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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/EncodingRegion/VersionInformation.cs
+48 -50
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@@ -1,5 +1,3 @@
using System;
namespace Gma.QrCodeNet.Encoding.EncodingRegion;
/// <summary>
@@ -8,63 +6,63 @@ namespace Gma.QrCodeNet.Encoding.EncodingRegion;
/// <remarks>ISO/IEC 18004:2000 Chapter 8.10 Page 54</remarks>
internal static class VersionInformation
{
private const int VIRectangleHeight = 3;
private const int VIRectangleWidth = 6;
private const int VIRectangleHeight = 3;
private const int VIRectangleWidth = 6;
private const int LengthDataBits = 6;
private const int LengthECBits = 12;
private const int VersionBCHPoly = 0x1f25;
private const int LengthDataBits = 6;
private const int LengthECBits = 12;
private const int VersionBCHPoly = 0x1f25;
/// <summary>
/// Embed version information to Matrix
/// Only for version greater than or equal to 7
/// </summary>
internal static void EmbedVersionInformation(this TriStateMatrix tsMatrix, int version)
{
if (version < 7)
{
return;
}
/// <summary>
/// Embed version information to Matrix
/// Only for version greater than or equal to 7
/// </summary>
internal static void EmbedVersionInformation(this TriStateMatrix tsMatrix, int version)
{
if (version < 7)
{
return;
}
BitList versionInfo = VersionInfoBitList(version);
BitList versionInfo = VersionInfoBitList(version);
int matrixWidth = tsMatrix.Width;
int matrixWidth = tsMatrix.Width;
// 1 cell between version info and position stencil
int shiftLength = QRCodeConstantVariable.PositionStencilWidth + VIRectangleHeight + 1;
// 1 cell between version info and position stencil
int shiftLength = QRCodeConstantVariable.PositionStencilWidth + VIRectangleHeight + 1;
// Reverse order input
int viIndex = LengthDataBits + LengthECBits - 1;
// Reverse order input
int viIndex = LengthDataBits + LengthECBits - 1;
for (int viWidth = 0; viWidth < VIRectangleWidth; viWidth++)
{
for (int viHeight = 0; viHeight < VIRectangleHeight; viHeight++)
{
bool bit = versionInfo[viIndex];
viIndex--;
for (int viWidth = 0; viWidth < VIRectangleWidth; viWidth++)
{
for (int viHeight = 0; viHeight < VIRectangleHeight; viHeight++)
{
bool bit = versionInfo[viIndex];
viIndex--;
// Bottom left
tsMatrix[viWidth, (matrixWidth - shiftLength + viHeight), MatrixStatus.NoMask] = bit;
// Bottom left
tsMatrix[viWidth, (matrixWidth - shiftLength + viHeight), MatrixStatus.NoMask] = bit;
// Top right
tsMatrix[(matrixWidth - shiftLength + viHeight), viWidth, MatrixStatus.NoMask] = bit;
}
}
}
// Top right
tsMatrix[(matrixWidth - shiftLength + viHeight), viWidth, MatrixStatus.NoMask] = bit;
}
}
}
private static BitList VersionInfoBitList(int version)
{
BitList result = new()
{
{ version, LengthDataBits },
{ BCHCalculator.CalculateBCH(version, VersionBCHPoly), LengthECBits }
};
private static BitList VersionInfoBitList(int version)
{
BitList result = new()
{
{ version, LengthDataBits },
{ BCHCalculator.CalculateBCH(version, VersionBCHPoly), LengthECBits }
};
if (result.Count != (LengthECBits + LengthDataBits))
{
throw new Exception("Version Info creation error. Result is not 18 bits");
}
if (result.Count != (LengthECBits + LengthDataBits))
{
throw new Exception("Version Info creation error. Result is not 18 bits");
}
return result;
}
}
return result;
}
}