corrade-vassal – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * CVS identifier: |
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3 | * |
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4 | * $Id: ModuleSpec.java,v 1.24 2001/10/26 16:30:11 grosbois Exp $ |
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5 | * |
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6 | * Class: ModuleSpec |
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7 | * |
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8 | * Description: Generic class for storing module specs |
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9 | * |
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10 | * from WTFilterSpec (Diego Santa Cruz) |
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11 | * |
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12 | * COPYRIGHT: |
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13 | * |
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14 | * This software module was originally developed by Raphaël Grosbois and |
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15 | * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel |
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16 | * Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David |
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17 | * Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research |
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18 | * Centre France S.A) in the course of development of the JPEG2000 |
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19 | * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This |
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20 | * software module is an implementation of a part of the JPEG 2000 |
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21 | * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio |
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22 | * Systems AB and Canon Research Centre France S.A (collectively JJ2000 |
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23 | * Partners) agree not to assert against ISO/IEC and users of the JPEG |
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24 | * 2000 Standard (Users) any of their rights under the copyright, not |
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25 | * including other intellectual property rights, for this software module |
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26 | * with respect to the usage by ISO/IEC and Users of this software module |
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27 | * or modifications thereof for use in hardware or software products |
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28 | * claiming conformance to the JPEG 2000 Standard. Those intending to use |
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29 | * this software module in hardware or software products are advised that |
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30 | * their use may infringe existing patents. The original developers of |
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31 | * this software module, JJ2000 Partners and ISO/IEC assume no liability |
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32 | * for use of this software module or modifications thereof. No license |
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33 | * or right to this software module is granted for non JPEG 2000 Standard |
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34 | * conforming products. JJ2000 Partners have full right to use this |
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35 | * software module for his/her own purpose, assign or donate this |
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36 | * software module to any third party and to inhibit third parties from |
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37 | * using this software module for non JPEG 2000 Standard conforming |
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38 | * products. This copyright notice must be included in all copies or |
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39 | * derivative works of this software module. |
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40 | * |
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41 | * Copyright (c) 1999/2000 JJ2000 Partners. |
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42 | * */ |
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43 | using System; |
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44 | using CSJ2K.j2k.image; |
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45 | namespace CSJ2K.j2k |
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46 | { |
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47 | |||
48 | /// <summary> This generic class is used to handle values to be used by a module for each |
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49 | /// tile and component. It uses attribute to determine which value to use. It |
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50 | /// should be extended by each module needing this feature. |
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51 | /// |
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52 | /// This class might be used for values that are only tile specific or |
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53 | /// component specific but not both. |
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54 | /// |
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55 | /// <p>The attributes to use are defined by a hierarchy. The hierarchy is: |
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56 | /// |
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57 | /// <ul> |
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58 | /// <li> Tile and component specific attribute</li> |
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59 | /// <li> Tile specific default attribute</li> |
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60 | /// <li> Component main default attribute</li> |
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61 | /// <li> Main default attribute</li> |
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62 | /// </ul></p> |
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63 | /// |
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64 | /// </summary> |
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65 | public class ModuleSpec : System.ICloneable |
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66 | { |
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67 | virtual public ModuleSpec Copy |
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68 | { |
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69 | get |
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70 | { |
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71 | return (ModuleSpec) this.Clone(); |
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72 | } |
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73 | |||
74 | } |
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75 | |||
76 | /// <summary>The identifier for a specification module that applies only to |
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77 | /// components |
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78 | /// </summary> |
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79 | public const byte SPEC_TYPE_COMP = 0; |
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80 | |||
81 | /// <summary>The identifier for a specification module that applies only to tiles </summary> |
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82 | public const byte SPEC_TYPE_TILE = 1; |
