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codebudecodebude
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Merge pull request #516 from Shane32/code_separation
Refactor QRCodeGenerator into separate files
2 parents e36d34d + 307e6aa commit e7a7eb2

15 files changed

+735
-646
lines changed

‎QRCoder/QRCodeGenerator.AlignmentPattern.cs

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using System.Collections.Generic;
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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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private struct AlignmentPattern
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{
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public int Version;
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public List<Point> PatternPositions;
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}
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}
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}

‎QRCoder/QRCodeGenerator.CodewordBlock.cs

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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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private struct CodewordBlock
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{
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public CodewordBlock(byte[] codeWords, byte[] eccWords)
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{
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this.CodeWords = codeWords;
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this.ECCWords = eccWords;
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}
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public byte[] CodeWords { get; }
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public byte[] ECCWords { get; }
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}
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}
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}

‎QRCoder/QRCodeGenerator.ECCInfo.cs

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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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private struct ECCInfo
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{
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public ECCInfo(int version, ECCLevel errorCorrectionLevel, int totalDataCodewords, int eccPerBlock, int blocksInGroup1,
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int codewordsInGroup1, int blocksInGroup2, int codewordsInGroup2)
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{
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this.Version = version;
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this.ErrorCorrectionLevel = errorCorrectionLevel;
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this.TotalDataCodewords = totalDataCodewords;
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this.ECCPerBlock = eccPerBlock;
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this.BlocksInGroup1 = blocksInGroup1;
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this.CodewordsInGroup1 = codewordsInGroup1;
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this.BlocksInGroup2 = blocksInGroup2;
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this.CodewordsInGroup2 = codewordsInGroup2;
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}
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public int Version { get; }
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public ECCLevel ErrorCorrectionLevel { get; }
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public int TotalDataCodewords { get; }
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public int ECCPerBlock { get; }
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public int BlocksInGroup1 { get; }
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public int CodewordsInGroup1 { get; }
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public int BlocksInGroup2 { get; }
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public int CodewordsInGroup2 { get; }
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}
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}
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}

‎QRCoder/QRCodeGenerator.ECCLevel.cs

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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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/// <summary>
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/// Error correction level. These define the tolerance levels for how much of the code can be lost before the code cannot be recovered.
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/// </summary>
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public enum ECCLevel
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{
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/// <summary>
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/// 7% may be lost before recovery is not possible
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/// </summary>
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L,
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/// <summary>
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/// 15% may be lost before recovery is not possible
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/// </summary>
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M,
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/// <summary>
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/// 25% may be lost before recovery is not possible
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/// </summary>
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Q,
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/// <summary>
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/// 30% may be lost before recovery is not possible
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/// </summary>
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H
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}
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}
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}

‎QRCoder/QRCodeGenerator.EciMode.cs

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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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public enum EciMode
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{
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Default = 0,
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Iso8859_1 = 3,
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Iso8859_2 = 4,
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Utf8 = 26
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}
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}
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}

‎QRCoder/QRCodeGenerator.EncodingMode.cs

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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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private enum EncodingMode
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{
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Numeric = 1,
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Alphanumeric = 2,
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Byte = 4,
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Kanji = 8,
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ECI = 7
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}
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}
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}

