[Java/Swing] paint 메서드를 활용한 집 그리기

코드

import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class MyFrame2 extends JFrame {

    // 내부 클래스를 활용해서
    // JPanel 를 상속받고 paint 메서드로 집 그리기

    MyDrawPanel drawPanel;

    class MyDrawPanel extends JPanel {

        @Override
        public void paint(Graphics g) {
            super.paint(g);
            g.drawRect(140, 260, 200, 140);
            // 지붕
            g.drawLine(240, 160, 100, 260);
            g.drawLine(100, 260, 380, 260);
            g.drawLine(240, 160, 380, 260);

            // 굴뚝
            g.drawLine(155, 180, 155, 220);
            g.drawLine(180, 180, 180, 203);
            g.drawLine(155, 180, 180, 180);

            // 굴뚝 연기
            g.drawArc(123, 118, 40, 40, 65, 234);
            g.drawArc(148, 112, 40, 40, 30, 120);
            g.drawArc(148, 123, 40, 40, -30, -120);
            g.drawArc(173, 118, 40, 40, 240, 234);

            //창문
            g.drawRect(170, 300, 20, 20);
            g.drawRect(190, 300, 20, 20);
            g.drawRect(170, 320, 20, 20);
            g.drawRect(190, 320, 20, 20);
            g.drawRect(167, 297, 46, 46);

            // 문
            g.drawRect(260, 300, 60, 100);
            g.drawRect(263, 303, 54, 97); 
            g.drawOval(300, 350, 8, 8); // 손잡이

            // 지형
            g.drawLine(0, 400, 600, 400);

            // 별
            g.drawString("★", 70, 90);
            g.drawString("★", 380, 30);
            g.drawString("★", 310, 110);
            g.drawString("★", 180, 50);

            // 달
            g.drawArc(390, 50, 70, 70, 190, 284);
            g.drawArc(388, 54, 50, 50, 210, 240);          

        }
    } // end of inner class

    public MyFrame2() {
        initData();
        setInitLayout();
    }

    private void initData() {
        setTitle("내부 클래스 연습");
        setSize(500, 500);
        setDefaultCloseOperation(3);
        drawPanel = new MyDrawPanel();
    }

    private void setInitLayout() {
        add(drawPanel);
        setVisible(true);
    }

    public static void main(String[] args) {
        new MyFrame2();
    }

} // end of outer class

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