添加项目文件。

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

@@ -0,0 +1,97 @@
+/*
+ * 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.
+ */
+
+namespace ZXing.PDF417.Internal
+{
+   /// <summary>
+   /// A Codeword in the PDF417 barcode
+   /// </summary>
+   /// <author>Guenther Grau</author>
+   public sealed class Codeword
+   {
+      /// <summary>
+      /// Default value for the RowNumber (-1 being an invalid real number)
+      /// </summary>
+      private static readonly int BARCODE_ROW_UNKNOWN = -1;
+
+      public int StartX { get; private set; }
+      public int EndX { get; private set; }
+      public int Bucket { get; private set; }
+      public int Value { get; private set; }
+      public int RowNumber { get; set; }
+
+      /// <summary>
+      /// Initializes a new instance of the <see cref="ZXing.PDF417.Internal.Codeword"/> class.
+      /// </summary>
+      /// <param name="startX">Start x.</param>
+      /// <param name="endX">End x.</param>
+      /// <param name="bucket">Bucket.</param>
+      /// <param name="value">Value.</param>
+      public Codeword(int startX, int endX, int bucket, int value)
+      {
+         this.StartX = startX;
+         this.EndX = endX;
+         this.Bucket = bucket;
+         this.Value = value;
+         this.RowNumber = BARCODE_ROW_UNKNOWN;
+      }
+
+      /// <summary>
+      /// Gets the width.
+      /// </summary>
+      /// <value>The width.</value>
+      public int Width
+      {
+         get { return EndX - StartX; }
+      }
+
+      /// <summary>
+      /// Gets a value indicating whether this instance has valid row number.
+      /// </summary>
+      /// <value><c>true</c> if this instance has valid row number; otherwise, <c>false</c>.</value>
+      public bool HasValidRowNumber
+      {
+         get { return IsValidRowNumber(RowNumber); }
+      }
+
+      /// <summary>
+      /// Determines whether this instance is valid row number the specified rowNumber.
+      /// </summary>
+      /// <returns><c>true</c> if this instance is valid row number the specified rowNumber; otherwise, <c>false</c>.</returns>
+      /// <param name="rowNumber">Row number.</param>
+      public bool IsValidRowNumber(int rowNumber)
+      {
+         return rowNumber != BARCODE_ROW_UNKNOWN && Bucket == (rowNumber%3)*3;
+      }
+
+      /// <summary>
+      /// Sets the row number as the row's indicator column.
+      /// </summary>
+      public void setRowNumberAsRowIndicatorColumn()
+      {
+         this.RowNumber = (Value/30)*3 + Bucket/3;
+      }
+
+      /// <summary>
+      /// Returns a <see cref="System.String"/> that represents the current <see cref="ZXing.PDF417.Internal.Codeword"/>.
+      /// </summary>
+      /// <returns>A <see cref="System.String"/> that represents the current <see cref="ZXing.PDF417.Internal.Codeword"/>.</returns>
+      public override string ToString()
+      {
+         return RowNumber + "|" + Value;
+      }
+   }
+}