- char* tif_name; /* name of open file */
- int tif_fd; /* open file descriptor */
- int tif_mode; /* open mode (O_*) */
- uint32 tif_flags;
-#define TIFF_FILLORDER 0x0003 /* natural bit fill order for machine */
-#define TIFF_DIRTYHEADER 0x0004 /* header must be written on close */
-#define TIFF_DIRTYDIRECT 0x0008 /* current directory must be written */
-#define TIFF_BUFFERSETUP 0x0010 /* data buffers setup */
-#define TIFF_CODERSETUP 0x0020 /* encoder/decoder setup done */
-#define TIFF_BEENWRITING 0x0040 /* written 1+ scanlines to file */
-#define TIFF_SWAB 0x0080 /* byte swap file information */
-#define TIFF_NOBITREV 0x0100 /* inhibit bit reversal logic */
-#define TIFF_MYBUFFER 0x0200 /* my raw data buffer; free on close */
-#define TIFF_ISTILED 0x0400 /* file is tile, not strip- based */
-#define TIFF_MAPPED 0x0800 /* file is mapped into memory */
-#define TIFF_POSTENCODE 0x1000 /* need call to postencode routine */
-#define TIFF_INSUBIFD 0x2000 /* currently writing a subifd */
-#define TIFF_UPSAMPLED 0x4000 /* library is doing data up-sampling */
-#define TIFF_STRIPCHOP 0x8000 /* enable strip chopping support */
-#define TIFF_HEADERONLY 0x10000 /* read header only, do not process */
- /* the first directory */
- toff_t tif_diroff; /* file offset of current directory */
- toff_t tif_nextdiroff; /* file offset of following directory */
- toff_t* tif_dirlist; /* list of offsets to already seen */
- /* directories to prevent IFD looping */
- uint16 tif_dirnumber; /* number of already seen directories */
- TIFFDirectory tif_dir; /* internal rep of current directory */
- TIFFHeader tif_header; /* file's header block */
- const int* tif_typeshift; /* data type shift counts */
- const long* tif_typemask; /* data type masks */
- uint32 tif_row; /* current scanline */
- tdir_t tif_curdir; /* current directory (index) */
- tstrip_t tif_curstrip; /* current strip for read/write */
- toff_t tif_curoff; /* current offset for read/write */
- toff_t tif_dataoff; /* current offset for writing dir */
-/* SubIFD support */
- uint16 tif_nsubifd; /* remaining subifds to write */
- toff_t tif_subifdoff; /* offset for patching SubIFD link */
-/* tiling support */
- uint32 tif_col; /* current column (offset by row too) */
- ttile_t tif_curtile; /* current tile for read/write */
- tsize_t tif_tilesize; /* # of bytes in a tile */
-/* compression scheme hooks */
- int tif_decodestatus;
- TIFFBoolMethod tif_setupdecode;/* called once before predecode */
- TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */
- TIFFBoolMethod tif_setupencode;/* called once before preencode */
- int tif_encodestatus;
- TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */
- TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */
- TIFFCodeMethod tif_decoderow; /* scanline decoding routine */
- TIFFCodeMethod tif_encoderow; /* scanline encoding routine */
- TIFFCodeMethod tif_decodestrip;/* strip decoding routine */
- TIFFCodeMethod tif_encodestrip;/* strip encoding routine */
- TIFFCodeMethod tif_decodetile; /* tile decoding routine */
- TIFFCodeMethod tif_encodetile; /* tile encoding routine */
- TIFFVoidMethod tif_close; /* cleanup-on-close routine */
- TIFFSeekMethod tif_seek; /* position within a strip routine */
- TIFFVoidMethod tif_cleanup; /* cleanup state routine */
- TIFFStripMethod tif_defstripsize;/* calculate/constrain strip size */
- TIFFTileMethod tif_deftilesize;/* calculate/constrain tile size */
- tidata_t tif_data; /* compression scheme private data */
-/* input/output buffering */
- tsize_t tif_scanlinesize;/* # of bytes in a scanline */
- tsize_t tif_scanlineskew;/* scanline skew for reading strips */