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83 | |||
84 | /// <summary>The identifier for a specification module that applies both to tiles |
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85 | /// and components |
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86 | /// </summary> |
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87 | public const byte SPEC_TYPE_TILE_COMP = 2; |
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88 | |||
89 | /// <summary>The identifier for default specification </summary> |
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90 | public const byte SPEC_DEF = 0; |
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91 | |||
92 | /// <summary>The identifier for "component default" specification </summary> |
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93 | public const byte SPEC_COMP_DEF = 1; |
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94 | |||
95 | /// <summary>The identifier for "tile default" specification </summary> |
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96 | public const byte SPEC_TILE_DEF = 2; |
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97 | |||
98 | /// <summary>The identifier for a "tile-component" specification </summary> |
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99 | public const byte SPEC_TILE_COMP = 3; |
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100 | |||
101 | /// <summary>The type of the specification module </summary> |
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102 | protected internal int specType; |
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103 | |||
104 | /// <summary>The number of tiles </summary> |
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105 | protected internal int nTiles = 0; |
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106 | |||
107 | /// <summary>The number of components </summary> |
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108 | protected internal int nComp = 0; |
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109 | |||
110 | /// <summary>The spec type for each tile-component. The first index is the tile |
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111 | /// index, the second is the component index. |
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112 | /// </summary> |
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113 | protected internal byte[][] specValType; |
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114 | |||
115 | /// <summary>Default value for each tile-component </summary> |
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116 | protected internal System.Object def = null; |
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117 | |||
118 | /// <summary>The default value for each component. Null if no component |
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119 | /// specific value is defined |
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120 | /// </summary> |
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121 | protected internal System.Object[] compDef = null; |
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122 | |||
123 | /// <summary>The default value for each tile. Null if no tile specific value is |
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124 | /// defined |
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125 | /// </summary> |
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126 | protected internal System.Object[] tileDef = null; |
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127 | |||
128 | /// <summary>The specific value for each tile-component. Value of tile 16 component |
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129 | /// 3 is accessible through the hash value "t16c3". Null if no |
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130 | /// tile-component specific value is defined |
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131 | /// </summary> |
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132 | protected internal System.Collections.Hashtable tileCompVal; |
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133 | |||
134 | public virtual System.Object Clone() |
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135 | { |
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136 | ModuleSpec ms; |
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137 | try |
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138 | { |
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139 | ms = (ModuleSpec) base.MemberwiseClone(); |
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140 | } |
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141 | //UPGRADE_NOTE: Exception 'java.lang.CloneNotSupportedException' was converted to 'System.Exception' which has different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1100'" |
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142 | catch (System.Exception) |
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143 | { |
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144 | throw new System.ApplicationException("Error when cloning ModuleSpec instance"); |
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145 | } |
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146 | // Create a copy of the specValType array |
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147 | ms.specValType = new byte[nTiles][]; |
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148 | for (int i = 0; i < nTiles; i++) |
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149 | { |
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150 | ms.specValType[i] = new byte[nComp]; |
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151 | } |
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152 | for (int t = 0; t < nTiles; t++) |
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153 | { |
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154 | for (int c = 0; c < nComp; c++) |
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155 | { |
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156 | ms.specValType[t][c] = specValType[t][c]; |
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157 | } |
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158 | } |
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159 | // Create a copy of tileDef |
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160 | if (tileDef != null) |
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161 | { |
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162 | ms.tileDef = new System.Object[nTiles]; |
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163 | for (int t = 0; t < nTiles; t++) |
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164 | { |
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165 | ms.tileDef[t] = tileDef[t]; |
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166 | } |
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167 | } |
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168 | // Create a copy of tileCompVal |
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169 | if (tileCompVal != null) |
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170 | { |
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171 | ms.tileCompVal = System.Collections.Hashtable.Synchronized(new System.Collections.Hashtable()); |
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172 | System.String tmpKey; |
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173 | System.Object tmpVal; |
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174 | //UPGRADE_TODO: Method 'java.util.Enumeration.hasMoreElements' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationhasMoreElements'" |
