Mercurial > mxd2map
diff src/java/de/intevation/mxd/writer/FillStyleWriter.java @ 97:18e4f143896b
Added polygon writer.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Mon, 06 Jun 2011 17:24:43 +0200 |
parents | |
children | 461ee9193097 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java/de/intevation/mxd/writer/FillStyleWriter.java Mon Jun 06 17:24:43 2011 +0200 @@ -0,0 +1,225 @@ +package de.intevation.mxd.writer; + +import java.io.IOException; +import java.awt.Color; +import org.apache.log4j.Logger; + +import org.w3c.dom.Element; +import org.w3c.dom.NodeList; + +import edu.umn.gis.mapscript.mapObj; +import edu.umn.gis.mapscript.layerObj; +import edu.umn.gis.mapscript.classObj; +import edu.umn.gis.mapscript.styleObj; +import edu.umn.gis.mapscript.colorObj; +import edu.umn.gis.mapscript.symbolObj; +import edu.umn.gis.mapscript.symbolSetObj; +import edu.umn.gis.mapscript.lineObj; +import edu.umn.gis.mapscript.pointObj; + + +/** + * The interface to the mapfile writer. + * + * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> + */ +public class FillStyleWriter { + + /** + * The Logger. + */ + private static final Logger logger = + Logger.getLogger(FillStyleWriter.class); + + private mapObj map; + private classObj cl; + private styleObj style; + + public FillStyleWriter (mapObj map, classObj cl) { + logger.debug("contructor(mapObj, classObj)"); + this.map = map; + this.cl = cl; + this.style = new styleObj(cl); + } + + /** + * Write the content. + */ + public boolean write(Element symbolElement) + throws Exception { + symbolSetObj symbolSet = map.getSymbolset(); + + if(symbolElement.hasChildNodes()) { + NodeList symbols = symbolElement.getChildNodes(); + for (int i = 0; i < symbols.getLength(); i++) { + Element nextSym = (Element)symbols.item(i); + String type = nextSym.getAttribute("type"); + + if(((symbols.getLength() > 1 && i == 0) || + (symbols.getLength() == 1 && + !symbolElement.hasAttribute("hatch"))) && + type.equals("line")) { + writeOutline(nextSym); + if (symbols.getLength() == 1) { + writeSimple(symbolElement); + } + } + else if(nextSym.getTagName().equals("symbol") && + !symbolElement.hasAttribute("hatch") || + (i == 1 && type.equals("marker"))) { + double gap = 0; + if(symbolElement.hasAttribute("xseparation")) { + gap = Double.parseDouble( + symbolElement.getAttribute("xseparation")); + } + writeMarker(nextSym, gap); + } + else if (nextSym.getTagName().equals("symbol") && + symbolElement.hasAttribute("hatch")) { + if(symbolElement.hasAttribute("angle")) { + nextSym.setAttribute( + "angle", + symbolElement.getAttribute("angle")); + } + if(symbolElement.hasAttribute("separation")) { + nextSym.setAttribute( + "size", + symbolElement.getAttribute("separation")); + } + writeMarker(nextSym, -1); + } + else { + writeSimple(symbolElement); + } + } + } + else { + writeSimple(symbolElement); + if(symbolElement.hasAttribute("outline_color")) { + Color oCol = Color.decode( + symbolElement.getAttribute("outline_color")); + colorObj outlineColor = new colorObj( + oCol.getRed(), + oCol.getGreen(), + oCol.getBlue(), + -4); + style.setOutlinecolor(outlineColor); + style.setOutlinewidth(Double.parseDouble( + symbolElement.getAttribute("outline_size"))); + } + + } + + return true; + } + + /** + * Write the outline for a polygon. + */ + private void writeOutline(Element symbolElement) + throws Exception { + logger.debug("writeOutline()"); + //write transparent outline + colorObj color = new colorObj(-1, -1, -1, -4); + + //write new style for the outline + //TODO write further attribute like pattern etc. + Color oCol = Color.decode( + symbolElement.getAttribute("color")); + + styleObj outline = new styleObj (cl); + + colorObj outlinecolor = new colorObj( + oCol.getRed(), + oCol.getGreen(), + oCol.getBlue(), + -4); + outline.setOutlinecolor(outlinecolor); + outline.setOutlinewidth(Double.parseDouble( + symbolElement.getAttribute("width"))); + } + + /** + * Write marker attributes and a symbol for the polygon fill. + */ + private void writeMarker(Element symbolElement, double gap) + throws Exception { + logger.debug("writeMarker()"); + String name = symbolElement.getAttribute("name"); + String type = symbolElement.getAttribute("type"); + if (symbolElement.hasAttribute("angle")) { + style.setAngle( + Double.parseDouble(symbolElement.getAttribute("angle"))); + } + if(symbolElement.hasAttribute("color")) { + String c = symbolElement.getAttribute("color"); + Color col = Color.decode(c); + colorObj color = new colorObj( + col.getRed(), + col.getGreen(), + col.getBlue(), + -4); + style.setColor(color); + } + if (symbolElement.hasAttribute ("size")) { + double size = Double.parseDouble( + symbolElement.getAttribute("size")); + style.setSize(size); + //In arcgis the separation goes from center to center, so the gap is + //the separation - size + if (gap > 0) { + style.setGap(gap - size); + } + } + if(symbolElement.hasAttribute("outline_color")) { + Color oCol = Color.decode( + symbolElement.getAttribute("outline_color")); + colorObj outlineColor = new colorObj( + oCol.getRed(), + oCol.getGreen(), + oCol.getBlue(), + -4); + style.setOutlinecolor(outlineColor); + style.setOutlinewidth(Double.parseDouble( + symbolElement.getAttribute("outline_size"))); + } + + if(type.equals("marker")) { + style.setSymbolByName(map, name); + SymbolWriter sw = new SymbolWriter(this.map, this.cl); + sw.write(symbolElement); + } + else if(type.equals("line")) { + style.setSymbolByName(map, "hatch"); + SymbolWriter sw = new SymbolWriter(this.map, this.cl); + symbolElement.setAttribute("name", "hatch"); + sw.write(symbolElement); + } + } + + /** + * Write simple fill attributes. + */ + private void writeSimple(Element symbolElement) { + logger.debug("writeSimple(Element)"); + if(symbolElement.hasAttribute("transparency")) { + double value = Double.parseDouble( + symbolElement.getAttribute("transparency")); + int opacity = (int)(value/255) * 100; + if(value >= 0) { + style.setOpacity(opacity); + } + } + if(symbolElement.hasAttribute("color")) { + String c = symbolElement.getAttribute("color"); + Color col = Color.decode(c); + colorObj color = new colorObj( + col.getRed(), + col.getGreen(), + col.getBlue(), + -4); + style.setColor(color); + } + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :