1 | ///
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2 | /// This file is part of ILNumerics Community Edition.
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3 | ///
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4 | /// ILNumerics Community Edition - high performance computing for applications.
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5 | /// Copyright (C) 2006 - 2012 Haymo Kutschbach, http://ilnumerics.net
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6 | ///
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7 | /// ILNumerics Community Edition is free software: you can redistribute it and/or modify
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8 | /// it under the terms of the GNU General Public License version 3 as published by
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9 | /// the Free Software Foundation.
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10 | ///
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11 | /// ILNumerics Community Edition is distributed in the hope that it will be useful,
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12 | /// but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | /// GNU General Public License for more details.
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15 | ///
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16 | /// You should have received a copy of the GNU General Public License
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17 | /// along with ILNumerics Community Edition. See the file License.txt in the root
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18 | /// of your distribution package. If not, see <http://www.gnu.org/licenses/>.
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19 | ///
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20 | /// In addition this software uses the following components and/or licenses:
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21 | ///
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22 | /// =================================================================================
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23 | /// The Open Toolkit Library License
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24 | ///
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25 | /// Copyright (c) 2006 - 2009 the Open Toolkit library.
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26 | ///
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27 | /// Permission is hereby granted, free of charge, to any person obtaining a copy
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28 | /// of this software and associated documentation files (the "Software"), to deal
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29 | /// in the Software without restriction, including without limitation the rights to
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30 | /// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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31 | /// the Software, and to permit persons to whom the Software is furnished to do
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32 | /// so, subject to the following conditions:
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33 | ///
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34 | /// The above copyright notice and this permission notice shall be included in all
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35 | /// copies or substantial portions of the Software.
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36 | ///
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37 | /// =================================================================================
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38 | ///
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39 |
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40 | using System; |
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41 | using System.Text; |
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42 | using System.Drawing; |
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43 | using System.Collections.Generic; |
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44 | using ILNumerics.Drawing; |
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45 | using ILNumerics.Drawing.Interfaces; |
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46 | |
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47 | namespace ILNumerics.Drawing.Labeling { |
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48 | /// <summary> |
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49 | /// Simple, (partial) tex symbol interpreter |
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50 | /// </summary> |
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51 | /// <remarks>this is the default interpreter for all ILLabelingElements</remarks> |
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52 | public class ILSimpleTexInterpreter : ILSimpleInterpreter { |
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53 | |
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54 | #region attributes |
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55 | public static readonly ILKeywords Keywords = new ILKeywords(); |
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56 | #endregion |
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57 | |
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58 | #region constructor |
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59 | |
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60 | /// <summary> |
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61 | /// create a new instance of a simple text interpreter |
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62 | /// </summary> |
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63 | public ILSimpleTexInterpreter () : base () { } |
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64 | |
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65 | #endregion |
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66 | |
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67 | #region helper functions |
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68 | |
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69 | protected override void parseString (string expression, Font font, Point offset, Color color, |
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70 | IILTextRenderer renderer, ref Size size, |
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71 | ref List<ILRenderQueueItem> queue) { |
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72 | int pos = 0; |
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73 | string key, itemText; |
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74 | RectangleF bmpSize = new RectangleF(); |
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75 | int curHeigth = 0, curWidth = 0; |
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76 | Bitmap itemBMP = null; |
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77 | int lineHeight = 0, lineWidth = 0; |
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78 | Size itemSize = Size.Empty; |
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79 | while (pos < expression.Length) { |
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80 | itemText = expression.Substring(pos++,1); |
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81 | #region special position control sequences |
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82 | if (itemText == "\r") { |
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83 | queue.Add(new ILRenderQueueItem(itemText,0,0, color)); |
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84 | if (curWidth < lineWidth) |
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85 | curWidth = lineWidth; |
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86 | lineWidth = 0; |
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87 | continue; |
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88 | } else if (itemText == "\n") { |
