Mercurial > mxd2map

annotate src/java/de/intevation/mxd/writer/SymbolWriter.java @ 177:9fd61f4ac0e3

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Write lines with width smaller than 1 and write further line attributes.
author raimund renkert <raimund.renkert@intevation.de>
date Thu, 07 Jul 2011 15:05:08 +0200
parents d95dbd643add
children 0bde090506f9
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
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33 public SymbolWriter (mapObj map, classObj cl) {
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34 this.map = map;
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35 this.cl = cl;
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36 }
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37
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38 /**
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39 * Write the content.
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40 */
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41 public boolean write(Element symbolElement) {
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42 logger.debug("write(Element)");
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43 symbolSetObj symbolSet = map.getSymbolset();
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44
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45 String name = symbolElement.getAttribute("name");
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46 symbolObj sym = symbolSet.getSymbolByName(name);
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47 String symType = symbolElement.getAttribute("style");
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48 String type = symbolElement.getAttribute("type");
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49 if(symType.equals("point")) {
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50 writeSimple(sym);
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51 }
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52 else if (symType.equals("arrow")) {
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53 writeArrow(sym, symbolElement);
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54 }
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55 else if (symType.equals("char")) {
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56 int exists = symbolExists(symbolElement);
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57 if(exists == -1) {
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58 String old = symbolElement.getAttribute("name");
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59 symbolElement.setAttribute(
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60 "name",
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61 old + symbolSet.getNumsymbols() + 1);
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62 writeCharacter(sym, symbolElement);
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63 }
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64 else {
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65 symbolElement.setAttribute(
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66 "name",
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67 symbolSet.getSymbol(exists).getName());
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68 }
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69 }
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70 else if (type.equals("line")) {
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71 writeHatch(sym);
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72 }
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73 else {
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74 return false;
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75 }
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76
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77 try {
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78 saveSymbolSet(symbolSet);
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79 }
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80 catch(Exception e) {
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81 logger.error("Error saving symbol set.");
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82 return false;
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83 }
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84
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85 return true;
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86 }
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87
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88 private void writeSimple(symbolObj symbol) {
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89 logger.debug("writeSimple(symbolObj)");
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90 lineObj points = new lineObj();
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91 points.add(new pointObj(1,1,0));
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92 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue());
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93 symbol.setPoints(points);
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94 symbol.setFilled(1);
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95 }
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96
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97 private void writeArrow(symbolObj symbol, Element symbolElement) {
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98 logger.debug("writeArrow(symbolObj, Element)");
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99 double len = 0;
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100 double width = 1;
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101 try {
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102 len =
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103 Double.parseDouble(symbolElement.getAttribute("length"));
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104 width =
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105 Double.parseDouble(symbolElement.getAttribute("width"));
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106 }
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107 catch(NumberFormatException nfe) {
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108 logger.warn ("Error setting arrow symbol.");
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109 return;
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110 }
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111 double ratio = len/width;
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112 lineObj points = new lineObj();
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113
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114 points.add(new pointObj(0, 0, 0));
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115 points.add(new pointObj((1*ratio), 0.5, 0));
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116 points.add(new pointObj(0, 1, 0));
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117 points.add(new pointObj(0, 0, 0));
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118 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue());
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119 symbol.setPoints(points);
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120 symbol.setFilled(1);
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121 }
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122
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123 private void writeCharacter(symbolObj symbol, Element symbolElement) {
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124 logger.debug("writeCharacter(symbolObj, Element)");
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125 //TODO Write the symbol correctly. See Issue 3885 on trac.osgeo.org
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126 String font = symbolElement.getAttribute("font");
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127 //Remove all blank character to match the mapserver fonts.txt.
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128 font = font.replaceAll(" ", "");
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129 symbol.setName(symbolElement.getAttribute("name"));
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130 symbol.setFont(font);
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131 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue());
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132 symbol.setAntialias(1);
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133 symbol.setCharacter("&#" + symbolElement.getAttribute("char") + ";");
87
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134 }
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135
97
18e4f143896b Added polygon writer.
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136 private void writeHatch(symbolObj symbol) {
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137 logger.debug("writeHatch(symbolObj)");
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138 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue());
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139 }
18e4f143896b Added polygon writer.
