package zad2;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.GridBagLayout;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Rectangle;
import java.awt.Toolkit;

import javax.swing.JLabel;
import javax.swing.JPanel;

public class StartImage extends JPanel{
	static int xCoordinate;
	static int yCoordinate;
	static int errorsizex;
	static int errorsizey;
	Image img;
	boolean loaded = false;

	public StartImage(String image){
		loadImage(image);

	}
	public void paintComponent(Graphics g){
		super.paintComponent(g);
		if(img != null && loaded){
			g.drawImage(img, 0, 0, getWidth(), getHeight(), this);
		}else{
			write("Brak Obrazku",g);
		}
	}
	public void write(String text,Graphics g){
		Font font = new Font("Arial", Font.BOLD, Imagestart.size);
        g.setFont(font);
        FontMetrics fm = g.getFontMetrics();
        int x = ((getWidth() - fm.stringWidth(text)) / 2);
        int y = ((getHeight() - fm.getHeight()) / 2) + fm.getAscent();

        g.setColor(Color.BLACK);
        g.drawString(text, x, y);
	}
	private void loadImage(String image){
		img = Toolkit.getDefaultToolkit().getImage(image);
		MediaTracker mt = new MediaTracker(this);
		mt.addImage(img, 1);
		try{
			mt.waitForID(1);
		}catch(InterruptedException exc){
			img = null;
			System.out.println(exc);
		}
		int w = img.getWidth(this);
		int h = img.getHeight(this);
		if(w != -1 && w !=0 && h != -1 && h != 0){
			loaded = true;
			setPreferredSize(new Dimension(w,h));
		}else{
			errorsizex = Imagestart.size * 10;
			errorsizey = Imagestart.size * 10;
			setPreferredSize(new Dimension(errorsizex,errorsizey));
		}
	}
}