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<div class="header">
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<a href="#pub-static-methods">Static Public Member Functions</a> &#124;
<a href="class_qwt_clipper-members.html">List of all members</a> </div>
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<div class="title">QwtClipper Class Reference</div> </div>
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<p>Some clipping algorithms.
<a href="class_qwt_clipper.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="qwt__clipper_8h_source.html">qwt_clipper.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:ab42cda85c068194ae0c60f66ecd12022"><td class="memItemLeft" align="right" valign="top">static QPolygon&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_clipper.html#ab42cda85c068194ae0c60f66ecd12022">clipPolygon</a> (const QRect &amp;, const QPolygon &amp;, bool closePolygon=false)</td></tr>
<tr class="separator:ab42cda85c068194ae0c60f66ecd12022"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:adc4aa63cfb8b7ed97311b117f2613f0d"><td class="memItemLeft" align="right" valign="top">static QPolygon&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_clipper.html#adc4aa63cfb8b7ed97311b117f2613f0d">clipPolygon</a> (const QRectF &amp;, const QPolygon &amp;, bool closePolygon=false)</td></tr>
<tr class="separator:adc4aa63cfb8b7ed97311b117f2613f0d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab7f737adc53ccd730934197359de3c95"><td class="memItemLeft" align="right" valign="top">static QPolygonF&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_clipper.html#ab7f737adc53ccd730934197359de3c95">clipPolygonF</a> (const QRectF &amp;, const QPolygonF &amp;, bool closePolygon=false)</td></tr>
<tr class="separator:ab7f737adc53ccd730934197359de3c95"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab36605186b4a1c411fccb3b68cf1724a"><td class="memItemLeft" align="right" valign="top">static QVector&lt; <a class="el" href="class_qwt_interval.html">QwtInterval</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_clipper.html#ab36605186b4a1c411fccb3b68cf1724a">clipCircle</a> (const QRectF &amp;, const QPointF &amp;, double radius)</td></tr>
<tr class="separator:ab36605186b4a1c411fccb3b68cf1724a"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Some clipping algorithms. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">QVector&lt; <a class="el" href="class_qwt_interval.html">QwtInterval</a> &gt; QwtClipper::clipCircle </td>
<td>(</td>
<td class="paramtype">const QRectF &amp;&#160;</td>
<td class="paramname"><em>clipRect</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QPointF &amp;&#160;</td>
<td class="paramname"><em>center</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double&#160;</td>
<td class="paramname"><em>radius</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Circle clipping</p>
<p><a class="el" href="class_qwt_clipper.html#ab36605186b4a1c411fccb3b68cf1724a">clipCircle()</a> divides a circle into intervals of angles representing arcs of the circle. When the circle is completely inside the clip rectangle an interval [0.0, 2 * M_PI] is returned.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">clipRect</td><td>Clip rectangle </td></tr>
<tr><td class="paramname">center</td><td>Center of the circle </td></tr>
<tr><td class="paramname">radius</td><td>Radius of the circle</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Arcs of the circle </dd></dl>
</div>
</div>
<a class="anchor" id="ab42cda85c068194ae0c60f66ecd12022"></a>
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<div class="memproto">
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<td class="memname">QPolygon QwtClipper::clipPolygon </td>
<td>(</td>
<td class="paramtype">const QRect &amp;&#160;</td>
<td class="paramname"><em>clipRect</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QPolygon &amp;&#160;</td>
<td class="paramname"><em>polygon</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool&#160;</td>
<td class="paramname"><em>closePolygon</em> = <code>false</code>&#160;</td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Sutherland-Hodgman polygon clipping</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">clipRect</td><td>Clip rectangle </td></tr>
<tr><td class="paramname">polygon</td><td>Polygon </td></tr>
<tr><td class="paramname">closePolygon</td><td>True, when the polygon is closed</td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>Clipped polygon </dd></dl>
</div>
</div>
<a class="anchor" id="adc4aa63cfb8b7ed97311b117f2613f0d"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
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<td class="memname">QPolygon QwtClipper::clipPolygon </td>
<td>(</td>
<td class="paramtype">const QRectF &amp;&#160;</td>
<td class="paramname"><em>clipRect</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QPolygon &amp;&#160;</td>
<td class="paramname"><em>polygon</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool&#160;</td>
<td class="paramname"><em>closePolygon</em> = <code>false</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
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<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
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<p>Sutherland-Hodgman polygon clipping</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">clipRect</td><td>Clip rectangle </td></tr>
<tr><td class="paramname">polygon</td><td>Polygon </td></tr>
<tr><td class="paramname">closePolygon</td><td>True, when the polygon is closed</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Clipped polygon </dd></dl>
</div>
</div>
<a class="anchor" id="ab7f737adc53ccd730934197359de3c95"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">QPolygonF QwtClipper::clipPolygonF </td>
<td>(</td>
<td class="paramtype">const QRectF &amp;&#160;</td>
<td class="paramname"><em>clipRect</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const QPolygonF &amp;&#160;</td>
<td class="paramname"><em>polygon</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool&#160;</td>
<td class="paramname"><em>closePolygon</em> = <code>false</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Sutherland-Hodgman polygon clipping</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">clipRect</td><td>Clip rectangle </td></tr>
<tr><td class="paramname">polygon</td><td>Polygon </td></tr>
<tr><td class="paramname">closePolygon</td><td>True, when the polygon is closed</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Clipped polygon </dd></dl>
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