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89 | queue.Add(new ILRenderQueueItem(itemText,0,0, color)); |
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90 | curHeigth += lineHeight; |
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91 | lineHeight = 0; |
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92 | if (curWidth < lineWidth) |
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93 | curWidth = lineWidth; |
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94 | lineWidth = 0; |
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95 | continue; |
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96 | #endregion |
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97 | } else if (itemText == "\\") { |
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98 | #region font control |
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99 | if (pos < expression.Length - 2) { |
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100 | #region test for font control sequences: \it,\bf,\rm |
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101 | if (expression[pos] == 'i' && expression[pos+1] == 't') { |
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102 | font = new Font(font,font.Style | FontStyle.Italic); |
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103 | pos += 2; continue; |
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104 | } else if (expression[pos] == 'b' && expression[pos+1] == 'f') { |
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105 | font = new Font(font,font.Style | FontStyle.Bold); |
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106 | pos += 2; continue; |
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107 | } else if (expression[pos] == 'r' && expression[pos+1] == 'm') { |
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108 | font = new Font(font,FontStyle.Regular); |
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109 | pos += 2; continue; |
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110 | } |
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111 | #endregion |
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112 | #region fontname,-size,-color |
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113 | if (parseKeyword(expression,ref pos,Keywords.Reset)) { |
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114 | color = Color.Empty; |
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115 | font = m_normalFont; |
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116 | offset = new Point(0,0); |
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117 | continue; |
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118 | } |
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119 | string parameter = ""; |
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120 | if (parseKeywordArgumented(expression,ref pos,Keywords.Fontname,ref parameter)) { |
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121 | font = new Font(parameter,font.Size,font.Style,font.Unit); |
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122 | continue; |
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123 | } |
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124 | if (parseKeywordArgumented(expression,ref pos,Keywords.Fontsize,ref parameter)) { |
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125 | int newSize; |
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126 | if (!int.TryParse(parameter,out newSize)) |
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127 | continue; |
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128 | if (parameter.StartsWith("+") && newSize > 0 ) { |
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129 | newSize += (int)font.Size; |
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130 | if (newSize > 40) newSize = 40; |
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131 | } else if (parameter.StartsWith("-") && -newSize < font.Size) { |
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132 | newSize = (int)font.Size + newSize; |
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133 | } |
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134 | if (newSize > 0 && newSize < 40) { |
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135 | offset.Y += (int)Math.Round(font.Size - newSize); |
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136 | font = new Font(font.Name,newSize,font.Style,font.Unit); |
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137 | } |
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138 | continue; |
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139 | } |
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140 | if (parseKeywordArgumented(expression,ref pos,Keywords.Color,ref parameter)) { |
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141 | parseColor(parameter, ref color); |
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142 | continue; |
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143 | } |
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144 | #endregion |
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145 | } |
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146 | #endregion |
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147 | //if (pos < expression.Length - "size".Length) |
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148 | #region handle predefined symbols |
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149 | TextSymbols symbol = matchSymbol(expression,ref pos); |
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150 | if (symbol != TextSymbols.nothing) { |
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151 | itemText = TranslateSymbol(symbol); |
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152 | if (String.IsNullOrEmpty (itemText)) continue; |
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153 | } |
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154 | #endregion |
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155 | #region lower- upper indices |
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156 | } else if (pos < expression.Length && itemText == "_") { |
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157 | int end; |
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158 | if (pos < expression.Length-1 && expression[pos] == '{') { |
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159 | pos ++; |
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160 | // find end brace & remove |
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161 | end = expression.IndexOf('}',pos)-1; |
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162 | if (end > 0 && end < expression.Length) { |
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163 | parseString( |
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164 | expression.Substring(pos,end-pos+1), |
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165 | new Font(font.Name,font.Size * 0.7f,font.Style,font.Unit), |
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166 | new Point(offset.X,offset.Y + (int)(0.3f * font.Height)), |
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167 | color, renderer, ref size, ref queue); |
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168 | pos = end+2; |
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169 | continue; |
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170 | } |
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171 | } |
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172 | // cache next char only |
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173 | parseString( |
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174 | expression.Substring(pos++,1), |
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175 | new Font(font.Name,font.Size * 0.7f,font.Style,font.Unit), |
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176 | new Point(offset.X,offset.Y + (int)(0.3f * font.Height)), |
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177 | color, renderer, ref size, ref queue); |
