ARKBreedingStats.ArkOCR.SubImage C# (CSharp) Method

        public Bitmap SubImage(Bitmap source, int x, int y, int width, int height)
        {
            //// test if first column only contains very few whites, then ommit this column
            //if (height > 7) // TODO this extra check is better for 'a', but worse for 'l'
            //{
            //    int firstWhites = 0, minNeeded = 2;
            //    for (int i = 0; i < height; i++)
            //        if (source.GetPixel(x, y + i).R != 0)
            //        {
            //            firstWhites++;
            //            if (firstWhites > minNeeded)
            //                break;
            //        }
            //    if (firstWhites <= minNeeded)
            //    {
            //        //// draw uncropped
            //        //Rectangle cropRectL = new Rectangle(x, y, width, height);
            //        //Bitmap targetL = new Bitmap(cropRectL.Width, cropRectL.Height);

            //        //using (Graphics g = Graphics.FromImage(targetL))
            //        //{
            //        //    g.DrawImage(source, new Rectangle(0, 0, targetL.Width, targetL.Height),
            //        //                     cropRectL,
            //        //                     GraphicsUnit.Pixel);
            //        //}
            //        //targetL.Save("D:\\temp\\debug_uncroppedLetter.png");// TODO comment out

            //        x++;
            //        width--;
            //    }
            //}

            Rectangle cropRect = new Rectangle(x, y, width, height);
            Bitmap target = new Bitmap(cropRect.Width, cropRect.Height);

            using (Graphics g = Graphics.FromImage(target))
            {
                g.DrawImage(source, new Rectangle(0, 0, target.Width, target.Height),
                                 cropRect,
                                 GraphicsUnit.Pixel);
            }

            return target;
        }