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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 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 rect |
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| 9 | /// </summary> |
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| 10 | public struct GRect |
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| 11 | { |
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| 12 | public static readonly GRect Empty = new GRect(); |
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| 13 | |||
| 14 | private long x; |
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| 15 | private long y; |
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| 16 | private long width; |
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| 17 | private long height; |
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| 18 | |||
| 19 | public GRect(long x, long y, long width, long height) |
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| 20 | { |
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| 21 | this.x = x; |
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| 22 | this.y = y; |
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| 23 | this.width = width; |
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| 24 | this.height = height; |
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| 25 | } |
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| 26 | |||
| 27 | public GRect(GPoint location, GSize size) |
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| 28 | { |
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| 29 | this.x = location.X; |
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| 30 | this.y = location.Y; |
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| 31 | this.width = size.Width; |
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| 32 | this.height = size.Height; |
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| 33 | } |
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| 34 | |||
| 35 | public static GRect FromLTRB(int left, int top, int right, int bottom) |
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| 36 | { |
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| 37 | return new GRect(left, |
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| 38 | top, |
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| 39 | right - left, |
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| 40 | bottom - top); |
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| 41 | } |
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| 42 | |||
| 43 | public GPoint Location |
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| 44 | { |
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| 45 | get |
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| 46 | { |
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| 47 | return new GPoint(X, Y); |
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| 48 | } |
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| 49 | set |
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| 50 | { |
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| 51 | X = value.X; |
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| 52 | Y = value.Y; |
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| 53 | } |
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| 54 | } |
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| 55 | |||
| 56 | public GPoint RightBottom |
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| 57 | { |
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| 58 | get |
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| 59 | { |
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| 60 | return new GPoint(Right, Bottom); |
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| 61 | } |
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| 62 | } |
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| 63 | |||
| 64 | public GPoint RightTop |
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| 65 | { |
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| 66 | get |
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| 67 | { |
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| 68 | return new GPoint(Right, Top); |
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| 69 | } |
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| 70 | } |
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| 71 | |||
| 72 | public GPoint LeftBottom |
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| 73 | { |
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| 74 | get |
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| 75 | { |
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| 76 | return new GPoint(Left, Bottom); |
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| 77 | } |
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| 78 | } |
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| 79 | |||
| 80 | public GSize Size |
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| 81 | { |
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| 82 | get |
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| 83 | { |
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| 84 | return new GSize(Width, Height); |
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| 85 | } |
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| 86 | set |
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| 87 | { |
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| 88 | this.Width = value.Width; |
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| 89 | this.Height = value.Height; |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | public long X |
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| 94 | { |
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| 95 | get |
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| 96 | { |
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| 97 | return x; |
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| 98 | } |
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| 99 | set |
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| 100 | { |
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| 101 | x = value; |
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| 102 | } |
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| 103 | } |
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| 104 | |||
| 105 | public long Y |
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| 106 | { |
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| 107 | get |
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| 108 | { |
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| 109 | return y; |
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| 110 | } |
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| 111 | set |
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| 112 | { |
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| 113 | y = value; |
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| 114 | } |
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| 115 | } |
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| 116 | |||
| 117 | public long Width |
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| 118 | { |
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| 119 | get |
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| 120 | { |
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| 121 | return width; |
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| 122 | } |
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| 123 | set |
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| 124 | { |
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| 125 | width = value; |
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| 126 | } |
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| 127 | } |
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| 128 | |||
| 129 | public long Height |
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| 130 | { |
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| 131 | get |
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| 132 | { |
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| 133 | return height; |
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| 134 | } |
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| 135 | set |
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| 136 | { |
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| 137 | height = value; |
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| 138 | } |
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| 139 | } |
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| 140 | |||
| 141 | public long Left |
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| 142 | { |
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| 143 | get |
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| 144 | { |
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| 145 | return X; |
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| 146 | } |
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| 147 | } |
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| 148 | |||
| 149 | public long Top |
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| 150 | { |
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| 151 | get |
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| 152 | { |
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| 153 | return Y; |
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| 154 | } |
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| 155 | } |
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| 156 | |||
| 157 | public long Right |
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| 158 | { |
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| 159 | get |
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| 160 | { |
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| 161 | return X + Width; |
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| 162 | } |
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| 163 | } |
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| 164 | |||
| 165 | public long Bottom |
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| 166 | { |
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| 167 | get |
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| 168 | { |
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| 169 | return Y + Height; |
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| 170 | } |
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| 171 | } |
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| 172 | |||
| 173 | public bool IsEmpty |
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| 174 | { |
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| 175 | get |
