TIFFReadRawTile man page on DigitalUNIX

TIFFReadRawTile man page on DigitalUNIX

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TIFFReadRawTile(3T)					   TIFFReadRawTile(3T)

NAME
       TIFFReadRawTile	-  return  an undecoded tile of data from an open TIFF
       file

SYNOPSIS
       #include <tiffio.h>
       tsize_t TIFFReadRawTile(TIFF* tif, ttile_t tile, tdata_t	 buf,  tsize_t
       size)

DESCRIPTION
       Read  the  contents of the specified tile into the (user supplied) data
       buffer.	Note that the value of tile is a ``raw	tile  number.''	  That
       is,  the caller must take into account whether or not the data is orga‐
       nized  in  separate  planes  (PlanarConfiguration=2).   TIFFComputeTile
       automatically  does  this  when converting an (x,y,z,sample) coordinate
       quadruple to a tile number.  To read a full tile of data the data  buf‐
       fer  should  typically  be  at  least as large as the value returned by
       TIFFTileSize.

RETURN VALUES
       The actual number of bytes of data that were placed in buf is returned;
       TIFFReadEncodedTile returns -1 if an error was encountered.

DIAGNOSTICS
       All error messages are directed to the TIFFError(3T) routine.

SEE ALSO
       libtiff(3T),  TIFFOpen(3T),  TIFFReadEncodedTile(3T), TIFFReadTile(3T),
       TIFFTileSize(3T)

			       October 15, 1995		   TIFFReadRawTile(3T)

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