LitDev.Engines.FIP.Resize C# (CSharp) Method

        public Bitmap Resize(Bitmap OriginalImage, int Width, int Height)
        {
            if (Width <= 0 || Height <= 0)
            {
                throw new Exception("Output image width and height must be positive");
            }

            Bitmap OutputImage = new System.Drawing.Bitmap(Width, Height);

            Double rh = Convert.ToDouble(OriginalImage.Width) / Convert.ToDouble(Width); // Horizontal ration
            Double rv = Convert.ToDouble(OriginalImage.Height) / Convert.ToDouble(Height); // Vertical ratio

            for (int x = 0; x < Width; x++)
            {
                for (int y = 0; y < Height; y++)
                {
                    int m = (int)(x * rh);
                    int n = (int)(y * rv);

                    if (m >= OriginalImage.Width) m = OriginalImage.Width - 1;
                    if (n >= OriginalImage.Height) n = OriginalImage.Height - 1;

                    Color pixel = OriginalImage.GetPixel(m, n);

                    OutputImage.SetPixel(x, y, pixel);
                }
            }

            return OutputImage;
        }