diff options
Diffstat (limited to 'examples/multimediawidgets/camera/camera.cpp')
| -rw-r--r-- | examples/multimediawidgets/camera/camera.cpp | 143 |
1 files changed, 65 insertions, 78 deletions
diff --git a/examples/multimediawidgets/camera/camera.cpp b/examples/multimediawidgets/camera/camera.cpp index 4d18b0519..85fe0f0bb 100644 --- a/examples/multimediawidgets/camera/camera.cpp +++ b/examples/multimediawidgets/camera/camera.cpp @@ -66,9 +66,7 @@ Q_DECLARE_METATYPE(QCameraInfo) -Camera::Camera(QWidget *parent) : - QMainWindow(parent), - ui(new Ui::Camera) +Camera::Camera() : ui(new Ui::Camera) { ui->setupUi(this); @@ -93,57 +91,46 @@ Camera::Camera(QWidget *parent) : setCamera(QCameraInfo::defaultCamera()); } -Camera::~Camera() -{ - delete mediaRecorder; - delete imageCapture; - delete camera; -} - void Camera::setCamera(const QCameraInfo &cameraInfo) { - delete imageCapture; - delete mediaRecorder; - delete camera; - - camera = new QCamera(cameraInfo); + m_camera.reset(new QCamera(cameraInfo)); - connect(camera, &QCamera::stateChanged, this, &Camera::updateCameraState); - connect(camera, QOverload<QCamera::Error>::of(&QCamera::error), this, &Camera::displayCameraError); + connect(m_camera.data(), &QCamera::stateChanged, this, &Camera::updateCameraState); + connect(m_camera.data(), QOverload<QCamera::Error>::of(&QCamera::error), this, &Camera::displayCameraError); - mediaRecorder = new QMediaRecorder(camera); - connect(mediaRecorder, &QMediaRecorder::stateChanged, this, &Camera::updateRecorderState); + m_mediaRecorder.reset(new QMediaRecorder(m_camera.data())); + connect(m_mediaRecorder.data(), &QMediaRecorder::stateChanged, this, &Camera::updateRecorderState); - imageCapture = new QCameraImageCapture(camera); + m_imageCapture.reset(new QCameraImageCapture(m_camera.data())); - connect(mediaRecorder, &QMediaRecorder::durationChanged, this, &Camera::updateRecordTime); - connect(mediaRecorder, QOverload<QMediaRecorder::Error>::of(&QMediaRecorder::error), + connect(m_mediaRecorder.data(), &QMediaRecorder::durationChanged, this, &Camera::updateRecordTime); + connect(m_mediaRecorder.data(), QOverload<QMediaRecorder::Error>::of(&QMediaRecorder::error), this, &Camera::displayRecorderError); - mediaRecorder->setMetaData(QMediaMetaData::Title, QVariant(QLatin1String("Test Title"))); + m_mediaRecorder->setMetaData(QMediaMetaData::Title, QVariant(QLatin1String("Test Title"))); connect(ui->exposureCompensation, &QAbstractSlider::valueChanged, this, &Camera::setExposureCompensation); - camera->setViewfinder(ui->viewfinder); + m_camera->setViewfinder(ui->viewfinder); - updateCameraState(camera->state()); - updateLockStatus(camera->lockStatus(), QCamera::UserRequest); - updateRecorderState(mediaRecorder->state()); + updateCameraState(m_camera->state()); + updateLockStatus(m_camera->lockStatus(), QCamera::UserRequest); + updateRecorderState(m_mediaRecorder->state()); - connect(imageCapture, &QCameraImageCapture::readyForCaptureChanged, this, &Camera::readyForCapture); - connect(imageCapture, &QCameraImageCapture::imageCaptured, this, &Camera::processCapturedImage); - connect(imageCapture, &QCameraImageCapture::imageSaved, this, &Camera::imageSaved); - connect(imageCapture, QOverload<int, QCameraImageCapture::Error, const QString &>::of(&QCameraImageCapture::error), + connect(m_imageCapture.data(), &QCameraImageCapture::readyForCaptureChanged, this, &Camera::readyForCapture); + connect(m_imageCapture.data(), &QCameraImageCapture::imageCaptured, this, &Camera::processCapturedImage); + connect(m_imageCapture.data(), &QCameraImageCapture::imageSaved, this, &Camera::imageSaved); + connect(m_imageCapture.data(), QOverload<int, QCameraImageCapture::Error, const QString &>::of(&QCameraImageCapture::error), this, &Camera::displayCaptureError); - connect(camera, QOverload<QCamera::LockStatus, QCamera::LockChangeReason>::of(&QCamera::lockStatusChanged), + connect(m_camera.data(), QOverload<QCamera::LockStatus, QCamera::LockChangeReason>::of(&QCamera::lockStatusChanged), this, &Camera::updateLockStatus); - ui->captureWidget->setTabEnabled(0, (camera->isCaptureModeSupported(QCamera::CaptureStillImage))); - ui->captureWidget->setTabEnabled(1, (camera->isCaptureModeSupported(QCamera::CaptureVideo))); + ui->captureWidget->setTabEnabled(0, (m_camera->isCaptureModeSupported(QCamera::CaptureStillImage))); + ui->captureWidget->setTabEnabled(1, (m_camera->isCaptureModeSupported(QCamera::CaptureVideo))); updateCaptureMode(); - camera->start(); + m_camera->start(); } void Camera::keyPressEvent(QKeyEvent * event) @@ -154,14 +141,14 @@ void Camera::keyPressEvent(QKeyEvent * event) switch (event->key()) { case Qt::Key_CameraFocus: displayViewfinder(); - camera->searchAndLock(); + m_camera->searchAndLock(); event->accept(); break; case Qt::Key_Camera: - if (camera->captureMode() == QCamera::CaptureStillImage) { + if (m_camera->captureMode() == QCamera::CaptureStillImage) { takeImage(); } else { - if (mediaRecorder->state() == QMediaRecorder::RecordingState) + if (m_mediaRecorder->state() == QMediaRecorder::RecordingState) stop(); else record(); @@ -180,7 +167,7 @@ void Camera::keyReleaseEvent(QKeyEvent *event) switch (event->key()) { case Qt::Key_CameraFocus: - camera->unlock(); + m_camera->unlock(); break; default: QMainWindow::keyReleaseEvent(event); @@ -189,7 +176,7 @@ void Camera::keyReleaseEvent(QKeyEvent *event) void Camera::updateRecordTime() { - QString str = QString("Recorded %1 sec").arg(mediaRecorder->duration()/1000); + QString str = QString("Recorded %1 sec").arg(m_mediaRecorder->duration()/1000); ui->statusbar->showMessage(str); } @@ -209,7 +196,7 @@ void Camera::processCapturedImage(int requestId, const QImage& img) void Camera::configureCaptureSettings() { - switch (camera->captureMode()) { + switch (m_camera->captureMode()) { case QCamera::CaptureStillImage: configureImageSettings(); break; @@ -223,68 +210,68 @@ void Camera::configureCaptureSettings() void Camera::configureVideoSettings() { - VideoSettings settingsDialog(mediaRecorder); + VideoSettings settingsDialog(m_mediaRecorder.data()); settingsDialog.setWindowFlags(settingsDialog.windowFlags() & ~Qt::WindowContextHelpButtonHint); - settingsDialog.setAudioSettings(audioSettings); - settingsDialog.setVideoSettings(videoSettings); - settingsDialog.setFormat(videoContainerFormat); + settingsDialog.setAudioSettings(m_audioSettings); + settingsDialog.setVideoSettings(m_videoSettings); + settingsDialog.setFormat(m_videoContainerFormat); if (settingsDialog.exec()) { - audioSettings = settingsDialog.audioSettings(); - videoSettings = settingsDialog.videoSettings(); - videoContainerFormat = settingsDialog.format(); - - mediaRecorder->setEncodingSettings( - audioSettings, - videoSettings, - videoContainerFormat); + m_audioSettings = settingsDialog.audioSettings(); + m_videoSettings = settingsDialog.videoSettings(); + m_videoContainerFormat = settingsDialog.format(); + + m_mediaRecorder->setEncodingSettings( + m_audioSettings, + m_videoSettings, + m_videoContainerFormat); } } void Camera::configureImageSettings() { - ImageSettings settingsDialog(imageCapture); + ImageSettings