实现鼠标画图的Java程序
- JAVA认证
- 关注:1.11W次
用鼠标画图有很多乐趣和便利之处,那么如何才能实现鼠标画图呢?下面YJBYS小编为大家整理了关于实现鼠标画图的`Java程序,希望对你有所帮助。
import r;
import e;
import hics;
import t;
import eAdapter;
import eEvent;
import eListener;
import yList;
import ator;
public class MyMouseAdapter {
public static void main(String[] args) {
new MyFrame5(“drawing”);
class MyFrame5 extends Frame{
ArrayList points=null;
MyFrame5(String s){
super(s);
points=new ArrayList();
setLayout(null);
setBounds(300,300,400,300);
ackground(new Color(204,204,255));
setVisible(true);
ouseListener(new Monitor5());
}
public void paint(Graphics g){
Iterator i=ator();
while(ext()){
Point p=(Point)();
olor();
Oval(p.x,p.y, 10, 10);
}
}
public void addPoint(Point p){
(p);
}
}
class Monitor5 extends MouseAdapter{ //MouseAdapter实现了MouseListener接口
public void mousePressed(MouseEvent e){
MyFrame5 f=(MyFrame5)ource();
oint(new Point((),()));
int(); //让Frame强制经行重画
}
}
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