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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ddmuilib.log.event;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.CrosshairState;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYItemRendererState;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.XYDataset;
import org.jfree.ui.RectangleEdge;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Stroke;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
/**
* Custom renderer to render event occurrence. This rendered ignores the y value, and simply
* draws a line from min to max at the time of the item.
*/
public class OccurrenceRenderer extends XYLineAndShapeRenderer {
private static final long serialVersionUID = 1L;
@Override
public void drawItem(Graphics2D g2,
XYItemRendererState state,
Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairState crosshairState,
int pass) {
TimeSeriesCollection timeDataSet = (TimeSeriesCollection)dataset;
// get the x value for the series/item.
double x = timeDataSet.getX(series, item).doubleValue();
// get the min/max of the range axis
double yMin = rangeAxis.getLowerBound();
double yMax = rangeAxis.getUpperBound();
RectangleEdge domainEdge = plot.getDomainAxisEdge();
RectangleEdge rangeEdge = plot.getRangeAxisEdge();
// convert the coordinates to java2d.
double x2D = domainAxis.valueToJava2D(x, dataArea, domainEdge);
double yMin2D = rangeAxis.valueToJava2D(yMin, dataArea, rangeEdge);
double yMax2D = rangeAxis.valueToJava2D(yMax, dataArea, rangeEdge);
// get the paint information for the series/item
Paint p = getItemPaint(series, item);
Stroke s = getItemStroke(series, item);
Line2D line = null;
PlotOrientation orientation = plot.getOrientation();
if (orientation == PlotOrientation.HORIZONTAL) {
line = new Line2D.Double(yMin2D, x2D, yMax2D, x2D);
}
else if (orientation == PlotOrientation.VERTICAL) {
line = new Line2D.Double(x2D, yMin2D, x2D, yMax2D);
}
g2.setPaint(p);
g2.setStroke(s);
g2.draw(line);
}
}
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