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jfreechart example source code file (WaferMapPlot.java)

This example jfreechart source code file (WaferMapPlot.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, default_crosshair_stroke, default_gridline_stroke, ellipse2d, ellipse2d, geometry, io, paint, rectangle2d, rectangle2d, stroke, util, wafermapdataset, wafermapdataset, wafermapplot, wafermapplot, wafermaprenderer, wmap_plot

The jfreechart WaferMapPlot.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, 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.]
 *
 * -----------------
 * WaferMapPlot.java
 * -----------------
 *
 * (C) Copyright 2003-2008, by Robert Redburn and Contributors.
 *
 * Original Author:  Robert Redburn;
 * Contributor(s):   David Gilbert (for Object Refinery Limited);
 *
 * Changes
 * -------
 * 25-Nov-2003 : Version 1 contributed by Robert Redburn (DG);
 * 05-May-2005 : Updated draw() method parameters (DG);
 * 10-Jun-2005 : Changed private --> protected for drawChipGrid(),
 *               drawWaferEdge() and getWafterEdge() (DG);
 * 16-Jun-2005 : Added default constructor and setDataset() method (DG);
 * 18-Dec-2008 : Use ResourceBundleWrapper - see patch 1607918 by
 *               Jess Thrysoee (DG);
 *
 */

package org.jfree.chart.plot;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.geom.Arc2D;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import java.util.ResourceBundle;

import org.jfree.chart.LegendItemCollection;
import org.jfree.chart.event.PlotChangeEvent;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.event.RendererChangeListener;
import org.jfree.chart.renderer.WaferMapRenderer;
import org.jfree.chart.util.ResourceBundleWrapper;
import org.jfree.data.general.DatasetChangeEvent;
import org.jfree.data.general.WaferMapDataset;
import org.jfree.ui.RectangleInsets;

/**
 * A wafer map plot.
 */
public class WaferMapPlot extends Plot implements RendererChangeListener,
        Cloneable, Serializable {

    /** For serialization. */
    private static final long serialVersionUID = 4668320403707308155L;

    /** The default grid line stroke. */
    public static final Stroke DEFAULT_GRIDLINE_STROKE = new BasicStroke(0.5f,
        BasicStroke.CAP_BUTT,
        BasicStroke.JOIN_BEVEL,
        0.0f,
        new float[] {2.0f, 2.0f},
        0.0f);

    /** The default grid line paint. */
    public static final Paint DEFAULT_GRIDLINE_PAINT = Color.lightGray;

    /** The default crosshair visibility. */
    public static final boolean DEFAULT_CROSSHAIR_VISIBLE = false;

    /** The default crosshair stroke. */
    public static final Stroke DEFAULT_CROSSHAIR_STROKE
            = DEFAULT_GRIDLINE_STROKE;

    /** The default crosshair paint. */
    public static final Paint DEFAULT_CROSSHAIR_PAINT = Color.blue;

    /** The resourceBundle for the localization. */
    protected static ResourceBundle localizationResources
            = ResourceBundleWrapper.getBundle(
                    "org.jfree.chart.plot.LocalizationBundle");

    /** The plot orientation.
     *  vertical = notch down
     *  horizontal = notch right
     */
    private PlotOrientation orientation;

    /** The dataset. */
    private WaferMapDataset dataset;

    /**
     * Object responsible for drawing the visual representation of each point
     * on the plot.
     */
    private WaferMapRenderer renderer;

    /**
     * Creates a new plot with no dataset.
     */
    public WaferMapPlot() {
        this(null);
    }

    /**
     * Creates a new plot.
     *
     * @param dataset  the dataset (<code>null permitted).
     */
    public WaferMapPlot(WaferMapDataset dataset) {
        this(dataset, null);
    }

    /**
     * Creates a new plot.
     *
     * @param dataset  the dataset (<code>null permitted).
     * @param renderer  the renderer (<code>null permitted).
     */
    public WaferMapPlot(WaferMapDataset dataset, WaferMapRenderer renderer) {

        super();

        this.orientation = PlotOrientation.VERTICAL;

        this.dataset = dataset;
        if (dataset != null) {
            dataset.addChangeListener(this);
        }

        this.renderer = renderer;
        if (renderer != null) {
            renderer.setPlot(this);
            renderer.addChangeListener(this);
        }

