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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values"></a><a class="link" href="boost_geometry_register_box_2d_4values.html" title="BOOST_GEOMETRY_REGISTER_BOX_2D_4VALUES">BOOST_GEOMETRY_REGISTER_BOX_2D_4VALUES</a> |
| </h5></div></div></div> |
| <p> |
| <a class="indexterm" name="idp104017008"></a> |
| Macro to register a box. |
| </p> |
| <h6> |
| <a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.h0"></a> |
| <span class="phrase"><a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.description"></a></span><a class="link" href="boost_geometry_register_box_2d_4values.html#geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.description">Description</a> |
| </h6> |
| <p> |
| The macro BOOST_GEOMETRY_REGISTER_BOX_2D_4VALUES registers a box such |
| that it is recognized by Boost.Geometry and that Boost.Geometry functionality |
| can used with the specified type. |
| </p> |
| <h6> |
| <a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.h1"></a> |
| <span class="phrase"><a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.synopsis"></a></span><a class="link" href="boost_geometry_register_box_2d_4values.html#geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.synopsis">Synopsis</a> |
| </h6> |
| <p> |
| </p> |
| <pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">BOOST_GEOMETRY_REGISTER_BOX_2D_4VALUES</span><span class="special">(</span><span class="identifier">Box</span><span class="special">,</span> <span class="identifier">Point</span><span class="special">,</span> <span class="identifier">Left</span><span class="special">,</span> |
| <span class="identifier">Bottom</span><span class="special">,</span> <span class="identifier">Right</span><span class="special">,</span> <span class="identifier">Top</span><span class="special">)</span></pre> |
| <p> |
| </p> |
| <h6> |
| <a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.h2"></a> |
| <span class="phrase"><a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.parameters"></a></span><a class="link" href="boost_geometry_register_box_2d_4values.html#geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.parameters">Parameters</a> |
| </h6> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
| </colgroup> |
| <thead><tr> |
| <th> |
| <p> |
| Name |
| </p> |
| </th> |
| <th> |
| <p> |
| Description |
| </p> |
| </th> |
| </tr></thead> |
| <tbody> |
| <tr> |
| <td> |
| <p> |
| Box |
| </p> |
| </td> |
| <td> |
| <p> |
| Box type to be registered |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| Point |
| </p> |
| </td> |
| <td> |
| <p> |
| Point type reported as point_type by box. Must be two dimensional. |
| Note that these box tyeps do not contain points, but they must |
| have a related point_type |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| Left |
| </p> |
| </td> |
| <td> |
| <p> |
| Left side (must be public member or method) |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| Bottom |
| </p> |
| </td> |
| <td> |
| <p> |
| Bottom side (must be public member or method) |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| Right |
| </p> |
| </td> |
| <td> |
| <p> |
| Right side (must be public member or method) |
| </p> |
| </td> |
| </tr> |
| <tr> |
| <td> |
| <p> |
| Top |
| </p> |
| </td> |
| <td> |
| <p> |
| Top side (must be public member or method) |
| </p> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| <h6> |
| <a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.h3"></a> |
| <span class="phrase"><a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.header"></a></span><a class="link" href="boost_geometry_register_box_2d_4values.html#geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.header">Header</a> |
| </h6> |
| <p> |
| <code class="computeroutput"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">/</span><span class="keyword">register</span><span class="special">/</span><span class="identifier">box</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> |
| </p> |
| <h6> |
| <a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.h4"></a> |
| <span class="phrase"><a name="geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.example"></a></span><a class="link" href="boost_geometry_register_box_2d_4values.html#geometry.reference.adapted.register.boost_geometry_register_box_2d_4values.example">Example</a> |
| </h6> |
| <p> |
| Show the use of the macro BOOST_GEOMETRY_REGISTER_BOX_2D_4VALUES |
| </p> |
| <p> |
| </p> |
| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">/</span><span class="keyword">register</span><span class="special">/</span><span class="identifier">point</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">geometry</span><span class="special">/</span><span class="identifier">geometries</span><span class="special">/</span><span class="keyword">register</span><span class="special">/</span><span class="identifier">box</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| |
| <span class="keyword">struct</span> <span class="identifier">my_point</span> |
| <span class="special">{</span> |
| <span class="keyword">int</span> <span class="identifier">x</span><span class="special">,</span> <span class="identifier">y</span><span class="special">;</span> |
| <span class="special">};</span> |
| |
| <span class="keyword">struct</span> <span class="identifier">my_box</span> |
| <span class="special">{</span> |
| <span class="keyword">int</span> <span class="identifier">left</span><span class="special">,</span> <span class="identifier">top</span><span class="special">,</span> <span class="identifier">right</span><span class="special">,</span> <span class="identifier">bottom</span><span class="special">;</span> |
| <span class="special">};</span> |
| |
| <span class="identifier">BOOST_GEOMETRY_REGISTER_POINT_2D</span><span class="special">(</span><span class="identifier">my_point</span><span class="special">,</span> <span class="keyword">int</span><span class="special">,</span> <span class="identifier">cs</span><span class="special">::</span><span class="identifier">cartesian</span><span class="special">,</span> <span class="identifier">x</span><span class="special">,</span> <span class="identifier">y</span><span class="special">)</span> |
| |
| <span class="comment">// Register the box type, also notifying that it is based on "my_point"</span> |
| <span class="comment">// (even if it does not contain it)</span> |
| <span class="identifier">BOOST_GEOMETRY_REGISTER_BOX_2D_4VALUES</span><span class="special">(</span><span class="identifier">my_box</span><span class="special">,</span> <span class="identifier">my_point</span><span class="special">,</span> <span class="identifier">left</span><span class="special">,</span> <span class="identifier">top</span><span class="special">,</span> <span class="identifier">right</span><span class="special">,</span> <span class="identifier">bottom</span><span class="special">)</span> |
| |
| <span class="keyword">int</span> <span class="identifier">main</span><span class="special">()</span> |
| <span class="special">{</span> |
| <span class="identifier">my_box</span> <span class="identifier">b</span> <span class="special">=</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">make</span><span class="special"><</span><span class="identifier">my_box</span><span class="special">>(</span><span class="number">0</span><span class="special">,</span> <span class="number">0</span><span class="special">,</span> <span class="number">2</span><span class="special">,</span> <span class="number">2</span><span class="special">);</span> |
| <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special"><<</span> <span class="string">"Area: "</span> <span class="special"><<</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">geometry</span><span class="special">::</span><span class="identifier">area</span><span class="special">(</span><span class="identifier">b</span><span class="special">)</span> <span class="special"><<</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span> |
| <span class="keyword">return</span> <span class="number">0</span><span class="special">;</span> |
| <span class="special">}</span> |
| </pre> |
| <p> |
| </p> |
| <p> |
| Output: |
| </p> |
| <pre class="programlisting">Area: 4 |
| </pre> |
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| <td align="right"><div class="copyright-footer">Copyright © 2009-2015 Barend Gehrels, Bruno Lalande, |
| Mateusz Loskot, Adam Wulkiewicz, Oracle and/or its affiliates<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) |
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