#include <QtGui/qpaintdevice.h>
#ifndef QPAINTDEVICE_H
class QPaintDevice{
   /* Some contents are skipped to improve readability */
   public: enum PaintDeviceMetric{
      /* ... */
      PdmPhysicalDpiY = 10,
      /* ... */
   };
   /* ... */
};
#endif // QPAINTDEVICE_H