settingsDialog(m_imageCapture.data()); settingsDialog.setWindowFlags(settingsDialog.windowFlags() & ~Qt::WindowContextHelpButtonHint); - settingsDialog.setImageSettings(imageSettings); + settingsDialog.setImageSettings(m_imageSettings); if (settingsDialog.exec()) { - imageSettings = settingsDialog.imageSettings(); - imageCapture->setEncodingSettings(imageSettings); + m_imageSettings = settingsDialog.imageSettings(); + m_imageCapture->setEncodingSettings(m_imageSettings); } } void Camera::record() { - mediaRecorder->record(); + m_mediaRecorder->record(); updateRecordTime(); } void Camera::pause() { - mediaRecorder->pause(); + m_mediaRecorder->pause(); } void Camera::stop() { - mediaRecorder->stop(); + m_mediaRecorder->stop(); } void Camera::setMuted(bool muted) { - mediaRecorder->setMuted(muted); + m_mediaRecorder->setMuted(muted); } void Camera::toggleLock() { - switch (camera->lockStatus()) { + switch (m_camera->lockStatus()) { case QCamera::Searching: case QCamera::Locked: - camera->unlock(); + m_camera->unlock(); break; case QCamera::Unlocked: - camera->searchAndLock(); + m_camera->searchAndLock(); } } @@ -317,8 +304,8 @@ void Camera::updateLockStatus(QCamera::LockStatus status, QCamera::LockChangeRea void Camera::takeImage() { - isCapturingImage = true; - imageCapture->capture(); + m_isCapturingImage = true; + m_imageCapture->capture(); } void Camera::displayCaptureError(int id, const QCameraImageCapture::Error error, const QString &errorString) @@ -326,17 +313,17 @@ void Camera::displayCaptureError(int id, const QCameraImageCapture::Error error, Q_UNUSED(id); Q_UNUSED(error); QMessageBox::warning(this, tr("Image Capture Error"), errorString); - isCapturingImage = false; + m_isCapturingImage = false; } void Camera::startCamera() { - camera->start(); + m_camera->start(); } void Camera::stopCamera() { - camera->stop(); + m_camera->stop(); } void Camera::updateCaptureMode() @@ -344,8 +331,8 @@ void Camera::updateCaptureMode() int tabIndex = ui->captureWidget->currentIndex(); QCamera::CaptureModes captureMode = tabIndex == 0 ? QCamera::CaptureStillImage : QCamera::CaptureVideo; - if (camera->isCaptureModeSupported(captureMode)) - camera->setCaptureMode(captureMode); + if (m_camera->isCaptureModeSupported(captureMode)) + m_camera->setCaptureMode(captureMode); } void Camera::updateCameraState(QCamera::State state) @@ -389,17 +376,17 @@ void Camera::updateRecorderState(QMediaRecorder::State state) void Camera::setExposureCompensation(int index) { - camera->exposure()->setExposureCompensation(index*0.5); + m_camera->exposure()->setExposureCompensation(index*0.5); } void Camera::displayRecorderError() { - QMessageBox::warning(this, tr("Capture Error"), mediaRecorder->errorString()); + QMessageBox::warning(this, tr("Capture Error"), m_mediaRecorder->errorString()); } void Camera::displayCameraError() { - QMessageBox::warning(this, tr("Camera Error"), camera->errorString()); + QMessageBox::warning(this, tr("Camera Error"), m_camera->errorString()); } void Camera::updateCameraDevice(QAction *action) @@ -427,16 +414,16 @@ void Camera::imageSaved(int id, const QString &fileName) Q_UNUSED(id); ui->statusbar->showMessage(tr("Captured \"%1\"").arg(QDir::toNativeSeparators(fileName))); - isCapturingImage = false; - if (applicationExiting) + m_isCapturingImage = false; + if (m_applicationExiting) close(); } void Camera::closeEvent(QCloseEvent *event) { - if (isCapturingImage) { + if (m_isCapturingImage) { setEnabled(false); - applicationExiting = true; + m_applicationExiting = true; event->ignore(); } else { event->accept(); |