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175 | for (System.Collections.IEnumerator e = tileCompVal.Keys.GetEnumerator(); e.MoveNext(); ) |
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176 | { |
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177 | //UPGRADE_TODO: Method 'java.util.Enumeration.nextElement' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationnextElement'" |
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178 | tmpKey = ((System.String) e.Current); |
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179 | tmpVal = tileCompVal[tmpKey]; |
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180 | ms.tileCompVal[tmpKey] = tmpVal; |
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181 | } |
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182 | } |
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183 | return ms; |
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184 | } |
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185 | |||
186 | /// <summary> Rotate the ModuleSpec instance by 90 degrees (this modifies only tile |
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187 | /// and tile-component specifications). |
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188 | /// |
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189 | /// </summary> |
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190 | /// <param name="nT">Number of tiles along horizontal and vertical axis after |
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191 | /// rotation. |
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192 | /// |
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193 | /// </param> |
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194 | public virtual void rotate90(Coord anT) |
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195 | { |
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196 | // Rotate specValType |
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197 | byte[][] tmpsvt = new byte[nTiles][]; |
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198 | int ax, ay; |
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199 | Coord bnT = new Coord(anT.y, anT.x); |
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200 | for (int by = 0; by < bnT.y; by++) |
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201 | { |
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202 | for (int bx = 0; bx < bnT.x; bx++) |
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203 | { |
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204 | ay = bx; |
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205 | ax = bnT.y - by - 1; |
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206 | tmpsvt[ay * anT.x + ax] = specValType[by * bnT.x + bx]; |
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207 | } |
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208 | } |
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209 | specValType = tmpsvt; |
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210 | |||
211 | // Rotate tileDef |
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212 | if (tileDef != null) |
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213 | { |
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214 | System.Object[] tmptd = new System.Object[nTiles]; |
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215 | for (int by = 0; by < bnT.y; by++) |
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216 | { |
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217 | for (int bx = 0; bx < bnT.x; bx++) |
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218 | { |
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219 | ay = bx; |
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220 | ax = bnT.y - by - 1; |
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221 | tmptd[ay * anT.x + ax] = tileDef[by * bnT.x + bx]; |
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222 | } |
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223 | } |
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224 | tileDef = tmptd; |
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225 | } |
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226 | |||
227 | // Rotate tileCompVal |
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228 | if (tileCompVal != null && tileCompVal.Count > 0) |
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229 | { |
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230 | System.Collections.Hashtable tmptcv = System.Collections.Hashtable.Synchronized(new System.Collections.Hashtable()); |
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231 | System.String tmpKey; |
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232 | System.Object tmpVal; |
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233 | int btIdx, atIdx; |
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234 | int i1, i2; |
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235 | int bx, by; |
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236 | //UPGRADE_TODO: Method 'java.util.Enumeration.hasMoreElements' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationhasMoreElements'" |
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237 | for (System.Collections.IEnumerator e = tileCompVal.Keys.GetEnumerator(); e.MoveNext(); ) |
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238 | { |
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239 | //UPGRADE_TODO: Method 'java.util.Enumeration.nextElement' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilEnumerationnextElement'" |
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240 | tmpKey = ((System.String) e.Current); |
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241 | tmpVal = tileCompVal[tmpKey]; |
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242 | i1 = tmpKey.IndexOf('t'); |
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243 | i2 = tmpKey.IndexOf('c'); |
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244 | btIdx = (System.Int32.Parse(tmpKey.Substring(i1 + 1, (i2) - (i1 + 1)))); |
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245 | bx = btIdx % bnT.x; |
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246 | by = btIdx / bnT.x; |
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247 | ay = bx; |
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248 | ax = bnT.y - by - 1; |
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249 | atIdx = ax + ay * anT.x; |
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250 | tmptcv["t" + atIdx + tmpKey.Substring(i2)] = tmpVal; |
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251 | } |
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252 | tileCompVal = tmptcv; |
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253 | } |
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254 | } |
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255 | |||
256 | /// <summary> Constructs a 'ModuleSpec' object, initializing all the components and |
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257 | /// tiles to the 'SPEC_DEF' spec val type, for the specified number of |
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258 | /// components and tiles. |
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259 | /// |
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260 | /// </summary> |
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261 | /// <param name="nt">The number of tiles |
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262 | /// |
