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<div class="refentry">
<a name="graphene-Size"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="graphene-Size.top_of_page"></a>Size</span></h2>
<p>Size — Size representation</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="graphene-Size.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="graphene-Size.html#GRAPHENE-SIZE-INIT:CAPS" title="GRAPHENE_SIZE_INIT()">GRAPHENE_SIZE_INIT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="graphene-Size.html#graphene-size-alloc" title="graphene_size_alloc ()">graphene_size_alloc</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="graphene-Size.html#graphene-size-free" title="graphene_size_free ()">graphene_size_free</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="graphene-Size.html#graphene-size-init" title="graphene_size_init ()">graphene_size_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="graphene-Size.html#graphene-size-init-from-size" title="graphene_size_init_from_size ()">graphene_size_init_from_size</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">bool</span>
</td>
<td class="function_name">
<a class="link" href="graphene-Size.html#graphene-size-equal" title="graphene_size_equal ()">graphene_size_equal</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="graphene-Size.html#graphene-size-scale" title="graphene_size_scale ()">graphene_size_scale</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="graphene-Size.html#graphene-size-interpolate" title="graphene_size_interpolate ()">graphene_size_interpolate</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
</td>
<td class="function_name">
<a class="link" href="graphene-Size.html#graphene-size-zero" title="graphene_size_zero ()">graphene_size_zero</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="graphene-Size.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="graphene-Size.html#GRAPHENE-SIZE-INIT-ZERO:CAPS" title="GRAPHENE_SIZE_INIT_ZERO">GRAPHENE_SIZE_INIT_ZERO</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t">graphene_size_t</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="graphene-Size.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <graphene.h>
</pre>
</div>
<div class="refsect1">
<a name="graphene-Size.description"></a><h2>Description</h2>
<p><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> represents a size composed of a <em class="parameter"><code>graphene_size_t.width</code></em>
by a <em class="parameter"><code>graphene_size_t.height</code></em>
.</p>
</div>
<div class="refsect1">
<a name="graphene-Size.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="GRAPHENE-SIZE-INIT:CAPS"></a><h3>GRAPHENE_SIZE_INIT()</h3>
<pre class="programlisting">#define GRAPHENE_SIZE_INIT(_w,_h) (graphene_size_t) { .width = (_w), .height = (_h) }
</pre>
<p>Initializes a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> with the given sizes when
declaring it, e.g.:</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="n">graphene_size_t</span> <span class="n">size</span> <span class="o">=</span> <span class="n">GRAPHENE_SIZE_INIT</span> <span class="p">(</span><span class="mf">100.f</span><span class="p">,</span> <span class="mf">100.f</span><span class="p">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
<div class="refsect3">
<a name="GRAPHENE-SIZE-INIT.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>_w</p></td>
<td class="parameter_description"><p>the width</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>_h</p></td>
<td class="parameter_description"><p>the height</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-alloc"></a><h3>graphene_size_alloc ()</h3>
<pre class="programlisting"><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
graphene_size_alloc (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Allocates a new <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a>.</p>
<p>The contents of the returned value are undefined.</p>
<p><span class="annotation">[<acronym title="This symbol is a constructor, not a static method."><span class="acronym">constructor</span></acronym>]</span></p>
<div class="refsect3">
<a name="graphene-size-alloc.returns"></a><h4>Returns</h4>
<p>the newly allocated <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a>. </p>
<p><span class="annotation">[<acronym title="The caller owns the data, and is responsible for free it."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-free"></a><h3>graphene_size_free ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
graphene_size_free (<em class="parameter"><code><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *s</code></em>);</pre>
<p>Frees the resources allocated by <a class="link" href="graphene-Size.html#graphene-size-alloc" title="graphene_size_alloc ()"><code class="function">graphene_size_alloc()</code></a>.</p>
<div class="refsect3">
<a name="graphene-size-free.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>s</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-init"></a><h3>graphene_size_init ()</h3>
<pre class="programlisting"><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
graphene_size_init (<em class="parameter"><code><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *s</code></em>,
<em class="parameter"><code><span class="type">float</span> width</code></em>,
<em class="parameter"><code><span class="type">float</span> height</code></em>);</pre>
<p>Initializes a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> using the given <em class="parameter"><code>width</code></em>
and <em class="parameter"><code>height</code></em>
.</p>
<div class="refsect3">
<a name="graphene-size-init.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>s</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width</p></td>
<td class="parameter_description"><p>the width</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height</p></td>
<td class="parameter_description"><p>the height</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="graphene-size-init.returns"></a><h4>Returns</h4>
<p>the initialized <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a>. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-init-from-size"></a><h3>graphene_size_init_from_size ()</h3>
