symbian/QQrDecoder/QCameraControllerWidget.h

   1 #ifndef QCAMERACONTROLLER_H\r
   2 #define QCAMERACONTROLLER_H\r
   3 \r
   4 #include <QWidget>\r
   5 #include <FBS.H>  \r
   6 #include <BITDEV.H>\r
   7 #include <BITSTD.H>\r
   8 #include <e32cmn.h>\r
   9 #include <GDI.H>\r
  10 \r
  11 #include <cameraengine.h>\r
  12 #include <cameraengineobserver.h>\r
  13 \r
  14 #include <QTimer>\r
  15 \r
  16 class QCameraControllerWidget : public QWidget, public MCameraEngineObserver\r
  17 {\r
  18     Q_OBJECT\r
  19 \r
  20 public:\r
  21     QCameraControllerWidget(QWidget* parent);\r
  22     ~QCameraControllerWidget();\r
  23 \r
  24 protected:\r
  25     void paintEvent(QPaintEvent* event);\r
  26     void resizeEvent(QResizeEvent* event);\r
  27 \r
  28 private: // From MCameraEngineObserver\r
  29     void CreateBackBufferL();\r
  30     void ReleaseBackBuffer();\r
  31 \r
  32     void MceoCameraReady();\r
  33     void MceoFocusComplete();\r
  34     void MceoCapturedDataReady( TDesC8* aData );\r
  35     void MceoCapturedBitmapReady( CFbsBitmap* aBitmap );\r
  36     void MceoViewFinderFrameReady( CFbsBitmap& aFrame );\r
  37     void MceoHandleError( TCameraEngineError aErrorType, TInt aError );\r
  38     void MceoHandleOtherEvent( const TECAMEvent& /*aEvent*/ );\r
  39     void InitializeCamera();\r
  40     \r
  41 ////////////////////////\r
  42 public slots:    \r
  43     void CaptureImage();\r
  44     \r
  45 private slots:\r
  46     void sendBackbufferToDecode();\r
  47     \r
  48 signals:\r
  49     void logMessage(QString str);\r
  50     void imageCaptured(QImage cImage);\r
  51 \r
  52 private:\r
  53     // CameraWrapper class\r
  54     CCameraEngine*                      iCameraWrapper;\r
  55 \r
  56     CFbsBitmap*                         iBackBuffer;\r
  57     CFbsBitmapDevice*                   iBackBufferDevice;\r
  58     CFbsBitGc*                          iBackBufferContext;\r
  59 \r
  60     TSize                               iViewFinderSize;\r
  61     TSize                               iCaptureSize;\r
  62     \r
  63     //Timer\r
  64     QTimer* timer;\r
  65 };\r
  66 \r
  67 #endif //QCAMERACONTROLLER_H\r