QPainter painter;
painter.begin( &pic );
QRect rect1(0,0,m_nWidth,m_nHeight);
QPoint point1(0,0);
QRect rectText(0,m_nHeight-200,500,200);
QPen pen(QColor (255,0,0),40,Qt::SolidLine);
painter.setPen(pen);
painter.drawText(rectText,Qt::AlignLeft,"sssssssssssssssssssssssssssssss");
painter.end();
这样也显示不了