libtiff/man/TIFFWriteEncodedStrip.3tiff

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.\" Copyright (c) 1988-1997 Sam Leffler
.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
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.if n .po 0
.TH TIFFWriteEncodedStrip 3TIFF "October 15, 1995" "libtiff"
.SH NAME
TIFFWritedEncodedStrip \- compress and write a strip of data to an open
.SM TIFF
file
.SH SYNOPSIS
.B "#include <tiffio.h>"
.sp
.BI "tsize_t TIFFWriteEncodedStrip(TIFF *" tif ", tstrip_t " strip ", tdata_t " buf ", tsize_t " size ")"
.SH DESCRIPTION
Compress
.I size
bytes of raw data from
.I buf
and write the result to the specified strip; replacing any previously written
data. Note that the value of
.I strip
is a ``raw strip number.'' That is, the caller must take into account whether
or not the data are organized in separate planes (\c
.IR PlanarConfiguration =2).
.SH NOTES
The library writes encoded data using the native machine byte order. Correctly
implemented
.SM TIFF
readers are expected to do any necessary byte-swapping to correctly process
image data with BitsPerSample greater than 8.
.PP
The strip number must be valid according to the current settings of the
.I ImageLength
and
.I RowsPerStrip
tags.
An image may be dynamically grown by increasing the value of
.I ImageLength
prior to each call to
.IR TIFFWriteEncodedStrip .
.SH "RETURN VALUES"
\-1 is returned if an error was encountered. Otherwise, the value of
.IR size
is returned.
.SH DIAGNOSTICS
All error messages are directed to the
.IR TIFFError (3TIFF)
routine.
.PP
\fB%s: File not open for writing\fP. The file was opened for reading, not
writing.
.PP
\fBCan not write scanlines to a tiled image\fP. The image is assumed to be
organized in tiles because the
.I TileWidth
and
.I TileLength
tags have been set with
.IR TIFFSetField (3TIFF).
.PP
\fB%s: Must set "ImageWidth" before writing data\fP.
The image's width has not be set before the first write. See
.IR TIFFSetField (3TIFF)
for information on how to do this.
.PP
\fB%s: Must set "PlanarConfiguration" before writing data\fP.
The organization of data has not be defined before the first write. See
.IR TIFFSetField (3TIFF)
for information on how to do this.
.PP
\fB%s: No space for strip arrays"\fP.
There was not enough space for the arrays that hold strip offsets and byte
counts.
.SH "SEE ALSO"
.BR TIFFOpen (3TIFF),
.BR TIFFWriteScanline (3TIFF),
.BR TIFFWriteRawStrip (3TIFF),
.BR libtiff (3TIFF)
.PP
Libtiff library home page:
.BR http://www.simplesystems.org/libtiff/