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#ifndef _HACKED_TIFFIOP_H_ |
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#define _HACKED_TIFFIOP_H_ |
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#include <fcntl.h> |
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#include "tiffio.h" |
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typedef unsigned char tidataval_t; /* internal image data value type */ |
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typedef tidataval_t* tidata_t; /* reference to internal image data */ |
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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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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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typedef void (*TIFFVoidMethod)(TIFF*); |
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typedef int (*TIFFBoolMethod)(TIFF*); |
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typedef int (*TIFFPreMethod)(TIFF*, tsample_t); |
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typedef int (*TIFFCodeMethod)(TIFF*, tidata_t, tsize_t, tsample_t); |
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typedef int (*TIFFSeekMethod)(TIFF*, uint32); |
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typedef void (*TIFFPostMethod)(TIFF*, tidata_t, tsize_t); |
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typedef uint32 (*TIFFStripMethod)(TIFF*, uint32); |
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typedef void (*TIFFTileMethod)(TIFF*, uint32*, uint32*); |
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typedef struct client_info { |
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struct client_info *next; |
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void *data; |
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char *name; |
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} TIFFClientInfoLink; |
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struct tiff { |
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char* tif_name; /* name of open file */ |
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int tif_fd; /* open file descriptor */ |
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int tif_mode; /* open mode (O_*) */ |
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uint32 tif_flags; |
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#define TIFF_FILLORDER 0x00003 /* natural bit fill order for machine */ |
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#define TIFF_DIRTYHEADER 0x00004 /* header must be written on close */ |
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#define TIFF_DIRTYDIRECT 0x00008 /* current directory must be written */ |
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#define TIFF_BUFFERSETUP 0x00010 /* data buffers setup */ |
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#define TIFF_CODERSETUP 0x00020 /* encoder/decoder setup done */ |
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#define TIFF_BEENWRITING 0x00040 /* written 1+ scanlines to file */ |
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#define TIFF_SWAB 0x00080 /* byte swap file information */ |
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#define TIFF_NOBITREV 0x00100 /* inhibit bit reversal logic */ |
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#define TIFF_MYBUFFER 0x00200 /* my raw data buffer; free on close */ |
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#define TIFF_ISTILED 0x00400 /* file is tile, not strip- based */ |
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#define TIFF_MAPPED 0x00800 /* file is mapped into memory */ |
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#define TIFF_POSTENCODE 0x01000 /* need call to postencode routine */ |
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#define TIFF_INSUBIFD 0x02000 /* currently writing a subifd */ |
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#define TIFF_UPSAMPLED 0x04000 /* library is doing data up-sampling */ |
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#define TIFF_STRIPCHOP 0x08000 /* enable strip chopping support */ |
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#define TIFF_HEADERONLY 0x10000 /* read header only, do not process */ |
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/* the first directory */ |
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#define TIFF_NOREADRAW 0x20000 /* skip reading of raw uncompressed */ |
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/* image data */ |
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#define TIFF_INCUSTOMIFD 0x40000 /* currently writing a custom IFD */ |
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toff_t tif_diroff; /* file offset of current directory */ |
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toff_t tif_nextdiroff; /* file offset of following directory */ |
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toff_t* tif_dirlist; /* list of offsets to already seen */ |
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/* directories to prevent IFD looping */ |
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tsize_t tif_dirlistsize;/* number of entires in offset list */ |
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uint16 tif_dirnumber; /* number of already seen directories */ |
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TIFFDirectory tif_dir; /* internal rep of current directory */ |
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TIFFDirectory tif_customdir; /* custom IFDs are separated from |
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the main ones */ |
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TIFFHeader tif_header; /* file's header block */ |
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const int* tif_typeshift; /* data type shift counts */ |
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const long* tif_typemask; /* data type masks */ |
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uint32 tif_row; /* current scanline */ |
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tdir_t tif_curdir; /* current directory (index) */ |
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tstrip_t tif_curstrip; /* current strip for read/write */ |
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toff_t tif_curoff; /* current offset for read/write */ |