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263 | /// </param> |
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264 | /// <param name="nc">The number of components |
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265 | /// |
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266 | /// </param> |
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267 | /// <param name="type">the type of the specification module i.e. tile specific, |
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268 | /// component specific or both. |
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269 | /// |
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270 | /// </param> |
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271 | public ModuleSpec(int nt, int nc, byte type) |
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272 | { |
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273 | nTiles = nt; |
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274 | nComp = nc; |
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275 | specValType = new byte[nt][]; |
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276 | for (int i = 0; i < nt; i++) |
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277 | { |
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278 | specValType[i] = new byte[nc]; |
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279 | } |
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280 | switch (type) |
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281 | { |
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282 | |||
283 | case SPEC_TYPE_TILE: |
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284 | specType = SPEC_TYPE_TILE; |
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285 | break; |
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286 | |||
287 | case SPEC_TYPE_COMP: |
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288 | specType = SPEC_TYPE_COMP; |
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289 | break; |
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290 | |||
291 | case SPEC_TYPE_TILE_COMP: |
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292 | specType = SPEC_TYPE_TILE_COMP; |
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293 | break; |
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294 | } |
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295 | } |
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296 | |||
297 | /// <summary> Sets default value for this module |
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298 | /// |
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299 | /// </summary> |
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300 | public virtual void setDefault(System.Object value_Renamed) |
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301 | { |
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302 | def = value_Renamed; |
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303 | } |
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304 | |||
305 | /// <summary> Gets default value for this module. |
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306 | /// |
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307 | /// </summary> |
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308 | /// <returns> The default value (Must be casted before use) |
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309 | /// |
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310 | /// </returns> |
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311 | public virtual System.Object getDefault() |
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312 | { |
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313 | return def; |
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314 | } |
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315 | |||
316 | /// <summary> Sets default value for specified component and specValType tag if |
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317 | /// allowed by its priority. |
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318 | /// |
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319 | /// </summary> |
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320 | /// <param name="c">Component index |
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321 | /// |
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322 | /// </param> |
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323 | public virtual void setCompDef(int c, System.Object value_Renamed) |
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324 | { |
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325 | if (specType == SPEC_TYPE_TILE) |
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326 | { |
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327 | //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Object.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'" |
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328 | System.String errMsg = "Option whose value is '" + value_Renamed + "' cannot be " + "specified for components as it is a 'tile only' specific " + "option"; |
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329 | throw new System.ApplicationException(errMsg); |
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330 | } |
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331 | if (compDef == null) |
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332 | { |
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333 | compDef = new System.Object[nComp]; |
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334 | } |
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335 | for (int i = 0; i < nTiles; i++) |
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336 | { |
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337 | if (specValType[i][c] < SPEC_COMP_DEF) |
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338 | { |
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339 | specValType[i][c] = SPEC_COMP_DEF; |
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340 | } |
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341 | } |
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342 | compDef[c] = value_Renamed; |
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343 | } |
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344 | |||
345 | /// <summary> Gets default value of the specified component. If no specification have |
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346 | /// been entered for this component, returns default value. |
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347 | /// |
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348 | /// </summary> |
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349 | /// <param name="c">Component index |
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350 | /// |
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351 | /// </param> |
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352 | /// <returns> The default value for this component (Must be casted before |
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353 | /// use) |
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354 | /// |
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355 | /// </returns> |
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356 | /// <seealso cref="setCompDef"> |
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357 | /// |
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358 | /// </seealso> |
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359 | public virtual System.Object getCompDef(int c) |
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360 | { |
