rrenkert@95: package de.intevation.mxd.writer;
rrenkert@95: 
rrenkert@95: import java.awt.Color;
rrenkert@95: 
rrenkert@95: import org.apache.log4j.Logger;
rrenkert@95: 
rrenkert@95: import org.w3c.dom.Element;
rrenkert@95: 
rrenkert@95: import edu.umn.gis.mapscript.mapObj;
rrenkert@95: import edu.umn.gis.mapscript.classObj;
rrenkert@95: import edu.umn.gis.mapscript.styleObj;
rrenkert@95: import edu.umn.gis.mapscript.colorObj;
rrenkert@95: import edu.umn.gis.mapscript.symbolObj;
rrenkert@95: import edu.umn.gis.mapscript.symbolSetObj;
rrenkert@95: 
rrenkert@95: 
rrenkert@95: /**
rrenkert@95:  * The interface to the mapfile writer.
rrenkert@95:  *
rrenkert@95:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
rrenkert@95:  */
rrenkert@95: public class LineStyleWriter {
rrenkert@95: 
rrenkert@95:     /**
rrenkert@95:      * The Logger.
rrenkert@95:      */
rrenkert@95:     private static final Logger logger = Logger.getLogger(LineStyleWriter.class);
rrenkert@95: 
rrenkert@181:     /**
rrenkert@181:      * Private mamber
rrenkert@181:      */
rrenkert@95:     private mapObj map;
rrenkert@95:     private classObj cl;
rrenkert@95:     private styleObj style;
rrenkert@95: 
rrenkert@181:     /**
rrenkert@181:      * Contructor with map object and class object.
rrenkert@181:      *
rrenkert@181:      * @param map The map object.
rrenkert@181:      * @param cl  The class object containing the style.
rrenkert@181:      */
rrenkert@95:     public LineStyleWriter (mapObj map, classObj cl) {
rrenkert@95:         this.map = map;
rrenkert@95:         this.cl = cl;
rrenkert@95:         this.style = new styleObj(cl);
rrenkert@95:     }
rrenkert@95: 
rrenkert@95:     /**
rrenkert@95:      * Write the content.
rrenkert@181:      *
rrenkert@181:      * @param symbolElement DOM element containing style attributes.
rrenkert@95:      */
rrenkert@120:     public boolean write(Element symbolElement) {
rrenkert@95:         logger.debug("write(Element)");
rrenkert@95:         symbolSetObj symbolSet = map.getSymbolset();
vc11884admin@131:         if(symbolElement.hasAttribute("width")) {
rrenkert@145:             double w = 0;
rrenkert@145:             try {
rrenkert@145:                 w = Double.parseDouble(symbolElement.getAttribute("width"));
rrenkert@145:             }
rrenkert@145:             catch(NumberFormatException nfe) {
rrenkert@145:                 logger.warn("Error setting width. No line width set.");
rrenkert@145:                 w = 0;
rrenkert@145:             }
vc11884admin@131:             if(w < 1.0) {
raimund@177:                 w = 1;
vc11884admin@131:             }
rrenkert@145:             style.setWidth((int)w);
vc11884admin@131:         }
rrenkert@95:         if(symbolElement.hasAttribute("angle")) {
rrenkert@145:             try {
rrenkert@145:                 style.setAngle(
rrenkert@145:                     Double.parseDouble(symbolElement.getAttribute("angle")));
rrenkert@145:             }
rrenkert@145:             catch(NumberFormatException nfe) {
rrenkert@145:                 logger.info("Error setting angle. Could not get value.");
rrenkert@145:             }
rrenkert@95:         }
rrenkert@95:         if(symbolElement.hasAttribute("color")) {
rrenkert@95:             String c = symbolElement.getAttribute("color");
rrenkert@95:             Color col = Color.decode(c);
rrenkert@95:             colorObj color = new colorObj(
rrenkert@95:                 col.getRed(),
rrenkert@95:                 col.getGreen(),
rrenkert@95:                 col.getBlue(),
rrenkert@95:                 -4);
rrenkert@95:             style.setColor(color);
rrenkert@95:         }
vc11884admin@131: 
rrenkert@95:         if(symbolElement.hasAttribute("size")) {
rrenkert@145:             try {
rrenkert@145:                 style.setSize((int)Double.parseDouble(
rrenkert@145:                     symbolElement.getAttribute("size")));
rrenkert@145:             }
rrenkert@145:             catch(NumberFormatException nfe) {
rrenkert@145:                 logger.warn("Error setting size. Setting size to 1.");
rrenkert@145:                 style.setSize (1);
rrenkert@145:             }
rrenkert@95:         }
raimund@177: 
raimund@177:         if(symbolElement.hasAttribute("offset")) {
raimund@177:             double offset = 0;
raimund@177:             try {
raimund@177:                 offset = Double.parseDouble(
raimund@177:                              symbolElement.getAttribute("offset"));
raimund@177:                 if(Math.abs(offset) < 1 && offset > 0) {
raimund@177:                     offset = 1;
raimund@177:                 }
raimund@177:                 else if (Math.abs(offset) < 1 && offset < 0) {
raimund@177:                     offset = -1;
raimund@177:                 }
raimund@177:                 style.setOffsetx(offset);
raimund@177:                 style.setOffsety(-99); 
raimund@177:             }
raimund@177:             catch(NumberFormatException nfe) {
raimund@177:                 logger.warn("Could not set offset.");
raimund@177:             }
raimund@177:         }
raimund@177: 
raimund@177:         if(symbolElement.hasAttribute("miterlimit")) {
raimund@177:             double miter = 0;
raimund@177:             try {
raimund@177:                 miter = Double.parseDouble(
raimund@177:                             symbolElement.getAttribute("miterlimit"));
raimund@177:                 style.setLinejoinmaxsize(miter);
raimund@177:             }
raimund@177:             catch(NumberFormatException nfe) {
raimund@177:                 logger.warn("Could not set miter limit.");
raimund@177:             }
raimund@177:         }
raimund@177: 
vc11884admin@141:         String type = symbolElement.getAttribute("type");
vc11884admin@141:         if(type.equals("marker")) {
vc11884admin@141:             SymbolWriter sw = new SymbolWriter(this.map, this.cl);
vc11884admin@141:             sw.write(symbolElement);
vc11884admin@147:             String name = symbolElement.getAttribute("name");
vc11884admin@147:             style.setSymbolByName(map, name);
vc11884admin@147:             symbolObj sym = symbolSet.getSymbolByName(name);
vc11884admin@141:         }
rrenkert@95: 
rrenkert@95:         //The following lines are for dashed and/or dotted lines.
