Mega Code Archive
RepaintManager
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import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.RepaintManager;
public class Main extends JComponent implements MouseMotionListener {
static int imageWidth = 60, imageHeight = 60;
int imageX, imageY;
Image image;
public Main(Image i) {
image = i;
addMouseMotionListener(this);
}
public void mouseDragged(MouseEvent e) {
imageX = e.getX();
imageY = e.getY();
repaint();
}
public void mouseMoved(MouseEvent e) {
}
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.drawImage(image, imageX, imageY, this);
}
public static void main(String[] args) {
String imageFile = "A.jpg";
RepaintManager.currentManager(null).setDoubleBufferingEnabled(false);
Image image = Toolkit.getDefaultToolkit().getImage(Main.class.getResource(imageFile));
image = image.getScaledInstance(imageWidth, imageHeight, Image.SCALE_DEFAULT);
JFrame frame = new JFrame("DragImage");
frame.getContentPane().add(new Main(image));
frame.setSize(300, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
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