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178 | continue; |
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179 | } else if (pos < expression.Length && itemText == "^") { |
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180 | int end; |
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181 | //offset.Y += 0.8f * font.Height; |
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182 | if (pos < expression.Length-1 && expression[pos] == '{') { |
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183 | pos ++; |
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184 | // find end brace & remove |
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185 | end = expression.IndexOf('}',pos)-1; |
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186 | if (end > 0 && end < expression.Length) { |
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187 | parseString( |
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188 | expression.Substring(pos,end-pos+1), |
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189 | new Font(font.Name,font.Size * 0.7f,font.Style,font.Unit), |
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190 | new Point(offset.X,offset.Y - (int)(0.2f * font.Height)), |
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191 | color, renderer, ref size, ref queue); |
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192 | pos = end+2; |
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193 | continue; |
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194 | } |
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195 | } |
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196 | // cache next char only |
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197 | parseString( |
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198 | expression.Substring(pos++,1), |
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199 | new Font(font.Name,font.Size * 0.7f,font.Style,font.Unit), |
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200 | new Point(offset.X,offset.Y - (int)(0.2f * font.Height)) |
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201 | ,color, renderer, ref size, ref queue); |
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202 | continue; |
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203 | #endregion |
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204 | } |
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205 | key = ILHashCreator.Hash(font,itemText); |
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206 | |
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207 | if (renderer.TryGetSize(key, ref itemSize)) { |
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208 | queue.Add(new ILRenderQueueItem(key,offset,color)); |
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209 | if (itemSize.Height > lineHeight) lineHeight = itemSize.Height; |
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210 | lineWidth += (int)itemSize.Width; |
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211 | } else { |
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212 | lock (this) { |
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213 | itemBMP = transformItem(itemText,font,out bmpSize); |
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214 | renderer.Cache(key,itemBMP,bmpSize); |
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215 | queue.Add(new ILRenderQueueItem(key,offset,color)); |
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216 | // update size |
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217 | if (bmpSize.Height > lineHeight) |
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218 | lineHeight = (int)bmpSize.Height; |
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219 | lineWidth += (int)bmpSize.Width; |
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220 | } |
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221 | } |
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222 | } |
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223 | size.Width += ((curWidth>lineWidth)?curWidth:lineWidth); |
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224 | size.Height = curHeigth + lineHeight; |
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225 | } |
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226 | |
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227 | private bool parseKeyword(string text, ref int pos, string keyword) { |
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228 | if (pos < text.Length - keyword.Length |
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229 | && text.Substring(pos,keyword.Length) == keyword) { |
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230 | pos += keyword.Length; |
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231 | return true; |
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232 | } |
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233 | return false; |
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234 | } |
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235 | |
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236 | private void parseColor(string parameter, ref Color color) { |
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237 | if (!String.IsNullOrEmpty(parameter) && parameter[0] == '#') { |
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238 | // try to parse for rgb value. Format: #D2E540 |
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239 | if (parameter.Length == 7) { |
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240 | IFormatProvider format = System.Threading.Thread.CurrentThread.CurrentCulture; |
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241 | byte r,g,b; |
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242 | // R - value |
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243 | if (!byte.TryParse(parameter.Substring(1,2), |
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244 | System.Globalization.NumberStyles.HexNumber, |
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245 | format,out r)) return; |
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246 | // G - value |
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247 | if (!byte.TryParse(parameter.Substring(3,2), |
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248 | System.Globalization.NumberStyles.HexNumber, |
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249 | format,out g)) return; |
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250 | // B - value |
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251 | if (!byte.TryParse(parameter.Substring(5,2), |
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252 | System.Globalization.NumberStyles.HexNumber, |
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253 | format,out b)) return; |
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254 | color = Color.FromArgb(r,g,b); |
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255 | } |
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256 | } else { |
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257 | // try to parse for known color name |
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258 | try { |
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259 | color = Color.FromName(parameter); |
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260 | } catch {} |
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261 | } |
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262 | } |
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263 | private bool parseKeywordArgumented(string text, ref int pos, string keyword, ref string parameter) { |
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264 | int tmpPos = pos; |
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265 | if (pos < text.Length - keyword.Length |
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266 | && text.Substring(pos,keyword.Length) == keyword) { |
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267 | tmpPos = pos+keyword.Length; |
