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svgalibpaintdevice.h Example File
qws/svgalib/svgalibpaintdevice.h

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 #ifndef SVGALIBPAINTDEVICE_H
 #define SVGALIBPAINTDEVICE_H

 #include "svgalibpaintengine.h"
 #include <private/qpaintengine_raster_p.h>
 #include <qscreen_qws.h>

 class SvgalibPaintDevice : public QCustomRasterPaintDevice
 {
 public:
     SvgalibPaintDevice(QWidget *w);
     ~SvgalibPaintDevice();

     void* memory() const { return QScreen::instance()->base(); }

     QPaintEngine *paintEngine() const { return pengine; }
     int metric(PaintDeviceMetric m) const;

 private:
     SvgalibPaintEngine *pengine;
 };

 #endif // SVGALIBPAINTDEVICE_H