39 lines
1.3 KiB
C#
39 lines
1.3 KiB
C#
using System.Diagnostics;
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namespace DisplayCommands;
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public sealed class ByteGrid(ushort width, ushort height) : IEquatable<ByteGrid>
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{
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public ushort Height { get; } = height;
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public ushort Width { get; } = width;
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internal Memory<byte> Data { get; } = new byte[width * height].AsMemory();
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public byte this[ushort x, ushort y]
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{
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get => Data.Span[GetIndex(x, y)];
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set => Data.Span[GetIndex(x, y)] = value;
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}
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private int GetIndex(ushort x, ushort y)
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{
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Debug.Assert(x < Width);
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Debug.Assert(y < Height);
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return x + y * Width;
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}
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public void Clear() => Data.Span.Clear();
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public bool Equals(ByteGrid? other)
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{
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if (ReferenceEquals(null, other)) return false;
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if (ReferenceEquals(this, other)) return true;
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return Height == other.Height && Width == other.Width && Data.Span.SequenceEqual(other.Data.Span);
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}
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public override bool Equals(object? obj) => ReferenceEquals(this, obj) || (obj is ByteGrid other && Equals(other));
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public override int GetHashCode() => HashCode.Combine(Height, Width, Data);
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public static bool operator ==(ByteGrid? left, ByteGrid? right) => Equals(left, right);
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public static bool operator !=(ByteGrid? left, ByteGrid? right) => !Equals(left, right);
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} |