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268 | if (text[tmpPos] != '{' |
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269 | || tmpPos == text.Length-1) return false; |
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270 | int end = text.IndexOf('}',++tmpPos); |
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271 | if (end < tmpPos) return false; |
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272 | parameter = text.Substring(tmpPos,end-tmpPos).Trim(); |
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273 | pos = end + 1; |
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274 | return true; |
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275 | } |
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276 | return false; |
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277 | } |
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278 | /// <summary> |
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279 | /// extract TextSymbol from text |
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280 | /// </summary> |
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281 | /// <param name="text">text to extract symbol from</param> |
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282 | /// <param name="pos">current text character position</param> |
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283 | /// <returns>one of TextSymbol enumeration values</returns> |
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284 | /// <remarks>if one symbol was found, its enum representation is |
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285 | /// returned and pos is increased by the corresponding number of |
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286 | /// characters. If no matching symbol was found, pos is not altered |
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287 | /// and TextSymbols.nothing will be returned.</remarks> |
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288 | internal static TextSymbols matchSymbol (string text, ref int pos) { |
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289 | foreach (string sym in Enum.GetNames(typeof(TextSymbols))) { |
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290 | if (pos <= text.Length - sym.Length) { |
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291 | if (text.Substring(pos,sym.Length) != sym) { |
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292 | continue; |
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293 | } |
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294 | if (sym == "nothing") continue; |
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295 | pos += sym.Length; |
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296 | return (TextSymbols)Enum.Parse(typeof(TextSymbols),sym); |
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297 | } |
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298 | } |
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299 | return TextSymbols.nothing; |
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300 | } |
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301 | /// <summary> |
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302 | /// translates TextSymbol enum value to unicode character |
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303 | /// </summary> |
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304 | /// <param name="symbol">enum representation</param> |
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305 | /// <returns>unicode character</returns> |
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306 | /// <remarks>refers to: http://www.decodeunicode.org/ (e.g.)</remarks> |
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307 | public static string TranslateSymbol (TextSymbols symbol) { |
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308 | #region symbol matching |
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309 | switch (symbol) { |
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310 | case TextSymbols.alpha: |
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311 | return "α"; |
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312 | case TextSymbols.beta: |
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313 | return "β"; |
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314 | case TextSymbols.gamma: |
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315 | return "γ"; |
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316 | case TextSymbols.delta: |
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317 | return "ÎŽ"; |
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318 | case TextSymbols.epsilon: |
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319 | return "ε"; |
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320 | case TextSymbols.zeta: |
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321 | return "ζ"; |
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322 | case TextSymbols.eta: |
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323 | return "η"; |
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324 | case TextSymbols.theta: |
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325 | return "Ξ"; |
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326 | case TextSymbols.vartheta: |
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327 | return "\u03d1"; |
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328 | case TextSymbols.iota: |
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329 | return "ι"; |
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330 | case TextSymbols.kappa: |
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331 | return "κ"; |
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332 | case TextSymbols.lambda: |
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333 | return "λ"; |
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334 | case TextSymbols.mu: |
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335 | return "Ό"; |
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336 | case TextSymbols.nu: |
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337 | return "Μ"; |
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338 | case TextSymbols.xi: |
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339 | return "Ο"; |
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340 | case TextSymbols.pi: |
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341 | return "Ï"; |
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342 | case TextSymbols.rho: |
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343 | return "Ï"; |
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344 | case TextSymbols.sigma: |
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345 | return "Ï"; |
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346 | case TextSymbols.varsigma: |
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347 | return "Ï"; |
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348 | case TextSymbols.tau: |
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349 | return "Ï"; |
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350 | case TextSymbols.upsilon: |
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351 | return "Ï
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352 | case TextSymbols.phi: |
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353 | return "Ï"; |
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354 | case TextSymbols.chi: |
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355 | return "Ï"; |
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356 | case TextSymbols.psi: |
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357 | return "Ï"; |
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358 | case TextSymbols.omega: |
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359 | return "Ï"; |
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360 | case TextSymbols.Gamma: |
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361 | return "Î"; |
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362 | case TextSymbols.Delta: |
