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TIFFReadEncodedTile(3T) 						  TIFFReadEncodedTile(3T)

       TIFFReadEncodedTile - read and decode a tile of data from an open TIFF file

       #include <tiffio.h>
       int TIFFReadEncodedTile(TIFF* tif, u_long tile, u_char* buf, u_long size)

       Read  the specified tile of data and place up to size bytes of decompressed information in
       the (user supplied) data buffer.

       The value of tile is a ``raw tile number.''  That is, the caller must  take  into  account
       whether	or  not the data are organized in separate planes (PlanarConfiguration=2).  TIFF-
       ComputeTile 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 buffer should be at least as large
       as the value returned by TIFFTileSize.

       The library attempts to hide bit- and byte-ordering differences between the image and  the
       native  machine	by  converting data to the native machine order.  Bit reversal is done if
       the FillOrder tag is opposite to the native machine bit order.  16- and 32-bit samples are
       automatically  byte-swapped  if	the  file  was	written with a byte order opposite to the
       native machine byte order,

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

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

       libtiff(3T), TIFFOpen(3T), TIFFReadRawTile(3T), TIFFReadTile(3T)

					 October 15, 1995		  TIFFReadEncodedTile(3T)
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