ceph/src/boost/libs/geometry/doc/src/examples/geometries/adapted/boost_polygon_box.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // QuickBook Example
   3
   4 // Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
   6
   7 // Use, modification and distribution is subject to the Boost Software License,
   8 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 //[boost_polygon_box
  12 //`Shows how to use Boost.Polygon rectangle_data within Boost.Geometry
  13
  14 #include <iostream>
  15 #include <boost/geometry.hpp>
  16 #include <boost/geometry/geometries/adapted/boost_polygon.hpp>
  17
  18 int main()
  19 {
  20     typedef boost::polygon::rectangle_data<int> rect;
  21
  22     rect b = boost::polygon::construct<rect>(1, 2, 3, 4);
  23
  24     std::cout << "Area (using Boost.Geometry): "
  25         << boost::geometry::area(b) << std::endl;
  26     std::cout << "Area (using Boost.Polygon): "
  27         << boost::polygon::area(b) << std::endl;
  28
  29     return 0;
  30 }
  31
  32 //]
  33
  34 //[boost_polygon_box_output
  35 /*`
  36 Output:
  37 [pre
  38 Area (using Boost.Geometry): 4
  39 Area (using Boost.Polygon): 4
  40 ]
  41 */
  42 //]