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361 | if (specType == SPEC_TYPE_TILE) |
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362 | { |
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363 | throw new System.ApplicationException("Illegal use of ModuleSpec class"); |
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364 | } |
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365 | if (compDef == null || compDef[c] == null) |
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366 | { |
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367 | return getDefault(); |
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368 | } |
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369 | else |
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370 | { |
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371 | return compDef[c]; |
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372 | } |
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373 | } |
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374 | |||
375 | /// <summary> Sets default value for specified tile and specValType tag if allowed by |
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376 | /// its priority. |
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377 | /// |
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378 | /// </summary> |
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379 | /// <param name="c">Tile index. |
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380 | /// |
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381 | /// </param> |
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382 | public virtual void setTileDef(int t, System.Object value_Renamed) |
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383 | { |
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384 | if (specType == SPEC_TYPE_COMP) |
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385 | { |
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386 | //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Object.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'" |
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387 | System.String errMsg = "Option whose value is '" + value_Renamed + "' cannot be " + "specified for tiles as it is a 'component only' specific " + "option"; |
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388 | throw new System.ApplicationException(errMsg); |
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389 | } |
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390 | if (tileDef == null) |
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391 | { |
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392 | tileDef = new System.Object[nTiles]; |
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393 | } |
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394 | for (int i = 0; i < nComp; i++) |
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395 | { |
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396 | if (specValType[t][i] < SPEC_TILE_DEF) |
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397 | { |
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398 | specValType[t][i] = SPEC_TILE_DEF; |
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399 | } |
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400 | } |
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401 | tileDef[t] = value_Renamed; |
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402 | } |
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403 | |||
404 | /// <summary> Gets default value of the specified tile. If no specification has been |
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405 | /// entered, it returns the default value. |
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406 | /// |
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407 | /// </summary> |
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408 | /// <param name="t">Tile index |
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409 | /// |
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410 | /// </param> |
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411 | /// <returns> The default value for this tile (Must be casted before use) |
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412 | /// |
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413 | /// </returns> |
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414 | /// <seealso cref="setTileDef"> |
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415 | /// |
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416 | /// </seealso> |
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417 | public virtual System.Object getTileDef(int t) |
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418 | { |
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419 | if (specType == SPEC_TYPE_COMP) |
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420 | { |
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421 | throw new System.ApplicationException("Illegal use of ModuleSpec class"); |
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422 | } |
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423 | if (tileDef == null || tileDef[t] == null) |
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424 | { |
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425 | return getDefault(); |
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426 | } |
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427 | else |
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428 | { |
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429 | return tileDef[t]; |
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430 | } |
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431 | } |
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432 | |||
433 | /// <summary> Sets value for specified tile-component. |
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434 | /// |
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435 | /// </summary> |
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436 | /// <param name="t">Tie index |
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437 | /// |
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438 | /// </param> |
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439 | /// <param name="c">Component index |
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440 | /// |
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441 | /// </param> |
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442 | public virtual void setTileCompVal(int t, int c, System.Object value_Renamed) |
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443 | { |
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444 | if (specType != SPEC_TYPE_TILE_COMP) |
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445 | { |
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446 | //UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Object.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'" |
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447 | System.String errMsg = "Option whose value is '" + value_Renamed + "' cannot be " + "specified for "; |
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448 | switch (specType) |
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449 | { |
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450 | |||
451 | case SPEC_TYPE_TILE: |
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452 | errMsg += "components as it is a 'tile only' specific option"; |
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453 | break; |