‎QRCoder/QRCodeGenerator.ModulePlacer.MaskPattern.cs

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using System;
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using System.Collections.Generic;
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namespace QRCoder
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{
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public partial class QRCodeGenerator
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{
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private static partial class ModulePlacer
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{
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private static class MaskPattern
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{
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public static readonly Dictionary<int, Func<int, int, bool>> Patterns =
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new Dictionary<int, Func<int, int, bool>>(8) {
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{ 1, MaskPattern.Pattern1 }, {2, MaskPattern.Pattern2 }, {3, MaskPattern.Pattern3 }, {4, MaskPattern.Pattern4 },
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{ 5, MaskPattern.Pattern5 }, {6, MaskPattern.Pattern6 }, {7, MaskPattern.Pattern7 }, {8, MaskPattern.Pattern8 }
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};
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public static bool Pattern1(int x, int y)
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{
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return (x + y) % 2 == 0;
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}
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public static bool Pattern2(int x, int y)
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{
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return y % 2 == 0;
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}
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public static bool Pattern3(int x, int y)
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{
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return x % 3 == 0;
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}
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public static bool Pattern4(int x, int y)
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{
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return (x + y) % 3 == 0;
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}
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public static bool Pattern5(int x, int y)
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{
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return ((int)(Math.Floor(y / 2d) + Math.Floor(x / 3d)) % 2) == 0;
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}
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public static bool Pattern6(int x, int y)
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{
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return ((x * y) % 2) + ((x * y) % 3) == 0;
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}
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public static bool Pattern7(int x, int y)
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{
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return (((x * y) % 2) + ((x * y) % 3)) % 2 == 0;
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}
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public static bool Pattern8(int x, int y)
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{
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return (((x + y) % 2) + ((x * y) % 3)) % 2 == 0;
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}
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public static int Score(QRCodeData qrCode)
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{
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int score1 = 0,
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score2 = 0,
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score3 = 0,
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score4 = 0;
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var size = qrCode.ModuleMatrix.Count;
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//Penalty 1
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for (var y = 0; y < size; y++)
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{
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var modInRow = 0;
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var modInColumn = 0;
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var lastValRow = qrCode.ModuleMatrix[y][0];
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var lastValColumn = qrCode.ModuleMatrix[0][y];
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for (var x = 0; x < size; x++)
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{
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if (qrCode.ModuleMatrix[y][x] == lastValRow)
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modInRow++;
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else
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modInRow = 1;
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if (modInRow == 5)
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score1 += 3;
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else if (modInRow > 5)
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score1++;
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lastValRow = qrCode.ModuleMatrix[y][x];
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if (qrCode.ModuleMatrix[x][y] == lastValColumn)
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modInColumn++;
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else
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modInColumn = 1;
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if (modInColumn == 5)
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score1 += 3;
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else if (modInColumn > 5)
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score1++;
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lastValColumn = qrCode.ModuleMatrix[x][y];
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}
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}
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//Penalty 2
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for (var y = 0; y < size - 1; y++)
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{
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for (var x = 0; x < size - 1; x++)
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{
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if (qrCode.ModuleMatrix[y][x] == qrCode.ModuleMatrix[y][x + 1] &&
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qrCode.ModuleMatrix[y][x] == qrCode.ModuleMatrix[y + 1][x] &&
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qrCode.ModuleMatrix[y][x] == qrCode.ModuleMatrix[y + 1][x + 1])
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score2 += 3;
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}
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}
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//Penalty 3
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for (var y = 0; y < size; y++)
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{
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for (var x = 0; x < size - 10; x++)
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{
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if ((qrCode.ModuleMatrix[y][x] &&
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!qrCode.ModuleMatrix[y][x + 1] &&
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qrCode.ModuleMatrix[y][x + 2] &&
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qrCode.ModuleMatrix[y][x + 3] &&
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qrCode.ModuleMatrix[y][x + 4] &&
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!qrCode.ModuleMatrix[y][x + 5] &&
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qrCode.ModuleMatrix[y][x + 6] &&
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!qrCode.ModuleMatrix[y][x + 7] &&
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!qrCode.ModuleMatrix[y][x + 8] &&
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!qrCode.ModuleMatrix[y][x + 9] &&
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!qrCode.ModuleMatrix[y][x + 10]) ||
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(!qrCode.ModuleMatrix[y][x] &&
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!qrCode.ModuleMatrix[y][x + 1] &&
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!qrCode.ModuleMatrix[y][x + 2] &&
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!qrCode.ModuleMatrix[y][x + 3] &&
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qrCode.ModuleMatrix[y][x + 4] &&
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!qrCode.ModuleMatrix[y][x + 5] &&
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qrCode.ModuleMatrix[y][x + 6] &&
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qrCode.ModuleMatrix[y][x + 7] &&
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qrCode.ModuleMatrix[y][x + 8] &&
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!qrCode.ModuleMatrix[y][x + 9] &&
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qrCode.ModuleMatrix[y][x + 10]))
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{
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score3 += 40;
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}
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if ((qrCode.ModuleMatrix[x][y] &&
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!qrCode.ModuleMatrix[x + 1][y] &&
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qrCode.ModuleMatrix[x + 2][y] &&
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qrCode.ModuleMatrix[x + 3][y] &&
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qrCode.ModuleMatrix[x + 4][y] &&
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!qrCode.ModuleMatrix[x + 5][y] &&
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qrCode.ModuleMatrix[x + 6][y] &&
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!qrCode.ModuleMatrix[x + 7][y] &&
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!qrCode.ModuleMatrix[x + 8][y] &&
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!qrCode.ModuleMatrix[x + 9][y] &&
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!qrCode.ModuleMatrix[x + 10][y]) ||
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(!qrCode.ModuleMatrix[x][y] &&
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!qrCode.ModuleMatrix[x + 1][y] &&
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!qrCode.ModuleMatrix[x + 2][y] &&
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!qrCode.ModuleMatrix[x + 3][y] &&
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qrCode.ModuleMatrix[x + 4][y] &&
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!qrCode.ModuleMatrix[x + 5][y] &&
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qrCode.ModuleMatrix[x + 6][y] &&
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qrCode.ModuleMatrix[x + 7][y] &&
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qrCode.ModuleMatrix[x + 8][y] &&
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!qrCode.ModuleMatrix[x + 9][y] &&
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qrCode.ModuleMatrix[x + 10][y]))
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{
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score3 += 40;
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}
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}
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}
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//Penalty 4
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int blackModules = 0;
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foreach (var bitArray in qrCode.ModuleMatrix)
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for (var x = 0; x < size; x++)
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if (bitArray[x])
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blackModules++;
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var percentDiv5 = blackModules * 20 / (qrCode.ModuleMatrix.Count * qrCode.ModuleMatrix.Count);
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var prevMultipleOf5 = Math.Abs(percentDiv5 - 10);
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var nextMultipleOf5 = Math.Abs(percentDiv5 - 9);
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score4 = Math.Min(prevMultipleOf5, nextMultipleOf5) * 10;
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return (score1 + score2) + (score3 + score4);
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}
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}
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}
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}
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}

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