C++ (Cpp) digitalZoomChanged Examples

Example #1

File: qdeclarativecamera.cpp Project: SchleunigerAG/WinEC7_Qt5.3.1_Fixes

/*!
    Construct a declarative camera object using \a parent object.
 */
QDeclarativeCamera::QDeclarativeCamera(QObject *parent) :
    QObject(parent),
    m_camera(0),
    m_pendingState(ActiveState),
    m_componentComplete(false)
{
    m_camera = new QCamera(this);

    m_imageCapture = new QDeclarativeCameraCapture(m_camera, this);
    m_videoRecorder = new QDeclarativeCameraRecorder(m_camera, this);
    m_exposure = new QDeclarativeCameraExposure(m_camera, this);
    m_flash = new QDeclarativeCameraFlash(m_camera, this);
    m_focus = new QDeclarativeCameraFocus(m_camera, this);
    m_imageProcessing = new QDeclarativeCameraImageProcessing(m_camera, this);

    connect(m_camera, SIGNAL(captureModeChanged(QCamera::CaptureModes)), this, SIGNAL(captureModeChanged()));
    connect(m_camera, SIGNAL(lockStatusChanged(QCamera::LockStatus,QCamera::LockChangeReason)), this, SIGNAL(lockStatusChanged()));
    connect(m_camera, SIGNAL(stateChanged(QCamera::State)), this, SLOT(_q_updateState(QCamera::State)));
    connect(m_camera, SIGNAL(statusChanged(QCamera::Status)), this, SIGNAL(cameraStatusChanged()));
    connect(m_camera, SIGNAL(error(QCamera::Error)), this, SLOT(_q_error(QCamera::Error)));
    connect(m_camera, SIGNAL(availabilityChanged(QMultimedia::AvailabilityStatus)), this, SLOT(_q_availabilityChanged(QMultimedia::AvailabilityStatus)));

    connect(m_camera->focus(), SIGNAL(opticalZoomChanged(qreal)), this, SIGNAL(opticalZoomChanged(qreal)));
    connect(m_camera->focus(), SIGNAL(digitalZoomChanged(qreal)), this, SIGNAL(digitalZoomChanged(qreal)));
    connect(m_camera->focus(), SIGNAL(maximumOpticalZoomChanged(qreal)), this, SIGNAL(maximumOpticalZoomChanged(qreal)));
    connect(m_camera->focus(), SIGNAL(maximumDigitalZoomChanged(qreal)), this, SIGNAL(maximumDigitalZoomChanged(qreal)));
}

Example #2

File: qcamerafocus.cpp Project: KDE/android-qt-mobility

void QCameraFocusPrivate::initControls()
{
    Q_Q(QCameraFocus);

    focusControl = 0;

    QMediaService *service = camera->service();
    if (service)
        focusControl = qobject_cast<QCameraFocusControl *>(service->requestControl(QCameraFocusControl_iid));

    if (focusControl) {
        q->connect(focusControl, SIGNAL(opticalZoomChanged(qreal)), q, SIGNAL(opticalZoomChanged(qreal)));
        q->connect(focusControl, SIGNAL(digitalZoomChanged(qreal)), q, SIGNAL(digitalZoomChanged(qreal)));
        q->connect(focusControl, SIGNAL(maximumOpticalZoomChanged(qreal)),
                   q, SIGNAL(maximumOpticalZoomChanged(qreal)));
        q->connect(focusControl, SIGNAL(maximumDigitalZoomChanged(qreal)),
                   q, SIGNAL(maximumDigitalZoomChanged(qreal)));
        q->connect(focusControl, SIGNAL(focusZonesChanged()), q, SIGNAL(focusZonesChanged()));
    }
}

Example #3

void CameraBinFocus::zoomTo(qreal optical, qreal digital)
{
    Q_UNUSED(optical);
    digital = qBound(qreal(1.0), digital, qreal(10.0));
#ifdef Q_WS_MAEMO_5
    g_object_set(GST_BIN(m_session->cameraBin()), "zoom", qRound(digital*100.0), NULL);
#else
    g_object_set(GST_BIN(m_session->cameraBin()), "zoom", digital, NULL);
#endif
    emit digitalZoomChanged(digital);
}