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jfreechart example source code file (NumberAxis3D.java)

This example jfreechart source code file (NumberAxis3D.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, axisstate, axisstate, categoryitemrenderer, categoryplot, effect3d, effect3d, geometry, io, list, numberaxis, numberaxis3d, numberaxis3d, plotrenderinginfo, rectangle2d, rectangle2d, serializable, util

The jfreechart NumberAxis3D.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2009, 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
 * in the United States and other countries.]
 *
 * -----------------
 * NumberAxis3D.java
 * -----------------
 * (C) Copyright 2001-2009, by Serge V. Grachov and Contributors.
 *
 * Original Author:  Serge V. Grachov;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *                   Jonathan Nash;
 *                   Richard Atkinson;
 *                   Tin Luu;
 *
 * Changes
 * -------
 * 31-Oct-2001 : Version 1 contributed by Serge V. Grachov (DG);
 * 23-Nov-2001 : Overhauled auto tick unit code for all axes (DG);
 * 12-Dec-2001 : Minor change due to grid lines bug fix (DG);
 * 08-Jan-2002 : Added flag allowing the axis to be 'inverted'.  That is, run
 *               from positive to negative.  Added default values to
 *               constructors (DG);
 * 16-Jan-2002 : Added an optional crosshair, based on the implementation by
 *               Jonathan Nash (DG);
 * 25-Feb-2002 : Updated constructors for new autoRangeStickyZero flag (DG);
 * 19-Apr-2002 : drawVerticalString() is now drawRotatedString() in
 *               RefineryUtilities (DG);
 * 25-Jun-2002 : Removed redundant import (DG);
 * 25-Jul-2002 : Changed order of parameters in ValueAxis constructor (DG);
 * 06-Aug-2002 : Modified draw method to not draw axis label if label is empty
 *               String (RA);
 * 05-Sep-2002 : Updated constructor for changes in the Axis class, and changed
 *               draw method to observe tickMarkPaint (DG);
 * 22-Sep-2002 : Fixed errors reported by Checkstyle (DG);
 * 08-Nov-2002 : Moved to new package com.jrefinery.chart.axis (DG);
 * 20-Jan-2003 : Removed unnecessary constructors (DG);
 * 26-Mar-2003 : Implemented Serializable (DG);
 * 13-May-2003 : Merged HorizontalNumberAxis3D and VerticalNumberAxis3D (DG);
 * 21-Aug-2003 : Updated draw() method signature (DG);
 * 07-Nov-2003 : Modified refreshTicks method signature (DG);
 * ------------- JFREECHART 1.0.x ---------------------------------------------
 * 18-Jan-2006 : Fixed bug 1408904 (axis assumes CategoryPlot) (DG):
 * 16-Apr-2009 : Changed axis line visibility default (DG);
 *
 */

package org.jfree.chart.axis;

import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import java.util.List;

import org.jfree.chart.Effect3D;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.ui.RectangleEdge;

/**
 * A standard linear value axis with a 3D effect corresponding to the
 * offset specified by some renderers.
 */
public class NumberAxis3D extends NumberAxis implements Serializable {

    /** For serialization. */
    private static final long serialVersionUID = -1790205852569123512L;

    /**
     * Default constructor.
     */
    public NumberAxis3D() {
        this(null);
    }

    /**
     * Constructs a new axis.
     *
     * @param label  the axis label (<code>null permitted).
     */
    public NumberAxis3D(String label) {
        super(label);
    }

    /**
     * Draws the axis on a Java 2D graphics device (such as the screen or a
     * printer).
     *
     * @param g2  the graphics device.
     * @param cursor  the cursor.
     * @param plotArea  the area for drawing the axes and data.
     * @param dataArea  the area for drawing the data (a subset of the
     *                  plotArea).
     * @param edge  the axis location.
     * @param plotState  collects information about the plot (<code>null
     *                   permitted).
     *
     * @return The updated cursor value.
     */
    public AxisState draw(Graphics2D g2, double cursor, Rectangle2D plotArea,
            Rectangle2D dataArea, RectangleEdge edge,
            PlotRenderingInfo plotState) {

        // if the axis is not visible, don't draw it...
        if (!isVisible()) {
            AxisState state = new AxisState(cursor);
            // even though the axis is not visible, we need ticks for the
            // gridlines...
            List ticks = refreshTicks(g2, state, dataArea, edge);
            state.setTicks(ticks);
            return state;
        }

        // calculate the adjusted data area taking into account the 3D effect...
        double xOffset = 0.0;
        double yOffset = 0.0;
        Plot plot = getPlot();
        if (plot instanceof CategoryPlot) {
            CategoryPlot cp = (CategoryPlot) plot;
            CategoryItemRenderer r = cp.getRenderer();
            if (r instanceof Effect3D) {
                Effect3D e3D = (Effect3D) r;
                xOffset = e3D.getXOffset();
                yOffset = e3D.getYOffset();
            }
        }

        double adjustedX = dataArea.getMinX();
        double adjustedY = dataArea.getMinY();
        double adjustedW = dataArea.getWidth() - xOffset;
        double adjustedH = dataArea.getHeight() - yOffset;

        if (edge == RectangleEdge.LEFT || edge == RectangleEdge.BOTTOM) {
            adjustedY += yOffset;
        }
        else if (edge == RectangleEdge.RIGHT || edge == RectangleEdge.TOP) {
            adjustedX += xOffset;
        }
        Rectangle2D adjustedDataArea = new Rectangle2D.Double(adjustedX,
                adjustedY, adjustedW, adjustedH);

        // draw the tick marks and labels...
        AxisState info = drawTickMarksAndLabels(g2, cursor, plotArea,
                adjustedDataArea, edge);

        // draw the axis label...
        info = drawLabel(getLabel(), g2, plotArea, dataArea, edge, info);

        return info;

    }

}

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