<pre class="programlisting"><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
graphene_size_init_from_size (<em class="parameter"><code><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *s</code></em>,
<em class="parameter"><code>const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *src</code></em>);</pre>
<p>Initializes a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> using the width and height of
the given <em class="parameter"><code>src</code></em>
.</p>
<div class="refsect3">
<a name="graphene-size-init-from-size.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>s</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>src</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="graphene-size-init-from-size.returns"></a><h4>Returns</h4>
<p>the initialized <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a>. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-equal"></a><h3>graphene_size_equal ()</h3>
<pre class="programlisting"><span class="returnvalue">bool</span>
graphene_size_equal (<em class="parameter"><code>const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *a</code></em>,
<em class="parameter"><code>const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *b</code></em>);</pre>
<p>Checks whether the two give <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> are equal.</p>
<div class="refsect3">
<a name="graphene-size-equal.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>a</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>b</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="graphene-size-equal.returns"></a><h4>Returns</h4>
<p> <code class="literal">true</code> if the sizes are equal</p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-scale"></a><h3>graphene_size_scale ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
graphene_size_scale (<em class="parameter"><code>const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *s</code></em>,
<em class="parameter"><code><span class="type">float</span> factor</code></em>,
<em class="parameter"><code><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *res</code></em>);</pre>
<p>Scales the components of a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> using the given <em class="parameter"><code>factor</code></em>
.</p>
<div class="refsect3">
<a name="graphene-size-scale.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>s</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>factor</p></td>
<td class="parameter_description"><p>the scaling factor</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>return location for the scaled size. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Out parameter, where caller must allocate storage."><span class="acronym">out caller-allocates</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-interpolate"></a><h3>graphene_size_interpolate ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
graphene_size_interpolate (<em class="parameter"><code>const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *a</code></em>,
<em class="parameter"><code>const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *b</code></em>,
<em class="parameter"><code><span class="type">double</span> factor</code></em>,
<em class="parameter"><code><a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> *res</code></em>);</pre>
<p>Linearly interpolates the two given <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> using the given
interpolation <em class="parameter"><code>factor</code></em>
.</p>
<div class="refsect3">
<a name="graphene-size-interpolate.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>a</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>b</p></td>
<td class="parameter_description"><p>a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>factor</p></td>
<td class="parameter_description"><p>the linear interpolation factor</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>res</p></td>
<td class="parameter_description"><p>return location for the interpolated size. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Out parameter, where caller must allocate storage."><span class="acronym">out caller-allocates</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-zero"></a><h3>graphene_size_zero ()</h3>
<pre class="programlisting">const <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="returnvalue">graphene_size_t</span></a> *
graphene_size_zero (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>A constant pointer to a zero <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a>, useful for
equality checks and interpolations.</p>
<div class="refsect3">
<a name="graphene-size-zero.returns"></a><h4>Returns</h4>
<p>a constant size. </p>
<p><span class="annotation">[<acronym title="The data is owned by the callee, which is responsible of freeing it."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
</div>
<div class="refsect1">
<a name="graphene-Size.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GRAPHENE-SIZE-INIT-ZERO:CAPS"></a><h3>GRAPHENE_SIZE_INIT_ZERO</h3>
<pre class="programlisting">#define GRAPHENE_SIZE_INIT_ZERO GRAPHENE_SIZE_INIT (0.f, 0.f)
</pre>
<p>Initializes a <a class="link" href="graphene-Size.html#graphene-size-t" title="graphene_size_t"><span class="type">graphene_size_t</span></a> to (0, 0) when declaring it.</p>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
<hr>
<div class="refsect2">
<a name="graphene-size-t"></a><h3>graphene_size_t</h3>
<pre class="programlisting">typedef struct {
float width;
float height;
} graphene_size_t;
</pre>
<p>A size.</p>
<div class="refsect3">
<a name="graphene-size-t.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><span class="type">float</span> <em class="structfield"><code><a name="graphene-size-t.width"></a>width</code></em>;</p></td>
<td class="struct_member_description"><p>the width</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">float</span> <em class="structfield"><code><a name="graphene-size-t.height"></a>height</code></em>;</p></td>
<td class="struct_member_description"><p>the height</p></td>
<td class="struct_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="ix03.html#api-index-1.0">1.0</a></p>
</div>
</div>
</div>
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