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| Rev | Author | Line No. | Line |
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| 2287 | - | 1 | |
| 2 | namespace GMap.NET |
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| 3 | { |
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| 4 | using System; |
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| 5 | using System.Globalization; |
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| 6 | |||
| 7 | /// <summary> |
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| 8 | /// the point of coordinates |
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| 9 | /// </summary> |
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| 10 | [Serializable] |
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| 11 | public struct PointLatLng |
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| 12 | { |
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| 13 | public static readonly PointLatLng Empty = new PointLatLng(); |
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| 14 | private double lat; |
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| 15 | private double lng; |
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| 16 | |||
| 17 | bool NotEmpty; |
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| 18 | |||
| 19 | public PointLatLng(double lat, double lng) |
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| 20 | { |
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| 21 | this.lat = lat; |
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| 22 | this.lng = lng; |
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| 23 | NotEmpty = true; |
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| 24 | } |
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| 25 | |||
| 26 | /// <summary> |
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| 27 | /// returns true if coordinates wasn't assigned |
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| 28 | /// </summary> |
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| 29 | public bool IsEmpty |
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| 30 | { |
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| 31 | get |
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| 32 | { |
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| 33 | return !NotEmpty; |
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| 34 | } |
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| 35 | } |
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| 36 | |||
| 37 | public double Lat |
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| 38 | { |
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| 39 | get |
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| 40 | { |
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| 41 | return this.lat; |
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| 42 | } |
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| 43 | set |
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| 44 | { |
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| 45 | this.lat = value; |
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| 46 | NotEmpty = true; |
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| 47 | } |
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| 48 | } |
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| 49 | |||
| 50 | public double Lng |
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| 51 | { |
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| 52 | get |
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| 53 | { |
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| 54 | return this.lng; |
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| 55 | } |
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| 56 | set |
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| 57 | { |
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| 58 | this.lng = value; |
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| 59 | NotEmpty = true; |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | public static PointLatLng operator +(PointLatLng pt, SizeLatLng sz) |
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| 64 | { |
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| 65 | return Add(pt, sz); |
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| 66 | } |
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| 67 | |||
| 68 | public static PointLatLng operator -(PointLatLng pt, SizeLatLng sz) |
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| 69 | { |
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| 70 | return Subtract(pt, sz); |
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| 71 | } |
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| 72 | |||
| 73 | public static SizeLatLng operator -(PointLatLng pt1, PointLatLng pt2) |
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| 74 | { |
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| 75 | return new SizeLatLng(pt1.Lat - pt2.Lat, pt2.Lng - pt1.Lng); |
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| 76 | } |
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| 77 | |||
| 78 | public static bool operator ==(PointLatLng left, PointLatLng right) |
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| 79 | { |
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| 80 | return ((left.Lng == right.Lng) && (left.Lat == right.Lat)); |
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| 81 | } |
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| 82 | |||
| 83 | public static bool operator !=(PointLatLng left, PointLatLng right) |
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| 84 | { |
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| 85 | return !(left == right); |
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| 86 | } |
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| 87 | |||
| 88 | public static PointLatLng Add(PointLatLng pt, SizeLatLng sz) |
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| 89 | { |
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| 90 | return new PointLatLng(pt.Lat - sz.HeightLat, pt.Lng + sz.WidthLng); |
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| 91 | } |
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| 92 | |||
| 93 | public static PointLatLng Subtract(PointLatLng pt, SizeLatLng sz) |
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| 94 | { |
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| 95 | return new PointLatLng(pt.Lat + sz.HeightLat, pt.Lng - sz.WidthLng); |
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| 96 | } |
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| 97 | |||
| 98 | public override bool Equals(object obj) |
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| 99 | { |
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| 100 | if(!(obj is PointLatLng)) |
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| 101 | { |
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| 102 | return false; |
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| 103 | } |
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| 104 | PointLatLng tf = (PointLatLng)obj; |
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| 105 | return (((tf.Lng == this.Lng) && (tf.Lat == this.Lat)) && tf.GetType().Equals(base.GetType())); |
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| 106 | } |
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| 107 | |||
| 108 | public void Offset(PointLatLng pos) |
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| 109 | { |
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| 110 | this.Offset(pos.Lat, pos.Lng); |
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| 111 | } |
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| 112 | |||
| 113 | public void Offset(double lat, double lng) |
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| 114 | { |
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| 115 | this.Lng += lng; |
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| 116 | this.Lat -= lat; |
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| 117 | } |
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| 118 | |||
| 119 | public override int GetHashCode() |
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| 120 | { |
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| 121 | return (this.Lng.GetHashCode() ^ this.Lat.GetHashCode()); |
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| 122 | } |
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| 123 | |||
| 124 | public override string ToString() |
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| 125 | { |
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| 126 | return string.Format(CultureInfo.CurrentCulture, "{{Lat={0}, Lng={1}}}", this.Lat, this.Lng); |
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| 127 | } |
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| 128 | } |
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| 129 | } |