private MagickImage CreateImage(int? density) { MagickImage image = new MagickImage(MagickColors.Purple, 500, 500); DrawableFontPointSize pointSize = new DrawableFontPointSize(20); DrawableText text = new DrawableText(250, 250, "Magick.NET"); if (!density.HasValue) image.Draw(pointSize, text); else image.Draw(pointSize, new DrawableDensity(density.Value), text); image.Trim(); return image; }