#include #include "testform.h" int main(int argc, char* argv[]) { #if QT_VERSION >= QT_VERSION_CHECK(5,6,0) && QT_VERSION < QT_VERSION_CHECK(6,0,0) QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps #endif QApplication app(argc, argv); TestForm w; w.show(); w.updateMath(); w.showMaximized(); return app.exec(); }