2 * Copyright 2008 ZXing authors
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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16 namespace com.google.zxing.common
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20 using System.Collections;
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22 /// <summary> A class which wraps a 2D array of bytes. The default usage is signed. If you want to use it as a
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23 /// unsigned container, it's up to you to do byteValue & 0xff at each location.
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25 /// JAVAPORT: I'm not happy about the argument ordering throughout the file, as I always like to have
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26 /// the horizontal component first, but this is for compatibility with the C++ code. The original
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27 /// code was a 2D array of ints, but since it only ever gets assigned -1, 0, and 1, I'm going to use
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28 /// less memory and go with bytes.
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31 /// <author> dswitkin@google.com (Daniel Switkin)
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34 public sealed class CharacterSetECI : ECI
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36 private static Hashtable VALUE_TO_ECI=new Hashtable(29);
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37 /*static VALUE_TO_ECI = new Hashtable(29){
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38 // TODO figure out if these values are even right!
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39 addCharacterSet(0, "Cp437");
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40 addCharacterSet(1, "ISO8859_1");
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41 addCharacterSet(2, "Cp437");
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42 addCharacterSet(3, "ISO8859_1");
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43 addCharacterSet(4, "ISO8859_2");
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44 addCharacterSet(5, "ISO8859_3");
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45 addCharacterSet(6, "ISO8859_4");
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46 addCharacterSet(7, "ISO8859_5");
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47 addCharacterSet(8, "ISO8859_6");
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48 addCharacterSet(9, "ISO8859_7");
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49 addCharacterSet(10, "ISO8859_8");
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50 addCharacterSet(11, "ISO8859_9");
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51 addCharacterSet(12, "ISO8859_10");
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52 addCharacterSet(13, "ISO8859_11");
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53 addCharacterSet(15, "ISO8859_13");
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54 addCharacterSet(16, "ISO8859_14");
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55 addCharacterSet(17, "ISO8859_15");
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56 addCharacterSet(18, "ISO8859_16");
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57 addCharacterSet(20, "SJIS");
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60 private String encodingName;
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62 private CharacterSetECI(int value, String encodingName):base(value) {
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63 addCharacterSet(0, "Cp437");
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64 addCharacterSet(1, "ISO8859_1");
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65 addCharacterSet(2, "Cp437");
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66 addCharacterSet(3, "ISO8859_1");
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67 addCharacterSet(4, "ISO8859_2");
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68 addCharacterSet(5, "ISO8859_3");
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69 addCharacterSet(6, "ISO8859_4");
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70 addCharacterSet(7, "ISO8859_5");
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71 addCharacterSet(8, "ISO8859_6");
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72 addCharacterSet(9, "ISO8859_7");
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73 addCharacterSet(10, "ISO8859_8");
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74 addCharacterSet(11, "ISO8859_9");
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75 addCharacterSet(12, "ISO8859_10");
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76 addCharacterSet(13, "ISO8859_11");
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77 addCharacterSet(15, "ISO8859_13");
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78 addCharacterSet(16, "ISO8859_14");
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79 addCharacterSet(17, "ISO8859_15");
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80 addCharacterSet(18, "ISO8859_16");
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81 addCharacterSet(20, "SJIS");
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82 this.encodingName = encodingName;
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85 public String getEncodingName() {
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86 return encodingName;
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89 private static void addCharacterSet(int value, String encodingName) {
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90 VALUE_TO_ECI.Add(value, new CharacterSetECI(value, encodingName));
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93 public static CharacterSetECI getCharacterSetECIByValue(int value) {
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94 CharacterSetECI eci = (CharacterSetECI) VALUE_TO_ECI[value];
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96 throw new Exception("Unsupported value: " + value);
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