AcTools.Utils.ImageUtils.GetBaseColors C# (CSharp) Метод

        public static Color[] GetBaseColors(Bitmap bitmap) {
            if (bitmap.Width == Size && bitmap.Height == Size) {
                return GetBaseColors48(bitmap);
            }

            using (var resized = new Bitmap(Size, Size))
            using (var graphics = Graphics.FromImage(resized)) {
                graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
                graphics.SmoothingMode = SmoothingMode.HighQuality;
                graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
                graphics.DrawImage(bitmap, 0, 0, Size, Size);
                return GetBaseColors48(resized);
            }
        }