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3 .\" Copyright (c) 1988-1997 Sam Leffler
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25 .if n .po 0
26 .TH TIFFWriteEncodedTile 3TIFF "December 16, 1991" "libtiff"
27 .SH NAME
28 TIFFWritedEncodedTile \- compress and write a tile of data to an open
29 .SM TIFF
30 file
31 .SH SYNOPSIS
32 .B "#include <tiffio.h>"
33 .sp
34 .BI "tsize_t TIFFWriteEncodedTile(TIFF *" tif ", ttile_t " tile ", tdata_t " buf ", tsize_t " size ")"
35 .SH DESCRIPTION
36 Compress
37 .I size
38 bytes of raw data from
39 .I buf
40 and
41 .B append
42 the result to the end of the specified tile. Note that the value of
43 .I tile
44 is a ``raw tile number.'' That is, the caller must take into account whether
45 or not the data are organized in separate places (\c
46 .IR PlanarConfiguration =2).
47 .IR TIFFComputeTile
48 automatically does this when converting an (x,y,z,sample) coordinate quadruple
49 to a tile number.
50 .SH NOTES
51 The library writes encoded data using the native machine byte order. Correctly
52 implemented
53 .SM TIFF
54 readers are expected to do any necessary byte-swapping to correctly process
55 image data with BitsPerSample greater than 8.
56 .SH "RETURN VALUES"
57 \-1 is returned if an error was encountered. Otherwise, the value of
58 .IR size
59 is returned.
60 .SH DIAGNOSTICS
61 All error messages are directed to the
62 .BR TIFFError (3TIFF)
63 routine.
64 .PP
65 \fB%s: File not open for writing\fP.
66 The file was opened for reading, not writing.
67 .PP
68 \fBCan not write tiles to a stripped image\fP.
69 The image is assumed to be organized in strips because neither of the
70 .I TileWidth
71 or
72 .I TileLength
73 tags have been set with
74 .BR TIFFSetField (3TIFF).
75 .PP
76 \fB%s: Must set "ImageWidth" before writing data\fP. The image's width has not
77 be set before the first write. See
78 .BR TIFFSetField (3TIFF)
79 for information on how to do this.
80 .PP
81 \fB%s: Must set "PlanarConfiguration" before writing data\fP. The organization
82 of data has not be defined before the first write. See
83 .BR TIFFSetField (3TIFF)
84 for information on how to do this.
85 .PP
86 \fB%s: No space for tile arrays"\fP.
87 There was not enough space for the arrays that hold tile offsets and byte
88 counts.
89 .SH "SEE ALSO"
90 .BR TIFFOpen (3TIFF),
91 .BR TIFFWriteTile (3TIFF),
92 .BR TIFFWriteRawTile (3TIFF),
93 .BR libtiff (3TIFF)
94 .PP
95 Libtiff library home page:
96 .BR http://www.remotesensing.org/libtiff/