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-.\" $Id: TIFFquery.3tiff,v 1.1 2004/11/11 14:39:16 dron Exp $
-.\"
-.\" Copyright (c) 1988-1997 Sam Leffler
-.\" Copyright (c) 1991-1997 Silicon Graphics, Inc.
-.\"
-.\" Permission to use, copy, modify, distribute, and sell this software and
-.\" its documentation for any purpose is hereby granted without fee, provided
-.\" that (i) the above copyright notices and this permission notice appear in
-.\" all copies of the software and related documentation, and (ii) the names of
-.\" Sam Leffler and Silicon Graphics may not be used in any advertising or
-.\" publicity relating to the software without the specific, prior written
-.\" permission of Sam Leffler and Silicon Graphics.
-.\"
-.\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
-.\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
-.\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
-.\"
-.\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
-.\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
-.\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-.\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
-.\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
-.\" OF THIS SOFTWARE.
-.\"
-.if n .po 0
-.TH QUERY 3TIFF "October 29, 2004" "libtiff"
-.SH NAME
-TIFFCurrentRow,
-TIFFCurrentStrip,
-TIFFCurrentTile,
-TIFFCurrentDirectory,
-TIFFLastDirectory,
-TIFFFileno,
-TIFFFileName,
-TIFFGetMode,
-TIFFIsTiled,
-TIFFIsByteSwapped,
-TIFFIsUpSampled,
-TIFFIsMSB2LSB,
-TIFFGetVersion
-\- query routines
-.SH SYNOPSIS
-.B "#include <tiffio.h>"
-.sp
-.BI "uint32 TIFFCurrentRow(TIFF* " tif ")"
-.br
-.BI "tstrip_t TIFFCurrentStrip(TIFF* " tif ")"
-.br
-.BI "ttile_t TIFFCurrentTile(TIFF* " tif ")"
-.br
-.BI "tdir_t TIFFCurrentDirectory(TIFF* " tif ")"
-.br
-.BI "int TIFFLastDirectory(TIFF* " tif ")"
-.br
-.BI "int TIFFFileno(TIFF* " tif ")"
-.br
-.BI "char* TIFFFileName(TIFF* " tif ")"
-.br
-.BI "int TIFFGetMode(TIFF* " tif ")"
-.br
-.BI "int TIFFIsTiled(TIFF* " tif ")"
-.br
-.BI "int TIFFIsByteSwapped(TIFF* " tif ")"
-.br
-.BI "int TIFFIsUpSampled(TIFF* " tif ")"
-.br
-.BI "int TIFFIsMSB2LSB(TIFF* " tif ")"
-.br
-.BI "const char* TIFFGetVersion(void)"
-.SH DESCRIPTION
-The following routines return status information about an open
-.SM TIFF
-file.
-.PP
-.IR TIFFCurrentDirectory
-returns the index of the current directory (directories are numbered starting
-at 0). This number is suitable for use with the
-.IR TIFFSetDirectory
-routine.
-.PP
-.IR TIFFLastDirectory
-returns a non-zero value if the current directory is the last directory in the
-file; otherwise zero is returned.
-.PP
-.IR TIFFCurrentRow ,
-.IR TIFFCurrentStrip ,
-and
-.IR TIFFCurrentTile ,
-return the current row, strip, and tile, respectively, that is being read or
-written. These values are updated each time a read or write is done.
-.PP
-.IR TIFFFileno
-returns the underlying file descriptor used to access the
-.SM TIFF
-image in the filesystem.
-.PP
-.IR TIFFFileName
-returns the pathname argument passed to
-.IR TIFFOpen
-or
-.IR TIFFFdOpen .
-.PP
-.IR TIFFGetMode
-returns the mode with which the underlying file was opened. On
-.SM UNIX
-systems, this is the value passed to the
-.IR open (2)
-system call.
-.PP
-.IR TIFFIsTiled
-returns a non-zero value if the image data has a tiled organization. Zero is
-returned if the image data is organized in strips.
-.PP
-.IR TIFFIsByteSwapped
-returns a non-zero value if the image data was in a different byte-order than
-the host machine. Zero is returned if the TIFF file and local host byte-orders
-are the same. Note that TIFFReadTile(), TIFFReadStrip() and
-TIFFReadScanline() functions already normally perform byte swapping to local
-host order if needed.
-.PP
-.I TIFFIsUpSampled
-returns a non-zero value if image data returned through the read interface
-routines is being up-sampled. This can be useful to applications that want to
-calculate I/O buffer sizes to reflect this usage (though the usual strip and
-tile size routines already do this).
-.PP
-.I TIFFIsMSB2LSB
-returns a non-zero value if the image data is being returned with bit 0 as the
-most significant bit.
-.PP
-.IR TIFFGetVersion
-returns an
-.SM ASCII
-string that has a version stamp for the
-.SM TIFF
-library software.
-.SH DIAGNOSTICS
-None.
-.SH "SEE ALSO"
-.IR libtiff (3TIFF),
-.IR TIFFOpen (3TIFF),
-.IR TIFFFdOpen (3TIFF)