QCamTrans.hpp

#ifndef _QCamTrans_hpp_
#define _QCamTrans_hpp_

#include <qobject.h>
#include "QCam.hpp"

class FrameAlgo;

class QCamTrans : public QCam {
   Q_OBJECT
public:
   enum Mode {
      On=1 ,
      Off=2 ,
      Copy=3 
   };
   QCamTrans();
   void connectCam(QCam & cam);
   void disconnectCam();
   Mode mode() const {return mode_;}
   QCamFrame yuvFrame() const {return camFrame_; }
   void connectAlgo(FrameAlgo & algo);
   void disconnectAlgo();
   const QSize & size() const {
      if (cam_) {
         return cam_->size();
      } else return emptySize_;
   }
   void resize(const QSize & s) {
      if (cam_) {
         cam_->resize(s);
      }
   }
   virtual const QSize * getAllowedSize() const { return QCam::getAllowedSize();}
   virtual QWidget* buildGUI(QWidget * parent);
public slots:
   void mode(int mode);
signals:
   void modeChanged(int);
private slots:
   void transNewFrame();
private:
   QCam * cam_;
   bool paused_;
   QCamFrame camFrame_;
   Mode mode_;
   FrameAlgo * algo_;
   QWidget * algoWidget_;
   QSize emptySize_;
};
#endif

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