point_without_coordinate_type.cpp 1.5 KB

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  1. // Boost.Geometry (aka GGL, Generic Geometry Library)
  2. // Unit Test
  3. // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
  4. // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
  5. // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
  6. // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  7. // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  8. // Use, modification and distribution is subject to the Boost Software License,
  9. // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  10. // http://www.boost.org/LICENSE_1_0.txt)
  11. #include "function_requiring_a_point.hpp"
  12. #include <boost/geometry/core/cs.hpp>
  13. struct point
  14. {
  15. point() : x(0), y(0) {} // initialize to suppress warnings
  16. float x, y;
  17. };
  18. namespace boost { namespace geometry { namespace traits {
  19. template <> struct tag<point> { typedef point_tag type; };
  20. //template <> struct coordinate_type<point> { typedef float type; };
  21. template <> struct coordinate_system<point> { typedef bg::cs::cartesian type; };
  22. template <> struct dimension<point> { enum { value = 2 }; };
  23. template <> struct access<point, 0>
  24. {
  25. static float get(point const& p) { return p.x; }
  26. static void set(point& p, float value) { p.x = value; }
  27. };
  28. template <> struct access<point, 1>
  29. {
  30. static float get(point const& p) { return p.y; }
  31. static void set(point& p, float value) { p.y = value; }
  32. };
  33. }}} // namespace bg::traits
  34. int main()
  35. {
  36. point p1;
  37. const point p2;
  38. test::function_requiring_a_point(p1, p2);
  39. return 0;
  40. }