//获取桌面信息
QDesktopWidget*desk = QApplication::desktop();
//获取桌面的大小
QRect rect = desk->screenGeometry();
m_height = rect.height();
m_width = rect.width();
//qDebug()<<desk->screenCount();
//获取应用程序的主屏幕
QScreen*screen = QGuiApplication::primaryScreen();
QPixmap map = screen->grabWindow( desk->winId() , 0 , 0 , m_width , m_height );
this->resize( m_width , m_height );
QLabel *label=new QLabel(this);
label->setGeometry(0,0,m_width,m_height);
label->setPixmap(map);
label->show();
qDebug()<<m_height<<m_width;
qt中截取桌面
最新推荐文章于 2024-12-12 21:23:16 发布