using (Bitmap icon = GenerateImage(f)) {
                    int width = icon.Width;
                    int height = icon.Height;
                    //for (int j = 0; j < height; j++) {
                        //sb.Append(new string('\t', indentLevel + 2));
                        //for (int i = 0; i < width; i++) {
                        //    Color c = icon.GetPixel(i, j);
                        //    icon.
                        //    //int r = c.R;
                        //    //int g = c.G;
                        //    //int b = c.B;
                        //    //r = (r & 0xF8) >> 3;
                        //    //g = (g & 0xFc) >> 3;
                        //    //b = (b & 0xF8) >> 3;
                        //    //int color = ((r << 11) + (g << 5) + b);
                        //    int color = c.ToArgb();
                        //    sb.AppendFormat("0x{0:X2},0x{1:X2},", (byte)(color >> 6), (byte)(color & 0xFF));
                        //}
                        var lockedBitmap = icon.LockBits(new Rectangle(0, 0, icon.Width, icon.Height), ImageLockMode.ReadOnly, PixelFormat.Format16bppRgb565);
                        var pixelData = new short[(lockedBitmap.Stride / 2) * lockedBitmap.Height];
                        Marshal.Copy(lockedBitmap.Scan0, pixelData, 0, pixelData.Length);
                        icon.UnlockBits(lockedBitmap);
                        for (int i = 0; i < IconHeight * IconWidth; i++) {
                            short color = pixelData[i];
                            sb.AppendFormat("0x{0:X2},0x{1:X2},", (byte)((color & 0xFF00) >> 8), (byte)(color & 0xFF));
                        }
                        sb.AppendLine();
                    //}
                }