    }

    /**
     * Returns the plot type as a string.
     *
     * @return A short string describing the type of plot.
     */
    public String getPlotType() {
        return ("WMAP_Plot");
    }

    /**
     * Returns the dataset
     *
     * @return The dataset (possibly <code>null).
     */
    public WaferMapDataset getDataset() {
        return this.dataset;
    }

    /**
     * Sets the dataset used by the plot and sends a {@link PlotChangeEvent}
     * to all registered listeners.
     *
     * @param dataset  the dataset (<code>null permitted).
     */
    public void setDataset(WaferMapDataset dataset) {
        // if there is an existing dataset, remove the plot from the list of
        // change listeners...
        if (this.dataset != null) {
            this.dataset.removeChangeListener(this);
        }

        // set the new dataset, and register the chart as a change listener...
        this.dataset = dataset;
        if (dataset != null) {
            setDatasetGroup(dataset.getGroup());
            dataset.addChangeListener(this);
        }

        // send a dataset change event to self to trigger plot change event
        datasetChanged(new DatasetChangeEvent(this, dataset));
    }

    /**
     * Sets the item renderer, and notifies all listeners of a change to the
     * plot.  If the renderer is set to <code>null, no chart will be
     * drawn.
     *
     * @param renderer  the new renderer (<code>null permitted).
     */
    public void setRenderer(WaferMapRenderer renderer) {
        if (this.renderer != null) {
            this.renderer.removeChangeListener(this);
        }
        this.renderer = renderer;
        if (renderer != null) {
            renderer.setPlot(this);
        }
        fireChangeEvent();
    }

    /**
     * Draws the wafermap view.
     *
     * @param g2  the graphics device.
     * @param area  the plot area.
     * @param anchor  the anchor point (<code>null permitted).
     * @param state  the plot state.
     * @param info  the plot rendering info.
     */
    public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
                     PlotState state,
                     PlotRenderingInfo info) {

        // if the plot area is too small, just return...
        boolean b1 = (area.getWidth() <= MINIMUM_WIDTH_TO_DRAW);
        boolean b2 = (area.getHeight() <= MINIMUM_HEIGHT_TO_DRAW);
        if (b1 || b2) {
            return;
        }

        // record the plot area...
        if (info != null) {
            info.setPlotArea(area);
        }

        // adjust the drawing area for the plot insets (if any)...
        RectangleInsets insets = getInsets();
        insets.trim(area);

        drawChipGrid(g2, area);
        drawWaferEdge(g2, area);

    }

    /**
     * Calculates and draws the chip locations on the wafer.
     *
     * @param g2  the graphics device.
     * @param plotArea  the plot area.
     */
    protected void drawChipGrid(Graphics2D g2, Rectangle2D plotArea) {

        Shape savedClip = g2.getClip();
        g2.setClip(getWaferEdge(plotArea));
        Rectangle2D chip = new Rectangle2D.Double();
        int xchips = 35;
        int ychips = 20;
        double space = 1d;
        if (this.dataset != null) {
            xchips = this.dataset.getMaxChipX() + 2;
            ychips = this.dataset.getMaxChipY() + 2;
            space = this.dataset.getChipSpace();
        }
        double startX = plotArea.getX();
        double startY = plotArea.getY();
        double chipWidth = 1d;
        double chipHeight = 1d;
        if (plotArea.getWidth() != plotArea.getHeight()) {
            double major = 0d;
            double minor = 0d;
            if (plotArea.getWidth() > plotArea.getHeight()) {
                major = plotArea.getWidth();
                minor = plotArea.getHeight();
            }
            else {
                major = plotArea.getHeight();
                minor = plotArea.getWidth();
            }
            //set upperLeft point
            if (plotArea.getWidth() == minor) { // x is minor
                startY += (major - minor) / 2;
                chipWidth = (plotArea.getWidth() - (space * xchips - 1))
                    / xchips;
                chipHeight = (plotArea.getWidth() - (space * ychips - 1))
                    / ychips;
            }
            else { // y is minor
                startX += (major - minor) / 2;
                chipWidth = (plotArea.getHeight() - (space * xchips - 1))
                    / xchips;
                chipHeight = (plotArea.getHeight() - (space * ychips - 1))
                    / ychips;
            }
        }

