添加项目文件。

zxing.core/xx/pdf417/decoder/BarcodeValue.cs

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2013 ZXing authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System.Collections.Generic;
+
+namespace ZXing.PDF417.Internal
+{
+   /// <summary>
+   /// A Barcode Value for the PDF417 barcode.  
+   /// The scanner will iterate through the bitmatrix, 
+   /// and given the different methods or iterations 
+   /// will increment a given barcode value's confidence.
+   /// 
+   /// When done, this will return the values of highest confidence.
+   /// </summary>
+   /// <author>Guenther Grau</author>
+   public sealed class BarcodeValue
+   {
+      private readonly IDictionary<int, int> values = new Dictionary<int, int>();
+
+      /// <summary>
+      /// Incremenets the Confidence for a given value. (Adds an occurance of a value)
+      ///
+      /// </summary>
+      /// <param name="value">Value.</param>
+      public void setValue(int @value)
+      {
+         int confidence;
+         values.TryGetValue(@value, out confidence);
+         confidence++;
+         values[@value] = confidence;
+      }
+
+      /// <summary>
+      /// Determines the maximum occurrence of a set value and returns all values which were set with this occurrence.
+      /// </summary>
+      /// <returns>an array of int, containing the values with the highest occurrence, or null, if no value was set.</returns>
+      public int[] getValue()
+      {
+         int maxConfidence = -1;
+         List<int> result = new List<int>();
+         foreach (var entry in values)
+         {
+            if (entry.Value > maxConfidence)
+            {
+               maxConfidence = entry.Value;
+               result.Clear();
+               result.Add(entry.Key);
+            }
+            else if (entry.Value == maxConfidence)
+            {
+               result.Add(entry.Key);
+            }
+         }
+         return result.ToArray();
+      }
+
+      /// <summary>
+      /// Returns the confience value for a given barcode value
+      /// </summary>
+      /// <param name="barcodeValue">Barcode value.</param>
+      public int getConfidence(int barcodeValue)
+      {
+         return values.ContainsKey(barcodeValue) ? values[barcodeValue] : 0;
+      }
+   }
+}