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 +1,48 @@
+using System;
+
+namespace Gma.QrCodeNet.Encoding.DataEncodation;
+
+public static class CharCountIndicatorTable
+{
+	/// <remarks>ISO/IEC 18004:2000 Table 3 Page 18</remarks>
+	public static int[] GetCharCountIndicatorSet()
+	{
+		return new int[] { 8, 16, 16 };
+	}
+
+	public static int GetBitCountInCharCountIndicator(int version)
+	{
+		int[] charCountIndicatorSet = GetCharCountIndicatorSet();
+		int versionGroup = GetVersionGroup(version);
+
+		return charCountIndicatorSet[versionGroup];
+	}
+
+	/// <summary>
+	/// Used to define length of the Character Count Indicator <see cref="GetBitCountInCharCountIndicator"/>
+	/// </summary>
+	/// <returns>Returns the 0 based index of the row from Chapter 8.4 Data encodation, Table 3 — Number of bits in Character Count Indicator. </returns>
+	private static int GetVersionGroup(int version)
+	{
+		if (version > 40)
+		{
+			throw new InvalidOperationException($"Unexpected version: {version}.");
+		}
+		else if (version >= 27)
+		{
+			return 2;
+		}
+		else if (version >= 10)
+		{
+			return 1;
+		}
+		else if (version > 0)
+		{
+			return 0;
+		}
+		else
+		{
+			throw new InvalidOperationException($"Unexpected version: {version}.");
+		}
+	}
+}