cartesian.hpp 4.5 KB

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  1. // Boost.Geometry
  2. // Copyright (c) 2020, Oracle and/or its affiliates.
  3. // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  4. // Licensed under the Boost Software License version 1.0.
  5. // http://www.boost.org/users/license.html
  6. #ifndef BOOST_GEOMETRY_STRATEGIES_ENVELOPE_CARTESIAN_HPP
  7. #define BOOST_GEOMETRY_STRATEGIES_ENVELOPE_CARTESIAN_HPP
  8. #include <type_traits>
  9. #include <boost/geometry/strategy/cartesian/envelope.hpp> // Not used, for backward compatibility
  10. #include <boost/geometry/strategy/cartesian/envelope_box.hpp>
  11. #include <boost/geometry/strategy/cartesian/envelope_boxes.hpp>
  12. #include <boost/geometry/strategy/cartesian/envelope_multipoint.hpp>
  13. #include <boost/geometry/strategy/cartesian/envelope_point.hpp>
  14. #include <boost/geometry/strategy/cartesian/envelope_range.hpp>
  15. #include <boost/geometry/strategy/cartesian/envelope_segment.hpp>
  16. #include <boost/geometry/strategies/envelope/services.hpp>
  17. #include <boost/geometry/strategies/expand/cartesian.hpp>
  18. namespace boost { namespace geometry
  19. {
  20. namespace strategies { namespace envelope
  21. {
  22. template <typename CalculationType = void>
  23. struct cartesian
  24. : strategies::expand::cartesian<CalculationType>
  25. {
  26. template <typename Geometry, typename Box>
  27. static auto envelope(Geometry const&, Box const&,
  28. util::enable_if_point_t<Geometry> * = nullptr)
  29. {
  30. return strategy::envelope::cartesian_point();
  31. }
  32. template <typename Geometry, typename Box>
  33. static auto envelope(Geometry const&, Box const&,
  34. util::enable_if_multi_point_t<Geometry> * = nullptr)
  35. {
  36. return strategy::envelope::cartesian_multipoint();
  37. }
  38. template <typename Geometry, typename Box>
  39. static auto envelope(Geometry const&, Box const&,
  40. util::enable_if_box_t<Geometry> * = nullptr)
  41. {
  42. return strategy::envelope::cartesian_box();
  43. }
  44. template <typename Geometry, typename Box>
  45. static auto envelope(Geometry const&, Box const&,
  46. util::enable_if_segment_t<Geometry> * = nullptr)
  47. {
  48. return strategy::envelope::cartesian_segment<CalculationType>();
  49. }
  50. template <typename Geometry, typename Box>
  51. static auto envelope(Geometry const&, Box const&,
  52. std::enable_if_t
  53. <
  54. util::is_linestring<Geometry>::value
  55. || util::is_ring<Geometry>::value
  56. || util::is_polygon<Geometry>::value
  57. > * = nullptr)
  58. {
  59. return strategy::envelope::cartesian_range();
  60. }
  61. template <typename Geometry, typename Box>
  62. static auto envelope(Geometry const&, Box const&,
  63. std::enable_if_t
  64. <
  65. util::is_multi_linestring<Geometry>::value
  66. || util::is_multi_polygon<Geometry>::value
  67. || util::is_geometry_collection<Geometry>::value
  68. > * = nullptr)
  69. {
  70. return strategy::envelope::cartesian_boxes();
  71. }
  72. };
  73. namespace services
  74. {
  75. template <typename Geometry, typename Box>
  76. struct default_strategy<Geometry, Box, cartesian_tag>
  77. {
  78. using type = strategies::envelope::cartesian<>;
  79. };
  80. template <>
  81. struct strategy_converter<strategy::envelope::cartesian_point>
  82. {
  83. static auto get(strategy::envelope::cartesian_point const& )
  84. {
  85. return strategies::envelope::cartesian<>();
  86. }
  87. };
  88. template <>
  89. struct strategy_converter<strategy::envelope::cartesian_multipoint>
  90. {
  91. static auto get(strategy::envelope::cartesian_multipoint const&)
  92. {
  93. return strategies::envelope::cartesian<>();
  94. }
  95. };
  96. template <>
  97. struct strategy_converter<strategy::envelope::cartesian_box>
  98. {
  99. static auto get(strategy::envelope::cartesian_box const& )
  100. {
  101. return strategies::envelope::cartesian<>();
  102. }
  103. };
  104. template <typename CT>
  105. struct strategy_converter<strategy::envelope::cartesian_segment<CT> >
  106. {
  107. static auto get(strategy::envelope::cartesian_segment<CT> const&)
  108. {
  109. return strategies::envelope::cartesian<CT>();
  110. }
  111. };
  112. template <typename CT>
  113. struct strategy_converter<strategy::envelope::cartesian<CT> >
  114. {
  115. static auto get(strategy::envelope::cartesian<CT> const&)
  116. {
  117. return strategies::envelope::cartesian<CT>();
  118. }
  119. };
  120. } // namespace services
  121. }} // namespace strategies::envelope
  122. }} // namespace boost::geometry
  123. #endif // BOOST_GEOMETRY_STRATEGIES_ENVELOPE_CARTESIAN_HPP