- tidata_t tif_rawdata; /* raw data buffer */
- tsize_t tif_rawdatasize;/* # of bytes in raw data buffer */
- tidata_t tif_rawcp; /* current spot in raw buffer */
- tsize_t tif_rawcc; /* bytes unread from raw buffer */
-/* memory-mapped file support */
- tidata_t tif_base; /* base of mapped file */
- toff_t tif_size; /* size of mapped file region (bytes) */
- TIFFMapFileProc tif_mapproc; /* map file method */
- TIFFUnmapFileProc tif_unmapproc;/* unmap file method */
-/* input/output callback methods */
- thandle_t tif_clientdata; /* callback parameter */
- TIFFReadWriteProc tif_readproc; /* read method */
- TIFFReadWriteProc tif_writeproc;/* write method */
- TIFFSeekProc tif_seekproc; /* lseek method */
- TIFFCloseProc tif_closeproc; /* close method */
- TIFFSizeProc tif_sizeproc; /* filesize method */
-/* post-decoding support */
- TIFFPostMethod tif_postdecode; /* post decoding routine */
-/* tag support */
- TIFFFieldInfo** tif_fieldinfo; /* sorted table of registered tags */
- size_t tif_nfields; /* # entries in registered tag table */
- const TIFFFieldInfo *tif_foundfield;/* cached pointer to already found tag */
- TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */
- TIFFClientInfoLink *tif_clientinfo; /* extra client information. */
+ char* tif_name; /* name of open file */
+ int tif_fd; /* open file descriptor */
+ int tif_mode; /* open mode (O_*) */
+ uint32 tif_flags;
+ #define TIFF_FILLORDER 0x00003 /* natural bit fill order for machine */
+ #define TIFF_DIRTYHEADER 0x00004 /* header must be written on close */
+ #define TIFF_DIRTYDIRECT 0x00008 /* current directory must be written */
+ #define TIFF_BUFFERSETUP 0x00010 /* data buffers setup */
+ #define TIFF_CODERSETUP 0x00020 /* encoder/decoder setup done */
+ #define TIFF_BEENWRITING 0x00040 /* written 1+ scanlines to file */
+ #define TIFF_SWAB 0x00080 /* byte swap file information */
+ #define TIFF_NOBITREV 0x00100 /* inhibit bit reversal logic */
+ #define TIFF_MYBUFFER 0x00200 /* my raw data buffer; free on close */
+ #define TIFF_ISTILED 0x00400 /* file is tile, not strip- based */
+ #define TIFF_MAPPED 0x00800 /* file is mapped into memory */
+ #define TIFF_POSTENCODE 0x01000 /* need call to postencode routine */
+ #define TIFF_INSUBIFD 0x02000 /* currently writing a subifd */
+ #define TIFF_UPSAMPLED 0x04000 /* library is doing data up-sampling */
+ #define TIFF_STRIPCHOP 0x08000 /* enable strip chopping support */
+ #define TIFF_HEADERONLY 0x10000 /* read header only, do not process the first directory */
+ #define TIFF_NOREADRAW 0x20000 /* skip reading of raw uncompressed image data */
+ #define TIFF_INCUSTOMIFD 0x40000 /* currently writing a custom IFD */
+ #define TIFF_BIGTIFF 0x80000 /* read/write bigtiff */
+ #define TIFF_BUF4WRITE 0x100000 /* rawcc bytes are for writing */
+ #define TIFF_DIRTYSTRIP 0x200000 /* stripoffsets/stripbytecount dirty*/
+ #define TIFF_PERSAMPLE 0x400000 /* get/set per sample tags as arrays */
+ #define TIFF_BUFFERMMAP 0x800000 /* read buffer (tif_rawdata) points into mmap() memory */
+ uint64 tif_diroff; /* file offset of current directory */
+ uint64 tif_nextdiroff; /* file offset of following directory */
+ uint64* tif_dirlist; /* list of offsets to already seen directories to prevent IFD looping */
+ uint16 tif_dirlistsize; /* number of entires in offset list */
+ uint16 tif_dirnumber; /* number of already seen directories */
+ TIFFDirectory tif_dir; /* internal rep of current directory */
+ TIFFDirectory tif_customdir; /* custom IFDs are separated from the main ones */
+ union {
+ TIFFHeaderCommon common;
+ TIFFHeaderClassic classic;
+ TIFFHeaderBig big;