rrenkert@122:         if(symbolElement.hasAttribute("linestyle")) {
rrenkert@95:             String ls = symbolElement.getAttribute("linestyle");
rrenkert@95:             double[] vals;
rrenkert@95:             if(ls.equals("dash")) {
rrenkert@95:                 style.setPatternlength(2);
rrenkert@122:                 vals = new double[] {4.0, 4.0, 0, 0, 0, 0, 0, 0, 0, 0};
rrenkert@95:                 style.setPattern(vals);
rrenkert@95:             }
rrenkert@95:             else if(ls.equals("dot")) {
rrenkert@95:                 style.setPatternlength(2);
rrenkert@122:                 vals = new double[] {1.0, 4.0, 0, 0, 0, 0, 0, 0, 0, 0};
rrenkert@95:                 style.setPattern(vals);
rrenkert@95:             }
rrenkert@95:             else if(ls.equals("dashdot")) {
rrenkert@95:                 style.setPatternlength(4);
rrenkert@122:                 vals = new double[] {5.0, 4.0, 1.0, 4.0, 0, 0, 0, 0, 0, 0};
rrenkert@95:                 style.setPattern(vals);
rrenkert@95:             }
rrenkert@95:             else if (ls.equals("dashdotdot")) {
rrenkert@95:                 style.setPatternlength(6);
rrenkert@122:                 vals = new double[] {5.0, 4.0, 1.0, 3.0, 1.0, 4.0, 0, 0, 0, 0};
rrenkert@95:                 style.setPattern(vals);
rrenkert@95:             }
rrenkert@95:         }
rrenkert@136:         else if(symbolElement.hasAttribute("pattern_count")) {
rrenkert@136:             int count = 0;
rrenkert@136:             try {
rrenkert@136:                 count = Integer.parseInt(
rrenkert@136:                             symbolElement.getAttribute("pattern_count"));
rrenkert@136:                 double[] vals = new double[10];
rrenkert@136:                 double move = 0.0;
rrenkert@136:                 int pos = 0;
rrenkert@136:                 for(int i = 0; i < count; i++) {
rrenkert@136:                     double mark =
rrenkert@180:                         Double.parseDouble(symbolElement.getAttribute("mark_" +
rrenkert@180:                                                                       i));
rrenkert@136:                     double gap =
rrenkert@180:                         Double.parseDouble(symbolElement.getAttribute("gap_" +
rrenkert@180:                                                                       i));
rrenkert@136:                     if(i == 0 && mark == 0.0) {
rrenkert@136:                         move = gap;
rrenkert@136:                     }
rrenkert@136:                     else if(i == count - 1 && move > 0.0) {
rrenkert@136:                        vals[pos++] = mark;
rrenkert@136:                        vals[pos++] = gap + move;
rrenkert@136:                     }
rrenkert@136:                     else {
rrenkert@136:                         vals[pos++] = mark;
rrenkert@136:                         vals[pos++] = gap;
rrenkert@136:                     }
rrenkert@136:                 }
rrenkert@136:                 if(move > 0.0) {
rrenkert@136:                     style.setPatternlength((count*2) -2);
rrenkert@136:                 }
rrenkert@136:                 else {
rrenkert@136:                     style.setPatternlength(count*2);
rrenkert@136:                 }
rrenkert@136:                 style.setPattern(vals);
rrenkert@136:             }
rrenkert@136:             catch(NumberFormatException nfe) {
rrenkert@136:                 logger.warn("Could not write PATTERN.");
rrenkert@136:             }
rrenkert@136:         }
rrenkert@95:         return false;
rrenkert@95:     }
rrenkert@95: }
rrenkert@95: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :