public static Stream CroppedBitmapToPngStream(this CroppedBitmap image)
{
MemoryStream memStream = new MemoryStream();
PngBitmapEncoder encoder = new PngBitmapEncoder();
var frame = encoder.With(x => image)
.With(x => BitmapFrame.Create(x));
if (frame == null)
{
return(null);
}
encoder.Frames.Add(frame);
encoder.Save(memStream);
return(memStream);
}
public static Stream ToPngStream(this System.Windows.Controls.Image image)
{
if (image == null || image.Source == null)
{
return(null);
}
MemoryStream memStream = new MemoryStream();
PngBitmapEncoder encoder = new PngBitmapEncoder();
var frame = encoder.With(x => image.Source as CroppedBitmap)
.With(x => BitmapFrame.Create(x));
if (frame == null)
{
return(null);
}
encoder.Frames.Add(frame);
encoder.Save(memStream);
return(memStream);
}