// expects the target object as the first parameter, and the resource key as the second
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (values.Length < 2)
{
return(null);
}
var element = values[0] as FrameworkElement;
var resourceKey = values[1];
if (element == null || resourceKey == null)
{
return(null);
}
if (StringFormat != null)
{
resourceKey = string.Format(StringFormat, resourceKey);
}
if (ResourceKeyConverter != null)
{
resourceKey = ResourceKeyConverter.Convert(resourceKey, targetType, ConverterParameter, culture);
}
if (resourceKey == null)
{
return(null);
}
var resource = element.TryFindResource(resourceKey);
if (resource == null)
{
Trace.TraceWarning("Resource not found: {0}", resourceKey);
}
return(resource);
}
// expects the target object as the first parameter, and the resource key as the second
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (values.Length < 2)
{
return(null);
}
var element = values[0] as FrameworkElement;
var resourceKey = values[1];
if (ResourceKeyConverter != null)
{
resourceKey = ResourceKeyConverter.Convert(resourceKey, targetType, ConverterParameter, culture);
}
else if (StringFormat != null && resourceKey is string)
{
resourceKey = string.Format(StringFormat, resourceKey);
}
var resource = element.TryFindResource(resourceKey);
return(resource);
}
// expects the target object as the first parameter, and the resource key as the second
public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (values.Length < 2)
{
return(null);
}
var element = values[0] as FrameworkElement;
var resourceKey = values[1];
if (element == null || resourceKey == null)
{
return(null);
}
if (ResourceKeyFormat != null)
{
resourceKey = string.Format(ResourceKeyFormat, resourceKey);
}
if (ResourceKeyConverter != null)
{
resourceKey = ResourceKeyConverter.Convert(resourceKey, targetType, ConverterParameter, culture);
}
if (resourceKey == null)
{
return(null);
}
var resource = element.TryFindResource(resourceKey);
if (resource != null)
{
if (CropRect == null)
{
return(resource);
}
else if (resource is BitmapSource)
{
BitmapSource bitmap = resource as BitmapSource;
var result = new CroppedBitmap(bitmap, CropRect);
result.Freeze();
return(result);
}
}
string fileName = null;
resourceKey = values[1];
if (StringFormat != null)
{
fileName = string.Format(StringFormat, resourceKey);
}
if (ResourceKeyConverter != null)
{
fileName = ResourceKeyConverter.Convert(fileName, targetType, ConverterParameter, culture).ToString();
}
if (fileName != null)
{
fileName = string.Format("pack://siteoforigin:,,,/{0}", fileName);
try
{
object imageObj = (new ImageSourceConverter()).ConvertFromString(fileName);
var image = imageObj as ImageSource;
if (image != null)
{
if (CropRect == null)
{
return(image);
}
else if (image is BitmapSource)
{
BitmapSource bitmap = image as BitmapSource;
var result = new CroppedBitmap(bitmap, CropRect);
result.Freeze();
return(result);
}
}
}
catch (NullReferenceException)
{
}
catch (NotSupportedException)
{
}
catch (ArgumentException)
{
Trace.TraceWarning("Image not in expected size: {0}", fileName);
}
}
Trace.TraceWarning("Resource not found: {0} or {1}\n", resourceKey, fileName);
return(null);
}
