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/*
* Jesse Morgan <jesterpm@u.washington.edu>
*
* TCSS 305 - Autumn 2009
* Tetris Project
* 17 November 2009
*/
package tetris.gui;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import java.util.ArrayList;
import java.util.List;
import java.util.Observer;
import javax.swing.JPanel;
import tetris.board.TetrisBoard;
import tetris.gui.images.ImageRes;
import tetris.model.IntPoint;
/**
* Abstract component capable of drawing out tetris pieces.
*
* @author Jesse Morgan <jesse@jesterpm.net>
* @version 1.0 1 Dec 2009
*/
@SuppressWarnings("serial")
public abstract class TetrisPieceDisplay extends JPanel implements Observer {
// Private contants
/**
* Pixel size of one tetris piece.
*/
private static final int BRICK_SIZE = 27;
//Private fields
/**
* List of the bricks on the screen.
*/
protected List<IntPoint> my_bricks;
/**
* Storage for the brick image.
*/
private final Image my_brick_image;
/**
* Constructor.
*
* @param the_width Number of columns.
* @param the_height Number of rows.
*/
public TetrisPieceDisplay(final int the_width, final int the_height) {
// Call parent
super();
// Load brick image
my_brick_image = ImageRes.loadImage(ImageRes.TETRIS_BLOCK);
// Create our brick list
my_bricks = new ArrayList<IntPoint>();
// Set some hints for the layout manager
final Dimension d = new Dimension(the_width * my_brick_image.getWidth(null),
the_height * my_brick_image.getHeight(null));
setPreferredSize(d);
setMinimumSize(d);
setMaximumSize(d);
setOpaque(false);
}
@Override
protected void paintComponent(final Graphics the_graphics) {
super.paintComponent(the_graphics);
for (IntPoint brick : my_bricks) {
the_graphics.drawImage(my_brick_image,
brick.getX() * BRICK_SIZE,
(brick.getY() - TetrisBoard.NEW_PIECE_BUFFER) * BRICK_SIZE,
null);
}
}
}
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