protected static void ApplyGreyScaleImage(GreyableImage greyScaleImg, Boolean isEnabled)
{
try
{
if (!isEnabled)
{
if (greyScaleImg.Source is FormatConvertedBitmap)
{
// Already grey !
return;
}
var image = greyScaleImg.Source as BitmapSource;
var bitmapImage = image ?? new BitmapImage(new Uri(greyScaleImg.Source.ToString()));
var conv = new FormatConvertedBitmap(bitmapImage, PixelFormats.Gray32Float, null, 0);
greyScaleImg.Source = conv;
// Create Opacity Mask for greyscale image as FormatConvertedBitmap does not keep transparency info
greyScaleImg.OpacityMask = new ImageBrush(((FormatConvertedBitmap)greyScaleImg.Source).Source); //equivalent to new ImageBrush(bitmapImage)
}
else
{
if (greyScaleImg.Source is FormatConvertedBitmap)
{
greyScaleImg.Source = ((FormatConvertedBitmap)greyScaleImg.Source).Source;
}
else if (greyScaleImg.Source is BitmapSource)
{
// Should be full color already.
return;
}
// Reset the Opcity Mask
greyScaleImg.OpacityMask = null;
}
}
catch (Exception)
{
// nothin'
}
}
protected static void ApplyGreyScaleImage(GreyableImage greyScaleImg, Boolean isEnabled)
{
try
{
if (!isEnabled)
{
if (greyScaleImg.Source is FormatConvertedBitmap)
{
// Already grey !
return;
}
var image = greyScaleImg.Source as BitmapSource;
var bitmapImage = image ?? new BitmapImage(new Uri(greyScaleImg.Source.ToString()));
var conv = new FormatConvertedBitmap(bitmapImage, PixelFormats.Gray32Float, null, 0);
greyScaleImg.Source = conv;
// Create Opacity Mask for greyscale image as FormatConvertedBitmap does not keep transparency info
greyScaleImg.OpacityMask = new ImageBrush(((FormatConvertedBitmap)greyScaleImg.Source).Source); //equivalent to new ImageBrush(bitmapImage)
}
else
{
if (greyScaleImg.Source is FormatConvertedBitmap)
{
greyScaleImg.Source = ((FormatConvertedBitmap)greyScaleImg.Source).Source;
}
else if (greyScaleImg.Source is BitmapSource)
{
// Should be full color already.
return;
}
// Reset the Opcity Mask
greyScaleImg.OpacityMask = null;
}
}
catch (Exception)
{
// nothin'
}
}
