--- /dev/null
+#include <QApplication>
+#include <DrawingWindow.h>
+
+void dessine(DrawingWindow& w)
+{
+ w.drawText(w.width / 2, w.height / 2, "Hello world!");
+}
+
+int main(int argc, char *argv[])
+{
+ QApplication application(argc, argv);
+ DrawingWindow fenetre(dessine, 640, 480);
+ fenetre.show();
+ return application.exec();
+}