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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>MetaShapedTexture: Muffin Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="Muffin Reference Manual">
<link rel="up" href="core-reference.html" title="Part III. Muffin Core Reference">
<link rel="prev" href="MetaShadowFactory.html" title="MetaShadowFactory">
<link rel="next" href="MetaWindowActor.html" title="MetaWindowActor">
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#MetaShapedTexture.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#MetaShapedTexture.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="core-reference.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="MetaShadowFactory.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="MetaWindowActor.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="MetaShapedTexture"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="MetaShapedTexture.top_of_page"></a>MetaShapedTexture</span></h2>
<p>MetaShapedTexture — An actor to draw a masked texture.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="MetaShapedTexture.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">ClutterActor</span> *
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-new" title="meta_shaped_texture_new ()">meta_shaped_texture_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-set-create-mipmaps" title="meta_shaped_texture_set_create_mipmaps ()">meta_shaped_texture_set_create_mipmaps</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-update-area" title="meta_shaped_texture_update_area ()">meta_shaped_texture_update_area</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-set-pixmap" title="meta_shaped_texture_set_pixmap ()">meta_shaped_texture_set_pixmap</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">CoglHandle</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-get-texture" title="meta_shaped_texture_get_texture ()">meta_shaped_texture_get_texture</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-set-shape-region" title="meta_shaped_texture_set_shape_region ()">meta_shaped_texture_set_shape_region</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-set-overlay-path" title="meta_shaped_texture_set_overlay_path ()">meta_shaped_texture_set_overlay_path</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-set-clip-region" title="meta_shaped_texture_set_clip_region ()">meta_shaped_texture_set_clip_region</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">cairo_surface_t</span> *
</td>
<td class="function_name">
<a class="link" href="MetaShapedTexture.html#meta-shaped-texture-get-image" title="meta_shaped_texture_get_image ()">meta_shaped_texture_get_image</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="MetaShapedTexture.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    GObject
    <span class="lineart">╰──</span> GInitiallyUnowned
        <span class="lineart">╰──</span> ClutterActor
            <span class="lineart">╰──</span> MetaShapedTexture
</pre>
</div>
<div class="refsect1">
<a name="MetaShapedTexture.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="MetaShapedTexture.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="meta-shaped-texture-new"></a><h3>meta_shaped_texture_new ()</h3>
<pre class="programlisting"><span class="returnvalue">ClutterActor</span> *
meta_shaped_texture_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-set-create-mipmaps"></a><h3>meta_shaped_texture_set_create_mipmaps ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
meta_shaped_texture_set_create_mipmaps
                               (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                                <em class="parameter"><code><span class="type">gboolean</span> create_mipmaps</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-update-area"></a><h3>meta_shaped_texture_update_area ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
meta_shaped_texture_update_area (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> x</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> y</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> width</code></em>,
                                 <em class="parameter"><code><span class="type">int</span> height</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-set-pixmap"></a><h3>meta_shaped_texture_set_pixmap ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
meta_shaped_texture_set_pixmap (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                                <em class="parameter"><code><span class="type">Pixmap</span> pixmap</code></em>);</pre>
<div class="refsect3">
<a name="meta-shaped-texture-set-pixmap.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>stex</p></td>
<td class="parameter_description"><p>The <a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>pixmap</p></td>
<td class="parameter_description"><p>The pixmap you want the stex to assume</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-get-texture"></a><h3>meta_shaped_texture_get_texture ()</h3>
<pre class="programlisting"><span class="returnvalue">CoglHandle</span>
meta_shaped_texture_get_texture (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>);</pre>
<div class="refsect3">
<a name="meta-shaped-texture-get-texture.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>stex</p></td>
<td class="parameter_description"><p>The <a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="meta-shaped-texture-get-texture.returns"></a><h4>Returns</h4>
<p>the unshaped texture. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-set-shape-region"></a><h3>meta_shaped_texture_set_shape_region ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
meta_shaped_texture_set_shape_region (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                                      <em class="parameter"><code><span class="type">cairo_region_t</span> *region</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-set-overlay-path"></a><h3>meta_shaped_texture_set_overlay_path ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
meta_shaped_texture_set_overlay_path (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                                      <em class="parameter"><code><span class="type">cairo_region_t</span> *overlay_region</code></em>,
                                      <em class="parameter"><code><span class="type">cairo_path_t</span> *overlay_path</code></em>);</pre>
<div class="refsect3">
<a name="meta-shaped-texture-set-overlay-path.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>stex</p></td>
<td class="parameter_description"><p>a <a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>overlay_region</p></td>
<td class="parameter_description"><p>A region containing the parts of the mask to overlay.
All rectangles in this region are wiped clear to full transparency,
and the overlay path is clipped to this region.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>overlay_path</p></td>
<td class="parameter_description"><p>This path will be painted onto the mask
texture with a fully opaque source. Due to the lack of refcounting
in <span class="type">cairo_path_t</span>, ownership of the path is assumed. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-set-clip-region"></a><h3>meta_shaped_texture_set_clip_region ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
meta_shaped_texture_set_clip_region (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                                     <em class="parameter"><code><span class="type">cairo_region_t</span> *clip_region</code></em>);</pre>
<p>Provides a hint to the texture about what areas of the texture
are not completely obscured and thus need to be painted. This
is an optimization and is not supposed to have any effect on
the output.</p>
<p>Typically a parent container will set the clip region before
painting its children, and then unset it afterwards.</p>
<div class="refsect3">
<a name="meta-shaped-texture-set-clip-region.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>stex</p></td>
<td class="parameter_description"><p>a <a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>clip_region</p></td>
<td class="parameter_description"><p>the region of the texture that
is visible and should be painted. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="meta-shaped-texture-get-image"></a><h3>meta_shaped_texture_get_image ()</h3>
<pre class="programlisting"><span class="returnvalue">cairo_surface_t</span> *
meta_shaped_texture_get_image (<em class="parameter"><code><a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a> *stex</code></em>,
                               <em class="parameter"><code><span class="type">cairo_rectangle_int_t</span> *clip</code></em>);</pre>
<p>Flattens the two layers of the shaped texture into one ARGB32
image by alpha blending the two images, and returns the flattened
image.</p>
<div class="refsect3">
<a name="meta-shaped-texture-get-image.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>stex</p></td>
<td class="parameter_description"><p>A <a class="link" href="MetaShapedTexture.html" title="MetaShapedTexture"><span class="type">MetaShapedTexture</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>clip</p></td>
<td class="parameter_description"><p>A clipping rectangle, to help prevent extra processing.
In the case that the clipping rectangle is partially or fully
outside the bounds of the texture, the rectangle will be clipped.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="meta-shaped-texture-get-image.returns"></a><h4>Returns</h4>
<p>a new cairo surface to be freed with
<code class="function">cairo_surface_destroy()</code>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="MetaShapedTexture.other_details"></a><h2>Types and Values</h2>
</div>
</div>
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