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Java Source | 2003-08-08 | 2.9 KB | 88 lines |
- /*
- * @(#)Canvas2D.java 1.9 02/04/01 15:03:28
- *
- * Copyright (c) 1996-2002 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any
- * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
- * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
- * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
- * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
- * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR
- * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF
- * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE,
- * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed,licensed or intended
- * for use in the design, construction, operation or maintenance of
- * any nuclear facility.
- */
-
- import java.awt.*;
- import java.awt.event.*;
- import java.awt.image.*;
-
- /**
- * Class: Canvas2D
- *
- * Description: Used to respond to mouse events in the 2D window.
- *
- * Version: 1.0
- *
- */
- class Canvas2D extends Canvas implements MouseListener {
-
- Image backbuffer; // Backbuffer image
- Graphics gc; // Graphics context of backbuffer
- Board board; // Game board
-
- Canvas2D(Board board) {
- this.board = board;
- }
-
- public void setBuffer(Image backbuffer) {
- this.backbuffer = backbuffer;
- gc = backbuffer.getGraphics();
- }
-
- public void update(Graphics g) {
- paint(g);
- }
-
- public void paint(Graphics g) {
- if (board != null) {
- board.render2D(gc);
- g.drawImage(backbuffer, 0, 0, this);
- }
- }
-
- public void mousePressed(MouseEvent e) {
- board.checkSelection2D(e.getX(), e.getY(), 1);
- repaint();
- }
-
- public void mouseClicked(MouseEvent e) {}
- public void mouseReleased(MouseEvent e) {}
- public void mouseEntered(MouseEvent e) {}
- public void mouseExited(MouseEvent e) {}
- }
-