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
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+using System;
+
+namespace Gma.QrCodeNet.Encoding.Masking.Scoring;
+
+/// <summary>
+/// ISO/IEC 18004:2000 Chapter 8.8.2 Page 52
+/// </summary>
+internal class Penalty4 : Penalty
+{
+	/// <summary>
+	/// Calculate penalty value for Fourth rule.
+	/// Perform O(n) search for available x modules
+	/// </summary>
+	internal override int PenaltyCalculate(BitMatrix matrix)
+	{
+		int width = matrix.Width;
+		int darkBitCount = 0;
+
+		for (int j = 0; j < width; j++)
+		{
+			for (int i = 0; i < width; i++)
+			{
+				if (matrix[i, j])
+				{
+					darkBitCount++;
+				}
+			}
+		}
+
+		int matrixCount = width * width;
+
+		double ratio = (double)darkBitCount / matrixCount;
+
+		return Math.Abs((int)((ratio * 100) - 50)) / 5 * 10;
+	}
+}