/*
* @(#)Rotate.java 1.18 99/09/07
*
* Copyright (c) 1998, 1999 by Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
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*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
package demos.Transforms;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.AffineTransform;
import javax.swing.*;
import ControlsSurface;
import CustomControls;
/**
* Rotate ellipses with controls for increment and emphasis.
* Emphasis is defined as which ellipses have a darker color and thicker stroke.
*/
public class Rotate extends ControlsSurface {
protected double increment = 5.0;
protected int emphasis = 9;
public Rotate() {
setBackground(Color.white);
setControls(new Component[] { new DemoControls(this) });
}
public void render(int w, int h, Graphics2D g2) {
int size = Math.min(w, h);
float ew = size/4;
float eh = size-20;
Ellipse2D ellipse = new Ellipse2D.Float(-ew/2, -eh/2, ew, eh);
for (double angdeg = 0; angdeg < 360; angdeg+=increment) {
if (angdeg % emphasis == 0) {
g2.setColor(Color.gray);
g2.setStroke(new BasicStroke(2.0f));
} else {
g2.setColor(Color.lightGray);
g2.setStroke(new BasicStroke(0.5f));
}
AffineTransform at = AffineTransform.getTranslateInstance(w/2, h/2);
at.rotate(Math.toRadians(angdeg));
g2.draw(at.createTransformedShape(ellipse));
}
g2.setColor(Color.blue);
ellipse.setFrame(w/2-10,h/2-10,20,20);
g2.fill(ellipse);
g2.setColor(Color.gray);
g2.setStroke(new BasicStroke(6));
g2.draw(ellipse);
g2.setColor(Color.yellow);
g2.setStroke(new BasicStroke(4));
g2.draw(ellipse);
g2.setColor(Color.black);
g2.drawString("Rotate", 5, 15);
}
public static void main(String s[]) {
createDemoFrame(new Rotate());
}
static class DemoControls extends CustomControls implements ActionListener {
Rotate demo;
JTextField tf1, tf2;
public DemoControls(Rotate demo) {
super(demo.name);
this.demo = demo;
setBackground(Color.gray);
JLabel l = new JLabel("Increment:");
l.setForeground(Color.black);
add(l);
add(tf1 = new JTextField("5.0"));
tf1.setPreferredSize(new Dimension(30,24));
tf1.addActionListener(this);
add(l = new JLabel(" Emphasis:"));
l.setForeground(Color.black);
add(tf2 = new JTextField("9"));
tf2.setPreferredSize(new Dimension(30,24));
tf2.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
try {
if (e.getSource().equals(tf1)) {
demo.increment = Double.parseDouble(tf1.getText().trim());
if (demo.increment < 1.0) {
demo.increment = 1.0;
}
} else {
demo.emphasis = Integer.parseInt(tf2.getText().trim());
}
demo.repaint();
} catch (Exception ex) {}
}
public Dimension getPreferredSize() {
return new Dimension(200,36);
}
public void run() {
Thread me = Thread.currentThread();
while (thread == me) {
for (int i = 3; i < 13; i+=3) {
try {
thread.sleep(4444);
} catch (InterruptedException e) { return; }
tf1.setText(String.valueOf(i));
demo.increment = i;
demo.repaint();
}
}
thread = null;
}
} // End DemoControls class
} // End Rotate class
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