--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonSeries.java	Fri Sep 28 12:14:00 2012 +0200
@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2010 by Intevation GmbH
+ *
+ * This program is free software under the LGPL (>=v2.1)
+ * Read the file LGPL.txt coming with the software for details
+ * or visit http://www.gnu.org/licenses/ if it does not exist.
+ */
+
+package de.intevation.gnv.jfreechart;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.jfree.data.Range;
+
+import org.jfree.data.general.Series;
+
+/**
+ * This class represents a series of polygon items.
+ *
+ * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha Teichmann</a>
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class PolygonSeries
+extends      Series
+{
+    /**
+     * Polygons.
+     */
+    protected CompactXYItems []  rings;
+
+    /**
+     * A map containing attribues.
+     */
+    protected Map                attributes;
+
+    /**
+     * The unique key of this series.
+     */
+    private static long uniqueKey;
+
+    /**
+     *
+     * @return a unique key.
+     */
+    protected synchronized static Long createUniqueKey() {
+        return new Long(uniqueKey++);
+    }
+
+    /**
+     * Constructor to create an empty PolygonSeries with a unique key.
+     */
+    public PolygonSeries() {
+        this(createUniqueKey(), null);
+    }
+
+    /**
+     *
+     * @param key The key used for  this series.
+     * @param rings Polygons.
+     */
+    public PolygonSeries(Comparable key, CompactXYItems [] rings) {
+        this(key, null, rings, new HashMap());
+    }
+
+    /**
+     *
+     * @param key The key used for this series.
+     * @param description A description of this series.
+     * @param rings Polygons.
+     */
+    public PolygonSeries(
+        Comparable       key,
+        String           description,
+        CompactXYItems[] rings
+    ) {
+        this(key, description, rings, new HashMap());
+    }
+
+    /**
+     *
+     * @param key The key used for this series.
+     * @param description A description of this series.
+     * @param rings Polygons.
+     * @param attributes Some attribues.
+     */
+    public PolygonSeries(
+        Comparable        key,
+        String            description,
+        CompactXYItems [] rings,
+        Map               attributes
+    ) {
+        super(key, description);
+        this.rings      = rings;
+        this.attributes = attributes;
+    }
+
+
+    public void setRings(CompactXYItems [] rings) {
+        this.rings = rings;
+    }
+
+
+    public CompactXYItems [] getRings() {
+        return rings;
+    }
+
+
+    public void addRing(CompactXYItems newRing) {
+        if (rings == null) {
+            rings = new CompactXYItems [] { newRing };
+        }
+        else {
+            CompactXYItems [] nRings = new CompactXYItems[rings.length + 1];
+            System.arraycopy(rings, 0, nRings, 0, rings.length);
+            nRings[rings.length] = newRing;
+            rings = nRings;
+        }
+    }
+
+
+    public void addRings(CompactXYItems [] newRings) {
+        if (newRings == null || newRings.length == 0) {
+            return;
+        }
+        if (rings == null || rings.length == 0) {
+            rings = newRings;
+        }
+        else {
+            CompactXYItems [] both =
+                new CompactXYItems[rings.length + newRings.length];
+            System.arraycopy(rings, 0, both, 0, rings.length);
+            System.arraycopy(newRings, 0, both, rings.length, newRings.length);
+            rings = both;
+        }
+    }
+
+
+    public Object getAttribute(Object key) {
+        return attributes.get(key);
+    }
+
+
+    public Object setAttribute(Object key, Object value) {
+        return attributes.put(key, value);
+    }
+
+
+    public int getItemCount() {
+        return rings != null ? rings.length : 0;
+    }
+
+
+    public CompactXYItems getItem(int idx) {
+        return rings[idx];
+    }
+
+
+    public Object removeAttribute(Object key) {
+        return attributes.remove(key);
+    }
+
+
+    public boolean hasAttribute(Object key) {
+        return attributes.containsKey(key);
+    }
+
+
+    /**
+     *
+     * @return the range of the x axis.
+     */
+    public Range getDomainBounds() {
+        double upper = Double.NEGATIVE_INFINITY;
+        double lower = Double.POSITIVE_INFINITY;
+        int    count = getItemCount();
+
+        for (int i = 0; i < count; i++) {
+            CompactXYItems  items = getItem(i);
+            double          minX  = items.getMinX();
+            double          maxX  = items.getMaxX();
+
+            if (!Double.isNaN(minX)) {
+                lower = Math.min(lower, minX);
+            }
+
+            if (!Double.isNaN(maxX)) {
+                upper = Math.max(upper, maxX);
+            }
+        }
+
+        if (lower > upper) {
+            return null;
+        }
+
+        return new Range(lower, upper);
+    }
+
+
+    /**
+     *
+     * @return the range of the y axis.
+     */
+    public Range getRangeBounds() {
+        double upper = Double.NEGATIVE_INFINITY;
+        double lower = Double.POSITIVE_INFINITY;
+        int    count = getItemCount();
+
+        for (int i = 0; i < count; i++) {
+            CompactXYItems  items = getItem(i);
+            double          minY  = items.getMinY();
+            double          maxY  = items.getMaxY();
+
+            if (!Double.isNaN(minY)) {
+                lower = Math.min(lower, minY);
+            }
+
+            if (!Double.isNaN(maxY)) {
+                upper = Math.max(upper, maxY);
+            }
+        }
+
+        if (lower > upper) {
+            return null;
+        }
+
+        return new Range(lower, upper);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :