rrenkert@97: package de.intevation.mxd.writer;
rrenkert@97: 
rrenkert@97: import java.io.IOException;
rrenkert@97: import java.awt.Color;
rrenkert@97: import org.apache.log4j.Logger;
rrenkert@97: 
rrenkert@97: import org.w3c.dom.Element;
rrenkert@97: import org.w3c.dom.NodeList;
rrenkert@97: 
rrenkert@97: import edu.umn.gis.mapscript.mapObj;
rrenkert@97: import edu.umn.gis.mapscript.layerObj;
rrenkert@97: import edu.umn.gis.mapscript.classObj;
rrenkert@97: import edu.umn.gis.mapscript.styleObj;
rrenkert@97: import edu.umn.gis.mapscript.colorObj;
rrenkert@97: import edu.umn.gis.mapscript.symbolObj;
rrenkert@97: import edu.umn.gis.mapscript.symbolSetObj;
rrenkert@97: import edu.umn.gis.mapscript.lineObj;
rrenkert@97: import edu.umn.gis.mapscript.pointObj;
rrenkert@97: 
rrenkert@97: 
rrenkert@97: /**
rrenkert@97:  * The interface to the mapfile writer.
rrenkert@97:  *
rrenkert@97:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
rrenkert@97:  */
rrenkert@97: public class FillStyleWriter {
rrenkert@97: 
rrenkert@97:     /**
rrenkert@97:      * The Logger.
rrenkert@97:      */
rrenkert@97:     private static final Logger logger =
rrenkert@97:         Logger.getLogger(FillStyleWriter.class);
rrenkert@97: 
rrenkert@97:     private mapObj map;
rrenkert@97:     private classObj cl;
rrenkert@97:     private styleObj style;
rrenkert@97: 
rrenkert@97:     public FillStyleWriter (mapObj map, classObj cl) {
rrenkert@97:         logger.debug("contructor(mapObj, classObj)");
rrenkert@97:         this.map = map;
rrenkert@97:         this.cl = cl;
rrenkert@97:         this.style = new styleObj(cl);
rrenkert@97:     }
rrenkert@97: 
rrenkert@97:     /**
rrenkert@97:      * Write the content.
rrenkert@97:      */
rrenkert@97:     public boolean write(Element symbolElement)
rrenkert@97:     throws Exception {
rrenkert@97:         symbolSetObj symbolSet = map.getSymbolset();
rrenkert@97: 
rrenkert@97:         if(symbolElement.hasChildNodes()) {
rrenkert@97:             NodeList symbols = symbolElement.getChildNodes();
rrenkert@97:             for (int i = 0; i < symbols.getLength(); i++) {
rrenkert@97:                 Element nextSym = (Element)symbols.item(i);
rrenkert@97:                 String type = nextSym.getAttribute("type");
rrenkert@97: 
rrenkert@97:                 if(((symbols.getLength() > 1 && i == 0) ||
rrenkert@97:                     (symbols.getLength() == 1 &&
rrenkert@97:                      !symbolElement.hasAttribute("hatch"))) &&
rrenkert@97:                    type.equals("line")) {
rrenkert@97:                     writeOutline(nextSym);
rrenkert@97:                     if (symbols.getLength() == 1) {
rrenkert@97:                         writeSimple(symbolElement);
rrenkert@97:                     }
rrenkert@97:                 }
rrenkert@97:                 else if(nextSym.getTagName().equals("symbol") &&
rrenkert@97:                    !symbolElement.hasAttribute("hatch") ||
rrenkert@97:                    (i == 1 && type.equals("marker"))) {
rrenkert@97:                     double gap = 0;
rrenkert@97:                     if(symbolElement.hasAttribute("xseparation")) {
rrenkert@97:                         gap = Double.parseDouble(
rrenkert@97:                             symbolElement.getAttribute("xseparation"));
rrenkert@97:                     }
rrenkert@97:                     writeMarker(nextSym, gap);
rrenkert@97:                 }
rrenkert@97:                 else if (nextSym.getTagName().equals("symbol") &&
rrenkert@97:                          symbolElement.hasAttribute("hatch")) {
rrenkert@97:                     if(symbolElement.hasAttribute("angle")) {
rrenkert@97:                         nextSym.setAttribute(
rrenkert@97:                             "angle",
rrenkert@97:                             symbolElement.getAttribute("angle"));
rrenkert@97:                     }
rrenkert@97:                     if(symbolElement.hasAttribute("separation")) {
rrenkert@97:                         nextSym.setAttribute(
rrenkert@97:                             "size",
rrenkert@97:                             symbolElement.getAttribute("separation"));
rrenkert@97:                     }
rrenkert@97:                     writeMarker(nextSym, -1);
rrenkert@97:                 }
rrenkert@97:                 else {
rrenkert@97:                     writeSimple(symbolElement);
rrenkert@97:                 }
rrenkert@97:             }
rrenkert@97:         }
rrenkert@97:         else {
rrenkert@97:             writeSimple(symbolElement);
rrenkert@97:             if(symbolElement.hasAttribute("outline_color")) {
rrenkert@97:                 Color oCol = Color.decode(
rrenkert@97:                     symbolElement.getAttribute("outline_color"));
rrenkert@97:                 colorObj outlineColor = new colorObj(
rrenkert@97:                     oCol.getRed(),
rrenkert@97:                     oCol.getGreen(),
rrenkert@97:                     oCol.getBlue(),
rrenkert@97:                     -4);
rrenkert@97:                 style.setOutlinecolor(outlineColor);
rrenkert@97:                 style.setOutlinewidth(Double.parseDouble(
rrenkert@97:                     symbolElement.getAttribute("outline_size")));
rrenkert@97:             }
rrenkert@97: 
rrenkert@97:         }
rrenkert@97: 
rrenkert@97:         return true;
rrenkert@97:     }
rrenkert@97: 
rrenkert@97:     /**
rrenkert@97:      * Write the outline for a polygon.
