paintComponent(Graphics g)
for ループを使用していくつかの画像をペイントするために使用したいと考えています。ただし、JFrame は白い画面として表示されるだけで、ウィンドウのサイズを変更した後は黒い背景と画像のみが表示されます。
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import javax.imageio.*;
import java.awt.geom.*;
import java.awt.image.BufferedImage;
import java.awt.Graphics;
import java.util.Scanner;
public class SimpleAdventure {
private JFrame frame;
private CardLayout cards;
private Container c;
private DrawPanel1 gamepanel;
private BufferedImage greentiles, pinktiles, sandtiles, charsprites;
private Image left1, right1, left2, right2, front;
private Image pinkbg, greenbg, sandbg;
private Image pinktop, greentop, sandtop;
private int charx, chary;
public SimpleAdventure()
{}
public static void main (String [] args)
{
SimpleAdventure retro = new SimpleAdventure();
retro.run();
}
public void run()
{
frame = new JFrame("Simple Adventure");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(576, 576);
frame.setVisible(true);
// frame.setResizable(false);
getImage();
c = frame.getContentPane();
cards = new CardLayout();
c.setLayout(cards);
gamepanel = new DrawPanel1();
gamepanel.setBackground(Color.black);
c.add(gamepanel, "Panel 1");
}
public void getImage()
{
try
{
greentiles = ImageIO.read(new File("greenTiles.png"));
pinktiles = ImageIO.read(new File("pinkTiles.png"));
sandtiles = ImageIO.read(new File("sandTiles.png"));
charsprites = ImageIO.read(new File("charactersheet.png"));
}
catch(IOException e)
{
e.printStackTrace();
}
left1 = charsprites.getSubimage(18, 0, 6, 6);
left2 = charsprites.getSubimage(24, 0, 6, 6);
right1 = charsprites.getSubimage(0, 0, 6, 6);
right2 = charsprites.getSubimage(6, 0, 6, 6);
front = charsprites.getSubimage(12, 0, 6, 6);
greenbg = greentiles.getSubimage(240, 0, 16, 16);
sandbg = sandtiles.getSubimage(240, 0, 16, 16);
pinkbg = pinktiles.getSubimage(240, 0, 16, 16);
greentop = greentiles.getSubimage(224, 0, 16, 16);
sandtop = sandtiles.getSubimage(224, 0, 16, 16);
pinktop = pinktiles.getSubimage(224, 0, 16, 16);
}
class DrawPanel1 extends JPanel implements KeyListener
{
// private BottomPanel lower;
public DrawPanel1()
{
/*this.setLayout(new BorderLayout());
lower = new BottomPanel();
this.add(lower, BorderLayout.SOUTH);*/
addKeyListener(this);
}
public void paintComponent(Graphics g)
{
super.paintComponent(g);
for(int i = 0; i < 7; i++)
{
g.drawImage(greentop, 0 + (i * 96), 480, 96, 96, this);
}
System.out.println("check");
}
public void keyPressed(KeyEvent e)
{
}
public void keyReleased(KeyEvent e)
{
}
public void keyTyped(KeyEvent e)
{
}
} }