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diff --git a/tiff/html/man/TIFFReadRGBATile.3tiff.html b/tiff/html/man/TIFFReadRGBATile.3tiff.html deleted file mode 100644 index ed67b83..0000000 --- a/tiff/html/man/TIFFReadRGBATile.3tiff.html +++ /dev/null @@ -1,261 +0,0 @@ -<!-- Creator : groff version 1.18.1 --> -<!-- CreationDate: Fri Jul 13 17:43:16 2007 --> -<html> -<head> -<meta name="generator" content="groff -Thtml, see www.gnu.org"> -<meta name="Content-Style" content="text/css"> -<title>TIFFReadRGBATile</title> -</head> -<body> - -<h1 align=center>TIFFReadRGBATile</h1> -<a href="#NAME">NAME</a><br> -<a href="#SYNOPSIS">SYNOPSIS</a><br> -<a href="#DESCRIPTION">DESCRIPTION</a><br> -<a href="#NOTES">NOTES</a><br> -<a href="#RETURN VALUES">RETURN VALUES</a><br> -<a href="#DIAGNOSTICS">DIAGNOSTICS</a><br> -<a href="#SEE ALSO">SEE ALSO</a><br> - -<hr> -<a name="NAME"></a> -<h2>NAME</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p>TIFFReadRGBATile − read and decode an image tile -into a fixed-format raster</p> -</td> -</table> -<a name="SYNOPSIS"></a> -<h2>SYNOPSIS</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p><b>#include <tiffio.h></b></p> -</td> -</table> -<!-- TABS --> -<table width="100%" border=0 rules="none" frame="void" - cols="5" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="-2%"> - -<p><b>#define TIFFGetR(abgr)</b></p> -</td> -<td width="25%"></td> -<td width="6%"></td> -<td width="61%"> - -<p><b>((abgr) & 0xff)</b></p> -</td> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="-2%"> - -<p><b>#define TIFFGetG(abgr)</b></p> -</td> -<td width="25%"></td> -<td width="6%"></td> -<td width="61%"> - -<p><b>(((abgr) >> 8) & 0xff)</b></p> -</td> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="-2%"> - -<p><b>#define TIFFGetB(abgr)</b></p> -</td> -<td width="25%"></td> -<td width="6%"></td> -<td width="61%"> - -<p><b>(((abgr) >> 16) & 0xff)</b></p> -</td> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="-2%"> - -<p><b>#define TIFFGetA(abgr)</b></p> -</td> -<td width="25%"></td> -<td width="6%"></td> -<td width="61%"> - -<p><b>(((abgr) >> 24) & 0xff)</b></p> -</td> -</table> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p><b>int TIFFReadRGBATile(TIFF *</b><i>tif</i><b>, -uint32</b> <i>x</i><b>, uint32</b> <i>y</i><b>, uint32 -*</b><i>raster</i><b>)</b></p> -</td> -</table> -<a name="DESCRIPTION"></a> -<h2>DESCRIPTION</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p><i>TIFFReadRGBATile</i> reads a single tile of a -tile-based image into memory, storing the result in the user -supplied RGBA <i>raster</i>. The raster is assumed to be an -array of width times length 32-bit entries, where width is -the width of a tile (TIFFTAG_TILEWIDTH) and length is the -height of a tile (TIFFTAG_TILELENGTH).</p> -<!-- INDENTATION --> -<p>The <i>x</i> and <i>y</i> values are the offsets from the -top left corner to the top left corner of the tile to be -read. They must be an exact multiple of the tile width and -length.</p> -<!-- INDENTATION --> -<p>Note that the raster is assume to be organized such that -the pixel at location (<i>x</i>,<i>y</i>) is -<i>raster</i>[<i>y</i>*<i>width</i>+<i>x</i>]; with the -raster origin in the <i>lower-left hand corner</i> of the -tile. That is bottom to top organization. Edge tiles which -partly fall off the image will be filled out with -appropriate zeroed areas.</p> -<!-- INDENTATION --> -<p>Raster pixels are 8-bit packed red, green, blue, alpha -samples. The macros <i>TIFFGetR</i>, <i>TIFFGetG</i>, -<i>TIFFGetB</i>, and <i>TIFFGetA</i> should be used to -access individual samples. Images without Associated Alpha -matting information have a constant Alpha of 1.0 (255).</p> -<!-- INDENTATION --> -<p>See the <i>TIFFRGBAImage</i>(3TIFF) page for more details -on how various image types are converted to RGBA values.