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class BasicPaint
package java11;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JPanel;
//drawRect(x, y, width, height) 사각형 그리기 (테두리)
//fillRect(x, y, width, height) 사각형 그리기(색상 처리)
//drawLine ( x1, y1, x2, y2 ) 직선 그리기
//drawString(문자열, x, y ) 문자열 출력
// drawImage( 이미지, x, y , 이미지관찰자객체 ) 이미지 출력
public class BasicPaint extends JFrame{
//내부 클래스
class MyPanel extends JPanel implements MouseListener{
int squareX =50;
int squareY =50;
int squareW =20;
int squareH =20;
public MyPanel() {
//테주리 설정
setBorder(BorderFactory.createLineBorder(Color.BLACK));
//마우스 이벤트 처리
addMouseListener(this);
}
void moveSquare(int x, int y){
//그래픽 갱신 요청
repaint(); //=> update() => paint() =>paintComponent()
}
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
//문자열 출력
g.drawString("마우스를 클릭하세요", 10, 20);
g.setColor(Color.red);
//사각형 그리기(색상 처리)
g.fillRect(squareX, squareY, squareW, squareH);
g.setColor(Color.BLACK);
//사각형 그리기 (테두리만 그리기)
g.drawRect(squareX*2, squareY*2, squareW, squareH);
///RoundRect 그리기
g.setColor(Color.blue);
//x,y ,width,height, 가로라운드길이, 세로 라운드 길이
g.fillRoundRect(120, 240, 90, 55, 40, 40);
//원그리기
g.setColor(Color.RED);
// x, y, width, height
g.fillOval(220, 40, 90, 55);
//다각형 그리기
int[] x = {10, 30, 50 , 40, 20 }; // x좌표 배열
int[] y ={257, 240, 257, 280, 280 }; //y 좌표 배열
g.setColor(Color.yellow);
g.fillPolygon(x, y, x.length); //x배열,y배열, 꼭지점수
}
@Override
public void mouseClicked(MouseEvent e) {
//클릭한 x, y 좌표값 을 저장
squareX=e.getX();
squareY=e.getY();
//화면갱신 요청
repaint();
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
}
//생성자
public BasicPaint() {
add(new MyPanel());
setSize(500, 500);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new BasicPaint();
}
}
class RandomLine
package java11;
import java.awt.Color;
import java.awt.Graphics;
import java.util.Random;
import javax.swing.JFrame;
import javax.swing.JPanel;
//선 그리기
// drawLine(x1, y2, x2, y2)
public class RandomLine extends JFrame{
class MyPanel extends JPanel{
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
System.out.println("paintComponect 호출......");
Random rand =new Random();//랜덤 객체
for(int i=0; i<100; i++){
int red =rand.nextInt(256);//0~255 사이의 난수 발생
int green=rand.nextInt(256);
int blue=rand.nextInt(256);
g.setColor(new Color(red, green, blue));
//new Color(R,G, B) RGB color 설정
g.setColor(new Color(red, green, blue));
int x1=rand.nextInt(300);//0~ 299 사이의 난수 발생
int x2=rand.nextInt(300);
int y1=rand.nextInt(300);
int y2=rand.nextInt(300);
g.drawLine(x1, y1, x2, y2);//선 그리기
}
}
}
public RandomLine(){
add(new MyPanel());
setSize(500, 500);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new RandomLine();
}
}
class ColorTest
package java11;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;
import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;
//new Color(색상상수)
// Color.red, Color.blue ...
