Mercurial > mxd2map > mxd2map

annotate src/java/de/intevation/mxd/writer/SymbolWriter.java @ 175:f11d13940626

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Handle symbol set and font set paths.
author raimund renkert <raimund.renkert@intevation.de>
date Thu, 07 Jul 2011 13:03:56 +0200
parents 707f13cfba74
children d95dbd643add
rev   line source
87
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1 package de.intevation.mxd.writer;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.w3c.dom.Element;
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6
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7 import edu.umn.gis.mapscript.mapObj;
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8 import edu.umn.gis.mapscript.classObj;
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9 import edu.umn.gis.mapscript.styleObj;
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10 import edu.umn.gis.mapscript.symbolObj;
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11 import edu.umn.gis.mapscript.symbolSetObj;
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12 import edu.umn.gis.mapscript.lineObj;
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13 import edu.umn.gis.mapscript.pointObj;
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14 import edu.umn.gis.mapscript.MS_SYMBOL_TYPE;
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15
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16 import java.io.File;
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17
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18 /**
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19 * The interface to the mapfile writer.
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20 *
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21 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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22 */
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23 public class SymbolWriter {
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24
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25 /**
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26 * The Logger.
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27 */
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28 private static final Logger logger = Logger.getLogger(SymbolWriter.class);
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29
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30 private mapObj map;
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31 private classObj cl;
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32 private styleObj style;
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33
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34 public SymbolWriter (mapObj map, classObj cl) {
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35 this.map = map;
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36 this.cl = cl;
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37 this.style = new styleObj(cl);
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38 }
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39
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40 /**
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41 * Write the content.
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42 */
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43 public boolean write(Element symbolElement) {
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44 logger.debug("write(Element)");
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45 symbolSetObj symbolSet = map.getSymbolset();
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46
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47 String name = symbolElement.getAttribute("name");
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48 symbolObj sym = symbolSet.getSymbolByName(name);
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49 String symType = symbolElement.getAttribute("style");
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50 String type = symbolElement.getAttribute("type");
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51 if(symType.equals("point")) {
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52 writeSimple(sym);
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53 }
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54 else if (symType.equals("arrow")) {
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55 writeArrow(sym, symbolElement);
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56 }
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57 else if (symType.equals("char")) {
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58 int exists = symbolExists(symbolElement);
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59 if(exists == -1) {
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60 String old = symbolElement.getAttribute("name");
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61 symbolElement.setAttribute(
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62 "name",
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63 old + symbolSet.getNumsymbols() + 1);
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64 writeCharacter(sym, symbolElement);
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65 }
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66 else {
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67 symbolElement.setAttribute(
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68 "name",
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69 symbolSet.getSymbol(exists).getName());
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70 }
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71 }
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72 else if (type.equals("line")) {
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73 writeHatch(sym);
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74 }
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75 else {
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76 return false;
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77 }
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78
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79 try {
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80 saveSymbolSet(symbolSet);
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81 }
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82 catch(Exception e) {
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83 logger.error("Error saving symbol set.");
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84 return false;
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85 }
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86
87
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87 return true;
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88 }
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89
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90 private void writeSimple(symbolObj symbol) {
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91 logger.debug("writeSimple(symbolObj)");
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92 lineObj points = new lineObj();
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93 points.add(new pointObj(1,1,0));
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94 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue());
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95 symbol.setPoints(points);
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96 symbol.setFilled(1);
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97 }
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98
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99 private void writeArrow(symbolObj symbol, Element symbolElement) {
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100 logger.debug("writeArrow(symbolObj, Element)");
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101 double len = 0;
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102 double width = 1;
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103 try {
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104 len =
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105 Double.parseDouble(symbolElement.getAttribute("length"));
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106 width =
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107 Double.parseDouble(symbolElement.getAttribute("width"));
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108 }
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109 catch(NumberFormatException nfe) {
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110 logger.warn ("Error setting arrow symbol.");
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111 return;
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112 }
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113 double ratio = len/width;
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114 lineObj points = new lineObj();
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115
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116 points.add(new pointObj(0, 0, 0));
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117 points.add(new pointObj((1*ratio), 0.5, 0));
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118 points.add(new pointObj(0, 1, 0));
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119 points.add(new pointObj(0, 0, 0));
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120 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue());
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121 symbol.setPoints(points);
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122 symbol.setFilled(1);
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123 }
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124
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125 private void writeCharacter(symbolObj symbol, Element symbolElement) {
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126 logger.debug("writeCharacter(symbolObj, Element)");
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127 //TODO Write the symbol correctly. See Issue 3885 on trac.osgeo.org
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128 String font = symbolElement.getAttribute("font");
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129 //Remove all blank character to match the mapserver fonts.txt.
