QT_BEGIN_NAMESPACE
BbCameraLocksControl::BbCameraLocksControl(BbCameraSession *session, QObject *parent)
: QCameraLocksControl(parent)
, m_session(session)
{
connect(m_session, SIGNAL(lockStatusChanged(QCamera::LockType,QCamera::LockStatus,QCamera::LockChangeReason)),
this, SIGNAL(lockStatusChanged(QCamera::LockType,QCamera::LockStatus,QCamera::LockChangeReason)));
}
void S60CameraLocksControl::startFocusing()
{
#ifndef S60_CAM_AUTOFOCUS_SUPPORT // S60 3.2 or later
// Focusing is triggered on Symbian by setting the FocusType corresponding
// to the FocusMode set to FocusControl
m_session->settings()->startFocusing();
#else // S60 3.1
if (m_focusControl && m_focusControl->focusMode() == QCameraFocus::AutoFocus) {
m_session->settings()->startFocus();
m_focusStatus = QCamera::Searching;
emit lockStatusChanged(QCamera::LockFocus, QCamera::Searching, QCamera::UserRequest);
} else {
emit lockStatusChanged(QCamera::LockFocus, QCamera::Unlocked, QCamera::LockFailed);
}
#endif // S60_CAM_AUTOFOCUS_SUPPORT
}
void CameraExample::enableCamera()
{
m_camera = new QCamera();
m_camera->setCaptureMode(QCamera::CaptureStillImage);
connect(m_camera, SIGNAL(error(QCamera::Error)), this, SLOT(error(QCamera::Error)));
connect(m_camera, SIGNAL(lockStatusChanged(QCamera::LockStatus,QCamera::LockChangeReason)), this, SLOT(lockStatusChanged(QCamera::LockStatus,QCamera::LockChangeReason)));
// Own video output drawing that shows camera view finder pictures
//! [0]
QMediaService* ms = m_camera->service();
QVideoRendererControl* vrc = ms->requestControl<QVideoRendererControl*>();
m_myVideoSurface = new MyVideoSurface(this,this,this);
vrc->setSurface(m_myVideoSurface);
//! [0]
// Image capturer
m_stillImageCapture = new QCameraImageCapture(m_camera);
connect(m_stillImageCapture, SIGNAL(imageCaptured(int,QImage)), this, SLOT(imageCaptured(int,QImage)));
// Start camera
if (m_camera->state() == QCamera::ActiveState) {
m_camera->stop();
}
m_videoWidget->show();
m_camera->start();
showViewFinder = true;
}
/*!
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)));
}
void S60CameraLocksControl::focusStatusChanged(QCamera::LockStatus status,
QCamera::LockChangeReason reason)
{
if(status != m_focusStatus) {
m_focusStatus = status;
emit lockStatusChanged(QCamera::LockFocus, status, reason);
}
}
void S60CameraLocksControl::cancelFocusing()
{
if (m_focusStatus == QCamera::Unlocked)
return;
#ifndef S60_CAM_AUTOFOCUS_SUPPORT // S60 3.2 or later
m_session->settings()->cancelFocusing();
#else // S60 3.1
m_session->settings()->cancelFocus();
m_focusStatus = QCamera::Unlocked;
emit lockStatusChanged(QCamera::LockFocus, QCamera::Unlocked, QCamera::UserRequest);
#endif // S60_CAM_AUTOFOCUS_SUPPORT
}
void CameraBinLocks::unlockExposure(QCamera::LockStatus status, QCamera::LockChangeReason reason)
{
GstElement *source = m_session->cameraSource();
if (!source)
return;
g_object_set(
G_OBJECT(source),
"exposure-mode",
GST_PHOTOGRAPHY_EXPOSURE_MODE_AUTO,
NULL);
emit lockStatusChanged(QCamera::LockExposure, status, reason);
}
void CameraBinLocks::lockExposure(QCamera::LockChangeReason reason)
{
GstElement *source = m_session->cameraSource();
if (!source)
return;
m_pendingLocks &= ~QCamera::LockExposure;
g_object_set(
G_OBJECT(source),
"exposure-mode",
GST_PHOTOGRAPHY_EXPOSURE_MODE_MANUAL,
NULL);
emit lockStatusChanged(QCamera::LockExposure, QCamera::Locked, reason);
}
void CameraBinLocks::updateFocusStatus(QCamera::LockStatus status, QCamera::LockChangeReason reason)
{
if (status != QCamera::Searching)
m_pendingLocks &= ~QCamera::LockFocus;
#if GST_CHECK_VERSION(1, 2, 0)
if (status == QCamera::Locked && !m_lockTimer.isActive()) {
if (m_pendingLocks & QCamera::LockExposure)
lockExposure(QCamera::LockAcquired);
if (m_pendingLocks & QCamera::LockWhiteBalance)
lockWhiteBalance(QCamera::LockAcquired);
}
#endif
emit lockStatusChanged(QCamera::LockFocus, status, reason);
}
void BarcodeScanner::createConnections() {
// init connections
connect(camera, SIGNAL(lockStatusChanged(QCamera::LockStatus, QCamera::LockChangeReason)),
this, SLOT(slotLockStatusChanged(QCamera::LockStatus)));
connect(imageCapture, SIGNAL(imageSaved(int, QString)), this, SLOT(slotImageSaved()));
// error handling
connect(camera, SIGNAL(lockFailed()), this, SLOT(slotLockFailed()));
connect(imageCapture, SIGNAL(error(int, QCameraImageCapture::Error, const QString&)), this, SLOT(slotCaptureFailed()));
connect(camera, SIGNAL(error(QCamera::Error)), this, SLOT(slotCameraError(QCamera::Error)));
// to stop camera after scan process if necessary
connect(this, SIGNAL(decodingFinished(const QString)),
this, SLOT(slotDecodingFinished()));
// for debugging
connect(camera, SIGNAL(statusChanged(QCamera::Status)),
this, SLOT(slotStatusChanged(QCamera::Status)));
connect(camera, SIGNAL(stateChanged(QCamera::State)),
this, SLOT(slotStateChanged(QCamera::State)));
}
void CameraBinLocks::updateFocusStatus(QCamera::LockStatus status, QCamera::LockChangeReason reason)
{
emit lockStatusChanged(QCamera::LockFocus, status, reason);
}
void CameraBinLocks::unlockWhiteBalance(
QCamera::LockStatus status, QCamera::LockChangeReason reason)
{
m_session->imageProcessingControl()->lockWhiteBalance();
emit lockStatusChanged(QCamera::LockWhiteBalance, status, reason);
}
void CameraBinLocks::lockWhiteBalance(QCamera::LockChangeReason reason)
{
m_pendingLocks &= ~QCamera::LockWhiteBalance;
m_session->imageProcessingControl()->lockWhiteBalance();
emit lockStatusChanged(QCamera::LockWhiteBalance, QCamera::Locked, reason);
}