//new Color (red, green , blue)
public class ColorTest extends JFrame{
class MyPanel extends JPanel{
JButton button1, button2;
Color color =new Color(0,0,0); // black 색상
public MyPanel(){
//패널의 기본 레이아웃을 BorderLayout 으로 설정
setLayout(new BorderLayout());
button1 =new JButton("색상 변경");
button2 =new JButton("색상 선택 변경");
add(button1, "North");//버튼을 North 영역에 배치
add(button2, "South");
button1.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
Random rnd =new Random();
int r =rnd.nextInt(256);
int g=rnd.nextInt(256);
int b=rnd.nextInt(256);
color=new Color(r, g, b);
//화면 갱신 요청 ->pintComponent() 호출
repaint();
}
});
button2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
color=JColorChooser.showDialog(MyPanel.this, "색상을 선책 하세요.", Color.BLUE);
repaint();
}
});
}
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
g.setColor(color); //색상 설정
//색칠 사각형(x, y, width, height)
g.fillRect(10, 10, 210, 210);
}
}
public ColorTest(){
add(new MyPanel());
setSize(250, 250);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new ColorTest();
}
}
class FontTest
package java11;
import java.awt.Font;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class FontTest extends JFrame{
private static final long serialVersionUID = 4324231L;
class MyPanel extends JPanel{
private static final long serialVersionUID = 1L;
Font f1, f2,f3, f4, f5,f6;
public MyPanel() {
//new Font("폰트이름" , 옵션, 사이즈)
f1=new Font("Serif", Font.PLAIN, 20);
f2=new Font("San Serif", Font.BOLD, 20); //진하게
f3=new Font("Monspaced", Font.ITALIC, 20);//이탤릭
//진하게 + 이탤릭
f4=new Font("Dialog", Font.BOLD | Font.ITALIC, 20);
f5=new Font("DialogInput", Font.BOLD, 20);
f6=new Font("휴먼옛체", Font.BOLD, 20);
}
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
g.setFont(f1);//폰트 설정
//drawString("문자열", x, y) 문자열 출력
g.drawString("Serif 20", 10, 50);
g.setFont(f2);
g.drawString("Sanserif 20", 10, 100);
g.setFont(f3);
g.drawString("Monospaced 20", 10, 150);
g.setFont(f4);
g.drawString("Dialog 20", 10, 200);
g.setFont(f5);
g.drawString("DialogInput 20", 10,250);
g.setFont(f6);
g.drawString("휴먼옛체 20", 10, 300);
}
}
public FontTest() {
add(new MyPanel());
setSize(500, 500);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new FontTest();
}
}
class MyFrame
package java11;
import java.applet.AudioClip;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.net.URL;
import javax.imageio.ImageIO;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
//이미지 애니메이션 + 사운드 처리
public class MyFrame extends JFrame {
class MyPanel extends JPanel implements ActionListener{
JButton button, button2;
final int WIDTH =500;//패널의 가로길이
final int HEIGHT=300;//패널의 세로길이
final int START_X =0;//이미지의 x좌표
final int START_Y=250;// 이미지의 y좌표
BufferedImage image ; //이미지 객체
Timer timer; //javax.swing.Timer, 타이머 객체
int x, y;
boolean sw=true;
Clip clip;
public MyPanel() {
button=new JButton("Fire");
button2=new JButton("사운드");
add(button);//버튼을 패널에 붙임
add(button2);
setBackground(Color.BLACK); //패널의 배경색
//패널의 사이즈 설정
setPreferredSize(new Dimension(WIDTH, HEIGHT));
File input =new File("a1.jpg"); //이미지 파일 객체
try{
image =ImageIO.read(input);//이미지 로딩
//현재 클래스가 실행중인 경로
//image =ImageIO.read(getClass().getResource("ship.jpg"));
}catch (Exception e) {
e.printStackTrace();
}
//이미지의 초기좌표
x=START_X;
y=START_Y;
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
//타이머 생성
timer=new Timer(20, MyPanel.this);
//타이머 시작 요청 => actionPerformed() 가 호출됨
timer.start();
}
});
button2.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if(sw ==false) clip.close();
if(sw){
try{
URL url = new URL(
"http://cfs3.tistory.com/upload_control/download.blog?fhandle=YmxvZzk3OTYyQGZzMy50aXN0b3J5LmNvbTovYXR0YWNoLzAvMDgwMDAwMDAwMDE1LldBVg%3D%3D");
clip = AudioSystem.getClip();
// getAudioInputStream() also accepts a File or InputStream
AudioInputStream ais = AudioSystem.getAudioInputStream( url );
clip.open(ais);
clip.loop(Clip.LOOP_CONTINUOUSLY);
/*SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
JOptionPane.showMessageDialog(null, "Close to exit!");
}
}
);
*/
}catch (Exception e2) {
e2.printStackTrace();
}
}
sw = !sw;
}
});
}
@Override
protected void paintComponent(Graphics g) {
// TODO Auto-generated method stub
super.paintComponent(g);
g.drawImage(image, x,y, 50,50 ,null);
}
@Override
public void actionPerformed(ActionEvent e) {
System.out.println("action....");
//이미지의 좌표값 변경
x++;
y--;
if(x > WIDTH){ //범위를 벗어나면 원위치로 이동
x =START_X;
y =START_Y;
}
repaint();//화면 갱신 요청
//repaint() => update() => paint() => paintBorder()
// => paintComponent() => paintChild()
}
}
public MyFrame() {
add(new MyPanel());//프레임에 패널을 붙임
pack();//자동 사이즈
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new MyFrame();
}
}
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