gernotbelger@9496: /** Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
gernotbelger@9496:  * Software engineering by
gernotbelger@9496:  *  Björnsen Beratende Ingenieure GmbH
gernotbelger@9496:  *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
gernotbelger@9496:  *
gernotbelger@9496:  * This file is Free Software under the GNU AGPL (>=v3)
gernotbelger@9496:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
gernotbelger@9496:  * documentation coming with Dive4Elements River for details.
gernotbelger@9496:  */
gernotbelger@9496: package org.dive4elements.river.jfree;
gernotbelger@9496: 
gernotbelger@9496: import java.awt.Graphics2D;
gernotbelger@9496: import java.awt.Paint;
gernotbelger@9496: import java.awt.Stroke;
gernotbelger@9496: import java.awt.geom.GeneralPath;
gernotbelger@9496: import java.awt.geom.Rectangle2D;
gernotbelger@9496: 
gernotbelger@9496: import org.dive4elements.river.jfree.StripedAreaDataset.Stripe;
gernotbelger@9496: import org.jfree.chart.axis.ValueAxis;
gernotbelger@9496: import org.jfree.chart.plot.CrosshairState;
gernotbelger@9496: import org.jfree.chart.plot.PlotRenderingInfo;
gernotbelger@9496: import org.jfree.chart.plot.XYPlot;
gernotbelger@9496: import org.jfree.chart.renderer.xy.AbstractXYItemRenderer;
gernotbelger@9496: import org.jfree.chart.renderer.xy.XYItemRendererState;
gernotbelger@9496: import org.jfree.data.xy.XYDataset;
gernotbelger@9496: 
gernotbelger@9496: /**
gernotbelger@9496:  * @author Domenico Nardi Tironi
gernotbelger@9496:  */
gernotbelger@9496: final class StripedAreaDatasetRenderer extends AbstractXYItemRenderer {
gernotbelger@9496: 
gernotbelger@9496:     private static final long serialVersionUID = 1L;
gernotbelger@9496: 
gernotbelger@9496:     @Override
gernotbelger@9496:     public void drawItem(final Graphics2D g2, final XYItemRendererState state, final Rectangle2D dataArea, final PlotRenderingInfo info, final XYPlot plot,
gernotbelger@9496:             final ValueAxis domainAxis, final ValueAxis rangeAxis, final XYDataset dataset, final int series, final int item,
gernotbelger@9496:             final CrosshairState crosshairState, final int pass) {
gernotbelger@9496: 
gernotbelger@9496:         if (item != 0)
gernotbelger@9496:             return;
gernotbelger@9496: 
gernotbelger@9496:         final StripedAreaDataset stripedDataset = (StripedAreaDataset) dataset;
gernotbelger@9496:         final Stripe stripe = stripedDataset.getStripe(series);
gernotbelger@9496: 
gernotbelger@9496:         final double lower = stripe.getLower();
gernotbelger@9496:         final double upper = stripe.getUpper();
gernotbelger@9496: 
gernotbelger@9496:         final double transLower = Double.isNaN(lower) ? dataArea.getMaxY() : rangeAxis.valueToJava2D(lower, dataArea, plot.getRangeAxisEdge());
gernotbelger@9496:         final double transUpper = Double.isNaN(upper) ? dataArea.getMinY() : rangeAxis.valueToJava2D(upper, dataArea, plot.getRangeAxisEdge());
gernotbelger@9496: 
gernotbelger@9496:         final double transLeft = dataArea.getMinX();
gernotbelger@9496:         final double transRight = dataArea.getMaxX();
gernotbelger@9496: 
gernotbelger@9496:         final GeneralPath area = new GeneralPath();
gernotbelger@9496: 
gernotbelger@9496:         area.moveTo(transLeft, transLower);
gernotbelger@9496:         area.lineTo(transRight, transLower);
gernotbelger@9496:         area.lineTo(transRight, transUpper);
gernotbelger@9496:         area.lineTo(transLeft, transUpper);
gernotbelger@9496:         area.closePath();
gernotbelger@9496: 
gernotbelger@9496:         final Paint paint = getItemPaint(series, item);
gernotbelger@9496:         final Stroke stroke = getItemStroke(series, item);
gernotbelger@9496:         g2.setPaint(paint);
gernotbelger@9496:         g2.setStroke(stroke);
gernotbelger@9496: 
gernotbelger@9496:         g2.fill(area);
gernotbelger@9496:     }
gernotbelger@9496: }