您是指像这样的东西吗?
以下是在GUI左侧绘制井字棋图表的一种方法。我有一个模型类,将棋盘位置存储在二维int数组中,还有一个鼠标控制器类,让我知道人们在井字棋图表上点击的位置。
package com.ggl.tictactoe.view;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Stroke;
import java.awt.font.FontRenderContext;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import javax.swing.JPanel;
import com.ggl.tictactoe.controller.MouseMoveController;
import com.ggl.tictactoe.model.GameStatus;
import com.ggl.tictactoe.model.TicTacToeModel;
public class TicTacToePanel extends JPanel {
private static final long serialVersionUID = -9150412950439480699L;
private MouseMoveController controller;
private TicTacToeModel model;
public TicTacToePanel(TicTacToeFrame frame, TicTacToeModel model) {
this.model = model;
this.controller = new MouseMoveController(frame, model);
this.addMouseListener(controller);
this.setPreferredSize(new Dimension(360, 360));
}
public void setComputerMove() {
if (!model.isPlayerGoesFirst()) {
controller.setComputerMove();
}
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.WHITE);
g2d.fillRect(0, 0, getWidth(), getHeight());
int[][] board = model.getBoard();
int width = getWidth() / board.length;
int height = getHeight() / board[0].length;
int x = 0;
int y = 0;
Stroke stroke = new BasicStroke(7F);
g2d.setStroke(stroke);
g2d.setColor(Color.BLACK);
x += width;
for (int i = 0; i < (board.length - 1); i++) {
g2d.drawLine(x, y, x, getHeight());
x += width;
}
x = 0;
y += width;
for (int i = 0; i < (board.length - 1); i++) {
g2d.drawLine(x, y, getWidth(), y);
y += width;
}
float fontSize = (float) height * 72F / 96F;
Font largeFont = getFont().deriveFont(fontSize);
for (int i = 0; i < board.length; i++) {
x = width * i;
for (int j = 0; j < board[i].length; j++) {
y = height * j;
Rectangle r = new Rectangle(x, y, width, height);
if (board[i][j] == 1) {
g2d.setColor(Color.BLUE);
centerString(g2d, r, "X", largeFont);
} else if (board[i][j] == -1) {
g2d.setColor(Color.CYAN);
centerString(g2d, r, "O", largeFont);
}
}
}
if (model.getGameStatus() == GameStatus.TIE_GAME) {
BufferedImage image = GameOverImage.createImage(getWidth(),
getHeight(), "Tie Game");
g2d.drawImage(image, 0, 0, this);
} else if (model.getGameStatus() == GameStatus.COMPUTER_WINS) {
BufferedImage image = GameOverImage.createImage(getWidth(),
getHeight(), "Computer Wins");
g2d.drawImage(image, 0, 0, this);
} else if (model.getGameStatus() == GameStatus.PLAYER_WINS) {
BufferedImage image = GameOverImage.createImage(getWidth(),
getHeight(), "Player Wins");
g2d.drawImage(image, 0, 0, this);
}
}
private void centerString(Graphics2D g2d, Rectangle r, String s, Font font) {
FontRenderContext frc = new FontRenderContext(null, true, true);
Rectangle2D r2D = font.getStringBounds(s, frc);
int rWidth = (int) Math.round(r2D.getWidth());
int rHeight = (int) Math.round(r2D.getHeight());
int rX = (int) Math.round(r2D.getX());
int rY = (int) Math.round(r2D.getY());
int a = (r.width / 2) - (rWidth / 2) - rX;
int b = (r.height / 2) - (rHeight / 2) - rY;
g2d.setFont(font);
g2d.drawString(s, r.x + a, r.y + b);
}
}
这是鼠标控制器的代码。
package com.ggl.tictactoe.controller;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import com.ggl.tictactoe.model.GameStatus;
import com.ggl.tictactoe.model.TicTacToeModel;
import com.ggl.tictactoe.view.TicTacToeFrame;
public class MouseMoveController extends MouseAdapter {
private ComputerMoveRunnable controller;
private TicTacToeFrame frame;
private TicTacToeModel model;
public MouseMoveController(TicTacToeFrame frame, TicTacToeModel model) {
this.frame = frame;
this.model = model;
this.controller = new ComputerMoveRunnable(frame, model);
}
@Override
public void mousePressed(MouseEvent event) {
if ((model.getGameStatus() == GameStatus.ACTIVE_GAME)
&& (event.getButton() == MouseEvent.BUTTON1)) {
int width = frame.getTicTacToePanel().getWidth();
int height = frame.getTicTacToePanel().getHeight();
int positionWidth = TicTacToeModel.getPositionWidth();
Point p = event.getPoint();
int x = getPosition(p.x, width, positionWidth);
int y = getPosition(p.y, height, positionWidth);
int[][] board = model.getBoard();
if (board[x][y] == 0) {
model.setPlayerMove(x, y);
setComputerMove();
}
}
}
public void setComputerMove() {
controller.run();
frame.repaintTicTacToePanel();
}
private int getPosition(int location, int dimension, int squareWidth) {
for (int i = 0; i < squareWidth; i++) {
if (location < (dimension * (i + 1) / squareWidth)) {
return i;
}
}
return squareWidth - 1;
}
}
paint
,而是覆盖paintComponent
并确保调用super.paintComponent
。 - MadProgrammer