ZForge.Controls.TreeViewAdv.GifDecoder.ReadLSD C# (CSharp) Method

        private void ReadLSD()
        {
            // logical screen size
            width = ReadShort();
            height = ReadShort();

            // packed fields
            int packed = Read();
            gctFlag = (packed & 0x80) != 0; // 1   : global color table flag
            // 2-4 : color resolution
            // 5   : gct sort flag
            gctSize = 2 << (packed & 7); // 6-8 : gct size

            bgIndex = Read(); // background color index
            pixelAspect = Read(); // pixel aspect ratio
        }