/* TiledPanel is written by Nick Slager
   feel free to use it so long as you
   don't claim you wrote it */

import java.awt.*;
import java.util.*;
import java.lang.*;

public class TiledPanel extends Panel {
    Image image;
    int i_width, i_height, p_width, p_height;
    Dimension of_panel;
    int v_off;
    int h_off;

    /* Constructors */
    public TiledPanel() {
        image = null;
    } // Constructor()

    public TiledPanel(Image i) {
        image = i;
    } // Constructor(Image)


    /* painting the background of the panel */
    public void paint(Graphics g) {
        if (image != null) {
            i_width = image.getWidth(this);
            i_height = image.getHeight(this);
            of_panel = this.size();
            p_width = of_panel.width;
            p_height = of_panel.height;
            v_off = 0;
            h_off = 0;
            int vloop = p_height/i_height + 1;
            int hloop = p_width/i_width + 1;
            // Need this to get the image into memory or something
            // It's really really slow any other way I tried it
            // This works and it doesn't harm anything

            g.drawImage(image,0,0,this);

            // Do the tile effect
            for (int i=0;i<vloop;i++) {
                for (int j=0;j<hloop;j++) {
                    g.drawImage(image,h_off,v_off,this);
                    h_off = h_off + i_width;
                } // for
                v_off = v_off + i_height;
                h_off = 0;
            } // for
        } // if
    } // paint(Graphics)
} // class TiledPanel