ClassLibraryWeiBao/QR二维码/Masking/Scoring/MatrixScoreCalculator.cs

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using System.Linq;
using Gma.QrCodeNet.Encoding.Positioning;

namespace Gma.QrCodeNet.Encoding.Masking.Scoring
{
    internal static class MatrixScoreCalculator
    {
        internal static BitMatrix GetLowestPenaltyMatrix(this TriStateMatrix matrix, ErrorCorrectionLevel errorlevel)
        {
            PatternFactory patternFactory = new PatternFactory();
            int score = int.MaxValue;
            int tempScore;
            TriStateMatrix result = new TriStateMatrix(matrix.Width);
            TriStateMatrix triMatrix;
            foreach(Pattern pattern in patternFactory.AllPatterns())
            {
            	triMatrix = matrix.Apply(pattern, errorlevel);
            	tempScore = triMatrix.PenaltyScore();
            	if(tempScore < score)
            	{
            		score = tempScore;
            		result = triMatrix;
            	}
            }
            
            return result;
        }


        internal static int PenaltyScore(this BitMatrix matrix)
        {
            PenaltyFactory penaltyFactory = new PenaltyFactory();
            return
            	penaltyFactory
            	.AllRules()
            	.Sum(penalty => penalty.PenaltyCalculate(matrix));
        }
    }
}