Mercurial > mxd2map
comparison src/java/de/intevation/mxd/writer/SymbolWriter.java @ 87:7d4cf2db43f1
Added new writer classes to be flexible in creating mapfiles.
| author | Raimund Renkert <rrenkert@intevation.de> |
|---|---|
| date | Tue, 31 May 2011 17:54:43 +0200 |
| parents | |
| children | 82a1f39214fd |
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| 86:e19c5eb43099 | 87:7d4cf2db43f1 |
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| 1 package de.intevation.mxd.writer; | |
| 2 | |
| 3 import org.apache.log4j.Logger; | |
| 4 | |
| 5 import org.w3c.dom.Element; | |
| 6 | |
| 7 import edu.umn.gis.mapscript.mapObj; | |
| 8 import edu.umn.gis.mapscript.classObj; | |
| 9 import edu.umn.gis.mapscript.styleObj; | |
| 10 import edu.umn.gis.mapscript.symbolObj; | |
| 11 import edu.umn.gis.mapscript.symbolSetObj; | |
| 12 import edu.umn.gis.mapscript.lineObj; | |
| 13 import edu.umn.gis.mapscript.pointObj; | |
| 14 import edu.umn.gis.mapscript.MS_SYMBOL_TYPE; | |
| 15 | |
| 16 | |
| 17 /** | |
| 18 * The interface to the mapfile writer. | |
| 19 * | |
| 20 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> | |
| 21 */ | |
| 22 public class SymbolWriter { | |
| 23 | |
| 24 /** | |
| 25 * The Logger. | |
| 26 */ | |
| 27 private static final Logger logger = Logger.getLogger(SymbolWriter.class); | |
| 28 | |
| 29 private mapObj map; | |
| 30 private classObj cl; | |
| 31 private styleObj style; | |
| 32 | |
| 33 public SymbolWriter (mapObj map, classObj cl) { | |
| 34 this.map = map; | |
| 35 this.cl = cl; | |
| 36 this.style = new styleObj(cl); | |
| 37 } | |
| 38 | |
| 39 /** | |
| 40 * Write the content. | |
| 41 */ | |
| 42 public boolean write(Element symbolElement) | |
| 43 throws Exception { | |
| 44 logger.debug("write(Element)"); | |
| 45 symbolSetObj symbolSet = map.getSymbolset(); | |
| 46 | |
| 47 String name = symbolElement.getAttribute("name"); | |
| 48 symbolObj sym = symbolSet.getSymbolByName(name); | |
| 49 | |
| 50 String symType = symbolElement.getAttribute("style"); | |
| 51 if(symType.equals("point")) { | |
| 52 writeSimple(sym); | |
| 53 } | |
| 54 else if (symType.equals("arrow")) { | |
| 55 writeArrow(sym, symbolElement); | |
| 56 } | |
| 57 else if (symType.equals("char")) { | |
| 58 //TODO Does not work at all... waiting for fix. | |
| 59 writeCharacter(sym, symbolElement); | |
| 60 } | |
| 61 else { | |
| 62 return false; | |
| 63 } | |
| 64 return true; | |
| 65 } | |
| 66 | |
| 67 private void writeSimple(symbolObj symbol) { | |
| 68 logger.debug("writeSimple(symbolObj)"); | |
| 69 lineObj points = new lineObj(); | |
| 70 points.add(new pointObj(1,1,0)); | |
| 71 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue()); | |
| 72 symbol.setPoints(points); | |
| 73 symbol.setFilled(1); | |
| 74 } | |
| 75 | |
| 76 private void writeArrow(symbolObj symbol, Element symbolElement) { | |
| 77 logger.debug("writeArrow(symbolObj, Element)"); | |
| 78 double len = Double.parseDouble(symbolElement.getAttribute("length")); | |
| 79 double width = Double.parseDouble(symbolElement.getAttribute("width")); | |
| 80 double ratio = len/width; | |
| 81 lineObj points = new lineObj(); | |
| 82 | |
| 83 points.add(new pointObj(0, 0, 0)); | |
| 84 points.add(new pointObj((1*ratio), 0.5, 0)); | |
| 85 points.add(new pointObj(0, 1, 0)); | |
| 86 points.add(new pointObj(0, 0, 0)); | |
| 87 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue()); | |
| 88 symbol.setPoints(points); | |
| 89 symbol.setFilled(1); | |
| 90 } | |
| 91 | |
| 92 private void writeCharacter(symbolObj symbol, Element symbolElement) { | |
| 93 logger.debug("writeCharacter(symbolObj, Element)"); | |
| 94 //TODO Write the symbol correctly. See Issue 3885 on trac.osgeo.org | |
| 95 symbol.setFont(symbolElement.getAttribute("font")); | |
| 96 symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue()); | |
| 97 symbol.setAntialias(1); | |
| 98 symbol.setCharacter("#&" + symbolElement.getAttribute("char") + ";"); | |
| 99 } | |
| 100 | |
| 101 public boolean canWrite(String type) { | |
| 102 if (type.equals("point") || | |
| 103 type.equals("arrow") || | |
| 104 type.equals("char")) { | |
| 105 return true; | |
| 106 } | |
| 107 else { | |
| 108 return false; | |
| 109 } | |
| 110 } | |
| 111 } | |
| 112 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |