Method drawStarMarks

ChessBoard.cpp:378–412

}

void ChessBoard::drawStarMarks(QPainter &painter)
{
    // 星位标记位置：炮位(row=2,col=1/7; row=7,col=1/7) 和 兵/卒位
    // 兵位: row=3,col=0/2/4/6/8; row=6,col=0/2/4/6/8
    struct StarPos { int row; int col; };
    StarPos positions[] = {
        {2,1},{2,7},{7,1},{7,7},  // 炮位
        {3,0},{3,2},{3,4},{3,6},{3,8},  // 黑方兵位
        {6,0},{6,2},{6,4},{6,6},{6,8}   // 红方卒位
    };

    const qreal len = m_nD * 0.15;  // 标记线长度
    const qreal gap = m_nD * 0.08;  // 与交叉点的间距
    painter.setPen(QPen(QColor(101, 67, 33), 1.5));

    for (const auto& pos : positions) {
        qreal cx = m_nOffSet + pos.col * m_nD;
        qreal cy = m_nOffSet + pos.row * m_nD;

        // 右下角标记（边界列除外右侧）
        if (pos.col < 8) {
            painter.drawLine(QPointF(cx+gap, cy+gap), QPointF(cx+gap+len, cy+gap));
            painter.drawLine(QPointF(cx+gap, cy+gap), QPointF(cx+gap, cy+gap+len));
            painter.drawLine(QPointF(cx+gap, cy-gap), QPointF(cx+gap+len, cy-gap));
            painter.drawLine(QPointF(cx+gap, cy-gap), QPointF(cx+gap, cy-gap-len));
        }
        // 左侧标记（边界列除外左侧）
        if (pos.col > 0) {
            painter.drawLine(QPointF(cx-gap, cy+gap), QPointF(cx-gap-len, cy+gap));
            painter.drawLine(QPointF(cx-gap, cy+gap), QPointF(cx-gap, cy+gap+len));
            painter.drawLine(QPointF(cx-gap, cy-gap), QPointF(cx-gap-len, cy-gap));
            painter.drawLine(QPointF(cx-gap, cy-gap), QPointF(cx-gap, cy-gap-len));
        }
    }
}

void ChessBoard:: drawLastStep(QPainter &painter,QVector<ChessStep*>& steps)
{