package slipapp;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;

/**
 *
 * @author Doys
 */
public class PanelWriter extends JPanel{
    private int currentPage = 0;
    private BufferedImage[] buff;
    private int myWidth = 0;
    private int myHeight = 0;
    
    public PanelWriter(BufferedImage[] buff, int width, int height){
        this.buff = buff;
        this.myWidth = width;
        this.myHeight = height;
        this.setSize(width, height);
        this.setPreferredSize(new Dimension(width, height));
    }
    
    @Override
    public void paint(Graphics g){
        g.setColor(Color.WHITE);
        g.fillRect(0, 0, myWidth, myHeight);
        if(buff == null) return;
        ((Graphics2D)g).drawImage(buff[currentPage], null, 0, 0);
    }
    
    public void setCurrentPage(int currentPage){
        this.currentPage = currentPage;
        repaint();
    }
}