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| 176 | { |
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| 177 | return height == 0 && width == 0 && x == 0 && y == 0; |
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| 178 | } |
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| 179 | } |
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| 180 | |||
| 181 | public override bool Equals(object obj) |
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| 182 | { |
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| 183 | if(!(obj is GRect)) |
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| 184 | return false; |
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| 185 | |||
| 186 | GRect comp = (GRect) obj; |
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| 187 | |||
| 188 | return (comp.X == this.X) && |
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| 189 | (comp.Y == this.Y) && |
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| 190 | (comp.Width == this.Width) && |
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| 191 | (comp.Height == this.Height); |
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| 192 | } |
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| 193 | |||
| 194 | public static bool operator==(GRect left, GRect right) |
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| 195 | { |
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| 196 | return (left.X == right.X |
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| 197 | && left.Y == right.Y |
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| 198 | && left.Width == right.Width |
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| 199 | && left.Height == right.Height); |
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| 200 | } |
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| 201 | |||
| 202 | public static bool operator!=(GRect left, GRect right) |
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| 203 | { |
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| 204 | return !(left == right); |
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| 205 | } |
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| 206 | |||
| 207 | public bool Contains(long x, long y) |
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| 208 | { |
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| 209 | return this.X <= x && |
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| 210 | x < this.X + this.Width && |
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| 211 | this.Y <= y && |
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| 212 | y < this.Y + this.Height; |
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| 213 | } |
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| 214 | |||
| 215 | public bool Contains(GPoint pt) |
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| 216 | { |
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| 217 | return Contains(pt.X, pt.Y); |
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| 218 | } |
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| 219 | |||
| 220 | public bool Contains(GRect rect) |
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| 221 | { |
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| 222 | return (this.X <= rect.X) && |
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| 223 | ((rect.X + rect.Width) <= (this.X + this.Width)) && |
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| 224 | (this.Y <= rect.Y) && |
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| 225 | ((rect.Y + rect.Height) <= (this.Y + this.Height)); |
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| 226 | } |
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| 227 | |||
| 228 | public override int GetHashCode() |
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| 229 | { |
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| 230 | if(this.IsEmpty) |
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| 231 | { |
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| 232 | return 0; |
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| 233 | } |
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| 234 | return (int)(((this.X ^ ((this.Y << 13) | (this.Y >> 0x13))) ^ ((this.Width << 0x1a) | (this.Width >> 6))) ^ ((this.Height << 7) | (this.Height >> 0x19))); |
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| 235 | } |
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| 236 | |||
| 237 | public void Inflate(long width, long height) |
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| 238 | { |
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| 239 | this.X -= width; |
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| 240 | this.Y -= height; |
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| 241 | this.Width += 2*width; |
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| 242 | this.Height += 2*height; |
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| 243 | } |
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| 244 | |||
| 245 | public void Inflate(GSize size) |
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| 246 | { |
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| 247 | Inflate(size.Width, size.Height); |
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| 248 | } |
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| 249 | |||
| 250 | public static GRect Inflate(GRect rect, long x, long y) |
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| 251 | { |
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| 252 | GRect r = rect; |
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| 253 | r.Inflate(x, y); |
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| 254 | return r; |
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| 255 | } |
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| 256 | |||
| 257 | public void Intersect(GRect rect) |
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| 258 | { |
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| 259 | GRect result = GRect.Intersect(rect, this); |
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| 260 | |||
| 261 | this.X = result.X; |
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| 262 | this.Y = result.Y; |
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| 263 | this.Width = result.Width; |
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| 264 | this.Height = result.Height; |
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| 265 | } |
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| 266 | |||
| 267 | public static GRect Intersect(GRect a, GRect b) |
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| 268 | { |
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| 269 | long x1 = Math.Max(a.X, b.X); |
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| 270 | long x2 = Math.Min(a.X + a.Width, b.X + b.Width); |
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| 271 | long y1 = Math.Max(a.Y, b.Y); |
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| 272 | long y2 = Math.Min(a.Y + a.Height, b.Y + b.Height); |
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| 273 | |||
| 274 | if(x2 >= x1 |
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| 275 | && y2 >= y1) |
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| 276 | { |
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| 277 | |||
| 278 | return new GRect(x1, y1, x2 - x1, y2 - y1); |
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| 279 | } |
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| 280 | return GRect.Empty; |
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| 281 | } |
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| 282 | |||
| 283 | public bool IntersectsWith(GRect rect) |
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| 284 | { |
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| 285 | return (rect.X < this.X + this.Width) && |
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| 286 | (this.X < (rect.X + rect.Width)) && |
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| 287 | (rect.Y < this.Y + this.Height) && |
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| 288 | (this.Y < rect.Y + rect.Height); |
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| 289 | } |
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| 290 | |||
| 291 | public static GRect Union(GRect a, GRect b) |
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| 292 | { |
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| 293 | long x1 = Math.Min(a.X, b.X); |
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| 294 | long x2 = Math.Max(a.X + a.Width, b.X + b.Width); |
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| 295 | long y1 = Math.Min(a.Y, b.Y); |
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| 296 | long y2 = Math.Max(a.Y + a.Height, b.Y + b.Height); |
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| 297 | |||
| 298 | return new GRect(x1, y1, x2 - x1, y2 - y1); |
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| 299 | } |
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| 300 | |||
| 301 | public void Offset(GPoint pos) |
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| 302 | { |
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| 303 | Offset(pos.X, pos.Y); |
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| 304 | } |
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| 305 | |||
| 306 | public void OffsetNegative(GPoint pos) |
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| 307 | { |
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| 308 | Offset(-pos.X, -pos.Y); |
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| 309 | } |
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| 310 | |||
| 311 | public void Offset(long x, long y) |
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| 312 | { |
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| 313 | this.X += x; |
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| 314 | this.Y += y; |
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| 315 | } |
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| 316 | |||
| 317 | public override string ToString() |
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| 318 | { |
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| 319 | return "{X=" + X.ToString(CultureInfo.CurrentCulture) + ",Y=" + Y.ToString(CultureInfo.CurrentCulture) + |
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| 320 | ",Width=" + Width.ToString(CultureInfo.CurrentCulture) + |
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| 321 | ",Height=" + Height.ToString(CultureInfo.CurrentCulture) + "}"; |
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| 322 | } |
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| 323 | } |
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| 324 | } |