2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.Collections.Generic;
21 using Color = ElmSharp.Color;
26 /// Polygon map object
28 public class Polygon : MapObject, IDisposable
30 internal Interop.PolygonHandle handle;
31 private List<Geocoordinates> _coordinateList;
34 /// Creates a polygon visual object.
36 /// <param name="coordinates">List of geographical coordinates</param>
37 /// <param name="color">Background color</param>
38 /// <exception cref="ArgumentException">Thrown when input values are invalid.</exception>
39 public Polygon(IEnumerable<Geocoordinates> coordinates, Color color) : base()
41 var err = Interop.ErrorCode.InvalidParameter;
42 if (coordinates == null || coordinates.Count() < 3)
44 err.ThrowIfFailed("given coordinates list should contain at least 3 coordinates");
46 _coordinateList = coordinates.ToList();
47 var geocoordinateList = new GeocoordinatesList(_coordinateList, false);
48 handle = new Interop.PolygonHandle(geocoordinateList.handle, color);
52 /// Adds or removes clicked event handlers.
54 public event EventHandler Clicked;
57 /// Gets or sets visibility for the polygon.
59 public override bool IsVisible
61 get { return handle.IsVisible; }
62 set { handle.IsVisible = value; }
66 /// Gets or sets a list of geographical coordinates of polygon vertices.
68 public IEnumerable<Geocoordinates> Coordinates
72 return _coordinateList;
76 var coordinates = value.ToList();
77 var err = Interop.ErrorCode.InvalidParameter;
78 if (coordinates == null || coordinates.Count() < 3)
80 err.ThrowIfFailed("given coordinates list should contain at least 3 coordinates");
83 var geocoordinateList = new GeocoordinatesList(coordinates, false);
84 if (handle.SetPolygon(geocoordinateList.handle).IsSuccess())
86 _coordinateList = coordinates;
92 /// Gets or sets background color to fill the polygon.
94 public Color FillColor
98 return handle.FillColor;
102 handle.FillColor = value;
106 internal override void HandleClickedEvent()
108 Clicked?.Invoke(this, EventArgs.Empty);
111 internal override void InvalidateMapObject()
116 internal override Interop.ViewObjectHandle GetHandle()
121 #region IDisposable Support
122 private bool _disposedValue = false;
124 protected virtual void Dispose(bool disposing)
130 _coordinateList.Clear();
133 _disposedValue = true;
138 /// Releases all resources used by this object.
140 public void Dispose()
143 GC.SuppressFinalize(this);