csharp/common/ByteMatrix.cs

   1 /*\r
   2 * Copyright 2008 ZXing authors\r
   3 *\r
   4 * Licensed under the Apache License, Version 2.0 (the "License");\r
   5 * you may not use this file except in compliance with the License.\r
   6 * You may obtain a copy of the License at\r
   7 *\r
   8 *      http://www.apache.org/licenses/LICENSE-2.0\r
   9 *\r
  10 * Unless required by applicable law or agreed to in writing, software\r
  11 * distributed under the License is distributed on an "AS IS" BASIS,\r
  12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13 * See the License for the specific language governing permissions and\r
  14 * limitations under the License.\r
  15 */\r
  16 using System;\r
  17 namespace com.google.zxing.common\r
  18 {\r
  19         \r
  20         /// <summary> A class which wraps a 2D array of bytes. The default usage is signed. If you want to use it as a\r
  21         /// unsigned container, it's up to you to do byteValue & 0xff at each location.\r
  22         /// \r
  23         /// JAVAPORT: The original code was a 2D array of ints, but since it only ever gets assigned\r
  24         /// -1, 0, and 1, I'm going to use less memory and go with bytes.\r
  25         /// \r
  26         /// </summary>\r
  27         /// <author>  dswitkin@google.com (Daniel Switkin)\r
  28         /// </author>\r
  29         /// <author>www.Redivivus.in (suraj.supekar@redivivus.in) - Ported from ZXING Java Source \r
  30         /// </author>\r
  31         public sealed class ByteMatrix\r
  32         {\r
  33                 public int Height\r
  34                 {\r
  35                         get\r
  36                         {\r
  37                                 return height;\r
  38                         }\r
  39                         \r
  40                 }\r
  41                 public int Width\r
  42                 {\r
  43                         get\r
  44                         {\r
  45                                 return width;\r
  46                         }\r
  47                         \r
  48                 }\r
  49                 public sbyte[][] Array\r
  50                 {\r
  51                         get\r
  52                         {\r
  53                                 return bytes;\r
  54                         }\r
  55                         \r
  56                 }\r
  57                 \r
  58                 //UPGRADE_NOTE: Final was removed from the declaration of 'bytes '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"\r
  59                 private sbyte[][] bytes;\r
  60                 //UPGRADE_NOTE: Final was removed from the declaration of 'width '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"\r
  61                 private int width;\r
  62                 //UPGRADE_NOTE: Final was removed from the declaration of 'height '. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1003'"\r
  63                 private int height;\r
  64                 \r
  65                 public ByteMatrix(int width, int height)\r
  66                 {\r
  67                         bytes = new sbyte[height][];\r
  68                         for (int i = 0; i < height; i++)\r
  69                         {\r
  70                                 bytes[i] = new sbyte[width];\r
  71                         }\r
  72                         this.width = width;\r
  73                         this.height = height;\r
  74                 }\r
  75                 \r
  76                 public sbyte get_Renamed(int x, int y)\r
  77                 {\r
  78                         return bytes[y][x];\r
  79                 }\r
  80                 \r
  81                 public void  set_Renamed(int x, int y, sbyte value_Renamed)\r
  82                 {\r
  83                         bytes[y][x] = value_Renamed;\r
  84                 }\r
  85                 \r
  86                 public void  set_Renamed(int x, int y, int value_Renamed)\r
  87                 {\r
  88                         bytes[y][x] = (sbyte) value_Renamed;\r
  89                 }\r
  90                 \r
  91                 public void  clear(sbyte value_Renamed)\r
  92                 {\r
  93                         for (int y = 0; y < height; ++y)\r
  94                         {\r
  95                                 for (int x = 0; x < width; ++x)\r
  96                                 {\r
  97                                         bytes[y][x] = value_Renamed;\r
  98                                 }\r
  99                         }\r
 100                 }\r
 101                 \r
 102                 public override System.String ToString()\r
 103                 {\r
 104                         System.Text.StringBuilder result = new System.Text.StringBuilder(2 * width * height + 2);\r
 105                         for (int y = 0; y < height; ++y)\r
 106                         {\r
 107                                 for (int x = 0; x < width; ++x)\r
 108                                 {\r
 109                                         switch (bytes[y][x])\r
 110                                         {\r
 111                                                 \r
 112                                                 case 0: \r
 113                                                         result.Append(" 0");\r
 114                                                         break;\r
 115                                                 \r
 116                                                 case 1: \r
 117                                                         result.Append(" 1");\r
 118                                                         break;\r
 119                                                 \r
 120                                                 default: \r
 121                                                         result.Append("  ");\r
 122                                                         break;\r
 123                                                 \r
 124                                         }\r
 125                                 }\r
 126                                 result.Append('\n');\r
 127                         }\r
 128                         return result.ToString();\r
 129                 }\r
 130         }\r
 131 }