</p> -</td> -</table> -<a name="NOTES"></a> -<h2>NOTES</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p>Samples must be either 1, 2, 4, 8, or 16 bits. -Colorimetric samples/pixel must be either 1, 3, or 4 (i.e. -<i>SamplesPerPixel</i> minus <i>ExtraSamples</i>).</p> -<!-- INDENTATION --> -<p>Palette image colormaps that appear to be incorrectly -written as 8-bit values are automatically scaled to -16-bits.</p> -<!-- INDENTATION --> -<p><i>TIFFReadRGBATile</i> is just a wrapper around the more -general <i>TIFFRGBAImage</i>(3TIFF) facilities. It’s -main advantage over the similar <i>TIFFReadRGBAImage()</i> -function is that for large images a single buffer capable of -holding the whole image doesn’t need to be allocated, -only enough for one tile. The <i>TIFFReadRGBAStrip()</i> -function does a similar operation for stripped images.</p> -</td> -</table> -<a name="RETURN VALUES"></a> -<h2>RETURN VALUES</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p>1 is returned if the image was successfully read and -converted. Otherwise, 0 is returned if an error was -encountered.</p> -</td> -</table> -<a name="DIAGNOSTICS"></a> -<h2>DIAGNOSTICS</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p>All error messages are directed to the -<i>TIFFError</i>(3TIFF) routine.</p> -<!-- INDENTATION --> -<p><b>Sorry, can not handle %d-bit pictures</b>. The image -had <i>BitsPerSample</i> other than 1, 2, 4, 8, or 16.</p> -<!-- INDENTATION --> -<p><b>Sorry, can not handle %d-channel images</b>. The image -had <i>SamplesPerPixel</i> other than 1, 3, or 4.</p> -<!-- INDENTATION --> -<p><b>Missing needed "PhotometricInterpretation" -tag</b>. The image did not have a tag that describes how to -display the data.</p> -<!-- INDENTATION --> -<p><b>No "PhotometricInterpretation" tag, assuming -RGB</b>. The image was missing a tag that describes how to -display it, but because it has 3 or 4 samples/pixel, it is -assumed to be <small>RGB.</small></p> -<!-- INDENTATION --> -<p><b>No "PhotometricInterpretation" tag, assuming -min-is-black</b>. The image was missing a tag that describes -how to display it, but because it has 1 sample/pixel, it is -assumed to be a grayscale or bilevel image.</p> -<!-- INDENTATION --> -<p><b>No space for photometric conversion table</b>. There -was insufficient memory for a table used to convert image -samples to 8-bit <small>RGB.</small></p> -<!-- INDENTATION --> -<p><b>Missing required "Colormap" tag</b>. A -Palette image did not have a required <i>Colormap</i> -tag.</p> -<!-- INDENTATION --> -<p><b>No space for tile buffer</b>. There was insufficient -memory to allocate an i/o buffer.</p> -<!-- INDENTATION --> -<p><b>No space for strip buffer</b>. There was insufficient -memory to allocate an i/o buffer.</p> -<!-- INDENTATION --> -<p><b>Can not handle format</b>. The image has a format -(combination of <i>BitsPerSample</i>, -<i>SamplesPerPixel</i>, and -<i>PhotometricInterpretation</i>) that -<i>TIFFReadRGBAImage</i> can not handle.</p> -<!-- INDENTATION --> -<p><b>No space for B&W mapping table</b>. There was -insufficient memory to allocate a table used to map -grayscale data to <small>RGB.</small></p> -<!-- INDENTATION --> -<p><b>No space for Palette mapping table</b>. There was -insufficient memory to allocate a table used to map data to -8-bit <small>RGB.</small></p> -</td> -</table> -<a name="SEE ALSO"></a> -<h2>SEE ALSO</h2> -<!-- INDENTATION --> -<table width="100%" border=0 rules="none" frame="void" - cols="2" cellspacing="0" cellpadding="0"> -<tr valign="top" align="left"> -<td width="8%"></td> -<td width="91%"> -<p><b>TIFFOpen</b>(3TIFF), <b>TIFFRGBAImage</b>(3TIFF), -<b>TIFFReadRGBAImage</b>(3TIFF), -<b>TIFFReadRGBAStrip</b>(3TIFF), <b>libtiff</b>(3TIFF)</p> -<!-- INDENTATION --> -<p>Libtiff library home page: -<b>http://www.remotesensing.org/libtiff/</b></p> -</td> -</table> -<hr> -</body> -</html> |