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dbscreen.h Example File
qws/dbscreen/dbscreen.h

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 #ifndef DBSCREEN_H
 #define DBSCREEN_H

 #include <QLinuxFbScreen>
 #include <QPainter>

 class DBScreen : public QLinuxFbScreen
 {
 public:
     DBScreen(int displayId) : QLinuxFbScreen(displayId) {};
     ~DBScreen() {}
     bool initDevice();
     void shutdownDevice();
     void blit(const QImage &image, const QPoint &topLeft, const QRegion &region);
     void solidFill(const QColor &color, const QRegion &region);
     void exposeRegion(QRegion region, int changing);

 private:
     QPainter *painter;
     QImage *image;
 };

 #endif // DBSCREEN_H