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File org.jfree.ui.PaintSample.java

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/* ========================================================================
 * JCommon : a free general purpose class library for the Java(tm) platform
 * ========================================================================
 *
 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
 * 
 * Project Info:  http://www.jfree.org/jcommon/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.]
 * 
 * ----------------
 * PaintSample.java
 * ----------------
 * (C) Copyright 2000-2004, by Object Refinery Limited.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PaintSample.java,v 1.4 2005/11/16 15:58:41 taqua Exp $
 *
 * Changes (from 26-Oct-2001)
 * --------------------------
 * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
 * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
 *
 */


package org.jfree.ui;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Paint;
import java.awt.geom.Rectangle2D;

import javax.swing.JComponent;

/**
 * A panel that displays a paint sample.
 *
 * @author David Gilbert
 */

public class PaintSample extends JComponent {

    /** The paint. */
    private Paint paint;

    /** The preferred size of the component. */
    private Dimension preferredSize;

    /**
     * Standard constructor - builds a paint sample.
     *
     * @param paint   the paint to display.
     */

    public PaintSample(final Paint paint) {
        this.paint = paint;
        this.preferredSize = new Dimension(80, 12);
    }

    /**
     * Returns the current Paint object being displayed in the panel.
     *
     * @return the paint.
     */

    public Paint getPaint() {
        return this.paint;
    }

    /**
     * Sets the Paint object being displayed in the panel.
     *
     * @param paint  the paint.
     */

    public void setPaint(final Paint paint) {
        this.paint = paint;
        repaint();
    }

    /**
     * Returns the preferred size of the component.
     *
     * @return the preferred size.
     */

    public Dimension getPreferredSize() {
        return this.preferredSize;
    }

    /**
     * Fills the component with the current Paint.
     *
     * @param g  the graphics device.
     */

    public void paintComponent(final Graphics g) {

        final Graphics2D g2 = (Graphics2D) g;
        final Dimension size = getSize();
        final Insets insets = getInsets();
        final double xx = insets.left;
        final double yy = insets.top;
        final double ww = size.getWidth() - insets.left - insets.right - 1;
        final double hh = size.getHeight() - insets.top - insets.bottom - 1;
        final Rectangle2D area = new Rectangle2D.Double(xx, yy, ww, hh);
        g2.setPaint(this.paint);
        g2.fill(area);
        g2.setPaint(Color.black);
        g2.draw(area);

    }

}

File Information:

file name:PaintSample.java
package:org.jfree.ui
qualified name:org.jfree.ui.PaintSample.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/jfree/ui/PaintSample.java
size:3.810 KB (3902 B)
uploaded: 2015-07-22 04:11:09 GMT+0000
last update: 2006-09-26 10:30:34 GMT+0000
last access: 2018-01-24 01:37:26 GMT+0000

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