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authordron <dron>2004-11-11 14:39:16 +0000
committerdron <dron>2004-11-11 14:39:16 +0000
commit61f4066781bbb5b30d3643eaae3ccb0416e7ff03 (patch)
treea0058cf58bc124c541c5381329f78de7a1359610 /man/TIFFtile.3tiff
parentf6d29dfbc7de4066482d192a307fa718d01fea29 (diff)
downloadlibtiff-61f4066781bbb5b30d3643eaae3ccb0416e7ff03.tar.gz
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+.\" $Id: TIFFtile.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 TIFFTILE 3TIFF "February 14, 1992" "libtiff"
+.SH NAME
+TIFFTileSize, TIFFTileRowSize, TIFFVTileSize, TIFFDefaultTileSize,
+TIFFComputeTile, TIFFCheckTile, TIFFNumberOfTiles \- tile-related utility
+routines
+.SH SYNOPSIS
+.B "#include <tiffio.h>"
+.sp
+.BI "void TIFFDefaultTileSize(TIFF *" tif ", uint32 *" tw ", uint32 *" th ")"
+.br
+.BI "tsize_t TIFFTileSize(TIFF *" tif ")"
+.br
+.BI "tsize_t TIFFTileRowSize(TIFF *" tif ")"
+.br
+.BI "tsize_t TIFFVTileSize(TIFF *" tif ", uint32 " nrows ")"
+.br
+.BI "ttile_t TIFFComputeTile(TIFF *" tif ", uint32 " x ", uint32 " y ", uint32 " z ", tsample_t " sample ")"
+.br
+.BI "int TIFFCheckTile(TIFF *" tif ", uint32 " x ", uint32 " y ", uint32 " z ", tsample_t " sample ")"
+.br
+.BI "ttile_t TIFFNumberOfTiles(TIFF *" tif ")"
+.br
+.SH DESCRIPTION
+.I TIFFDefaultTileSize
+returns the pixel width and height of a reasonable-sized tile; suitable for
+setting up the
+.I TileWidth
+and
+.I TileLength
+tags.
+If the
+.I tw
+and
+.I th
+values passed in are non-zero, then they are adjusted to reflect any
+compression-specific requirements. The returned width and height are
+constrained to be a multiple of 16 pixels to conform with the
+.SM TIFF
+specification.
+.PP
+.I TIFFTileSize
+returns the equivalent size for a tile of data as it would be returned in a
+call to
+.I TIFFReadTile
+or as it would be expected in a call to
+.IR TIFFWriteTile .
+.PP
+.I TIFFVTileSize
+returns the number of bytes in a row-aligned tile with
+.I nrows
+of data.
+.PP
+.I TIFFTileRowSize
+returns the number of bytes of a row of data in a tile.
+.PP
+.IR TIFFComputeTile
+returns the tile that contains the specified coordinates. A valid tile is
+always returned; out-of-range coordinate values are clamped to the bounds of
+the image. The
+.I x
+and
+.I y
+parameters are always used in calculating a tile. The
+.I z
+parameter is used if the image is deeper than 1 slice (\c
+.IR ImageDepth >1).
+The
+.I sample
+parameter is used only if data are organized in separate planes (\c
+.IR PlanarConfiguration =2).
+.PP
+.IR TIFFCheckTile
+returns a non-zero value if the supplied coordinates are within the bounds of
+the image and zero otherwise. The
+.I x
+parameter is checked against the value of the
+.I ImageWidth
+tag. The
+.I y
+parameter is checked against the value of the
+.I ImageLength
+tag. The
+.I z
+parameter is checked against the value of the
+.I ImageDepth
+tag (if defined). The
+.I sample
+parameter is checked against the value of the
+.I SamplesPerPixel
+parameter if the data are organized in separate planes.
+.PP
+.IR TIFFNumberOfTiles
+returns the number of tiles in the image.
+.SH DIAGNOSTICS
+None.
+.SH "SEE ALSO"
+.IR libtiff (3TIFF),
+.IR TIFFReadEncodedTile (3TIFF),
+.IR TIFFReadRawTile (3TIFF),
+.IR TIFFReadTile (3TIFF),
+.IR TIFFWriteEncodedTile (3TIFF),
+.IR TIFFWriteRawTile (3TIFF),
+.IR TIFFWriteTile (3TIFF)