Qt版本中国象棋开发（二）

 1 void Board::paintEvent(QPaintEvent *)
 2 {
 3     QPainter painter(this);
 4     int d = 40;
 5     // 画10横线
 6     for(int i=1; i<=10; ++i)
 7     {
 8         painter.drawLine(QPoint(d, i*d), QPoint(9*d, i*d));
 9     }
10     // 画9竖线
11     for(int i=1; i<=9; ++i)
12     {
13         if(i==1 || i==9)
14            painter.drawLine(QPoint(i*d, d), QPoint(i*d, 10*d));
15         else
16         {
17            painter.drawLine(QPoint(i*d, d), QPoint(i*d, 5*d));
18            painter.drawLine(QPoint(i*d, 6*d), QPoint(i*d, 10*d));
19         }
20     }
21 
22     // 九宫格
23     painter.drawLine(QPoint(4*d, 1*d), QPoint(6*d, 3*d));
24     painter.drawLine(QPoint(6*d, 1*d), QPoint(4*d, 3*d));
25 
26     painter.drawLine(QPoint(4*d, 8*d), QPoint(6*d, 10*d));
27     painter.drawLine(QPoint(6*d, 8*d), QPoint(4*d, 10*d));
28 
29 
30 }