#include #include "testform.h" int main(int argc, char* argv[]) { #if QT_VERSION >= 0x050600 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(); }