ``unset'' then it can |
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* do using internal state flags without polluting the |
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* field bit space defined for real tags. |
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*/ |
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#define FIELD_PSEUDO 0 |
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#define FIELD_LAST (32*FIELD_SETLONGS-1) |
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#define TIFFExtractData(tif, type, v) \ |
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((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ |
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((v) >> (tif)->tif_typeshift[type]) & (tif)->tif_typemask[type] : \ |
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(v) & (tif)->tif_typemask[type])) |
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#define TIFFInsertData(tif, type, v) \ |
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((uint32) ((tif)->tif_header.tiff_magic == TIFF_BIGENDIAN ? \ |
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((v) & (tif)->tif_typemask[type]) << (tif)->tif_typeshift[type] : \ |
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(v) & (tif)->tif_typemask[type])) |
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#define BITn(n) (((unsigned long)1L)<<((n)&0x1f)) |
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#define BITFIELDn(tif, n) ((tif)->tif_dir.td_fieldsset[(n)/32]) |
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#define TIFFFieldSet(tif, field) (BITFIELDn(tif, field) & BITn(field)) |
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#define TIFFSetFieldBit(tif, field) (BITFIELDn(tif, field) |= BITn(field)) |
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#define TIFFClrFieldBit(tif, field) (BITFIELDn(tif, field) &= ~BITn(field)) |
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#define FieldSet(fields, f) (fields[(f)/32] & BITn(f)) |
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#define ResetFieldBit(fields, f) (fields[(f)/32] &= ~BITn(f)) |
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#if defined(__cplusplus) |
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extern "C" { |
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#endif |
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extern const TIFFFieldInfo *_TIFFGetFieldInfo(size_t *); |
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extern const TIFFFieldInfo *_TIFFGetExifFieldInfo(size_t *); |
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extern void _TIFFSetupFieldInfo(TIFF*, const TIFFFieldInfo[], size_t); |
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extern int _TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int); |
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extern void _TIFFPrintFieldInfo(TIFF*, FILE*); |
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extern TIFFDataType _TIFFSampleToTagType(TIFF*); |
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extern const TIFFFieldInfo* _TIFFFindOrRegisterFieldInfo( TIFF *tif, |
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ttag_t tag, |
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TIFFDataType dt ); |
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extern TIFFFieldInfo* _TIFFCreateAnonFieldInfo( TIFF *tif, ttag_t tag, |
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TIFFDataType dt ); |
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#define _TIFFFindFieldInfo TIFFFindFieldInfo |
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#define _TIFFFindFieldInfoByName TIFFFindFieldInfoByName |
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#define _TIFFFieldWithTag TIFFFieldWithTag |
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#define _TIFFFieldWithName TIFFFieldWithName |
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#if defined(__cplusplus) |
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} |
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#endif |
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#endif /* _TIFFDIR_ */ |
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/* vim: set ts=8 sts=8 sw=8 noet: */ |
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/* |
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* Local Variables: |
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* mode: c |
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* c-basic-offset: 8 |
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* fill-column: 78 |
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* End: |
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*/
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