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140
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141 public boolean canWrite(String type) {
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142 if (type.equals("point") ||
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143 type.equals("arrow") ||
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18e4f143896b Added polygon writer.
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144 type.equals("char") ||
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145 type.equals("line")) {
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7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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146 return true;
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147 }
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148 else {
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149 return false;
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150 }
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151 }
90
82a1f39214fd Added method to save the symbolset.
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152
82a1f39214fd Added method to save the symbolset.
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153 private void saveSymbolSet(symbolSetObj symbols)
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154 throws Exception {
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3993b5adf67c Write the character symbol correctly to the mapfile and the symbolset.
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155 String path = this.map.getMappath();
175
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156 String symbolPath = symbols.getFilename();
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diff changeset
157 if(path.equals("")) {
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158 return;
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159 }
175
f11d13940626 Handle symbol set and font set paths.
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diff changeset
160 if(symbolPath == null || symbolPath.equals("")) {
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parents: 174
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161 symbolPath = "symbols.sym";
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parents: 174
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162 symbols.setFilename(symbolPath);
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163 path = path.replaceAll("\\\\", "/");
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164 symbols.save(path);
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165 this.map.setSymbolSet(path);
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166 return;
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parents: 174
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167 }
174
707f13cfba74 Improved the commandline arguments and save the mapfile in the correct directory.
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168
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169 if (path.endsWith(".map")) {
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170 path = path.substring(0, path.lastIndexOf(File.separator) + 1);
175
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parents: 174
diff changeset
171 path += symbolPath;
174
707f13cfba74 Improved the commandline arguments and save the mapfile in the correct directory.
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diff changeset
172 }
93
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diff changeset
173 else {
175
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parents: 174
diff changeset
174 path += symbolPath;
90
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diff changeset
175 }
175
f11d13940626 Handle symbol set and font set paths.
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parents: 174
diff changeset
176 path = path.replaceAll("\\\\", "/");
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diff changeset
177 symbols.save(path);
175
f11d13940626 Handle symbol set and font set paths.
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parents: 174
diff changeset
178 this.map.setSymbolSet(symbolPath);
90
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diff changeset
179 }
141
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180
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diff changeset
181 private int symbolExists (Element elem) {
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182 symbolSetObj symbolSet = map.getSymbolset();
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diff changeset
183 for (int i = 0; i < symbolSet.getNumsymbols(); i++) {
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184 symbolObj sym = symbolSet.getSymbol(i);
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diff changeset
185 int stype = sym.getType();
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186 String etype = elem.getAttribute("style");
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diff changeset
187 if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue () &&
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
188 etype.equals("point")) {
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
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parents: 141
diff changeset
189 return i;
141
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diff changeset
190 }
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diff changeset
191 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue () &&
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parents: 120
diff changeset
192 etype.equals("arrow")) {
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
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parents: 141
diff changeset
193 return i;
141
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diff changeset
194 }
8f30f7e802d6 Manage symbol names and symbol comparison.
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diff changeset
195 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue () &&
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parents: 120
diff changeset
196 etype.equals("char")) {
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parents: 120
diff changeset
197 String font = elem.getAttribute("font");
8f30f7e802d6 Manage symbol names and symbol comparison.
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diff changeset
198 font = font.replaceAll(" ", "");
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parents: 120
diff changeset
199 String c = elem.getAttribute("char");
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parents: 120
diff changeset
200 c = "&#" + c + ";";
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parents: 120
diff changeset
201 if (font.equals(sym.getFont()) &&
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
202 c.equals(sym.getCharacter())) {
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
203 return i;
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
204 }
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
205
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
206 }
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
207 else if(stype == MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue () &&
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
208 etype.equals("hatch")) {
145
b2c5a66022f1 Exception handling for number conversions in writer modules.
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parents: 141
diff changeset
209 return i;
141
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
210 }
8f30f7e802d6 Manage symbol names and symbol comparison.
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parents: 120
diff changeset
211 }
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
212 return -1;
8f30f7e802d6 Manage symbol names and symbol comparison.
vc11884admin@VC11884.win.bsh.de
parents: 120
diff changeset
213 }
87
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
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parents:
diff changeset
214 }
7d4cf2db43f1 Added new writer classes to be flexible in creating mapfiles.
Raimund Renkert <rrenkert@intevation.de>
parents:
diff changeset
215 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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