TheXamlGuy
106 lines
3.0 KiB
C#
106 lines
3.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Gma.QrCodeNet.Encoding.Positioning.Stencils;
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internal class AlignmentPattern : PatternStencilBase
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{
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public AlignmentPattern(int version)
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: base(version)
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{
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}
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private static bool[,] AlignmentPatternArray { get; } =
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new[,]
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{
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{ X, X, X, X, X },
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{ X, O, O, O, X },
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{ X, O, X, O, X },
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{ X, O, O, O, X },
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{ X, X, X, X, X }
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};
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public override bool[,] Stencil => AlignmentPatternArray;
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// Table E.1 — Row/column coordinates of center module of Alignment Patterns
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private static byte[][] AlignmentPatternCoordinatesByVersion { get; } =
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new[]
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{
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Array.Empty<byte>(),
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Array.Empty<byte>(),
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new byte[] { 6, 18 },
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new byte[] { 6, 22 },
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new byte[] { 6, 26 },
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new byte[] { 6, 30 },
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new byte[] { 6, 34 },
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new byte[] { 6, 22, 38 },
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new byte[] { 6, 24, 42 },
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new byte[] { 6, 26, 46 },
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new byte[] { 6, 28, 50 },
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new byte[] { 6, 30, 54 },
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new byte[] { 6, 32, 58 },
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new byte[] { 6, 34, 62 },
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new byte[] { 6, 26, 46, 66 },
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new byte[] { 6, 26, 48, 70 },
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new byte[] { 6, 26, 50, 74 },
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new byte[] { 6, 30, 54, 78 },
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new byte[] { 6, 30, 56, 82 },
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new byte[] { 6, 30, 58, 86 },
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new byte[] { 6, 34, 62, 90 },
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new byte[] { 6, 28, 50, 72, 94 },
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new byte[] { 6, 26, 50, 74, 98 },
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new byte[] { 6, 30, 54, 78, 102 },
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new byte[] { 6, 28, 54, 80, 106 },
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new byte[] { 6, 32, 58, 84, 110 },
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new byte[] { 6, 30, 58, 86, 114 },
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new byte[] { 6, 34, 62, 90, 118 },
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new byte[] { 6, 26, 50, 74, 98, 122 },
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new byte[] { 6, 30, 54, 78, 102, 126 },
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new byte[] { 6, 26, 52, 78, 104, 130 },
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new byte[] { 6, 30, 56, 82, 108, 134 },
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new byte[] { 6, 34, 60, 86, 112, 138 },
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new byte[] { 6, 30, 58, 86, 114, 142 },
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new byte[] { 6, 34, 62, 90, 118, 146 },
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new byte[] { 6, 30, 54, 78, 102, 126, 150 },
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new byte[] { 6, 24, 50, 76, 102, 128, 154 },
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new byte[] { 6, 28, 54, 80, 106, 132, 158 },
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new byte[] { 6, 32, 58, 84, 110, 136, 162 },
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new byte[] { 6, 26, 54, 82, 110, 138, 166 },
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new byte[] { 6, 30, 58, 86, 114, 142, 170 }
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};
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public override void ApplyTo(TriStateMatrix matrix)
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{
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foreach (MatrixPoint coordinatePair in GetNonColidingCoordinatePairs(matrix))
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{
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CopyTo(matrix, coordinatePair, MatrixStatus.NoMask);
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}
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}
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public IEnumerable<MatrixPoint> GetNonColidingCoordinatePairs(TriStateMatrix matrix)
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{
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return
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GetAllCoordinatePairs()
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.Where(point => matrix.MStatus(point.Offset(2, 2)) == MatrixStatus.None);
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}
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private IEnumerable<MatrixPoint> GetAllCoordinatePairs()
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{
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IEnumerable<byte> coordinates = GetPatternCoordinatesByVersion(Version);
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foreach (byte centerX in coordinates)
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{
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foreach (byte centerY in coordinates)
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{
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MatrixPoint location = new(centerX - 2, centerY - 2);
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yield return location;
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}
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}
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}
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private static IEnumerable<byte> GetPatternCoordinatesByVersion(int version)
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{
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return AlignmentPatternCoordinatesByVersion[version];
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}
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}
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