using System; namespace Gma.QrCodeNet.Encoding.Masking; internal class Pattern6 : Pattern { public override MaskPatternType MaskPatternType => MaskPatternType.Type6; public override bool this[int i, int j] { get => ((((i * j) % 2) + ((i * j) % 3)) % 2) == 0; set => throw new NotSupportedException(); } }