static void DrawBitmap64x64From4_32x32(AsyncGraphics gfx, Bitmap[] bitmaps, int x = 0, int y = 0)
        {
            /*
             * Topleft: 4
             * TopRight: 3
             * BottomLeft: 2
             * BottomRight: 1
             */

            if (bitmaps[3] != null)
            {
                gfx.DrawImage(bitmaps[3], x, y, 32, 32);
            }
            if (bitmaps[2] != null)
            {
                gfx.DrawImage(bitmaps[2], x + 32, y, 32, 32);
            }
            if (bitmaps[1] != null)
            {
                gfx.DrawImage(bitmaps[1], x, y + 32, 32, 32);
            }
            if (bitmaps[0] != null)
            {
                gfx.DrawImage(bitmaps[0], x + 32, y + 32, 32, 32);
            }
        }
        static void DrawBitmap64x32From2_32x32(AsyncGraphics gfx, Bitmap[] bitmaps, int x = 0, int y = 0)
        {
            /*
             * Left: 2
             * Right: 1
             */

            if (bitmaps[1] != null)
            {
                gfx.DrawImage(bitmaps[1], x, y, 32, 32);
            }
            if (bitmaps[0] != null)
            {
                gfx.DrawImage(bitmaps[0], x + 32, y, 32, 32);
            }
        }
        static void DrawBitmap32x64From2_32x32(AsyncGraphics gfx, Bitmap[] bitmaps, int x = 0, int y = 0)
        {
            /*
             * Top: 2
             * Bottom: 1
             */

            if (bitmaps[1] != null)
            {
                gfx.DrawImage(bitmaps[1], x, y, 32, 32);
            }
            if (bitmaps[0] != null)
            {
                gfx.DrawImage(bitmaps[0], x, y + 32, 32, 32);
            }
        }
        static void DrawBitmap32x32From1_32x32(AsyncGraphics gfx, Bitmap[] bitmaps, int x = 0, int y = 0)
        {
            /*
             * Fill: 1
             */

            if (bitmaps[0] != null)
            {
                gfx.DrawImage(bitmaps[0], x, y, 32, 32);
            }
        }