1 //
2 // Size.cs
3 //
4 // Author:
5 //       Lluis Sanchez <lluis@xamarin.com>
6 //
7 // Copyright (c) 2011 Xamarin Inc
8 //
9 // Permission is hereby granted, free of charge, to any person obtaining a copy
10 // of this software and associated documentation files (the "Software"), to deal
11 // in the Software without restriction, including without limitation the rights
12 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 // copies of the Software, and to permit persons to whom the Software is
14 // furnished to do so, subject to the following conditions:
15 //
16 // The above copyright notice and this permission notice shall be included in
17 // all copies or substantial portions of the Software.
18 //
19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 // THE SOFTWARE.
26 
27 using System;
28 using System.ComponentModel;
29 using System.Globalization;
30 
31 namespace Xwt {
32 
33 	struct Size
34 	{
35 		double width, height;
36 
37 		public static readonly Size Zero = new Size (0d, 0d);
38 
SizeXwt.Size39 		public Size (double width, double height)
40 		{
41 			this.width = width;
42 			this.height = height;
43 		}
44 
45 		public bool IsZero {
46 			get {
47 				return ((width == 0) && (height == 0));
48 			}
49 		}
50 
51 		[DefaultValue (0d)]
52 		public double Width {
53 			get {
54 				return width;
55 			}
56 			set {
57 				width = value;
58 			}
59 		}
60 
61 		[DefaultValue (0d)]
62 		public double Height {
63 			get {
64 				return height;
65 			}
66 			set {
67 				height = value;
68 			}
69 		}
70 
operator +Xwt.Size71 		public static Size operator + (Size s1, Size s2)
72 		{
73 			return new Size (s1.width + s2.width, s1.height + s2.height);
74 		}
75 
operator -Xwt.Size76 		public static Size operator - (Size s1, Size s2)
77 		{
78 			return new Size (s1.width - s2.width, s1.height - s2.height);
79 		}
80 
operator ==Xwt.Size81 		public static bool operator == (Size s1, Size s2)
82 		{
83 			return (s1.width == s2.width) && (s1.height == s2.height);
84 		}
85 
operator !=Xwt.Size86 		public static bool operator != (Size s1, Size s2)
87 		{
88 			return (s1.width != s2.width) || (s1.height != s2.height);
89 		}
90 
operator PointXwt.Size91         public static explicit operator Point (Size size)
92         {
93             return new Point (size.Width, size.Height);
94         }
95 
96         //public static explicit operator Distance (Size size)
97         //{
98         //    return new Distance (size.Width, size.Height);
99         //}
100 
EqualsXwt.Size101 		public override bool Equals (object ob)
102 		{
103 			return (ob is Size) && this == (Size)ob;
104 		}
105 
GetHashCodeXwt.Size106 		public override int GetHashCode ()
107 		{
108 			unchecked {
109 				return (width.GetHashCode () * 397) ^ height.GetHashCode ();
110 			}
111 		}
112 
ToStringXwt.Size113 		public override string ToString ()
114 		{
115 			return String.Format ("{{Width={0} Height={1}}}", width.ToString (CultureInfo.InvariantCulture), height.ToString (CultureInfo.InvariantCulture));
116 		}
117 	}
118 }
119