--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java/de/intevation/mxd/writer/SymbolWriter.java	Tue May 31 17:54:43 2011 +0200
@@ -0,0 +1,112 @@
+package de.intevation.mxd.writer;
+
+import org.apache.log4j.Logger;
+
+import org.w3c.dom.Element;
+
+import edu.umn.gis.mapscript.mapObj;
+import edu.umn.gis.mapscript.classObj;
+import edu.umn.gis.mapscript.styleObj;
+import edu.umn.gis.mapscript.symbolObj;
+import edu.umn.gis.mapscript.symbolSetObj;
+import edu.umn.gis.mapscript.lineObj;
+import edu.umn.gis.mapscript.pointObj;
+import edu.umn.gis.mapscript.MS_SYMBOL_TYPE;
+
+
+/**
+ * The interface to the mapfile writer.
+ *
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class SymbolWriter {
+
+    /**
+     * The Logger.
+     */
+    private static final Logger logger = Logger.getLogger(SymbolWriter.class);
+
+    private mapObj map;
+    private classObj cl;
+    private styleObj style;
+
+    public SymbolWriter (mapObj map, classObj cl) {
+        this.map = map;
+        this.cl = cl;
+        this.style = new styleObj(cl);
+    }
+
+    /**
+     * Write the content.
+     */
+    public boolean write(Element symbolElement)
+    throws Exception {
+        logger.debug("write(Element)");
+        symbolSetObj symbolSet = map.getSymbolset();
+
+        String name = symbolElement.getAttribute("name");
+        symbolObj sym = symbolSet.getSymbolByName(name);
+
+        String symType = symbolElement.getAttribute("style");
+        if(symType.equals("point")) {
+            writeSimple(sym);
+        }
+        else if (symType.equals("arrow")) {
+            writeArrow(sym, symbolElement);
+        }
+        else if (symType.equals("char")) {
+            //TODO Does not work at all...  waiting for fix.
+            writeCharacter(sym, symbolElement);
+        }
+        else {
+            return false;
+        }
+        return true;
+    }
+
+    private void writeSimple(symbolObj symbol) {
+        logger.debug("writeSimple(symbolObj)");
+        lineObj points = new lineObj();
+        points.add(new pointObj(1,1,0));
+        symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE.swigValue());
+        symbol.setPoints(points);
+        symbol.setFilled(1);
+    }
+
+    private void writeArrow(symbolObj symbol, Element symbolElement) {
+        logger.debug("writeArrow(symbolObj, Element)");
+        double len = Double.parseDouble(symbolElement.getAttribute("length"));
+        double width = Double.parseDouble(symbolElement.getAttribute("width"));
+        double ratio = len/width;
+        lineObj points = new lineObj();
+
+        points.add(new pointObj(0, 0, 0));
+        points.add(new pointObj((1*ratio), 0.5, 0));
+        points.add(new pointObj(0, 1, 0));
+        points.add(new pointObj(0, 0, 0));
+        symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_VECTOR.swigValue());
+        symbol.setPoints(points);
+        symbol.setFilled(1);
+    }
+
+    private void writeCharacter(symbolObj symbol, Element symbolElement) {
+        logger.debug("writeCharacter(symbolObj, Element)");
+        //TODO Write the symbol correctly. See Issue 3885 on trac.osgeo.org
+        symbol.setFont(symbolElement.getAttribute("font"));
+        symbol.setType(MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE.swigValue());
+        symbol.setAntialias(1);
+        symbol.setCharacter("#&" + symbolElement.getAttribute("char") + ";");
+    }
+
+    public boolean canWrite(String type) {
+        if (type.equals("point") ||
+            type.equals("arrow") ||
+            type.equals("char")) {
+            return true;
+        }
+        else {
+            return false;
+        }
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :