main.cpp Example File

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 #include <qstatusbar.h>
 #include <qmessagebox.h>
 #include <qmenubar.h>
 #include <qapplication.h>
 #include <qdesktopwidget.h>
 #include <qimage.h>
 #include <qtimer.h>

 #include "canvas.h"

 #include <stdlib.h>

 extern QString butterfly_fn;
 extern QString logo_fn;

 int main(int argc, char** argv)
 {
     Q_INIT_RESOURCE(portedcanvas);

     QApplication app(argc,argv);

     if ( argc > 1 )
         butterfly_fn = argv[1];
     else
         butterfly_fn = ":/trolltech/examples/graphicsview/portedcanvas/butterfly.png";

     if ( argc > 2 )
         logo_fn = argv[2];
     else
         logo_fn = ":/trolltech/examples/graphicsview/portedcanvas/qtlogo.png";

     QGraphicsScene canvas;
     canvas.setSceneRect(0, 0, 800, 600);
     Main m(canvas);
     m.resize(m.sizeHint());
     m.setCaption("Ported Canvas Example");
     if ( QApplication::desktop()->width() > m.width() + 10
         && QApplication::desktop()->height() > m.height() +30 )
         m.show();
     else
         m.showMaximized();

     QTimer timer;
     QObject::connect(&timer, SIGNAL(timeout()), &canvas, SLOT(advance()));
     timer.start(30);

     QObject::connect( qApp, SIGNAL(lastWindowClosed()), qApp, SLOT(quit()) );

     return app.exec();
 }