Color Converter
//http://aspascension.codeplex.com/
//Microsoft Public License (Ms-PL)
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Reflection;
using System.Windows.Data;
namespace ASPAscension.Silverlight.Converters
{
public class ColorConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value.GetType() == typeof(String))
{
string val = value as string;
Color c;
if (val.StartsWith("#"))
{
val = val.Replace("#", "");
byte a = System.Convert.ToByte("ff", 16);
byte pos = 0;
if (val.Length == 8)
{
a = System.Convert.ToByte(val.Substring(pos, 2), 16);
pos = 2;
}
byte r = System.Convert.ToByte(val.Substring(pos, 2), 16);
pos += 2;
byte g = System.Convert.ToByte(val.Substring(pos, 2), 16);
pos += 2;
byte b = System.Convert.ToByte(val.Substring(pos, 2), 16);
c = Color.FromArgb(a, r, g, b);
return new SolidColorBrush(c);
}
else
{
try
{
c = GetColorFromString(value as string);
return new SolidColorBrush(c);
}
catch (InvalidCastException ex)
{
return null;
}
}
}
return null;
}
public static Color GetColorFromString(string colorString)
{
Type colorType = (typeof(System.Windows.Media.Colors));
if (colorType.GetProperty(colorString) != null)
{
object color = colorType.InvokeMember(colorString, BindingFlags.GetProperty, null, null, null);
try
{
return (Color)color;
}
catch
{
throw new InvalidCastException("Color not defined");
}
}
return Colors.Transparent;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
SolidColorBrush val = value as SolidColorBrush;
return val.Color.ToString();
//if (typeof(Colors).GetProperty(val.Color.ToString()) != null)
// return typeof(Colors).GetProperty(val.Color.ToString()).GetValue(val, null);
//else
// return "#" + val.Color.A.ToString() + val.Color.R.ToString() + val.Color.G.ToString() + val.Color.B.ToString();
}
}
}
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