NAME¶
TIFFWritedEncodedTile - compress and write a tile of data to an open
TIFF file
SYNOPSIS¶
#include <tiffio.h>
tsize_t TIFFWriteEncodedTile(TIFF *tif, ttile_t
tile, tdata_t buf, tsize_t size)
DESCRIPTION¶
Compress
size bytes of raw data from
buf and
append the
result to the end of the specified tile. Note that 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 places (
PlanarConfiguration=2).
TIFFComputeTile automatically does this when converting an
(x,y,z,sample) coordinate quadruple to a tile number.
NOTES¶
The library writes encoded data using the native machine byte order. Correctly
implemented
TIFF readers are expected to do any necessary
byte-swapping to correctly process image data with BitsPerSample greater than
8.
RETURN VALUES¶
-1 is returned if an error was encountered. Otherwise, the value of
size
is returned.
DIAGNOSTICS¶
All error messages are directed to the
TIFFError(3TIFF) routine.
%s: File not open for writing. The file was opened for reading, not
writing.
Can not write tiles to a stripped image. The image is assumed to be
organized in strips because neither of the
TileWidth or
TileLength tags have been set with
TIFFSetField(3TIFF).
%s: Must set "ImageWidth" before writing data. The image's
width has not be set before the first write. See
TIFFSetField(3TIFF)
for information on how to do this.
%s: Must set "PlanarConfiguration" before writing data. The
organization of data has not be defined before the first write. See
TIFFSetField(3TIFF) for information on how to do this.
%s: No space for tile arrays". There was not enough space for the
arrays that hold tile offsets and byte counts.
SEE ALSO¶
TIFFOpen(3TIFF),
TIFFWriteTile(3TIFF),
TIFFWriteRawTile(3TIFF),
libtiff(3TIFF)
Libtiff library home page:
http://www.remotesensing.org/libtiff/
