/// <summary> /// Overlay a color on a image /// </summary> /// <param name="image">The image.</param> /// <param name="brush">The brush.</param> /// <param name="alpha">The alpha.</param> /// <returns>Image.</returns> public static Image Overlay(this Image image, Brush brush, double alpha = 0.5) { Bitmap colorBitmap = new Bitmap(image.Width, image.Height); using (Graphics graph = Graphics.FromImage(colorBitmap)) { Rectangle rectangle = new Rectangle(0, 0, colorBitmap.Width, colorBitmap.Height); graph.FillRectangle(brush, rectangle); } ImageFilter imageFilter = new ImageFilter(); return imageFilter.Overlay(new Bitmap(image), colorBitmap, alpha); }
/// <summary> /// Overlay two images /// </summary> /// <param name="image">The image.</param> /// <param name="overlayingImage">The overlaying image.</param> /// <param name="alpha">The alpha.</param> /// <returns>Image.</returns> public static Image Overlay(this Image image, Image overlayingImage, double alpha = 0.5) { ImageFilter imageFilter = new ImageFilter(); return imageFilter.Overlay(new Bitmap(image), new Bitmap(overlayingImage), alpha); }