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363 | return "Î"; |
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364 | case TextSymbols.Theta: |
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365 | return "Î"; |
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366 | case TextSymbols.Lambda: |
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367 | return "Î"; |
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368 | case TextSymbols.Xi: |
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369 | return "Î"; |
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370 | case TextSymbols.Pi: |
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371 | return "\u03a0"; //"Î "; |
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372 | case TextSymbols.Sigma: |
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373 | return "Σ"; |
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374 | case TextSymbols.Upsilon: |
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375 | return "Î¥"; |
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376 | case TextSymbols.Phi: |
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377 | return "Ί"; |
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378 | case TextSymbols.Psi: |
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379 | return "Κ"; |
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380 | case TextSymbols.Omega: |
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381 | return "Ω"; |
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382 | case TextSymbols.forall: |
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383 | return "\u2200"; |
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384 | case TextSymbols.exists: |
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385 | return "\u2203"; |
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386 | case TextSymbols.ni: |
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387 | return "\u220b"; |
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388 | case TextSymbols.cong: |
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389 | return "\u2205"; |
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390 | case TextSymbols.neq: |
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391 | return "\u2260"; |
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392 | case TextSymbols.equiv: |
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393 | return "\u2261"; |
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394 | case TextSymbols.approx: |
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395 | return "\u2240"; |
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396 | case TextSymbols.aleph: |
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397 | return "\u2235"; |
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398 | case TextSymbols.Im: |
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399 | return "\u2111"; |
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400 | case TextSymbols.Re: |
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401 | return "\u211b"; |
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402 | case TextSymbols.wp: |
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403 | return "\u2118"; |
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404 | case TextSymbols.otimes: |
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405 | return "\u2297"; |
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406 | case TextSymbols.oplus: |
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407 | return "\u2295"; |
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408 | case TextSymbols.oslash: |
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409 | return "\u2205"; |
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410 | case TextSymbols.cap: |
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411 | return "\u22c2"; |
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412 | case TextSymbols.cup: |
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413 | return "\u22c3"; |
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414 | case TextSymbols.supseteq: |
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415 | return "\u2287"; |
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416 | case TextSymbols.supset: |
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417 | return "\u2283"; |
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418 | case TextSymbols.subseteq: |
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419 | return "\u2286"; |
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420 | case TextSymbols.subset: |
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421 | return "\u2282"; |
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422 | case TextSymbols.int_: |
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423 | return "\u222b"; |
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424 | case TextSymbols.in_: |
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425 | return "\u2208"; |
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426 | case TextSymbols.o: |
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427 | return "\u25cb"; |
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428 | case TextSymbols.rfloor: |
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429 | return "\u230b"; |
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430 | case TextSymbols.lceil: |
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431 | return "\u2308"; |
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432 | case TextSymbols.nabla: |
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433 | return "\u2207"; |
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434 | case TextSymbols.lfloor: |
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435 | return "\u230a"; |
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436 | case TextSymbols.cdot: |
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437 | return "\u2219"; |
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438 | case TextSymbols.ldots: |
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439 | return "\u2026"; |
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440 | case TextSymbols.cdots: |
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441 | return "\u220f"; |
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442 | case TextSymbols.perp: |
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443 | return "\u22a5"; |
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444 | case TextSymbols.neg: |
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445 | return "\u2511"; |
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446 | case TextSymbols.prime: |
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447 | return "\u2032"; |
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448 | case TextSymbols.wedge: |
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449 | return "\u22c0"; |
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450 | case TextSymbols.times: |
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451 | return "\u2a09"; |
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452 | case TextSymbols.Null: |
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453 | return "\u2205"; |
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454 | case TextSymbols.rceil: |
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455 | return "\u2309"; |
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456 | case TextSymbols.surd: |
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457 | return "\u221a"; |
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458 | case TextSymbols.mid: |
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459 | return "|"; |
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460 | case TextSymbols.vee: |
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461 | return "\u22c1"; |
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462 | case TextSymbols.varpi: |
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463 | return "\u03d6"; |
