public static BitmapImage StringToBitmap(string str)
{
var text = new FormattedText(str,
CultureInfo.GetCultureInfo("en-us"),
FlowDirection.LeftToRight,
new Typeface("Verdana"),
30, System.Windows.Media.Brushes.Green);
DrawingVisual drawingVisual = new DrawingVisual();
DrawingContext drawingContext = drawingVisual.RenderOpen();
drawingContext.DrawRectangle(System.Windows.Media.Brushes.Transparent, null, new Rect(0, 0, 200, 100));
drawingContext.DrawText(text, new System.Windows.Point(0, 0));
drawingContext.Close();
RenderTargetBitmap bmp = new RenderTargetBitmap((int)text.Width, (int)text.Height,100,100, PixelFormats.Pbgra32);
bmp.Render(drawingVisual);
return bmp.ToWinFormsBitmap().ToMediaBitmap();
}
