using System; namespace Gma.QrCodeNet.Encoding.Masking; internal class Pattern5 : Pattern { public override MaskPatternType MaskPatternType => MaskPatternType.Type5; public override bool this[int i, int j] { get => (((i * j) % 2) + ((i * j) % 3)) == 0; set => throw new NotSupportedException(); } }