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package vn.viettuts.awt;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
public class CanvasExample {
public CanvasExample() {
Frame f = new Frame("Ví dụ Canvas trong Java AWT");
f.add(new MyCanvas());
f.setLayout(null);
f.setSize(400, 400);
f.setVisible(true);
}
public static void main(String args[]) {
new CanvasExample();
}
}
class MyCanvas extends Canvas {
public MyCanvas() {
setBackground(Color.GRAY);
setSize(300, 300);
}
@Override
public void paint(Graphics g) {
// vẽ hình tròn
g.setColor(Color.red);
g.fillOval(100, 75, 100, 100);
// vẽ hình vuông
g.setColor(Color.green);
g.fillRect(150, 150, 100, 100);
}
}
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