        for (int x = 1; x <= xchips; x++) {
            double upperLeftX = (startX - chipWidth) + (chipWidth * x)
                + (space * (x - 1));
            for (int y = 1; y <= ychips; y++) {
                double upperLeftY = (startY - chipHeight) + (chipHeight * y)
                    + (space * (y - 1));
                chip.setFrame(upperLeftX, upperLeftY, chipWidth, chipHeight);
                g2.setColor(Color.white);
                if (this.dataset.getChipValue(x - 1, ychips - y - 1) != null) {
                    g2.setPaint(
                        this.renderer.getChipColor(
                            this.dataset.getChipValue(x - 1, ychips - y - 1)
                        )
                    );
                }
                g2.fill(chip);
                g2.setColor(Color.lightGray);
                g2.draw(chip);
            }
        }
        g2.setClip(savedClip);
    }

    /**
     * Calculates the location of the waferedge.
     *
     * @param plotArea  the plot area.
     *
     * @return The wafer edge.
     */
    protected Ellipse2D getWaferEdge(Rectangle2D plotArea) {
        Ellipse2D edge = new Ellipse2D.Double();
        double diameter = plotArea.getWidth();
        double upperLeftX = plotArea.getX();
        double upperLeftY = plotArea.getY();
        //get major dimension
        if (plotArea.getWidth() != plotArea.getHeight()) {
            double major = 0d;
            double minor = 0d;
            if (plotArea.getWidth() > plotArea.getHeight()) {
                major = plotArea.getWidth();
                minor = plotArea.getHeight();
            }
            else {
                major = plotArea.getHeight();
                minor = plotArea.getWidth();
            }
            //ellipse diameter is the minor dimension
            diameter = minor;
            //set upperLeft point
            if (plotArea.getWidth() == minor) { // x is minor
                upperLeftY = plotArea.getY() + (major - minor) / 2;
            }
            else { // y is minor
                upperLeftX = plotArea.getX() + (major - minor) / 2;
            }
        }
        edge.setFrame(upperLeftX, upperLeftY, diameter, diameter);
        return edge;
    }

    /**
     * Draws the waferedge, including the notch.
     *
     * @param g2  the graphics device.
     * @param plotArea  the plot area.
     */
    protected void drawWaferEdge(Graphics2D g2, Rectangle2D plotArea) {
        // draw the wafer
        Ellipse2D waferEdge = getWaferEdge(plotArea);
        g2.setColor(Color.black);
        g2.draw(waferEdge);
        // calculate and draw the notch
        // horizontal orientation is considered notch right
        // vertical orientation is considered notch down
        Arc2D notch = null;
        Rectangle2D waferFrame = waferEdge.getFrame();
        double notchDiameter = waferFrame.getWidth() * 0.04;
        if (this.orientation == PlotOrientation.HORIZONTAL) {
            Rectangle2D notchFrame =
                new Rectangle2D.Double(
                    waferFrame.getX() + waferFrame.getWidth()
                    - (notchDiameter / 2), waferFrame.getY()
                    + (waferFrame.getHeight() / 2) - (notchDiameter / 2),
                    notchDiameter, notchDiameter
                );
            notch = new Arc2D.Double(notchFrame, 90d, 180d, Arc2D.OPEN);
        }
        else {
            Rectangle2D notchFrame =
                new Rectangle2D.Double(
                    waferFrame.getX() + (waferFrame.getWidth() / 2)
                    - (notchDiameter / 2), waferFrame.getY()
                    + waferFrame.getHeight() - (notchDiameter / 2),
                    notchDiameter, notchDiameter
                );
            notch = new Arc2D.Double(notchFrame, 0d, 180d, Arc2D.OPEN);
        }
        g2.setColor(Color.white);
        g2.fill(notch);
        g2.setColor(Color.black);
        g2.draw(notch);

    }

    /**
     * Return the legend items from the renderer.
     *
     * @return The legend items.
     */
    public LegendItemCollection getLegendItems() {
        return this.renderer.getLegendCollection();
    }

    /**
     * Notifies all registered listeners of a renderer change.
     *
     * @param event  the event.
     */
    public void rendererChanged(RendererChangeEvent event) {
        fireChangeEvent();
    }

}

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