You've already forked linux-packaging-mono
190 lines
6.9 KiB
C#
190 lines
6.9 KiB
C#
//
|
|
// System.Drawing.ImageFormatConverter.cs
|
|
//
|
|
// Author:
|
|
// Dennis Hayes (dennish@Raytek.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.Drawing.Imaging;
|
|
using System.ComponentModel.Design.Serialization;
|
|
using System.Reflection;
|
|
|
|
namespace System.Drawing
|
|
{
|
|
/// <summary>
|
|
/// Summary description for ImageFormatConverter.
|
|
/// </summary>
|
|
public class ImageFormatConverter : TypeConverter
|
|
{
|
|
public ImageFormatConverter ()
|
|
{
|
|
}
|
|
|
|
public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
|
|
{
|
|
if (sourceType == typeof (string))
|
|
return true;
|
|
|
|
return base.CanConvertFrom (context, sourceType);
|
|
}
|
|
|
|
public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
|
|
{
|
|
if (destinationType == typeof (string))
|
|
return true;
|
|
|
|
if (destinationType == typeof (InstanceDescriptor))
|
|
return true;
|
|
|
|
return base.CanConvertTo (context, destinationType);
|
|
}
|
|
|
|
public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
|
|
{
|
|
// we must be able to convert from short names and long names
|
|
string strFormat = (value as string);
|
|
if (strFormat == null) {
|
|
// case #1, this is not a string
|
|
return base.ConvertFrom (context, culture, value);
|
|
} else if (strFormat [0] == '[') {
|
|
// case #2, this is probably a long format (guid)
|
|
if (strFormat.Equals (ImageFormat.Bmp.ToString ()))
|
|
return ImageFormat.Bmp;
|
|
else if (strFormat.Equals (ImageFormat.Emf.ToString ()))
|
|
return ImageFormat.Emf;
|
|
else if (strFormat.Equals (ImageFormat.Exif.ToString ()))
|
|
return ImageFormat.Exif;
|
|
else if (strFormat.Equals (ImageFormat.Gif.ToString ()))
|
|
return ImageFormat.Gif;
|
|
else if (strFormat.Equals (ImageFormat.Icon.ToString ()))
|
|
return ImageFormat.Icon;
|
|
else if (strFormat.Equals (ImageFormat.Jpeg.ToString ()))
|
|
return ImageFormat.Jpeg;
|
|
else if (strFormat.Equals (ImageFormat.MemoryBmp.ToString ()))
|
|
return ImageFormat.MemoryBmp;
|
|
else if (strFormat.Equals (ImageFormat.Png.ToString ()))
|
|
return ImageFormat.Png;
|
|
else if (strFormat.Equals (ImageFormat.Tiff.ToString ()))
|
|
return ImageFormat.Tiff;
|
|
else if (strFormat.Equals (ImageFormat.Wmf.ToString ()))
|
|
return ImageFormat.Wmf;
|
|
} else {
|
|
// case #3, this is probably a short format
|
|
if (String.Compare (strFormat, "Bmp", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Bmp;
|
|
else if (String.Compare (strFormat, "Emf", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Emf;
|
|
else if (String.Compare (strFormat, "Exif", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Exif;
|
|
else if (String.Compare (strFormat, "Gif", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Gif;
|
|
else if (String.Compare (strFormat, "Icon", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Icon;
|
|
else if (String.Compare (strFormat, "Jpeg", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Jpeg;
|
|
else if (String.Compare (strFormat, "MemoryBmp", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.MemoryBmp;
|
|
else if (String.Compare (strFormat, "Png", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Png;
|
|
else if (String.Compare (strFormat, "Tiff", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Tiff;
|
|
else if (String.Compare (strFormat, "Wmf", StringComparison.OrdinalIgnoreCase) == 0)
|
|
return ImageFormat.Wmf;
|
|
}
|
|
// last case, this is an unknown string
|
|
return base.ConvertFrom (context, culture, value);
|
|
}
|
|
|
|
public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType )
|
|
{
|
|
if (value is ImageFormat) {
|
|
ImageFormat c = (ImageFormat) value;
|
|
string prop = null;
|
|
if (c.Guid.Equals (ImageFormat.Bmp.Guid))
|
|
prop = "Bmp";
|
|
else if (c.Guid.Equals (ImageFormat.Emf.Guid))
|
|
prop = "Emf";
|
|
else if (c.Guid.Equals (ImageFormat.Exif.Guid))
|
|
prop = "Exif";
|
|
else if (c.Guid.Equals (ImageFormat.Gif.Guid))
|
|
prop = "Gif";
|
|
else if (c.Guid.Equals (ImageFormat.Icon.Guid))
|
|
prop = "Icon";
|
|
else if (c.Guid.Equals (ImageFormat.Jpeg.Guid))
|
|
prop = "Jpeg";
|
|
else if (c.Guid.Equals (ImageFormat.MemoryBmp.Guid))
|
|
prop = "MemoryBmp";
|
|
else if (c.Guid.Equals (ImageFormat.Png.Guid))
|
|
prop = "Png";
|
|
else if (c.Guid.Equals (ImageFormat.Tiff.Guid))
|
|
prop = "Tiff";
|
|
else if (c.Guid.Equals (ImageFormat.Wmf.Guid))
|
|
prop = "Wmf";
|
|
|
|
if (destinationType == typeof (string)) {
|
|
return prop != null ? prop : c.ToString ();
|
|
} else if (destinationType == typeof (InstanceDescriptor)) {
|
|
if (prop != null){
|
|
return new InstanceDescriptor (typeof (ImageFormat).GetTypeInfo ().GetProperty (prop), null);
|
|
} else {
|
|
ConstructorInfo ctor = typeof(ImageFormat).GetTypeInfo ().GetConstructor (new Type[] {typeof(Guid)} );
|
|
return new InstanceDescriptor (ctor, new object[] {c.Guid});
|
|
}
|
|
}
|
|
}
|
|
|
|
return base.ConvertTo (context, culture, value, destinationType);
|
|
}
|
|
|
|
public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
|
|
{
|
|
ImageFormat[] list = new ImageFormat [10];
|
|
list [0] = ImageFormat.MemoryBmp;
|
|
list [1] = ImageFormat.Bmp;
|
|
list [2] = ImageFormat.Emf;
|
|
list [3] = ImageFormat.Wmf;
|
|
list [4] = ImageFormat.Gif;
|
|
list [5] = ImageFormat.Jpeg;
|
|
list [6] = ImageFormat.Png;
|
|
list [7] = ImageFormat.Tiff;
|
|
list [8] = ImageFormat.Exif;
|
|
list [9] = ImageFormat.Icon;
|
|
return new TypeConverter.StandardValuesCollection (list);
|
|
}
|
|
|
|
public override bool GetStandardValuesSupported (ITypeDescriptorContext context)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|