#include struct QPaintDeviceMetrics { enum { PdmWidth, PdmHeight, PdmWidthMM, PdmHeightMM, PdmNumColors, PdmDepth, PdmDpiX, PdmDpiY }; QPaintDeviceMetrics(const QPaintDevice *); int depth() const; int height() const; int heightMM() const; int logicalDpiX() const; int logicalDpiY() const; int numColors() const; int width() const; int widthMM() const; } Qt::PaintDeviceMetrics;