projects / wxWidgets.git / blame
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1 | .\" $Id: TIFFReadRawTile.3tiff,v 1.2 2005/11/02 11:07:18 dron Exp $ |
| 2 | .\" | |
| 3 | .\" Copyright (c) 1988-1997 Sam Leffler | |
| 4 | .\" Copyright (c) 1991-1997 Silicon Graphics, Inc. | |
| 5 | .\" | |
| 6 | .\" Permission to use, copy, modify, distribute, and sell this software and | |
| 7 | .\" its documentation for any purpose is hereby granted without fee, provided | |
| 8 | .\" that (i) the above copyright notices and this permission notice appear in | |
| 9 | .\" all copies of the software and related documentation, and (ii) the names of | |
| 10 | .\" Sam Leffler and Silicon Graphics may not be used in any advertising or | |
| 11 | .\" publicity relating to the software without the specific, prior written | |
| 12 | .\" permission of Sam Leffler and Silicon Graphics. | |
| 13 | .\" | |
| 14 | .\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, | |
| 15 | .\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY | |
| 16 | .\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | .\" | |
| 18 | .\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR | |
| 19 | .\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, | |
| 20 | .\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
| 21 | .\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF | |
| 22 | .\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
| 23 | .\" OF THIS SOFTWARE. | |
| 24 | .\" | |
| 25 | .if n .po 0 | |
| 26 | .TH TIFFReadRawTile 3TIFF "October 15, 1995" "libtiff" | |
| 27 | .SH NAME | |
| 28 | TIFFReadRawTile \- return an undecoded tile of data from an open | |
| 29 | .SM TIFF | |
| 30 | file | |
| 31 | .SH SYNOPSIS | |
| 32 | .B "#include <tiffio.h>" | |
| 33 | .sp | |
| 34 | .BI "tsize_t TIFFReadRawTile(TIFF *" tif ", ttile_t " tile ", tdata_t " buf ", tsize_t " size ")" | |
| 35 | .SH DESCRIPTION | |
| 36 | Read the contents of the specified tile into the (user supplied) data buffer. | |
| 37 | Note that the value of | |
| 38 | .I tile | |
| 39 | is a ``raw tile number.'' That is, the caller must take into account whether | |
| 40 | or not the data is organized in separate planes (\c | |
| 41 | .IR PlanarConfiguration =2). | |
| 42 | .I TIFFComputeTile | |
| 43 | automatically does this when converting an (x,y,z,sample) coordinate quadruple | |
| 44 | to a tile number. To read a full tile of data the data buffer should typically | |
| 45 | be at least as large as the value returned by | |
| 46 | .IR TIFFTileSize . | |
| 47 | .SH "RETURN VALUES" | |
| 48 | The actual number of bytes of data that were placed in | |
| 49 | .I buf | |
| 50 | is returned; | |
| 51 | .IR TIFFReadEncodedTile | |
| 52 | returns \-1 if an error was encountered. | |
| 53 | .SH DIAGNOSTICS | |
| 54 | All error messages are directed to the | |
| 55 | .BR TIFFError (3TIFF) | |
| 56 | routine. | |
| 57 | .SH "SEE ALSO" | |
| 58 | .BR TIFFOpen (3TIFF), | |
| 59 | .BR TIFFReadEncodedTile (3TIFF), | |
| 60 | .BR TIFFReadTile (3TIFF), | |
| 61 | .BR TIFFTileSize (3TIFF), | |
| 62 | .BR libtiff (3TIFF) | |
| 63 | .PP | |
| 64 | Libtiff library home page: | |
| 65 | .BR http://www.remotesensing.org/libtiff/ |