Rename PathElements to PathData

as it can now consists of elements or events.

api/sixtyfps-cpp/include/sixtyfps_pathdata.h

@@ -0,0 +1,56 @@
+#pragma once
+#include <initializer_list>
+#include <string_view>
+#include "sixtyfps_pathdata_internal.h"
+
+namespace sixtyfps {
+
+using internal::types::PathArcTo;
+using internal::types::PathElement;
+using internal::types::PathEvent;
+using internal::types::PathLineTo;
+using internal::types::Point;
+
+struct PathData
+{
+public:
+    using Tag = internal::types::PathData::Tag;
+
+    PathData() : data(Data::None()) { }
+    PathData(const PathElement *firstElement, size_t count)
+        : data(Data::SharedElements(elements_from_array(firstElement, count)))
+    {
+    }
+
+    PathData(const PathEvent *firstEvent, size_t event_count, const Point *firstCoordinate,
+             size_t coordinate_count)
+        : data(events_from_array(firstEvent, event_count, firstCoordinate, coordinate_count))
+    {
+    }
+
+private:
+    static SharedArray<PathElement> elements_from_array(const PathElement *firstElement,
+                                                        size_t count)
+    {
+        SharedArray<PathElement> tmp;
+        sixtyfps_new_path_elements(&tmp, firstElement, count);
+        return tmp;
+    }
+
+    static internal::types::PathData events_from_array(const PathEvent *firstEvent,
+                                                       size_t event_count,
+                                                       const Point *firstCoordinate,
+                                                       size_t coordinate_count)
+    {
+        SharedArray<PathEvent> events;
+        SharedArray<Point> coordinates;
+        sixtyfps_new_path_events(&events, &coordinates, firstEvent, event_count, firstCoordinate,
+                                 coordinate_count);
+        return Data::PathEvents(events, coordinates);
+    }
+
+    using Data = internal::types::PathData;
+    Data data;
+};
+
+}