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TIFFReadEncodedStrip(3T)	     Image Format Library C++ Reference	Manual


NAME    [Toc]    [Back]

     TIFFReadEncodedStrip - read and decode a strip of data from an open TIFF
     file

SYNOPSIS    [Toc]    [Back]

     #include <tiffio.h>
     tsize_t TIFFReadEncodedStrip(TIFF*	tif, tstrip_t strip, tdata_t buf,
     tsize_t size)

DESCRIPTION    [Toc]    [Back]

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

NOTES    [Toc]    [Back]

     The value of strip	is a ``raw strip number.''  That is, the caller	must
     take into account whether or not the data are organized in	separate
     planes (PlanarConfiguration=2).  To read a	full strip of data the data
     buffer should typically be	at least as large as the number	returned by
     TIFFStripSize(3T).

     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,

RETURN VALUES    [Toc]    [Back]

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

DIAGNOSTICS    [Toc]    [Back]

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

SEE ALSO    [Toc]    [Back]

      
      
     libtiff(3T), TIFFOpen(3T),	TIFFReadRawStrip(3T), TIFFReadScanline(3T)


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