/* ========================================================================
* 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.]
*
* --------------------
* DrawStringPanel.java
* --------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: DrawStringPanel.java,v 1.6 2007/11/02 17:50:35 taqua Exp $
*
* Changes
* -------
* 10-Jun-2003 : Version 1;
* 30-Sep-2004 : Moved drawRotatedString() from RefineryUtilities --> TextUtilities (DG);
*
*/
package org.jfree.demo;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.geom.Line2D;
import java.awt.geom.Rectangle2D;
import javax.swing.JPanel;
import org.jfree.text.TextUtilities;
import org.jfree.ui.TextAnchor;
/**
* A panel used by the {@link DrawStringDemo} class.
*
* @author David Gilbert
*/
public class DrawStringPanel extends JPanel {
/** The preferred size for the panel. */
private static final Dimension PREFERRED_SIZE = new Dimension(500, 300);
/** Is the text rotated. */
private boolean rotate;
/** The text to display. */
private String text = "Hello World";
/** The text anchor. */
private TextAnchor anchor = TextAnchor.TOP_LEFT;
/** The rotation anchor. */
private TextAnchor rotationAnchor = TextAnchor.TOP_LEFT;
/** The font. */
private Font font = new Font("Serif", Font.PLAIN, 12);
/** The rotation angle. */
private double angle;
/**
* Creates a new panel.
*
* @param text the text.
* @param rotate a flag that controls whether or not the text is rotated.
*/
public DrawStringPanel(final String text, final boolean rotate) {
this.text = text;
this.rotate = rotate;
}
/**
* Returns the preferred size for the panel.
*
* @return The preferred size.
*/
public Dimension getPreferredSize() {
return PREFERRED_SIZE;
}
/**
* Sets the text anchor.
*
* @param anchor the text anchor.
*/
public void setAnchor(final TextAnchor anchor) {
this.anchor = anchor;
}
/**
* Sets the rotation anchor.
*
* @param anchor the rotation anchor.
*/
public void setRotationAnchor(final TextAnchor anchor) {
this.rotationAnchor = anchor;
}
/**
* Sets the rotation angle.
*
* @param angle the rotation angle.
*/
public void setAngle(final double angle) {
this.angle = angle;
}
/**
* Returns the font.
*
* @return The font.
*/
public Font getFont() {
return this.font;
}
/**
* Sets the font.
*
* @param font the font.
*/
public void setFont(final Font font) {
this.font = font;
}
/**
* Paints the panel.
*
* @param g the graphics device.
*/
public void paintComponent(final Graphics g) {
super.paintComponent(g);
final Graphics2D g2 = (Graphics2D) g;
final Dimension size = getSize();
final Insets insets = getInsets();
final Rectangle2D available = new Rectangle2D.Double(
insets.left, insets.top,
size.getWidth() - insets.left - insets.right,
size.getHeight() - insets.top - insets.bottom
);
final double x = available.getCenterX();
final double y = available.getCenterY();
final Line2D line1 = new Line2D.Double(x - 2.0, y + 2.0, x + 2.0, y - 2.0);
final Line2D line2 = new Line2D.Double(x - 2.0, y - 2.0, x + 2.0, y + 2.0);
g2.setPaint(Color.red);
g2.draw(line1);
g2.draw(line2);
g2.setFont(this.font);
g2.setPaint(Color.black);
if (this.rotate) {
TextUtilities.drawRotatedString(
this.text, g2, (float) x, (float) y,
this.anchor, this.angle, this.rotationAnchor
);
}
else {
TextUtilities.drawAlignedString(this.text, g2, (float) x, (float) y, this.anchor);
}
}
}