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authorwanglu <wang_lu@dl.cn.nexty-ele.com>2019-03-25 09:42:49 +0800
committerwanglu <wang_lu@dl.cn.nexty-ele.com>2019-03-25 09:52:02 +0800
commit4a8b7a6301e4b093c99329d0a16fbee6c535f312 (patch)
treefe9f589e1723e8f173b50dfa617374042f4cf7a7 /include/mapbox/geometry/geometry.hpp
parentfb539bbd9f7b36d26cd56fe09b804e18b3b3d984 (diff)
Change-Id: I0866a7d9ffa347c0935b4d00259ad1a74cd00d6e Signed-off-by: wanglu <wang_lu@dl.cn.nexty-ele.com>
Diffstat (limited to 'include/mapbox/geometry/geometry.hpp')
-rw-r--r--include/mapbox/geometry/geometry.hpp53
1 files changed, 53 insertions, 0 deletions
diff --git a/include/mapbox/geometry/geometry.hpp b/include/mapbox/geometry/geometry.hpp
new file mode 100644
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+++ b/include/mapbox/geometry/geometry.hpp
@@ -0,0 +1,53 @@
+#pragma once
+
+#include <mapbox/geometry/point.hpp>
+#include <mapbox/geometry/line_string.hpp>
+#include <mapbox/geometry/polygon.hpp>
+#include <mapbox/geometry/multi_point.hpp>
+#include <mapbox/geometry/multi_line_string.hpp>
+#include <mapbox/geometry/multi_polygon.hpp>
+
+#include <mapbox/variant.hpp>
+
+// stl
+#include <vector>
+
+namespace mapbox {
+namespace geometry {
+
+template <typename T, template <typename...> class Cont = std::vector>
+struct geometry_collection;
+
+template <typename T>
+using geometry_base = mapbox::util::variant<point<T>,
+ line_string<T>,
+ polygon<T>,
+ multi_point<T>,
+ multi_line_string<T>,
+ multi_polygon<T>,
+ geometry_collection<T>>;
+
+template <typename T>
+struct geometry : geometry_base<T>
+{
+ using coordinate_type = T;
+ using geometry_base<T>::geometry_base;
+
+ /*
+ * The default constructor would create a point geometry with default-constructed coordinates;
+ * i.e. (0, 0). Since this is not particularly useful, and could hide bugs, it is disabled.
+ */
+ geometry() = delete;
+};
+
+template <typename T, template <typename...> class Cont>
+struct geometry_collection : Cont<geometry<T>>
+{
+ using coordinate_type = T;
+ using geometry_type = geometry<T>;
+ using container_type = Cont<geometry_type>;
+ using container_type::container_type;
+};
+
+} // namespace geometry
+} // namespace mapbox