/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.charts;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.renderer.AbstractRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.Values2D;
import java.awt.Color;
import java.awt.image.BufferedImage;
/**
* Base implementation to generate charts with JFreechart
*
* @since 1.10
* @deprecated in 4.5.1, replaced by Javascript charts
*/
@Deprecated
public abstract class AbstractChart implements Chart {
public static final int FONT_SIZE = 13;
public static final Color OUTLINE_COLOR = new Color(51, 51, 51);
public static final Color GRID_COLOR = new Color(204, 204, 204);
public static final Color[] COLORS = new Color[] { Color.decode("#4192D9"), Color.decode("#800000"), Color.decode("#A7B307"),
Color.decode("#913C9F"), Color.decode("#329F4D") };
protected abstract Plot getPlot(ChartParameters params);
protected boolean hasLegend() {
return false;
}
/**
* Generates a JFreeChart chart using a set of parameters
*
* @param params the chart parameters
* @return the generated chart
*/
@Override
public BufferedImage generateImage(ChartParameters params) {
JFreeChart chart = new JFreeChart(null, TextTitle.DEFAULT_FONT, getPlot(params), hasLegend());
improveChart(chart, params);
return chart.createBufferedImage(params.getWidth(), params.getHeight());
}
private void improveChart(JFreeChart jfrechart, ChartParameters params) {
Color background = Color.decode("#" + params.getValue(ChartParameters.PARAM_BACKGROUND_COLOR, "FFFFFF", false));
jfrechart.setBackgroundPaint(background);
jfrechart.setBorderVisible(false);
jfrechart.setAntiAlias(true);
jfrechart.setTextAntiAlias(true);
jfrechart.removeLegend();
}
@Override
public String toString() {
return getKey();
}
/**
* Helper to set color of series. If the parameter colorsHex is null, then default Sonar colors are used.
*/
protected void configureColors(Values2D dataset, CategoryPlot plot, String[] colorsHex) {
Color[] colors = COLORS;
if (colorsHex != null && colorsHex.length > 0) {
colors = new Color[colorsHex.length];
for (int i = 0; i < colorsHex.length; i++) {
colors[i] = Color.decode("#" + colorsHex[i]);
}
}
dataset.getColumnCount();
AbstractRenderer renderer = (AbstractRenderer) plot.getRenderer();
for (int i = 0; i < dataset.getColumnCount(); i++) {
renderer.setSeriesPaint(i, colors[i % colors.length]);
}
}
}