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464 | case TextSymbols.copyright: |
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465 | return "\u00a9"; |
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466 | case TextSymbols.langle: |
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467 | return "\u2329"; |
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468 | case TextSymbols.rangle: |
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469 | return "\u232a"; |
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470 | case TextSymbols.sim: |
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471 | return "\u223c"; |
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472 | case TextSymbols.leq: |
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473 | return "\u2264"; |
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474 | case TextSymbols.infty: |
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475 | return "\u221e"; |
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476 | case TextSymbols.leftrightarrow: |
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477 | return "\u21d4"; |
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478 | case TextSymbols.leftarrow: |
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479 | return "\u21d0"; |
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480 | case TextSymbols.uparrow: |
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481 | return "\u21d1"; |
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482 | case TextSymbols.rightarrow: |
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483 | return "\u21d2"; |
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484 | case TextSymbols.downarrow: |
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485 | return "\u21d3"; |
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486 | case TextSymbols.circ: |
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487 | return "\u25cc"; |
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488 | case TextSymbols.pm: |
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489 | return "\u00b1"; |
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490 | case TextSymbols.geq: |
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491 | return "\u2265"; |
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492 | case TextSymbols.propto: |
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493 | return "\u221d"; |
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494 | case TextSymbols.partial: |
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495 | return "\u2202"; |
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496 | case TextSymbols.div: |
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497 | return "\u00f7"; |
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498 | default: |
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499 | break; |
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500 | } |
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501 | return ""; |
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502 | #endregion |
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503 | } |
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504 | |
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505 | #endregion |
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506 | |
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507 | #region symbol definitions |
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508 | |
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509 | /// <summary> |
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510 | /// available keywords, interpretable by this IILInterpreter |
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511 | /// </summary> |
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512 | /// <remarks><para>The static instance ILSimpleTexInterpreter.Keywords can be |
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513 | /// used to alter the keywords used to switch to different font styles etc.</para></remarks> |
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514 | public class ILKeywords { |
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515 | private string m_fontname = "fontname"; |
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516 | /// <summary> |
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517 | /// placeholder for font name control sequence |
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518 | /// </summary> |
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519 | public string Fontname { |
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520 | get { return m_fontname; } |
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521 | set { if (!string.IsNullOrEmpty(value)) m_fontname = value; } |
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522 | } |
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523 | private string m_fontsize = "fontsize"; |
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524 | /// <summary> |
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525 | /// placeholder for font size control sequence |
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526 | /// </summary> |
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527 | public string Fontsize { |
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528 | get { return m_fontsize; } |
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529 | set { if (!string.IsNullOrEmpty(value)) m_fontsize = value; } |
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530 | } |
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531 | private string m_italic = "it"; |
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532 | /// <summary> |
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533 | /// placeholder for italic font control sequence |
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534 | /// </summary> |
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535 | public string Italic { |
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536 | get { return m_italic; } |
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537 | set { if (!string.IsNullOrEmpty(value)) m_italic = value; } |
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538 | } |
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539 | private string m_bold = "bf"; |
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540 | /// <summary> |
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541 | /// placeholder for bold font control sequence |
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542 | /// </summary> |
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543 | public string Bold { |
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544 | get { return m_bold; } |
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545 | set { if (!string.IsNullOrEmpty(value)) m_bold = value; } |
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546 | } |
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547 | private string m_color = "color"; |
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548 | /// <summary> |
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549 | /// placeholder for font color control sequence |
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550 | /// </summary> |
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551 | public string Color { |
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552 | get { return m_color; } |
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553 | set { if (!string.IsNullOrEmpty(value)) m_color = value; } |
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554 | } |
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555 | private string m_reset = "reset"; |
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556 | /// <summary> |
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557 | /// placeholder for text control sequence 'reset to initial value' |
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558 | /// </summary> |