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454 | |||
455 | case SPEC_TYPE_COMP: |
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456 | errMsg += "tiles as it is a 'component only' specific option"; |
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457 | break; |
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458 | } |
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459 | throw new System.ApplicationException(errMsg); |
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460 | } |
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461 | if (tileCompVal == null) |
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462 | tileCompVal = System.Collections.Hashtable.Synchronized(new System.Collections.Hashtable()); |
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463 | specValType[t][c] = SPEC_TILE_COMP; |
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464 | tileCompVal["t" + t + "c" + c] = value_Renamed; |
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465 | } |
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466 | |||
467 | /// <summary> Gets value of specified tile-component. This method calls getSpec but |
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468 | /// has a public access. |
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469 | /// |
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470 | /// </summary> |
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471 | /// <param name="t">Tile index |
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472 | /// |
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473 | /// </param> |
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474 | /// <param name="c">Component index |
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475 | /// |
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476 | /// </param> |
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477 | /// <returns> The value of this tile-component (Must be casted before use) |
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478 | /// |
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479 | /// </returns> |
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480 | /// <seealso cref="setTileCompVal"> |
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481 | /// |
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482 | /// </seealso> |
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483 | /// <seealso cref="getSpec"> |
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484 | /// |
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485 | /// </seealso> |
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486 | public virtual System.Object getTileCompVal(int t, int c) |
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487 | { |
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488 | if (specType != SPEC_TYPE_TILE_COMP) |
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489 | { |
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490 | throw new System.ApplicationException("Illegal use of ModuleSpec class"); |
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491 | } |
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492 | return getSpec(t, c); |
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493 | } |
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494 | |||
495 | /// <summary> Gets value of specified tile-component without knowing if a specific |
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496 | /// tile-component value has been previously entered. It first check if a |
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497 | /// tile-component specific value has been entered, then if a tile specific |
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498 | /// value exist, then if a component specific value exist. If not the |
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499 | /// default value is returned. |
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500 | /// |
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501 | /// </summary> |
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502 | /// <param name="t">Tile index |
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503 | /// |
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504 | /// </param> |
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505 | /// <param name="c">Component index |
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506 | /// |
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507 | /// </param> |
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508 | /// <returns> Value for this tile component. |
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509 | /// |
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510 | /// </returns> |
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511 | protected internal virtual System.Object getSpec(int t, int c) |
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512 | { |
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513 | switch (specValType[t][c]) |
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514 | { |
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515 | |||
516 | case SPEC_DEF: |
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517 | return getDefault(); |
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518 | |||
519 | case SPEC_COMP_DEF: |
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520 | return getCompDef(c); |
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521 | |||
522 | case SPEC_TILE_DEF: |
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523 | return getTileDef(t); |
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524 | |||
525 | case SPEC_TILE_COMP: |
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526 | return tileCompVal["t" + t + "c" + c]; |
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527 | |||
528 | default: |
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529 | throw new System.ArgumentException("Not recognized spec type"); |
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530 | |||
531 | } |
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532 | } |
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533 | |||
534 | /// <summary> Return the spec type of the given tile-component. |
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535 | /// |
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536 | /// </summary> |
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537 | /// <param name="t">Tile index |
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538 | /// |
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539 | /// </param> |
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540 | /// <param name="c">Component index |
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541 | /// |
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542 | /// </param> |
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543 | public virtual byte getSpecValType(int t, int c) |
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544 | { |
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545 | return specValType[t][c]; |
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546 | } |
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547 | |||
548 | /// <summary> Whether or not specifications have been entered for the given |
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549 | /// component. |
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550 | /// |
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551 | /// </summary> |
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552 | /// <param name="c">Index of the component |
