diff src/java/de/intevation/mxd/writer/LabelStyleWriter.java @ 317:5a2b5bc066eb

Implement Label Styles and Labels with background
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 20 Sep 2012 12:55:21 +0200
parents
children b6c0fbae16dc
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java/de/intevation/mxd/writer/LabelStyleWriter.java	Thu Sep 20 12:55:21 2012 +0200
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2012 by Intevation GmbH, Germany <info@intevation.de>
+ *
+ * This file is part of MXD2map.
+ *
+ * This program is free software under the LGPL (>=v2.1)
+ * Read the file LICENCE.txt coming with the software for details
+ * or visit http://www.gnu.org/licenses/ if it does not exist.
+ *
+ * MXD2map has been developed on behalf of the
+ * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
+ * by Intevation GmbH.
+ *
+ * Authors:
+ * Raimund Renkert <raimund.renkert@intevation.de>
+ * Bjoern Schilberg <bjoern.schilberg@intevation.de>
+ * Stephan Holl <stephan.holl@intevation.de>
+ */
+
+package de.intevation.mxd.writer;
+
+import java.awt.Color;
+
+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.colorObj;
+import edu.umn.gis.mapscript.labelObj;
+import edu.umn.gis.mapscript.symbolSetObj;
+
+
+/**
+ * The interface to the mapfile writer.
+ *
+ * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a>
+ */
+public class LabelStyleWriter {
+
+    /**
+     * The Logger.
+     */
+    private static final Logger logger = Logger.getLogger(LabelStyleWriter.class);
+
+    /**
+     * Private member.
+     */
+    private mapObj map;
+    private classObj cl;
+    private styleObj style;
+
+    /**
+     * Contructor with map object and class object.
+     *
+     * @param map The map object.
+     * @param cl  The class object containing the style.
+     */
+    public LabelStyleWriter(mapObj map, classObj cl) {
+        this.map = map;
+        this.cl = cl;
+        this.style = new styleObj(cl);
+    }
+
+    /**
+     * Write the content.
+     *
+     * @param symbolElement DOM element containing style attributes.
+     */
+    public boolean write(Element symbolElement) {
+        logger.debug("write(Element)");
+
+        style.setGeomTransform("labelpoly");
+        cl.getLabel().insertStyle(style, -1);
+
+        symbolSetObj symbolSet = map.getSymbolset();
+
+        if (symbolElement.hasAttribute("angle")) {
+            try {
+                style.setAngle(
+                    Double.parseDouble(symbolElement.getAttribute("angle")));
+            }
+            catch(NumberFormatException nfe) {
+                logger.warn("Error setting angle.");
+                style.setAngle(0.0);
+            }
+        }
+        if(symbolElement.hasAttribute("angleBinding")) {
+            style.setBinding(2,
+                    symbolElement.getAttribute("angleBinding"));
+        }
+        if (symbolElement.hasAttribute("bg_color")) {
+            // Background color takes precedence over the color as
+            // background color can be archived by geomtransform
+            String c = symbolElement.getAttribute("bg_color");
+            Color col = Color.decode(c);
+            colorObj color = new colorObj(
+                col.getRed(),
+                col.getGreen(),
+                col.getBlue(),
+                -4);
+            style.setColor(color);
+        } else 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")) {
+            try {
+                style.setSize(Double.parseDouble(
+                    symbolElement.getAttribute("size")));
+            }
+            catch(NumberFormatException nfe) {
+                logger.warn("Error setting size. Setting to deafult: 1.");
+                style.setSize(1);
+            }
+        }
+        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);
+            try {
+                style.setOutlinewidth(Double.parseDouble(
+                    symbolElement.getAttribute("outline_size")));
+            }
+            catch(NumberFormatException nfe) {
+                logger.warn("Error setting outline width.");
+            }
+        }
+
+        if (symbolElement.hasAttribute("x_offset")) {
+            try {
+                double val = 
+                    Double.parseDouble(symbolElement.getAttribute("x_offset"));
+                double r = Math.round(val);
+                style.setOffsetx(r);
+            }
+            catch (NumberFormatException nfe) {
+                logger.warn("Error setting the symbol x-offset");
+            }
+        }
+        if (symbolElement.hasAttribute("y_offset")) {
+            try {
+                double val =
+                    Double.parseDouble(symbolElement.getAttribute("y_offset"));
+                double r = Math.round(val);
+                //In ArcGIS positive y offset values move the symbol upwards,
+                //in Mapserver positive values move downwards.
+                r = -r;
+                style.setOffsety(r);
+            }
+            catch (NumberFormatException nfe) {
+                logger.warn("Error setting the symbol y-offset.");
+            }
+        }
+        String symType = symbolElement.getAttribute("style");
+        if(symType.equals("point") ||
+           symType.equals("arrow") ||
+           symType.equals("char") ||
+           symType.equals("picture")) {
+           SymbolWriter sw = new SymbolWriter(this.map, this.cl);
+           sw.write(symbolElement);
+        }
+        else {
+            return false;
+        }
+
+        String name = symbolElement.getAttribute("name");
+        style.setSymbolByName(map, name);
+
+        return true;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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