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Ari Pollak
2010-08-11 01:15:37 -04:00
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>gimptile</title><meta name="generator" content="DocBook XSL Stylesheets V1.68.1"><link rel="start" href="index.html" title="GIMP Library Reference Manual"><link rel="up" href="libgimp-image.html" title="Manupulating Images and all their Properties"><link rel="prev" href="libgimp-gimptexttool.html" title="gimptexttool"><link rel="next" href="libgimp-gimptools.html" title="gimptools"><meta name="generator" content="GTK-Doc V1.3 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gimpdefinitions.html" title="Part<72>I.<2E>GIMP Constants"><link rel="part" href="libgimp.html" title="Part<72>II.<2E>GIMP Library"><link rel="chapter" href="libgimp-general.html" title="Functions not Related to Specific Images"><link rel="chapter" href="libgimp-image.html" title="Manupulating Images and all their Properties"><link rel="chapter" href="libgimp-data.html" title="Data Objects"><link rel="chapter" href="libgimp-selectors.html" title="Controlling the Core's Selection Dialogs"><link rel="part" href="libgimpui.html" title="Part<72>III.<2E>GIMP User Interface Library"><link rel="chapter" href="libgimpui-hierarchy.html" title="Object Hierarchy"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libgimp-gimptexttool.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="libgimp-image.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GIMP Library Reference Manual</th><td><a accesskey="n" href="libgimp-gimptools.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="refentry" lang="en"><a name="libgimp-gimptile"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><span class="refentrytitle">gimptile</span></h2><p>gimptile &#8212; Functions for working with tiles.</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<meta name="generator" content="DocBook XSL Stylesheets V1.68.1">
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<div class="refentry" lang="en">
<a name="libgimp-gimptile"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle">gimptile</span></h2>
<p>gimptile &#8212; Functions for working with tiles.</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">
@ -10,10 +49,21 @@ void <a href="libgimp-gimptile.html#gimp-tile-unref">gimp_tile_unref</a>
void <a href="libgimp-gimptile.html#gimp-tile-flush">gimp_tile_flush</a> (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);
void <a href="libgimp-gimptile.html#gimp-tile-cache-size">gimp_tile_cache_size</a> (gulong kilobytes);
void <a href="libgimp-gimptile.html#gimp-tile-cache-ntiles">gimp_tile_cache_ntiles</a> (gulong ntiles);
</pre></div><div class="refsect1" lang="en"><a name="id2616645"></a><h2>Description</h2><p>
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2609902"></a><h2>Description</h2>
<p>
Functions for working with tiles.
</p></div><div class="refsect1" lang="en"><a name="id2616654"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id2616660"></a><h3><a name="GimpTile"></a>GimpTile</h3><a class="indexterm" name="id2616668"></a><pre class="programlisting">typedef struct {
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2609913"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id2609919"></a><h3>
<a name="GimpTile"></a>GimpTile</h3>
<a class="indexterm" name="id2609929"></a><pre class="programlisting">typedef struct {
guint ewidth; /* the effective width of the tile */
guint eheight; /* the effective height of the tile */
guint bpp; /* the bytes per pixel (1, 2, 3 or 4 ) */
@ -24,46 +74,156 @@ Functions for working with tiles.
guchar *data; /* the pixel data for the tile */
GimpDrawable *drawable; /* the drawable this tile came from */
} GimpTile;
</pre><p>
</pre>
<p>
</p></div><hr><div class="refsect2" lang="en"><a name="id2540891"></a><h3><a name="gimp-tile-ref"></a>gimp_tile_ref ()</h3><a class="indexterm" name="id2575642"></a><pre class="programlisting">void gimp_tile_ref (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);</pre><p>
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2551238"></a><h3>
<a name="gimp-tile-ref"></a>gimp_tile_ref ()</h3>
<a class="indexterm" name="id2538931"></a><pre class="programlisting">void gimp_tile_ref (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);</pre>
<p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>tile</code></em><EFBFBD>:</span></td><td>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td>
<span class="term"><em class="parameter"><code>tile</code></em>&#160;:</span></td>
<td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2603301"></a><h3><a name="gimp-tile-ref-zero"></a>gimp_tile_ref_zero ()</h3><a class="indexterm" name="id2563552"></a><pre class="programlisting">void gimp_tile_ref_zero (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);</pre><p>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2609390"></a><h3>
<a name="gimp-tile-ref-zero"></a>gimp_tile_ref_zero ()</h3>
<a class="indexterm" name="id2609399"></a><pre class="programlisting">void gimp_tile_ref_zero (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);</pre>
<p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>tile</code></em><EFBFBD>:</span></td><td>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td>
