자바 소스코드: 명품자바프로그래밍 오픈첼린지 12(클리핑 적용)

package javaapplication18;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

class ImagePanel extends JFrame{
    
    final int MOVE=10;
    ImagePanel(){
        this.setTitle("Open Challenge 12");
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        MyPanel panel = new MyPanel();
        this.add(panel, BorderLayout.CENTER);
        this.setLocationRelativeTo(null);
        this.setSize(400,400);
        this.setVisible(true);
        panel.requestFocus(true);
    }
    class MyPanel extends JPanel{
        int clipX=50, clipY=50;
        ImageIcon icon = new ImageIcon("back.jpg");
        Image img = icon.getImage();
        MyPanel(){
            this.addKeyListener(new KeyListener(){
                @Override
                public void keyTyped(KeyEvent ke) {
                }

                @Override
                public void keyPressed(KeyEvent ke) {
                    if(ke.VK_UP==ke.getKeyCode()){
                        clipY-=MOVE;
                        repaint();
                    }
                    if(ke.VK_DOWN==ke.getKeyCode()){
                        clipY+=MOVE;
                        repaint();
                    }
                    if(ke.VK_RIGHT==ke.getKeyCode()){
                        clipX+=MOVE;
                        repaint();
                    }
                    if(ke.VK_LEFT==ke.getKeyCode()){
                        clipX-=MOVE;
                        repaint();
                    }
                    
                }

                @Override
                public void keyReleased(KeyEvent ke) {
                }
            });
        }
        public void paintComponent(Graphics g){
            super.paintComponent(g);
            g.clipRect(clipX, clipY, 50, 50);
            g.drawImage(img, 0, 0, this.getWidth(), this.getHeight(),this);
        }
    }
}

public class JavaApplication18 {
    public static void main(String[] args) {
        new ImagePanel();
    }
}

<결과>

2016/11/12 - [자바] - 자바 소스코드: 새로운 버튼 만들기(paintComponent 적용)

2016/11/12 - [자바] - 자바 소스코드: Drawing Line by Mouse 예제(repaint)

2016/11/12 - [자바] - 자바 소스코드: Clip 사용 예제(클리핑)

#자바 #자바 소스코드 #명품 자바 프로그래밍 오픈 첼린지 12 #클리핑 적용 #실습 예제