#include "mainWindow.h" #include #include int main(int argc, char *argv[]) { // qreal physicalDPI = 1.0; // qreal logicalDPI = 1.0; // QList listScreen = QGuiApplication::screens(); // for(int n=0; nphysicalDotsPerInch(); // logicalDPI = screen->logicalDotsPerInch(); // int a = 1; // } qputenv("QT_ENABLE_HIGHDPI_SCALING", "1"); QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough); QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); QApplication a(argc, argv); MainWindow w; w.showMaximized(); return a.exec(); }