2002-10-07 09:47:36 -04:00
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<meta name="generator" content="groff -Thtml, see www.gnu.org">
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<meta name="Content-Style" content="text/css">
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<title>QUERY</title>
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<h1 align=center>QUERY</h1>
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<a href="#NAME">NAME</a><br>
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<a href="#SYNOPSIS">SYNOPSIS</a><br>
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<a href="#DESCRIPTION">DESCRIPTION</a><br>
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<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br>
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<a href="#SEE ALSO">SEE ALSO</a><br>
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<hr>
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2003-11-27 10:07:01 -05:00
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<!-- Creator : groff version 1.17.2 -->
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2003-12-21 16:47:11 -05:00
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<!-- CreationDate: Mon Dec 22 00:39:23 2003 -->
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2002-10-07 09:47:36 -04:00
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<a name="NAME"></a>
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<h2>NAME</h2>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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TIFFCurrentRow, TIFFCurrentStrip, TIFFCurrentTile, TIFFCurrentDirectory, TIFFLastDirectory, TIFFFileno, TIFFFileName, TIFFGetMode, TIFFIsTiled, TIFFIsByteSwapped, TIFFIsUpSampled, TIFFIsMSB2LSB - query routines</td></table>
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2002-10-07 09:47:36 -04:00
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<a name="SYNOPSIS"></a>
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<h2>SYNOPSIS</h2>
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<table width="100%" border=0 rules="none" frame="void"
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2002-10-07 09:47:36 -04:00
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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2002-10-07 09:47:36 -04:00
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<pre><b>#include <tiffio.h>
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uint32 TIFFCurrentRow(TIFF* tif)
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tstrip_t TIFFCurrentStrip(TIFF* tif)
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ttile_t TIFFCurrentTile(TIFF* tif)
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tdir_t TIFFCurrentDirectory(TIFF* tif)
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int TIFFLastDirectory(TIFF* tif)
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int TIFFFileno(TIFF* tif)
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char* TIFFFileName(TIFF* tif)
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int TIFFGetMode(TIFF* tif)
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int TIFFIsTiled(TIFF* tif)
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int TIFFIsByteSwapped(TIFF* tif)
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int TIFFIsUpSampled(TIFF* tif)
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int TIFFIsMSB2LSB(TIFF* tif)
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const char* TIFFGetVersion(void)
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</b></pre></td></table>
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<a name="DESCRIPTION"></a>
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<h2>DESCRIPTION</h2>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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The following routines return status information about an
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open <small>TIFF</small> file.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFCurrentDirectory</i> returns the index of the current
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directory (directories are numbered starting at 0). This
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number is suitable for use with the <i>TIFFSetDirectory</i>
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routine.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFLastDirectory</i> returns a non-zero value if the
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current directory is the last directory in the file;
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otherwise zero is returned.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFCurrentRow</i>, <i>TIFFCurrentStrip</i>, and
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<i>TIFFCurrentTile</i>, return the current row, strip, and
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tile, respectively, that is being read or written. These
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values are updated each time a read or write is
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done.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFFileno</i> returns the underlying file descriptor
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used to access the <small>TIFF</small> image in the
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filesystem.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFFileName</i> returns the pathname argument passed to
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<i>TIFFOpen</i> or <i>TIFFFdOpen</i>.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFGetMode</i> returns the mode with which the
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underlying file was opened. On <small>UNIX</small> systems,
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this is the value passed to the <i>open</i>(2) system
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call.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFIsTiled</i> returns a non-zero value if the image
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data has a tiled organization. Zero is returned if the image
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data is organized in strips.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFIsByteSwapped</i> returns a non-zero value if the
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image data was in a different byte-order than the host
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machine. Zero is returned if the TIFF file and local host
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byte-orders are the same. Note that TIFFReadTile(),
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TIFFReadStrip() and TIFFReadScanline() functions already
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normally perform byte swapping to local host order if
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needed.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFIsUpSampled</i> returns a non-zero value if image
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data returned through the read interface routines is being
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up-sampled. This can be useful to applications that want to
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calculate I/O buffer sizes to reflect this usage (though the
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usual strip and tile size routines already do
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this).</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFIsMSB2LSB</i> returns a non-zero value if the image
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data is being returned with bit 0 as the most significant
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bit.</td></table>
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>TIFFGetVersion</i> returns an <small>ASCII</small> string
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that has a version stamp for the <small>TIFF</small> library
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software.</td></table>
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2002-10-07 09:47:36 -04:00
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<a name="DIAGNOSTICS"></a>
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<h2>DIAGNOSTICS</h2>
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2003-11-27 10:07:01 -05:00
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<table width="100%" border=0 rules="none" frame="void"
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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None.</td></table>
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2002-10-07 09:47:36 -04:00
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<a name="SEE ALSO"></a>
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<h2>SEE ALSO</h2>
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2003-11-27 10:07:01 -05:00
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<table width="100%" border=0 rules="none" frame="void"
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2002-10-07 09:47:36 -04:00
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cols="2" cellspacing="0" cellpadding="0">
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<tr valign="top" align="left">
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<td width="10%"></td><td width="90%">
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<i>libtiff</i>(3T), <i>TIFFOpen</i>(3T),
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<i>TIFFFdOpen</i>(3T)</td></table>
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2002-10-07 09:47:36 -04:00
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<hr>
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</body>
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</html>
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