Manual Reference Pages - TIFFREADENCODEDSTRIP (3)
TIFFReadEncodedStrip - read and decode a strip of data from an open
tsize_t TIFFReadEncodedStrip(TIFF *tif, tstrip_t strip, tdata_t buf, tsize_t size)
Read the specified strip of data and place up to
size bytes of decompressed information in the (user supplied) data buffer.
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
If the -1 passed in
size parameter, the whole strip will be read. You should be sure you have enough
space allocated for the buffer.
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;
TIFFReadEncodedStrip returns -1 if an error was encountered.
All error messages are directed to the
Libtiff library home page:
|libtiff ||TIFFREADENCODEDSTRIP (3TIFF) ||October 15, 1995 |
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