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toff_t tif_dataoff; /* current offset for writing dir */ |
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/* SubIFD support */ |
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uint16 tif_nsubifd; /* remaining subifds to write */ |
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toff_t tif_subifdoff; /* offset for patching SubIFD link */ |
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/* tiling support */ |
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uint32 tif_col; /* current column (offset by row too) */ |
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ttile_t tif_curtile; /* current tile for read/write */ |
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tsize_t tif_tilesize; /* # of bytes in a tile */ |
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/* compression scheme hooks */ |
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int tif_decodestatus; |
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TIFFBoolMethod tif_setupdecode;/* called once before predecode */ |
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TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */ |
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TIFFBoolMethod tif_setupencode;/* called once before preencode */ |
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int tif_encodestatus; |
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TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */ |
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TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */ |
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TIFFCodeMethod tif_decoderow; /* scanline decoding routine */ |
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TIFFCodeMethod tif_encoderow; /* scanline encoding routine */ |
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TIFFCodeMethod tif_decodestrip;/* strip decoding routine */ |
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TIFFCodeMethod tif_encodestrip;/* strip encoding routine */ |
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TIFFCodeMethod tif_decodetile; /* tile decoding routine */ |
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TIFFCodeMethod tif_encodetile; /* tile encoding routine */ |
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TIFFVoidMethod tif_close; /* cleanup-on-close routine */ |
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TIFFSeekMethod tif_seek; /* position within a strip routine */ |
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TIFFVoidMethod tif_cleanup; /* cleanup state routine */ |
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TIFFStripMethod tif_defstripsize;/* calculate/constrain strip size */ |
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TIFFTileMethod tif_deftilesize;/* calculate/constrain tile size */ |
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tidata_t tif_data; /* compression scheme private data */ |
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/* input/output buffering */ |
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tsize_t tif_scanlinesize;/* # of bytes in a scanline */ |
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tsize_t tif_scanlineskew;/* scanline skew for reading strips */ |
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tidata_t tif_rawdata; /* raw data buffer */ |
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tsize_t tif_rawdatasize;/* # of bytes in raw data buffer */ |
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tidata_t tif_rawcp; /* current spot in raw buffer */ |
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tsize_t tif_rawcc; /* bytes unread from raw buffer */ |
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/* memory-mapped file support */ |
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tidata_t tif_base; /* base of mapped file */ |
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toff_t tif_size; /* size of mapped file region (bytes) |
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FIXME: it should be tsize_t */ |
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TIFFMapFileProc tif_mapproc; /* map file method */ |
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TIFFUnmapFileProc tif_unmapproc;/* unmap file method */ |
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/* input/output callback methods */ |
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thandle_t tif_clientdata; /* callback parameter */ |
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TIFFReadWriteProc tif_readproc; /* read method */ |
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TIFFReadWriteProc tif_writeproc;/* write method */ |
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TIFFSeekProc tif_seekproc; /* lseek method */ |
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TIFFCloseProc tif_closeproc; /* close method */ |
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TIFFSizeProc tif_sizeproc; /* filesize method */ |
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/* post-decoding support */ |
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TIFFPostMethod tif_postdecode; /* post decoding routine */ |
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/* tag support */ |
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TIFFFieldInfo** tif_fieldinfo; /* sorted table of registered tags */ |
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size_t tif_nfields; /* # entries in registered tag table */ |
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const TIFFFieldInfo *tif_foundfield;/* cached pointer to already found tag */ |
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TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */ |
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TIFFClientInfoLink *tif_clientinfo; /* extra client information. */ |
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}; |
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#if defined(__cplusplus) |
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extern "C" { |
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#endif |
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extern int _TIFFDataSize(TIFFDataType); |
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#if defined(__cplusplus) |
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} |
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#endif |
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#endif |
