Mercurial > mxd2map

comparison src/java/de/intevation/mxd/writer/SymbolWriter.java @ 181:0bde090506f9

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Added comments.
author Raimund Renkert <rrenkert@intevation.de>
date Mon, 11 Jul 2011 14:28:38 +0200
parents d95dbd643add
children c79c3c6fc99a
comparison
equal deleted inserted replaced
180:f4eb506499f5 181:0bde090506f9
25 /** 25 /**
26 * The Logger. 26 * The Logger.
27 */ 27 */
28 private static final Logger logger = Logger.getLogger(SymbolWriter.class); 28 private static final Logger logger = Logger.getLogger(SymbolWriter.class);
29 29
30 /**
31 * Private member.
32 */
30 private mapObj map; 33 private mapObj map;
31 private classObj cl; 34 private classObj cl;
32 35
36 /**
37 * Contructor with map object and class object.
38 *
39 * @param map The map object.
40 * @param cl The class object containing the style.
41 */
33 public SymbolWriter (mapObj map, classObj cl) { 42 public SymbolWriter (mapObj map, classObj cl) {
34 this.map = map; 43 this.map = map;
35 this.cl = cl; 44 this.cl = cl;
36 } 45 }
37 46
38 /** 47 /**
39 * Write the content. 48 * Write the content.
49 *
50 * @param symbolElement DOM element containg the style and symbol
51 * attributes.
40 */ 52 */
41 public boolean write(Element symbolElement) { 53 public boolean write(Element symbolElement) {
42 logger.debug("write(Element)"); 54 logger.debug("write(Element)");
43 symbolSetObj symbolSet = map.getSymbolset(); 55 symbolSetObj symbolSet = map.getSymbolset();
44 56
83 } 95 }
84 96
85 return true; 97 return true;
86 } 98 }
87 99
100 /**
101 * Create a simple point symbol.
102 *
103 * @param symbol The symbol object.
104 */
88 private void writeSimple(symbolObj symbol) { 105 private void writeSimple(symbolObj symbol) {
89 logger.debug("writeSimple(symbolObj)"); 106 logger.debug("writeSimple(symbolObj)");
90 lineObj points = new lineObj(); 107 lineObj points = new lineObj();
91 points.add(new pointObj(1,1,0)); 108 points.add(new pointObj(1,1,0));
92 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue()); 109 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue());
93 symbol.setPoints(points); 110 symbol.setPoints(points);
94 symbol.setFilled(1); 111 symbol.setFilled(1);
95 } 112 }
96 113
114 /**
115 * Create an arrow symbol.
116 *
117 * @param symbol The symbol object.
118 * @param symbolElement DOM element containing symbol attributes.
119 */
97 private void writeArrow(symbolObj symbol, Element symbolElement) { 120 private void writeArrow(symbolObj symbol, Element symbolElement) {
98 logger.debug("writeArrow(symbolObj, Element)"); 121 logger.debug("writeArrow(symbolObj, Element)");
99 double len = 0; 122 double len = 0;
100 double width = 1; 123 double width = 1;
101 try { 124 try {
118 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue()); 141 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue());
119 symbol.setPoints(points); 142 symbol.setPoints(points);
120 symbol.setFilled(1); 143 symbol.setFilled(1);
121 } 144 }
122 145
146 /**
147 * Create a character marker symbol.
148 *
149 * @param symbol The symbol object.
150 * @param symbolElement DOM element containing symbol attributes.
151 */
123 private void writeCharacter(symbolObj symbol, Element symbolElement) { 152 private void writeCharacter(symbolObj symbol, Element symbolElement) {
124 logger.debug("writeCharacter(symbolObj, Element)"); 153 logger.debug("writeCharacter(symbolObj, Element)");
125 //TODO Write the symbol correctly. See Issue 3885 on trac.osgeo.org
126 String font = symbolElement.getAttribute("font"); 154 String font = symbolElement.getAttribute("font");
127 //Remove all blank character to match the mapserver fonts.txt. 155 //Remove all blank character to match the mapserver fonts.txt.
128 font = font.replaceAll(" ", ""); 156 font = font.replaceAll(" ", "");
129 symbol.setName(symbolElement.getAttribute("name")); 157 symbol.setName(symbolElement.getAttribute("name"));
130 symbol.setFont(font); 158 symbol.setFont(font);
131 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue()); 159 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue());
132 symbol.setAntialias(1); 160 symbol.setAntialias(1);
133 symbol.setCharacter("&#" + symbolElement.getAttribute("char") + ";"); 161 symbol.setCharacter("&#" + symbolElement.getAttribute("char") + ";");
134 } 162 }
135 163
164 /**
165 * Create a hatch symbol for polygon fill.
166 *
167 * @param symbol The symbol object.
168 */
136 private void writeHatch(symbolObj symbol) { 169 private void writeHatch(symbolObj symbol) {
137 logger.debug("writeHatch(symbolObj)"); 170 logger.debug("writeHatch(symbolObj)");
138 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue()); 171 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_HATCH.swigValue());
139 } 172 }
140 173
174 /**
175 * Determine whether this writer can create the symbol.
176 *
177 * @param type The symbol type.
178 */
141 public boolean canWrite(String type) { 179 public boolean canWrite(String type) {
142 if (type.equals("point") || 180 if (type.equals("point") ||
143 type.equals("arrow") || 181 type.equals("arrow") ||
144 type.equals("char") || 182 type.equals("char") ||
145 type.equals("line")) { 183 type.equals("line")) {
148 else { 186 else {
149 return false; 187 return false;
150 } 188 }
151 } 189 }
152 190
191 /**
192 * Save the symbol set.
193 *
194 * @param symbols The symbol set object.
195 */
153 private void saveSymbolSet(symbolSetObj symbols) 196 private void saveSymbolSet(symbolSetObj symbols)
154 throws Exception { 197 throws Exception {
155 String path = this.map.getMappath(); 198 String path = this.map.getMappath();
156 String symbolPath = symbols.getFilename(); 199 String symbolPath = symbols.getFilename();
157 if(path.equals("")) { 200 if(path.equals("")) {
176 path = path.replaceAll("\\\\", "/"); 219 path = path.replaceAll("\\\\", "/");
177 symbols.save(path); 220 symbols.save(path);
178 this.map.setSymbolSet(symbolPath); 221 this.map.setSymbolSet(symbolPath);
179 } 222 }
180 223
224 /**
225 * Determine whether the symbol exists.
226 *
227 * @param elem DOM element containing the symbol attributes.
228 *
229 * @return Returns the symbol index if the symbol exists, else returns -1.
230 */
181 private int symbolExists (Element elem) { 231 private int symbolExists (Element elem) {
182 symbolSetObj symbolSet = map.getSymbolset(); 232 symbolSetObj symbolSet = map.getSymbolset();
183 for (int i = 0; i < symbolSet.getNumsymbols(); i++) { 233 for (int i = 0; i < symbolSet.getNumsymbols(); i++) {
184 symbolObj sym = symbolSet.getSymbol(i); 234 symbolObj sym = symbolSet.getSymbol(i);
185 int stype = sym.getType(); 235 int stype = sym.getType();
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