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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Ipelib: Ipe Geometry</title>
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<!-- Generated by Doxygen 1.5.1 -->
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<li><a href="index.html"><span>Main Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
</ul></div>
<h1>Ipe Geometry</h1>Geometric primitives for Ipe.
<a href="#_details">More...</a><h2>Classes</h2>
<ul>
<li>class <a class="el" href="class_ipe_angle.html">IpeAngle</a>
<dl class="el"><dd class="mdescRight">A double that's an angle. <a href="class_ipe_angle.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_vector.html">IpeVector</a>
<dl class="el"><dd class="mdescRight">Two-dimensional vector. <a href="class_ipe_vector.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_rect.html">IpeRect</a>
<dl class="el"><dd class="mdescRight">Axis-parallel rectangle (which can be empty). <a href="class_ipe_rect.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_line.html">IpeLine</a>
<dl class="el"><dd class="mdescRight">A directed line. <a href="class_ipe_line.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_segment.html">IpeSegment</a>
<dl class="el"><dd class="mdescRight">A directed line segment. <a href="class_ipe_segment.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_linear.html">IpeLinear</a>
<dl class="el"><dd class="mdescRight">Linear transformation in the plane (2x2 matrix). <a href="class_ipe_linear.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_matrix.html">IpeMatrix</a>
<dl class="el"><dd class="mdescRight">Homogeneous transformation in the plane. <a href="class_ipe_matrix.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_bezier.html">IpeBezier</a>
<dl class="el"><dd class="mdescRight">A cubic Bezier spline. <a href="class_ipe_bezier.html#_details">More...</a><br></dl><li>class <a class="el" href="class_ipe_arc.html">IpeArc</a>
<dl class="el"><dd class="mdescRight">An arc of an ellipse. <a href="class_ipe_arc.html#_details">More...</a><br></dl></ul>
<h2>Defines</h2>
<ul>
<li>#define <a class="el" href="group__geo.html#g09a693e222bbe587261135b019b526de">IpePi</a> 3.1415926535897932385
<li>#define <a class="el" href="group__geo.html#g3549f3d280a855ab04370c5d4db4c660">IpeTwoPi</a> 6.2831853071795862
<li>#define <a class="el" href="group__geo.html#g75de2eb41e4a6d17d1b3fb530a24e937">IpeHalfPi</a> 1.5707963267948966
</ul>
<h2>Typedefs</h2>
<ul>
<li>typedef double <a class="el" href="group__geo.html#gc0955fac0451d4dc0a3f2947d54d93ff">IpeScalar</a>
</ul>
<h2>Functions</h2>
<ul>
<li>template<class T> T <a class="el" href="group__geo.html#gccf15be55bc831a2348880d5bc6b736e">IpeMax</a> (const T &lhs, const T &rhs)
<li>template<class T> T <a class="el" href="group__geo.html#g74a88443aef0de0cacfeb4bde33102ce">IpeMin</a> (const T &lhs, const T &rhs)
<li>double <a class="el" href="group__geo.html#gc1fb6480d1a05bbf98c0e01f43ea3e85">IpeAbs</a> (double val)
</ul>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Geometric primitives for Ipe.
<p>
The IpeGeo module provides a few classes for constant-size geometric primitives, such as vector, axis-aligned rectangles, lines, rays, line segments, etc. <hr><h2>Define Documentation</h2>
<a class="anchor" name="g09a693e222bbe587261135b019b526de"></a><!-- doxytag: member="ipegeo.h::IpePi" ref="g09a693e222bbe587261135b019b526de" args="" -->
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<td class="memname">double IpePi 3.1415926535897932385 </td>
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<p>
The constant pi.
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</div><p>
<a class="anchor" name="g3549f3d280a855ab04370c5d4db4c660"></a><!-- doxytag: member="ipegeo.h::IpeTwoPi" ref="g3549f3d280a855ab04370c5d4db4c660" args="" -->
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<td class="memname">double IpeTwoPi 6.2831853071795862 </td>
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<p>
The constant 2 * pi.
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<a class="anchor" name="g75de2eb41e4a6d17d1b3fb530a24e937"></a><!-- doxytag: member="ipegeo.h::IpeHalfPi" ref="g75de2eb41e4a6d17d1b3fb530a24e937" args="" -->
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<td class="memname">double IpeHalfPi 1.5707963267948966 </td>
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<p>
The constant pi / 2.
</div>
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<hr><h2>Typedef Documentation</h2>
<a class="anchor" name="gc0955fac0451d4dc0a3f2947d54d93ff"></a><!-- doxytag: member="ipegeo.h::IpeScalar" ref="gc0955fac0451d4dc0a3f2947d54d93ff" args="" -->
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<td class="memname">typedef double <a class="el" href="group__geo.html#gc0955fac0451d4dc0a3f2947d54d93ff">IpeScalar</a> </td>
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<p>
Type of coordinates in IpeVectors.
</div>
</div><p>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="gccf15be55bc831a2348880d5bc6b736e"></a><!-- doxytag: member="ipegeo.h::IpeMax" ref="gccf15be55bc831a2348880d5bc6b736e" args="(const T &lhs, const T &rhs)" -->
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template<class T> </div>
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<td class="memname">T IpeMax </td>
<td>(</td>
<td class="paramtype">const T & </td>
<td class="paramname"> <em>lhs</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const T & </td>
<td class="paramname"> <em>rhs</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [inline]</code></td>
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<p>
Maximum of two values.
</div>
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<a class="anchor" name="g74a88443aef0de0cacfeb4bde33102ce"></a><!-- doxytag: member="ipegeo.h::IpeMin" ref="g74a88443aef0de0cacfeb4bde33102ce" args="(const T &lhs, const T &rhs)" -->
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template<class T> </div>
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<td class="memname">T IpeMin </td>
<td>(</td>
<td class="paramtype">const T & </td>
<td class="paramname"> <em>lhs</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const T & </td>
<td class="paramname"> <em>rhs</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [inline]</code></td>
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<p>
Minimum of two values.
</div>
</div><p>
<a class="anchor" name="gc1fb6480d1a05bbf98c0e01f43ea3e85"></a><!-- doxytag: member="ipegeo.h::IpeAbs" ref="gc1fb6480d1a05bbf98c0e01f43ea3e85" args="(double val)" -->
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<td class="memname">double IpeAbs </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"> <em>val</em> </td>
<td> ) </td>
<td width="100%"><code> [inline]</code></td>
</tr>
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</div>
<div class="memdoc">
<p>
Absolute value.
</div>
</div><p>
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