1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>drm_rect_intersect</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux DRM Developer's Guide"><link rel="up" href="ch02s05.html#idp1126612844" title="Rectangle Utilities Reference"><link rel="prev" href="API-drm-rect-equals.html" title="drm_rect_equals"><link rel="next" href="API-drm-rect-clip-scaled.html" title="drm_rect_clip_scaled"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">drm_rect_intersect</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-drm-rect-equals.html">Prev</a>&#160;</td><th width="60%" align="center">Rectangle Utilities Reference</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-drm-rect-clip-scaled.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-drm-rect-intersect"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drm_rect_intersect &#8212; 
2  intersect two rectangles
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">bool <b class="fsfunc">drm_rect_intersect </b>(</code></td><td>struct drm_rect * <var class="pdparam">r1</var>, </td></tr><tr><td>&#160;</td><td>const struct drm_rect * <var class="pdparam">r2</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1126690860"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>r1</code></em></span></dt><dd><p>
4     first rectangle
5    </p></dd><dt><span class="term"><em class="parameter"><code>r2</code></em></span></dt><dd><p>
6     second rectangle
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1126693452"></a><h2>Description</h2><p>
8   Calculate the intersection of rectangles <em class="parameter"><code>r1</code></em> and <em class="parameter"><code>r2</code></em>.
9   <em class="parameter"><code>r1</code></em> will be overwritten with the intersection.
10</p></div><div class="refsect1"><a name="idp1126695172"></a><h2>RETURNS</h2><p>
11   <code class="constant">true</code> if rectangle <em class="parameter"><code>r1</code></em> is still visible after the operation,
12   <code class="constant">false</code> otherwise.
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