AcTools.Utils.ImageUtils.ResizeFile C# (CSharp) Method

        public static void ResizeFile(string source, string destination, int width, int height) {
            using (var bitmap = new Bitmap(width, height))
            using (var graphics = Graphics.FromImage(bitmap)) {
                graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                graphics.SmoothingMode = SmoothingMode.HighQuality;
                graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;

                using (var image = Image.FromFile(source)) {
                    var k = Math.Min((double)image.Width / width, (double)image.Height / height);
                    var nw = (float)(image.Width / k);
                    var nh = (float)(image.Height / k);
                    graphics.DrawImage(image, (nw - width) / 2f, (nh - height) / 2f, nw, nh);
                }

                bitmap.Save(destination, ImageFormat.Png);
            }
        }