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Viewing changes to external/xwt/Xwt/Xwt/Size.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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external/xwt/Xwt/Xwt/Size.cs
 
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// 
 
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// Size.cs
 
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//  
 
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// Author:
 
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//       Lluis Sanchez <lluis@xamarin.com>
 
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// 
 
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// Copyright (c) 2011 Xamarin Inc
 
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// 
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to deal
 
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// in the Software without restriction, including without limitation the rights
 
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 
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// copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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// 
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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// 
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 
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// THE SOFTWARE.
 
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using System;
 
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using System.ComponentModel;
 
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using System.Windows.Markup;
 
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using System.Globalization;
 
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namespace Xwt {
 
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        [TypeConverter (typeof(SizeValueConverter))]
 
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        [ValueSerializer (typeof(SizeValueSerializer))]
 
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        [Serializable]
 
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        public struct Size
 
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        {               
 
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                double width, height;
 
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                public static readonly Size Zero;
 
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                public Size (double width, double height)
 
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                {
 
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                        this.width = width;
 
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                        this.height = height;
 
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                }
 
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                public bool IsZero {
 
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                        get {
 
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                                return ((width == 0) && (height == 0));
 
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                        }
 
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                }
 
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                [DefaultValue (0d)]
 
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                public double Width {
 
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                        get {
 
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                                return width;
 
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                        }
 
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                        set {
 
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                                width = value;
 
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                        }
 
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                }
 
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                [DefaultValue (0d)]
 
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                public double Height {
 
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                        get {
 
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                                return height;
 
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                        }
 
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                        set {
 
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                                height = value;
 
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                        }
 
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                }
 
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                public static Size operator + (Size s1, Size s2)
 
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                {
 
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                        return new Size (s1.width + s2.width, s1.height + s2.height);
 
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                }
 
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                public static Size operator - (Size s1, Size s2)
 
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                {
 
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                        return new Size (s1.width - s2.width, s1.height - s2.height);
 
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                }
 
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                public static bool operator == (Size s1, Size s2)
 
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                {
 
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                        return (s1.width == s2.width) && (s1.height == s2.height);
 
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                }
 
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                public static bool operator != (Size s1, Size s2)
 
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                {
 
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                        return (s1.width != s2.width) || (s1.height != s2.height);
 
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                }
 
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                public static explicit operator Point(Size size) 
 
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                {
 
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                        return new Point (size.Width, size.Height);
 
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                }
 
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                public override bool Equals (object ob)
 
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                {
 
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                        return (ob is Size) && this == (Size)ob;
 
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                }
 
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                public override int GetHashCode ()
 
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                {
 
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                        return width.GetHashCode () ^ height.GetHashCode ();
 
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                }
 
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                public override string ToString ()
 
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                {
 
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                        return String.Format ("{{Width={0} Height={1}}}", width.ToString (CultureInfo.InvariantCulture), height.ToString (CultureInfo.InvariantCulture));
 
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                }
 
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        }
 
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        class SizeValueConverter: TypeConverter
 
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        {
 
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                public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
 
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                {
 
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                        return destinationType == typeof(string);
 
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                }
 
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                public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
 
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                {
 
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                        return sourceType == typeof(string);
 
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                }
 
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        }
 
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        class SizeValueSerializer: ValueSerializer
 
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        {
 
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                public override bool CanConvertFromString (string value, IValueSerializerContext context)
 
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                {
 
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                        return true;
 
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                }
 
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                public override bool CanConvertToString (object value, IValueSerializerContext context)
 
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                {
 
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                        return true;
 
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                }
 
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                public override string ConvertToString (object value, IValueSerializerContext context)
 
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                {
 
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                        Size s = (Size) value;
 
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                        return s.Width.ToString () + "," + s.Height.ToString ();
 
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                }
 
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                public override object ConvertFromString (string value, IValueSerializerContext context)
 
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                {
 
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                        int i = value.IndexOf (',');
 
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                        if (i == -1)
 
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                                return Size.Zero;
 
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                        double w, h;
 
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                        if (!double.TryParse (value.Substring (0, i), out w))
 
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                                return Size.Zero;
 
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                        if (!double.TryParse (value.Substring (i+1), out h))
 
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                                return Size.Zero;
 
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                        return new Size (w, h);
 
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                }
 
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        }
 
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}