2d java Graphics
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LukeG
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Published on 2013-07-02T16:45:33Z
Indexed on
2013/07/02
17:05 UTC
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I am new to java 2d graphics and I have problem handling mouseclick event. Is it possible for you to tell me why there is nothing going on after updating mouse status to clicked ? What I want to do is to change the image in array at 0 2 to another image. Nothing happens tho. Thanks for your help in advance.
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.event.*;
import java.awt.*;
import javax.swing.ImageIcon;
import javax.swing.*;
public class Board extends JPanel implements MouseListener {
private static boolean[] keyboardState = new boolean[525];
private static boolean[] mouseState = new boolean[3];
private static Image[][] images;
Image house;
int w = 0;
int h = 0;
int xPos;
int yPos;
ImageIcon ii = new ImageIcon(this.getClass().getResource("house.gif"));
ImageIcon iii = new ImageIcon(this.getClass().getResource("house1.gif"));
public Board() {
house = ii.getImage();
h = house.getHeight(null);
w = house.getWidth(null);
images = new Image[10][10];
for(int i = 0; i < 10; i++)
{
for(int j = 0; j < 10; j++)
{
images[i][j] = house;
}
}
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
for(int i = 0; i < 10; i++)
{
for(int j = 0; j < 10; j++)
{
g2d.drawImage(images[i][j],w*i,h*j,null);
}
}
//g2d.drawImage(house,15,15,null);
}
public void checkMouse()
{
if(mouseState[0])
{
images[0][2] = iii.getImage();
repaint();
super.repaint();
}
}
@Override
public void mousePressed(MouseEvent e)
{
mouseKeyStatus(e, true);
checkMouse();
}
@Override
public void mouseReleased(MouseEvent e)
{
mouseKeyStatus(e, false);
repaint();
}
public static boolean mouseButtonState(int button)
{
return mouseState[button - 1];
}
private void mouseKeyStatus(MouseEvent e, boolean status)
{
if(e.getButton() == MouseEvent.BUTTON1)
mouseState[0] = status;
else if(e.getButton() == MouseEvent.BUTTON2)
mouseState[1] = status;
else if(e.getButton() == MouseEvent.BUTTON3)
mouseState[2] = status;
}
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