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lib 1004512 // scenario
import com.sun.scenario.animation.Clip;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.lang.reflect.Method;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
p {
VsyncSwingTest.main(args);
}
/**
* @author Dmitri Trembovetski
*/
sclass VsyncSwingTest extends JPanel {
volatile int translateX;
private static boolean doRepaint;
static boolean doVsync = true;
public int getTranslateX() {
return translateX;
}
public void setTranslateX(int translateX) {
int curX = this.translateX;
this.translateX = translateX;
// getting fancy here, repaint() works just as well
if (doRepaint) {
repaint(50+Math.min(curX, translateX), 50, 100+Math.abs(curX - translateX), 300);
} else {
paintImmediately(50+Math.min(curX, translateX), 50, 100+Math.abs(curX - translateX), 300);
}
}
@Override
protected void paintComponent(Graphics g) {
g.setColor(getBackground());
Rectangle r = g.getClipBounds();
g.fillRect(r.x, r.y, r.width, r.height);
((Graphics2D)g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g.setColor(Color.black);
g.fillRect(50+translateX, 50, 100, 300);
}
public VsyncSwingTest() {
setBackground(Color.WHITE);
setPreferredSize(new Dimension(600, 400));
Clip c = Clip.create(1000, Clip.INDEFINITE, this, "translateX", 0, 400);
c.start();
}
static void setVsyncRequested(JFrame f, boolean b) {
try {
Class tmpClass =
Class.forName("com.sun.java.swing.SwingUtilities3");
Method tmpMethod =
tmpClass.getMethod("setVsyncRequested",
Container.class, boolean.class);
tmpMethod.invoke(tmpClass, f, Boolean.valueOf(b));
} catch (Throwable ignore) {
System.err.println("Warning: Error while requesting vsync: "+ignore);
}
}
public static void main(String[] args) {
int instances = 1;
for (String arg : args) {
if (arg.equalsIgnoreCase("-repaint")) {
doRepaint = true;
} else if (arg.equals("+i")) {
instances++;
} else if (arg.equals("-novsync")) {
doVsync = false;
}
}
if (doRepaint) {
System.err.println("Using repaint()");
} else {
System.err.println("Using paintImmediately()");
}
if (doVsync) {
System.err.println("Requesting VSYNC");
} else {
System.err.println("Not requesting VSYNC");
}
final int insts = instances;
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame frame = new JFrame();
// frame.setUndecorated(true);
JPanel p = new JPanel();
p.setLayout(new GridLayout(insts, 1));
VsyncSwingTest test;
for (int i = 0; i < insts; i++) {
test = new VsyncSwingTest();
p.add(test);
}
frame.add(BorderLayout.CENTER, p);
String[] arr = { "So How's the responsiveness?",
"two", "three", "four", "five", "six", "seven", "eight",
"1", "2", "3", "4", "5", "6", "7", "8"
};
frame.add(BorderLayout.NORTH, new JComboBox(arr));
frame.add(BorderLayout.SOUTH, new JButton("some button"));
frame.pack();
setVsyncRequested(frame, doVsync);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
}