Opentk/Source/OpenTK/IconConverter.cs
the_fiddler ea1765ec75 Added experimental Icon and IconConverter implementations from Mono.
Modified INativeWindow implementations to not qualify Icon class fully, so we can change the implementation between System.Drawing and OpenTK at will (using the EXPERIMENTAL #define).
2009-11-02 09:33:53 +00:00

94 lines
3.3 KiB
C#

//
// System.Drawing.IconConverter.cs
//
// Authors:
// Dennis Hayes (dennish@Raytek.com)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
// Sanjay Gupta (gsanjay@novell.com)
//
// (C) 2002 Ximian, Inc
//
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.ComponentModel;
using System.Globalization;
using System.IO;
namespace OpenTK
{
#if EXPERIMENTAL
/// <summary>
/// Summary description for IconConverter.
/// </summary>
public class IconConverter : ExpandableObjectConverter
{
public IconConverter()
{
}
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
{
if (sourceType == typeof(System.Byte[]))
return true;
else
return false;
}
public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
{
if ((destinationType == typeof(System.Byte[])) || (destinationType == typeof(System.String)))
return true;
else
return false;
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
byte[] bytes = value as byte[];
if (bytes == null)
return base.ConvertFrom(context, culture, value);
MemoryStream ms = new MemoryStream(bytes);
return new Icon(ms);
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if ((value is Icon) && (destinationType == typeof(string)))
return value.ToString(); else if (value == null && destinationType == typeof(string))
return "(none)"; else if (CanConvertTo(null, destinationType))
{
//came here means destType is byte array ;
MemoryStream ms = new MemoryStream();
((Icon)value).Save(ms);
return ms.GetBuffer();
} else
return new NotSupportedException("IconConverter can not convert from " + value.GetType());
}
}
#endif
}