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553 | /// |
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554 | /// </param> |
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555 | /// <returns> True if component specification has been defined |
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556 | /// |
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557 | /// </returns> |
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558 | public virtual bool isCompSpecified(int c) |
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559 | { |
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560 | if (compDef == null || compDef[c] == null) |
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561 | { |
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562 | return false; |
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563 | } |
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564 | else |
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565 | { |
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566 | return true; |
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567 | } |
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568 | } |
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569 | |||
570 | /// <summary> Whether or not specifications have been entered for the given tile. |
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571 | /// |
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572 | /// </summary> |
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573 | /// <param name="t">Index of the tile |
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574 | /// |
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575 | /// </param> |
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576 | /// <returns> True if tile specification has been entered |
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577 | /// |
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578 | /// </returns> |
||
579 | public virtual bool isTileSpecified(int t) |
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580 | { |
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581 | if (tileDef == null || tileDef[t] == null) |
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582 | { |
||
583 | return false; |
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584 | } |
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585 | else |
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586 | { |
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587 | return true; |
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588 | } |
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589 | } |
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590 | |||
591 | /// <summary> Whether or not a tile-component specification has been defined |
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592 | /// |
||
593 | /// </summary> |
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594 | /// <param name="t">Tile index |
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595 | /// |
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596 | /// </param> |
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597 | /// <param name="c">Component index |
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598 | /// |
||
599 | /// </param> |
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600 | /// <returns> True if a tile-component specification has been defined. |
||
601 | /// |
||
602 | /// </returns> |
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603 | public virtual bool isTileCompSpecified(int t, int c) |
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604 | { |
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605 | if (tileCompVal == null || tileCompVal["t" + t + "c" + c] == null) |
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606 | { |
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607 | return false; |
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608 | } |
||
609 | else |
||
610 | { |
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611 | return true; |
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612 | } |
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613 | } |
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614 | |||
615 | /// <summary> This method is responsible of parsing tile indexes set and component |
||
616 | /// indexes set for an option. Such an argument must follow the following |
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617 | /// policy:<br> |
||
618 | /// |
||
619 | /// <tt>t<indexes set></tt> or <tt>c<indexes set></tt> where |
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620 | /// tile or component indexes are separated by commas or a dashes. |
||
621 | /// |
||
622 | /// <p><u>Example:</u><br> |
||
623 | /// <li> <tt>t0,3,4</tt> means tiles with indexes 0, 3 and 4.<br> |
||
624 | /// <li> <tt>t2-4</tt> means tiles with indexes 2,3 and 4.<br> |
||
625 | /// |
||
626 | /// It returns a boolean array skteching which tile or component are |
||
627 | /// concerned by the next parameters. |
||
628 | /// |
||
629 | /// </summary> |
||
630 | /// <param name="word">The word to parse. |
||
631 | /// |
||
632 | /// </param> |
||
633 | /// <param name="maxIdx">Maximum authorized index |
||
634 | /// |
||
635 | /// </param> |
||
636 | /// <returns> Indexes concerned by this parameter. |
||
637 | /// |
||
638 | /// </returns> |
||
639 | public static bool[] parseIdx(System.String word, int maxIdx) |
||
640 | { |
||
641 | int nChar = word.Length; // Number of characters |
||
642 | char c = word[0]; // current character |
||
643 | int idx = - 1; // Current (tile or component) index |
||
644 | int lastIdx = - 1; // Last (tile or component) index |
||
645 | bool isDash = false; // Whether or not last separator was a dash |
||
646 | |||
647 | bool[] idxSet = new bool[maxIdx]; |
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648 | int i = 1; // index of the current character |
||
649 | |||
650 | while (i < nChar) |
||
651 | { |
||
652 | c = word[i]; |
||
653 | if (System.Char.IsDigit(c)) |
||
654 | { |
||
655 | if (idx == - 1) |
||
656 | { |
||
657 | idx = 0; |
||
658 | } |
||
659 | idx = idx * 10 + (c - '0'); |
||
660 | } |
||
661 | else |
||
662 | { |
||
663 | if (idx == - 1 || (c != ',' && c != '-')) |
||
664 | { |
||
665 | throw new System.ArgumentException("Bad construction for " + "parameter: " + word); |
||
666 | } |
||
667 | if (idx < 0 || idx >= maxIdx) |
||
668 | { |
||
669 | throw new System.ArgumentException("Out of range index " + "in " + "parameter `" + word + "' : " + idx); |
||
670 | } |
||
671 | |||
672 | // Found a comma |
||
673 | if (c == ',') |
||
674 | { |
||
675 | if (isDash) |
||
676 | { |
||
677 | // Previously found a dash, fill idxSet |
||
678 | for (int j = lastIdx + 1; j < idx; j++) |
||
679 | { |
||
680 | idxSet[j] = true; |
||
681 | } |
||
682 | } |
||
683 | isDash = false; |
||
684 | } |
||
685 | else |
||
686 | { |
||
687 | // Found a dash |
||
688 | isDash = true; |
||
689 | } |
||
690 | |||
691 | // Udate idxSet |
||
692 | idxSet[idx] = true; |
||
693 | lastIdx = idx; |
||
694 | idx = - 1; |
||
695 | } |
||
696 | i++; |
||
697 | } |
||
698 | |||
699 | // Process last found index |
||
700 | if (idx < 0 || idx >= maxIdx) |
||
701 | { |
||
702 | throw new System.ArgumentException("Out of range index in " + "parameter `" + word + "' : " + idx); |
||
703 | } |
||
704 | if (isDash) |
||
705 | { |
||
706 | for (int j = lastIdx + 1; j < idx; j++) |
||
707 | { |
||
708 | idxSet[j] = true; |
||
709 | } |
||
710 | } |
||
711 | idxSet[idx] = true; |
||
712 | |||
713 | return idxSet; |
||
714 | } |
||
715 | } |
||
716 | } |