rrenkert@97:      */
rrenkert@97:     private void writeOutline(Element symbolElement)
rrenkert@97:     throws Exception {
rrenkert@97:         logger.debug("writeOutline()");
rrenkert@97:         //write transparent outline
rrenkert@97:         colorObj color = new colorObj(-1, -1, -1, -4);
rrenkert@97: 
rrenkert@97:         //write new style for the outline
rrenkert@97:         //TODO write further attribute like pattern etc.
rrenkert@97:         Color oCol = Color.decode(
rrenkert@97:             symbolElement.getAttribute("color"));
rrenkert@97: 
rrenkert@97:         styleObj outline = new styleObj (cl);
rrenkert@97: 
rrenkert@97:         colorObj outlinecolor = new colorObj(
rrenkert@97:             oCol.getRed(),
rrenkert@97:             oCol.getGreen(),
rrenkert@97:             oCol.getBlue(),
rrenkert@97:             -4);
rrenkert@97:         outline.setOutlinecolor(outlinecolor);
rrenkert@97:         outline.setOutlinewidth(Double.parseDouble(
rrenkert@97:             symbolElement.getAttribute("width")));
rrenkert@97:     }
rrenkert@97: 
rrenkert@97:     /**
rrenkert@97:      * Write marker attributes and a symbol for the polygon fill.
rrenkert@97:      */
rrenkert@97:     private void writeMarker(Element symbolElement, double gap)
rrenkert@97:     throws Exception {
rrenkert@97:         logger.debug("writeMarker()");
rrenkert@97:         String name = symbolElement.getAttribute("name");
rrenkert@97:         String type = symbolElement.getAttribute("type");
rrenkert@97:         if (symbolElement.hasAttribute("angle")) {
rrenkert@97:             style.setAngle(
rrenkert@97:                 Double.parseDouble(symbolElement.getAttribute("angle")));
rrenkert@97:         }
rrenkert@97:         if(symbolElement.hasAttribute("color")) {
rrenkert@97:             String c = symbolElement.getAttribute("color");
rrenkert@97:             Color col = Color.decode(c);
rrenkert@97:             colorObj color = new colorObj(
rrenkert@97:                 col.getRed(),
rrenkert@97:                 col.getGreen(),
rrenkert@97:                 col.getBlue(),
rrenkert@97:                 -4);
rrenkert@97:             style.setColor(color);
rrenkert@97:         }
rrenkert@97:         if (symbolElement.hasAttribute ("size")) {
rrenkert@97:             double size = Double.parseDouble(
rrenkert@97:                 symbolElement.getAttribute("size"));
rrenkert@97:             style.setSize(size);
rrenkert@97:             //In arcgis the separation goes from center to center, so the gap is
rrenkert@97:             //the separation - size
rrenkert@97:             if (gap > 0) {
rrenkert@97:                 style.setGap(gap - size);
rrenkert@97:             }
rrenkert@97:         }
rrenkert@97:         if(symbolElement.hasAttribute("outline_color")) {
rrenkert@97:             Color oCol = Color.decode(
rrenkert@97:                 symbolElement.getAttribute("outline_color"));
rrenkert@97:             colorObj outlineColor = new colorObj(
rrenkert@97:                 oCol.getRed(),
rrenkert@97:                 oCol.getGreen(),
rrenkert@97:                 oCol.getBlue(),
rrenkert@97:                 -4);
rrenkert@97:             style.setOutlinecolor(outlineColor);
rrenkert@97:             style.setOutlinewidth(Double.parseDouble(
rrenkert@97:                 symbolElement.getAttribute("outline_size")));
rrenkert@97:         }
rrenkert@97: 
rrenkert@97:         if(type.equals("marker")) {
rrenkert@97:             style.setSymbolByName(map, name);
rrenkert@97:             SymbolWriter sw = new SymbolWriter(this.map, this.cl);
rrenkert@97:             sw.write(symbolElement);
rrenkert@97:         }
rrenkert@97:         else if(type.equals("line")) {
rrenkert@97:             style.setSymbolByName(map, "hatch");
rrenkert@97:             SymbolWriter sw = new SymbolWriter(this.map, this.cl);
rrenkert@97:             symbolElement.setAttribute("name", "hatch");
rrenkert@97:             sw.write(symbolElement);
rrenkert@97:         }
rrenkert@97:     }
rrenkert@97: 
rrenkert@97:     /**
rrenkert@97:      * Write simple fill attributes.
rrenkert@97:      */
rrenkert@97:     private void writeSimple(Element symbolElement) {
rrenkert@97:         logger.debug("writeSimple(Element)");
rrenkert@97:         if(symbolElement.hasAttribute("transparency")) {
rrenkert@97:             double value = Double.parseDouble(
rrenkert@97:                 symbolElement.getAttribute("transparency"));
rrenkert@97:             int opacity = (int)(value/255) * 100;
rrenkert@97:             if(value >= 0) {
rrenkert@97:                 style.setOpacity(opacity);
rrenkert@97:             }
rrenkert@97:         }
rrenkert@97:         if(symbolElement.hasAttribute("color")) {
rrenkert@97:             String c = symbolElement.getAttribute("color");
rrenkert@97:             Color col = Color.decode(c);
rrenkert@97:             colorObj color = new colorObj(
rrenkert@97:                 col.getRed(),
rrenkert@97:                 col.getGreen(),
rrenkert@97:                 col.getBlue(),
rrenkert@97:                 -4);
rrenkert@97:             style.setColor(color);
rrenkert@97:         }
rrenkert@97:     }
rrenkert@97: }
rrenkert@97: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :