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<div class="title">qwt_bezier.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef QWT_BEZIER_H</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_BEZIER_H</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  </div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_global.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">class </span>QPointF;</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">class </span>QPolygonF;</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="class_qwt_bezier.html"> 29</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_bezier.html">QwtBezier</a></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="class_qwt_bezier.html">QwtBezier</a>( <span class="keywordtype">double</span> tolerance = 0.5 );</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  ~<a class="code" href="class_qwt_bezier.html">QwtBezier</a>();</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordtype">void</span> setTolerance( <span class="keywordtype">double</span> tolerance );</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">double</span> tolerance() <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  QPolygonF toPolygon( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& cp1,</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> QPointF& cp2, <span class="keyword">const</span> QPointF& p2 ) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> appendToPolygon( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& cp1,</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">const</span> QPointF& cp2, <span class="keyword">const</span> QPointF& p2, QPolygonF& polygon ) <span class="keyword">const</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">static</span> QPointF pointAt( <span class="keyword">const</span> QPointF& p1, <span class="keyword">const</span> QPointF& cp1,</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">const</span> QPointF& cp2, <span class="keyword">const</span> QPointF& p2, <span class="keywordtype">double</span> t );</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">private</span>:</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">double</span> m_tolerance;</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">double</span> m_flatness;</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> };</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
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<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="class_qwt_bezier.html#a53b980b7397ef4bdcbc011d6556108b8"> 56</a></span> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_bezier.html#a53b980b7397ef4bdcbc011d6556108b8">QwtBezier::tolerance</a>()<span class="keyword"> const</span></div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword"></span>{</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> m_tolerance;</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="aclass_qwt_bezier_html"><div class="ttname"><a href="class_qwt_bezier.html">QwtBezier</a></div><div class="ttdoc">An implementation of the de Casteljau’s Algorithm for interpolating Bézier curves.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8h_source.html#l00029">qwt_bezier.h:30</a></div></div>
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<div class="ttc" id="aclass_qwt_bezier_html_a53b980b7397ef4bdcbc011d6556108b8"><div class="ttname"><a href="class_qwt_bezier.html#a53b980b7397ef4bdcbc011d6556108b8">QwtBezier::tolerance</a></div><div class="ttdeci">double tolerance() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__bezier_8h_source.html#l00056">qwt_bezier.h:56</a></div></div>
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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><b>qwt_bezier.h</b></li>
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<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
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