QastroCam: QCamClient.hpp Source File

00001 #ifndef _QCamClient_hpp_
00002 #define _QCamClient_hpp_
00003 
00004 #include <qobject.h>
00005 
00006 class QCam;
00007 
00014 class QCamClient : public QObject {
00015    Q_OBJECT
00016 public:
00017    QCamClient();
00018    QCamClient(QCam & cam);
00019    virtual ~QCamClient() {};
00021    void connectCam(QCam & cam);
00023    void disconnectCam();
00025    void pause();
00027    void resume();
00029    bool isConnected() const { return cam_ != NULL; }
00032    bool isActive() const { return isConnected() && !paused_;}
00035    QCam & cam() const {return *cam_;}
00036 
00039    QWidget * buildGUI(QWidget *parent);
00040 
00042    virtual const QString & label() const { static QString aLabel="A Camera Client"; return aLabel;}
00043  public slots:
00045  void disable(bool active);
00046 protected:
00048    virtual void camDisconnected(){};
00050    virtual void camConnected(){};
00051 protected slots:
00055    virtual void newFrame()=0;
00056 private:
00057    QCam * cam_;
00058    bool paused_;
00059 };
00060 #endif