Java tutorial
package org.osjava.reportrunner_plugins.renderers.jfreechart.creators; /* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2004, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library 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 2.1 of the License, or (at your option) any later version. * * This library 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 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ---------------- * TexturedBarRenderer.java * ---------------- * */ import java.awt.BasicStroke; import java.awt.Color; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.TexturePaint; import java.awt.geom.GeneralPath; import java.awt.image.BufferedImage; import java.io.Serializable; import org.jfree.chart.renderer.category.BarRenderer; import org.jfree.util.PublicCloneable; /** * A {@link CategoryItemRenderer} that draws individual data items as bars. */ public class TexturedBarRenderer extends BarRenderer implements Cloneable, PublicCloneable, Serializable { public java.awt.Paint getSeriesPaint(int row) { BufferedImage bufferedImage = new BufferedImage(5, 5, BufferedImage.TYPE_INT_RGB); Graphics2D big = bufferedImage.createGraphics(); TexturePaint texture = null; int rowNum = row + 1; int patNum = 13; int formula = rowNum - ((rowNum / patNum) * patNum); if (formula == 0) { big.setColor(Color.orange); big.fillRect(0, 0, 5, 5); big.fillRect(1, 0, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 1) { big.setColor(Color.red); big.fillRect(0, 0, 5, 5); big.fillRect(1, 0, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 2) { Color color = Color.blue; big.setColor(Color.white); big.fillRect(0, 0, 5, 5); big.setColor(color); big.fillRect(0, 1, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 3) { Color color = Color.yellow; big.setColor(Color.orange); big.fillRect(0, 0, 5, 5); big.setColor(color); big.fillRect(1, 1, 4, 4); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 4) { big.setColor(Color.green); big.fillRect(0, 0, 5, 5); big.fillRect(1, 0, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 5) { big.setColor(Color.magenta); big.fillRect(0, 0, 5, 5); big.setColor(Color.pink); big.fillRect(0, 0, 4, 4); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 6) { float[] x = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f }; float[] y = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f }; GeneralPath path = new GeneralPath(); path.moveTo(x[0], y[0]); for (int j = 1; j < x.length; j++) { path.lineTo(x[j], y[j]); } big.setColor(new Color(226, 199, 252)); big.fillRect(0, 0, 5, 5); big.setColor(Color.blue); big.setStroke(new BasicStroke(1.0f)); big.draw(path); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 7) { big.setColor(Color.lightGray); big.fillRect(0, 0, 5, 5); big.setColor(Color.red); big.fillRect(1, 0, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 8) { float[] x = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f }; float[] y = { .5f, 1.5f, 2.0f, 2.5f, 3.0f, 3.5f, 4.0f, 4.5f, 5.0f }; GeneralPath path = new GeneralPath(); path.moveTo(x[0], y[0]); for (int j = 1; j < x.length; j++) { path.lineTo(x[j], y[j]); } big.setColor(Color.blue); big.fillRect(0, 0, 5, 5); big.setColor(Color.cyan); big.setStroke(new BasicStroke(2.0f)); big.draw(path); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 9) { Color color = new Color(0xBBBBDD); big.setColor(color); big.fillRect(0, 0, 5, 5); big.setColor(new Color(199, 201, 230)); big.fillRect(1, 0, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 10) { float[] x = { 1, 2, 3, 4, 5 }; float[] y = { 1, 2, 3, 4, 5 }; GeneralPath path = new GeneralPath(); path.moveTo(x[0], y[1]); path.lineTo(x[1], y[0]); path.moveTo(x[0], y[2]); path.lineTo(x[2], y[0]); path.moveTo(x[0], y[3]); path.lineTo(x[3], y[0]); path.moveTo(x[0], y[4]); path.lineTo(x[4], y[0]); big.setColor(Color.red); big.fillRect(0, 0, 5, 5); big.setColor(new Color(242, 242, 193)); big.setStroke(new BasicStroke(3.0f)); big.draw(path); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 11) { big.setColor(new Color(252, 169, 171)); big.fillOval(0, 0, 5, 6); big.setColor(new Color(252, 230, 230)); big.fillOval(0, 0, 3, 3); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } else if (formula == 12) { big.setColor(Color.green); big.fillRect(0, 0, 5, 5); big.setColor(new Color(20, 178, 38)); big.fillRect(2, 2, 5, 5); Rectangle r = new Rectangle(0, 0, 5, 5); texture = new TexturePaint(bufferedImage, r); } return texture; } }