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TheXamlGuy
2024-04-26 23:05:36 +01:00
parent 9f90ef693d
commit bc55c4649b
206 changed files with 3106 additions and 3204 deletions
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Toolkit.UI.Controls.Avalonia/QrCode/Encoding/ErrorCorrection/ECGenerator.cs
+64 -66
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@@ -1,84 +1,82 @@
using Gma.QrCodeNet.Encoding.ReedSolomon;
using System;
using System.Collections.Generic;
namespace Gma.QrCodeNet.Encoding.ErrorCorrection;
internal static class ECGenerator
{
internal static BitList FillECCodewords(BitList dataCodewords, VersionDetail vd)
{
List<byte> dataCodewordsByte = dataCodewords.List;
internal static BitList FillECCodewords(BitList dataCodewords, VersionDetail vd)
{
List<byte> dataCodewordsByte = dataCodewords.List;
int ecBlockGroup1 = vd.ECBlockGroup1;
int numDataBytesGroup1 = vd.NumDataBytesGroup1;
int numDataBytesGroup2 = vd.NumDataBytesGroup2;
int ecBlockGroup1 = vd.ECBlockGroup1;
int numDataBytesGroup1 = vd.NumDataBytesGroup1;
int numDataBytesGroup2 = vd.NumDataBytesGroup2;
int ecBytesPerBlock = vd.NumECBytesPerBlock;
int ecBytesPerBlock = vd.NumECBytesPerBlock;
int dataBytesOffset = 0;
byte[][] dByteJArray = new byte[vd.NumECBlocks][];
byte[][] ecByteJArray = new byte[vd.NumECBlocks][];
int dataBytesOffset = 0;
byte[][] dByteJArray = new byte[vd.NumECBlocks][];
byte[][] ecByteJArray = new byte[vd.NumECBlocks][];
GaloisField256 gf256 = GaloisField256.QRCodeGaloisField;
GeneratorPolynomial generator = new(gf256);
GaloisField256 gf256 = GaloisField256.QRCodeGaloisField;
GeneratorPolynomial generator = new(gf256);
for (int blockId = 0; blockId < vd.NumECBlocks; blockId++)
{
if (blockId < ecBlockGroup1)
{
dByteJArray[blockId] = new byte[numDataBytesGroup1];
for (int index = 0; index < numDataBytesGroup1; index++)
{
dByteJArray[blockId][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup1;
}
else
{
dByteJArray[blockId] = new byte[numDataBytesGroup2];
for (int index = 0; index < numDataBytesGroup2; index++)
{
dByteJArray[blockId][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup2;
}
for (int blockId = 0; blockId < vd.NumECBlocks; blockId++)
{
if (blockId < ecBlockGroup1)
{
dByteJArray[blockId] = new byte[numDataBytesGroup1];
for (int index = 0; index < numDataBytesGroup1; index++)
{
dByteJArray[blockId][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup1;
}
else
{
dByteJArray[blockId] = new byte[numDataBytesGroup2];
for (int index = 0; index < numDataBytesGroup2; index++)
{
dByteJArray[blockId][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup2;
}
ecByteJArray[blockId] = ReedSolomonEncoder.Encode(dByteJArray[blockId], ecBytesPerBlock, generator);
}
if (vd.NumDataBytes != dataBytesOffset)
{
throw new ArgumentException("Data bytes do not match offset");
}
ecByteJArray[blockId] = ReedSolomonEncoder.Encode(dByteJArray[blockId], ecBytesPerBlock, generator);
}
if (vd.NumDataBytes != dataBytesOffset)
{
throw new ArgumentException("Data bytes do not match offset");
}
BitList codewords = new();
BitList codewords = new();
int maxDataLength = ecBlockGroup1 == vd.NumECBlocks ? numDataBytesGroup1 : numDataBytesGroup2;
int maxDataLength = ecBlockGroup1 == vd.NumECBlocks ? numDataBytesGroup1 : numDataBytesGroup2;
for (int dataId = 0; dataId < maxDataLength; dataId++)
{
for (int blockId = 0; blockId < vd.NumECBlocks; blockId++)
{
if (!(dataId == numDataBytesGroup1 && blockId < ecBlockGroup1))
{
codewords.Add(dByteJArray[blockId][dataId], 8);
}
}
}
for (int dataId = 0; dataId < maxDataLength; dataId++)
{
for (int blockId = 0; blockId < vd.NumECBlocks; blockId++)
{
if (!(dataId == numDataBytesGroup1 && blockId < ecBlockGroup1))
{
codewords.Add(dByteJArray[blockId][dataId], 8);
}
}
}
for (int ecId = 0; ecId < ecBytesPerBlock; ecId++)
{
for (int blockId = 0; blockId < vd.NumECBlocks; blockId++)
{
codewords.Add(ecByteJArray[blockId][ecId], 8);
}
}
for (int ecId = 0; ecId < ecBytesPerBlock; ecId++)
{
for (int blockId = 0; blockId < vd.NumECBlocks; blockId++)
{
codewords.Add(ecByteJArray[blockId][ecId], 8);
}
}
if (vd.NumTotalBytes != codewords.Count >> 3)
{
throw new ArgumentException($"Total bytes: {vd.NumTotalBytes}. Actual bits: {codewords.Count}");
}
if (vd.NumTotalBytes != codewords.Count >> 3)
{
throw new ArgumentException($"Total bytes: {vd.NumTotalBytes}. Actual bits: {codewords.Count}");
}
return codewords;
}
}
return codewords;
}
}