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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>gimprectangle: GIMP Base Library Reference Manual</title>
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<a href="#libgimpbase-gimprectangle.description" class="shortcut">Description</a></span>
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<a name="libgimpbase-gimprectangle"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="libgimpbase-gimprectangle.top_of_page"></a>gimprectangle</span></h2>
<p>gimprectangle — Utility functions dealing with rectangle extents.</p>
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<div class="refsect1">
<a name="libgimpbase-gimprectangle.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="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libgimpbase-gimprectangle.html#gimp-rectangle-intersect" title="gimp_rectangle_intersect ()">gimp_rectangle_intersect</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="libgimpbase-gimprectangle.html#gimp-rectangle-union" title="gimp_rectangle_union ()">gimp_rectangle_union</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libgimpbase-gimprectangle.description"></a><h2>Description</h2>
<p>Utility functions dealing with rectangle extents.</p>
</div>
<div class="refsect1">
<a name="libgimpbase-gimprectangle.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gimp-rectangle-intersect"></a><h3>gimp_rectangle_intersect ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
gimp_rectangle_intersect (<em class="parameter"><code><span class="type">gint</span> x1</code></em>,
<em class="parameter"><code><span class="type">gint</span> y1</code></em>,
<em class="parameter"><code><span class="type">gint</span> width1</code></em>,
<em class="parameter"><code><span class="type">gint</span> height1</code></em>,
<em class="parameter"><code><span class="type">gint</span> x2</code></em>,
<em class="parameter"><code><span class="type">gint</span> y2</code></em>,
<em class="parameter"><code><span class="type">gint</span> width2</code></em>,
<em class="parameter"><code><span class="type">gint</span> height2</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_x</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_y</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_width</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_height</code></em>);</pre>
<p>Calculates the intersection of two rectangles.</p>
<div class="refsect3">
<a name="gimp-rectangle-intersect.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>x1</p></td>
<td class="parameter_description"><p>origin of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y1</p></td>
<td class="parameter_description"><p>origin of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width1</p></td>
<td class="parameter_description"><p>width of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height1</p></td>
<td class="parameter_description"><p>height of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x2</p></td>
<td class="parameter_description"><p>origin of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y2</p></td>
<td class="parameter_description"><p>origin of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width2</p></td>
<td class="parameter_description"><p>width of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height2</p></td>
<td class="parameter_description"><p>height of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_x</p></td>
<td class="parameter_description"><p>return location for origin of intersection (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_y</p></td>
<td class="parameter_description"><p>return location for origin of intersection (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_width</p></td>
<td class="parameter_description"><p>return location for width of intersection (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_height</p></td>
<td class="parameter_description"><p>return location for height of intersection (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gimp-rectangle-intersect.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if the intersection is non-empty, <code class="literal">FALSE</code> otherwise</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-4.html#api-index-2.4">2.4</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gimp-rectangle-union"></a><h3>gimp_rectangle_union ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gimp_rectangle_union (<em class="parameter"><code><span class="type">gint</span> x1</code></em>,
<em class="parameter"><code><span class="type">gint</span> y1</code></em>,
<em class="parameter"><code><span class="type">gint</span> width1</code></em>,
<em class="parameter"><code><span class="type">gint</span> height1</code></em>,
<em class="parameter"><code><span class="type">gint</span> x2</code></em>,
<em class="parameter"><code><span class="type">gint</span> y2</code></em>,
<em class="parameter"><code><span class="type">gint</span> width2</code></em>,
<em class="parameter"><code><span class="type">gint</span> height2</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_x</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_y</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_width</code></em>,
<em class="parameter"><code><span class="type">gint</span> *dest_height</code></em>);</pre>
<p>Calculates the union of two rectangles.</p>
<div class="refsect3">
<a name="gimp-rectangle-union.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>x1</p></td>
<td class="parameter_description"><p>origin of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y1</p></td>
<td class="parameter_description"><p>origin of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width1</p></td>
<td class="parameter_description"><p>width of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height1</p></td>
<td class="parameter_description"><p>height of first rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>x2</p></td>
<td class="parameter_description"><p>origin of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>y2</p></td>
<td class="parameter_description"><p>origin of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>width2</p></td>
<td class="parameter_description"><p>width of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>height2</p></td>
<td class="parameter_description"><p>height of second rectangle</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_x</p></td>
<td class="parameter_description"><p>return location for origin of union (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_y</p></td>
<td class="parameter_description"><p>return location for origin of union (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_width</p></td>
<td class="parameter_description"><p>return location for width of union (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dest_height</p></td>
<td class="parameter_description"><p>return location for height of union (may be <code class="literal">NULL</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
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