Java tutorial
/** * Copyright (C) 2001-2015 by RapidMiner and the contributors * * Complete list of developers available at our web site: * * http://rapidminer.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see http://www.gnu.org/licenses/. */ package com.rapidminer.gui.new_plotter.engine.jfreechart.renderer; import com.rapidminer.gui.new_plotter.StaticDebug; import com.rapidminer.gui.new_plotter.engine.jfreechart.RenderFormatDelegate; import com.rapidminer.gui.new_plotter.utility.DataStructureUtils; import java.awt.Color; import java.awt.Paint; import java.awt.Shape; import org.jfree.chart.renderer.xy.XYDifferenceRenderer; /** * @author Marius Helf */ public class FormattedXYDifferenceRenderer extends XYDifferenceRenderer implements FormattedRenderer { private static final long serialVersionUID = 1L; private RenderFormatDelegate formatDelegate = new RenderFormatDelegate(); /** * The Difference plotter can only plot one series at a time, and that series has index 0. One * value source can contain multiple series. trueSeriesIdx stores which series in the value * source this FormattedXYDifferenceRenderer represents. * */ private int trueSeriesIdx; public FormattedXYDifferenceRenderer(int trueSeriesIdx) { super(); this.trueSeriesIdx = trueSeriesIdx; } @Override public RenderFormatDelegate getFormatDelegate() { return formatDelegate; } @Override public Paint getItemPaint(int seriesIdx, int valueIdx) { Paint paintFromDelegate = getFormatDelegate().getItemPaint(trueSeriesIdx, valueIdx); if (paintFromDelegate == null) { return super.getItemPaint(seriesIdx, valueIdx); } else { return paintFromDelegate; } } @Override public Shape getItemShape(int seriesIdx, int valueIdx) { Shape shapeFromDelegate = getFormatDelegate().getItemShape(seriesIdx, valueIdx); if (shapeFromDelegate == null) { return super.getItemShape(seriesIdx, valueIdx); } else { return shapeFromDelegate; } } @Override public Paint getPositivePaint() { StaticDebug.debug("getPositivePaint(): " + trueSeriesIdx); Color color = getFormatDelegate().getSeriesColor(trueSeriesIdx); if (color != null) { return DataStructureUtils.setColorAlpha(color, color.getAlpha() / 2); } else { return super.getPositivePaint(); } } @Override public Paint getNegativePaint() { StaticDebug.debug("getNegativePaint(): " + trueSeriesIdx); Color color = getFormatDelegate().getSeriesColor(trueSeriesIdx); if (color != null) { return (new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue(), color.getAlpha() / 2)); } else { return super.getNegativePaint(); } } @Override public Paint getItemOutlinePaint(int seriesIdx, int valueIdx) { if (getFormatDelegate().isItemSelected(seriesIdx, valueIdx)) { return super.getItemOutlinePaint(seriesIdx, valueIdx); } else { return DataStructureUtils.setColorAlpha(Color.LIGHT_GRAY, 20); } } }