<span class="term"><em class="parameter"><code>tile</code></em>&#160;:</span></td>
<td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2616700"></a><h3><a name="gimp-tile-unref"></a>gimp_tile_unref ()</h3><a class="indexterm" name="id2616707"></a><pre class="programlisting">void gimp_tile_unref (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile,
gboolean dirty);</pre><p>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2609443"></a><h3>
<a name="gimp-tile-unref"></a>gimp_tile_unref ()</h3>
<a class="indexterm" name="id2609452"></a><pre class="programlisting">void gimp_tile_unref (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile,
gboolean dirty);</pre>
<p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>tile</code></em><EFBFBD>:</span></td><td>
</td></tr><tr><td><span class="term"><em class="parameter"><code>dirty</code></em><EFBFBD>:</span></td><td>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><em class="parameter"><code>tile</code></em>&#160;:</span></td>
<td>
</td>
</tr>
<tr>
<td>
<span class="term"><em class="parameter"><code>dirty</code></em>&#160;:</span></td>
<td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2632602"></a><h3><a name="gimp-tile-flush"></a>gimp_tile_flush ()</h3><a class="indexterm" name="id2632609"></a><pre class="programlisting">void gimp_tile_flush (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);</pre><p>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614263"></a><h3>
<a name="gimp-tile-flush"></a>gimp_tile_flush ()</h3>
<a class="indexterm" name="id2614272"></a><pre class="programlisting">void gimp_tile_flush (<a href="libgimp-gimptile.html#GimpTile">GimpTile</a> *tile);</pre>
<p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>tile</code></em><EFBFBD>:</span></td><td>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td>
<span class="term"><em class="parameter"><code>tile</code></em>&#160;:</span></td>
<td>
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2632640"></a><h3><a name="gimp-tile-cache-size"></a>gimp_tile_cache_size ()</h3><a class="indexterm" name="id2632647"></a><pre class="programlisting">void gimp_tile_cache_size (gulong kilobytes);</pre><p>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614316"></a><h3>
<a name="gimp-tile-cache-size"></a>gimp_tile_cache_size ()</h3>
<a class="indexterm" name="id2614325"></a><pre class="programlisting">void gimp_tile_cache_size (gulong kilobytes);</pre>
<p>
Sets the size of the tile cache on the plug-in side. The tile cache
is used to reduce the number of tiles exchanged between the GIMP core
and the plug-in. See also <a href="libgimp-gimptile.html#gimp-tile-cache-ntiles"><code class="function">gimp_tile_cache_ntiles()</code></a>.</p><p>
and the plug-in. See also <a href="libgimp-gimptile.html#gimp-tile-cache-ntiles"><code class="function">gimp_tile_cache_ntiles()</code></a>.</p>
<p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>kilobytes</code></em><EFBFBD>:</span></td><td> new cache size in kilobytes
</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id2632690"></a><h3><a name="gimp-tile-cache-ntiles"></a>gimp_tile_cache_ntiles ()</h3><a class="indexterm" name="id2632697"></a><pre class="programlisting">void gimp_tile_cache_ntiles (gulong ntiles);</pre><p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td>
<span class="term"><em class="parameter"><code>kilobytes</code></em>&#160;:</span></td>
<td> new cache size in kilobytes
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614384"></a><h3>
<a name="gimp-tile-cache-ntiles"></a>gimp_tile_cache_ntiles ()</h3>
<a class="indexterm" name="id2614393"></a><pre class="programlisting">void gimp_tile_cache_ntiles (gulong ntiles);</pre>
<p>
Sets the size of the tile cache on the plug-in side. This function
is similar to <a href="libgimp-gimptile.html#gimp-tile-cache-size"><code class="function">gimp_tile_cache_size()</code></a> but allows to specify the
number of tiles directly.
</p><p>
</p>
<p>
If your plug-in access pixels tile-by-tile, it doesn't need a tile
cache at all. If however the plug-in accesses drawable pixel data
row-by-row, it should set the tile cache large enough to hold the
number of tiles per row. Double this size if your plug-in uses
shadow tiles.</p><p>
shadow tiles.</p>
<p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><em class="parameter"><code>ntiles</code></em><EFBFBD>:</span></td><td> number of tiles that should fit into the cache
</td></tr></tbody></table></div></div></div></div><table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libgimp-gimptexttool.html"><b>&lt;&lt;<EFBFBD>gimptexttool</b></a></td><td align="right"><a accesskey="n" href="libgimp-gimptools.html"><b>gimptools<EFBFBD>&gt;&gt;</b></a></td></tr></table></body></html>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td>
<span class="term"><em class="parameter"><code>ntiles</code></em>&#160;:</span></td>
<td> number of tiles that should fit into the cache
</td>
</tr></tbody>
</table></div>
</div>
</div>
</div>
<table class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle">
<td align="left"><a accesskey="p" href="libgimp-gimptexttool.html"><b>&lt;&lt;&#160;gimptexttool</b></a></td>
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