+ } tif_header;
+ uint16 tif_header_size; /* file's header block and its length */
+ uint32 tif_row; /* current scanline */
+ uint16 tif_curdir; /* current directory (index) */
+ uint32 tif_curstrip; /* current strip for read/write */
+ uint64 tif_curoff; /* current offset for read/write */
+ uint64 tif_dataoff; /* current offset for writing dir */
+ /* SubIFD support */
+ uint16 tif_nsubifd; /* remaining subifds to write */
+ uint64 tif_subifdoff; /* offset for patching SubIFD link */
+ /* tiling support */
+ uint32 tif_col; /* current column (offset by row too) */
+ uint32 tif_curtile; /* current tile for read/write */
+ tmsize_t tif_tilesize; /* # of bytes in a tile */
+ /* compression scheme hooks */
+ int tif_decodestatus;
+ TIFFBoolMethod tif_fixuptags; /* called in TIFFReadDirectory */
+ TIFFBoolMethod tif_setupdecode; /* called once before predecode */
+ TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */
+ TIFFBoolMethod tif_setupencode; /* called once before preencode */
+ int tif_encodestatus;
+ TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */
+ TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */
+ TIFFCodeMethod tif_decoderow; /* scanline decoding routine */
+ TIFFCodeMethod tif_encoderow; /* scanline encoding routine */
+ TIFFCodeMethod tif_decodestrip; /* strip decoding routine */
+ TIFFCodeMethod tif_encodestrip; /* strip encoding routine */
+ TIFFCodeMethod tif_decodetile; /* tile decoding routine */
+ TIFFCodeMethod tif_encodetile; /* tile encoding routine */
+ TIFFVoidMethod tif_close; /* cleanup-on-close routine */
+ TIFFSeekMethod tif_seek; /* position within a strip routine */
+ TIFFVoidMethod tif_cleanup; /* cleanup state routine */
+ TIFFStripMethod tif_defstripsize; /* calculate/constrain strip size */
+ TIFFTileMethod tif_deftilesize; /* calculate/constrain tile size */
+ uint8* tif_data; /* compression scheme private data */
+ /* input/output buffering */
+ tmsize_t tif_scanlinesize; /* # of bytes in a scanline */
+ tmsize_t tif_scanlineskew; /* scanline skew for reading strips */
+ uint8* tif_rawdata; /* raw data buffer */
+ tmsize_t tif_rawdatasize; /* # of bytes in raw data buffer */
+ tmsize_t tif_rawdataoff; /* rawdata offset within strip */
+ tmsize_t tif_rawdataloaded;/* amount of data in rawdata */
+ uint8* tif_rawcp; /* current spot in raw buffer */
+ tmsize_t tif_rawcc; /* bytes unread from raw buffer */
+ /* memory-mapped file support */
+ uint8* tif_base; /* base of mapped file */
+ tmsize_t tif_size; /* size of mapped file region (bytes, thus tmsize_t) */
+ TIFFMapFileProc tif_mapproc; /* map file method */
+ TIFFUnmapFileProc tif_unmapproc; /* unmap file method */
+ /* input/output callback methods */
+ thandle_t tif_clientdata; /* callback parameter */
+ TIFFReadWriteProc tif_readproc; /* read method */
+ TIFFReadWriteProc tif_writeproc; /* write method */
+ TIFFSeekProc tif_seekproc; /* lseek method */
+ TIFFCloseProc tif_closeproc; /* close method */
+ TIFFSizeProc tif_sizeproc; /* filesize method */
+ /* post-decoding support */
+ TIFFPostMethod tif_postdecode; /* post decoding routine */
+ /* tag support */
+ TIFFField** tif_fields; /* sorted table of registered tags */
+ size_t tif_nfields; /* # entries in registered tag table */
+ const TIFFField* tif_foundfield; /* cached pointer to already found tag */
+ TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */
+ TIFFClientInfoLink* tif_clientinfo; /* extra client information. */
+ /* Backward compatibility stuff. We need these two fields for
+ * setting up an old tag extension scheme. */
+ TIFFFieldArray* tif_fieldscompat;
+ size_t tif_nfieldscompat;