Toolkit.UI.Controls.Avalonia

2024-04-13 11:41:33 +01:00
parent 62a7e94e19
commit 862e7b2e34
97 changed files with 8558 additions and 0 deletions
@@ -0,0 +1,62 @@
+using System;
+using Gma.QrCodeNet.Encoding.DataEncodation.InputRecognition;
+using Gma.QrCodeNet.Encoding.Terminate;
+using Gma.QrCodeNet.Encoding.Versions;
+
+namespace Gma.QrCodeNet.Encoding.DataEncodation;
+
+/// <remarks>ISO/IEC 18004:2000 Chapter 8.1 Page 14
+/// DataEncode is combination of Data analysis and Data encodation step.
+/// Which uses sub functions under several different namespaces</remarks>
+internal static class DataEncode
+{
+	internal static EncodationStruct Encode(string content, ErrorCorrectionLevel ecLevel)
+	{
+		RecognitionStruct recognitionResult = InputRecognise.Recognise(content);
+		EncoderBase encoderBase = CreateEncoder(recognitionResult.EncodingName);
+
+		BitList encodeContent = encoderBase.GetDataBits(content);
+
+		int encodeContentLength = encodeContent.Count;
+
+		VersionControlStruct vcStruct =
+			VersionControl.InitialSetup(encodeContentLength, ecLevel, recognitionResult.EncodingName);
+
+		BitList dataCodewords = new();
+
+		// Eci header
+		if (vcStruct.IsContainECI && vcStruct.ECIHeader is { })
+		{
+			dataCodewords.Add(vcStruct.ECIHeader);
+		}
+
+		// Header
+		dataCodewords.Add(encoderBase.GetModeIndicator());
+		int numLetter = encodeContentLength >> 3;
+		dataCodewords.Add(encoderBase.GetCharCountIndicator(numLetter, vcStruct.VersionDetail.Version));
+
+		// Data
+		dataCodewords.Add(encodeContent);
+
+		// Terminator Padding
+		dataCodewords.TerminateBites(dataCodewords.Count, vcStruct.VersionDetail.NumDataBytes);
+
+		int dataCodewordsCount = dataCodewords.Count;
+		if ((dataCodewordsCount & 0x7) != 0)
+		{
+			throw new ArgumentException($"{nameof(dataCodewords)} is not byte sized.");
+		}
+		else if (dataCodewordsCount >> 3 != vcStruct.VersionDetail.NumDataBytes)
+		{
+			throw new ArgumentException($"{nameof(dataCodewords)} num of bytes not equal to {nameof(vcStruct.VersionDetail.NumDataBytes)} for current version");
+		}
+
+		var encStruct = new EncodationStruct(vcStruct, dataCodewords);
+		return encStruct;
+	}
+
+	private static EncoderBase CreateEncoder(string encodingName)
+	{
+		return new EightBitByteEncoder(encodingName);
+	}
+}