601 static QImage prepareSurface(QImage img, int w, int h)

   601 static QImage prepareSurface(QImage img, int w, int h)

   602 {

   602 {

   603   Qt::TransformationMode mode = Qt::SmoothTransformation;

   603   Qt::TransformationMode mode = Qt::SmoothTransformation;

   604   img = img.scaled(w, h, Qt::IgnoreAspectRatio, mode);

   604   img = img.scaled(w, h, Qt::IgnoreAspectRatio, mode);

   605 

   605 

   607   int hs = h * 2;

   607   int hs = h * 2;

   608   int hofs = h / 3;

   608   int hofs = h / 3;

   609 

   609 

   610   // offscreen buffer: black is sweet

   610   // offscreen buffer: black is sweet

   611   QImage result(hs, w, QImage::Format_RGB16);

   611   QImage result(hs, w, QImage::Format_RGB16);