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559 | public string Reset { |
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560 | get { return m_reset; } |
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561 | set { if (!string.IsNullOrEmpty(value)) m_reset = value; } |
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562 | } |
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563 | } |
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564 | #pragma warning disable 1591 |
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565 | /// <summary> |
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566 | /// all available TextSymbols (like \\Alpha etc.) this IILTextInterpreter understands |
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567 | /// </summary> |
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568 | public enum TextSymbols { |
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569 | alpha, |
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570 | beta, |
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571 | gamma, |
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572 | delta, |
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573 | epsilon, |
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574 | zeta, |
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575 | eta, |
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576 | theta, |
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577 | vartheta, |
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578 | iota, |
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579 | kappa, |
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580 | lambda, |
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581 | mu, |
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582 | nu, |
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583 | xi, |
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584 | pi, |
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585 | rho, |
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586 | sigma, |
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587 | varsigma, |
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588 | tau, |
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589 | upsilon, |
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590 | phi, |
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591 | chi, |
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592 | psi, |
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593 | omega, |
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594 | Gamma, |
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595 | Delta, |
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596 | Theta, |
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597 | Lambda, |
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598 | Xi, |
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599 | Pi, |
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600 | Sigma, |
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601 | Upsilon, |
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602 | Phi, |
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603 | Psi, |
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604 | Omega, |
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605 | forall, |
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606 | exists, |
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607 | ni, |
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608 | cong, |
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609 | neq, |
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610 | equiv, |
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611 | approx, |
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612 | aleph, |
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613 | Im, |
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614 | Re, |
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615 | wp, |
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616 | otimes, |
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617 | oplus, |
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618 | oslash, |
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619 | cap, |
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620 | cup, |
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621 | supseteq, |
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622 | supset, |
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623 | subseteq, |
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624 | subset, |
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625 | int_, |
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626 | in_, |
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627 | o, |
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628 | rfloor, |
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629 | lceil, |
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630 | nabla, |
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631 | lfloor, |
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632 | cdot, |
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633 | ldots, |
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634 | perp, |
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635 | neg, |
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636 | prime, |
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637 | wedge, |
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638 | times, |
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639 | Null, |
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640 | rceil, |
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641 | surd, |
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642 | mid, |
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643 | vee, |
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644 | varpi, |
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645 | copyright, |
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646 | langle, |
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647 | rangle, |
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648 | nothing, |
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649 | sim, |
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650 | leq, |
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651 | infty, |
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652 | clubsuit, |
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653 | diamondsuit, |
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654 | heartsuit, |
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655 | spadesuit, |
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656 | leftrightarrow, |
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657 | leftarrow, |
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658 | uparrow, |
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659 | rightarrow, |
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660 | downarrow, |
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661 | circ, |
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662 | pm, |
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663 | geq, |
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664 | propto, |
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665 | partial, |
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666 | div, |
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667 | cdots |
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668 | } |
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669 | #pragma warning restore 1591 |
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670 | |
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671 | #endregion |
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672 | |
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673 | } |
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674 | } |
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