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130 font = font.replaceAll(" ", "");
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131 symbol.setName(symbolElement.getAttribute("name"));
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132 symbol.setFont(font);
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133 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue());
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134 symbol.setAntialias(1);
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135 symbol.setCharacter("&#" + symbolElement.getAttribute("char") + ";");
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136 }
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137
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138 private void writeHatch(symbolObj symbol) {
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139 logger.debug("writeHatch(symbolObj)");
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140 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue());
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141 }
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142
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143 public boolean canWrite(String type) {
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144 if (type.equals("point") ||
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145 type.equals("arrow") ||
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146 type.equals("char") ||
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147 type.equals("line")) {
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148 return true;
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149 }
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150 else {
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151 return false;
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152 }
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153 }
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154
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155 private void saveSymbolSet(symbolSetObj symbols)
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156 throws Exception {
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157 String path = this.map.getMappath();
175
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158 String symbolPath = symbols.getFilename();
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159 if(path.equals("")) {
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160 return;
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161 }
175
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162 if(symbolPath == null || symbolPath.equals("")) {
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163 symbolPath = "symbols.sym";
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164 symbols.setFilename(symbolPath);
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165 path = path.replaceAll("\\\\", "/");
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166 symbols.save(path);
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167 this.map.setSymbolSet(path);
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168 return;
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169 }
174
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170
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171 if (path.endsWith(".map")) {
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172 path = path.substring(0, path.lastIndexOf(File.separator) + 1);
175
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173 path += symbolPath;
174
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174 }
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175 else {
175
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176 path += symbolPath;
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177 }
175
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178 path = path.replaceAll("\\\\", "/");
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179 symbols.save(path);
175
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180 this.map.setSymbolSet(symbolPath);
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181 }
141
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182
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183 private int symbolExists (Element elem) {
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184 symbolSetObj symbolSet = map.getSymbolset();
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185 for (int i = 0; i < symbolSet.getNumsymbols(); i++) {
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186 symbolObj sym = symbolSet.getSymbol(i);
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187 int stype = sym.getType();
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188 String etype = elem.getAttribute("style");
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189 if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue () &&
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diff changeset
190 etype.equals("point")) {
145
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parents: 141
diff changeset
191 return i;
141
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192 }
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193 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue () &&
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diff changeset
194 etype.equals("arrow")) {
145
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parents: 141
diff changeset
195 return i;
141
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196 }
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197 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue () &&
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diff changeset
198 etype.equals("char")) {
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diff changeset
199 String font = elem.getAttribute("font");
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diff changeset
200 font = font.replaceAll(" ", "");
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diff changeset
201 String c = elem.getAttribute("char");
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diff changeset
202 c = "&#" + c + ";";
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diff changeset
203 if (font.equals(sym.getFont()) &&
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diff changeset
204 c.equals(sym.getCharacter())) {
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diff changeset
205 return i;
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diff changeset
206 }
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diff changeset
207
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diff changeset
208 }
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diff changeset
209 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue () &&
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parents: 120
diff changeset
210 etype.equals("hatch")) {
145
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parents: 141
diff changeset
211 return i;
141
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diff changeset
212 }
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
213 }
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diff changeset
214 return -1;
8f30f7e802d6 Manage symbol names and symbol comparison.
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diff changeset
215 }
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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parents:
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216 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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parents:
diff changeset
217 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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