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| |
| #include "qwinrtcamerafocuscontrol.h" |
| #include "qwinrtcameraimagecapturecontrol.h" |
| #include "qwinrtcameracontrol.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QWinRTCameraFocusControlPrivate |
| { |
| public: |
| QCameraFocus::FocusModes focusModes; |
| QCameraFocus::FocusModes supportedFocusModes; |
| QCameraFocus::FocusPointMode focusPointMode; |
| QSet<QCameraFocus::FocusPointMode> supportedFocusPointModes; |
| QPointF focusPoint; |
| bool focusModeInitialized; |
| bool focusPointModeInitialized; |
| bool imageCaptureIdle; |
| }; |
| |
| QWinRTCameraFocusControl::QWinRTCameraFocusControl(QWinRTCameraControl *parent) |
| : QCameraFocusControl(parent), d_ptr(new QWinRTCameraFocusControlPrivate) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| d->focusModeInitialized = false; |
| d->focusPointModeInitialized = false; |
| d->focusModes = QCameraFocus::ContinuousFocus; |
| d->focusPointMode = QCameraFocus::FocusPointAuto; |
| d->imageCaptureIdle = true; |
| QWinRTCameraImageCaptureControl *imageCaptureControl = static_cast<QWinRTCameraImageCaptureControl *>(parent->imageCaptureControl()); |
| Q_ASSERT(imageCaptureControl); |
| connect(imageCaptureControl, &QWinRTCameraImageCaptureControl::captureQueueChanged, |
| this, &QWinRTCameraFocusControl::imageCaptureQueueChanged, Qt::QueuedConnection); |
| } |
| |
| QCameraFocus::FocusModes QWinRTCameraFocusControl::focusMode() const |
| { |
| Q_D(const QWinRTCameraFocusControl); |
| return d->focusModes; |
| } |
| |
| void QWinRTCameraFocusControl::setFocusMode(QCameraFocus::FocusModes modes) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| if (d->focusModes == modes) |
| return; |
| QWinRTCameraControl *cameraControl = static_cast<QWinRTCameraControl *>(parent()); |
| Q_ASSERT(cameraControl); |
| if (!modes) { |
| cameraControl->emitError(QCamera::InvalidRequestError, QStringLiteral("Can't set empty camera focus modes.")); |
| return; |
| } |
| if (!d->focusModeInitialized) { |
| d->focusModes = modes; |
| emit focusModeChanged(modes); |
| return; |
| } |
| if (!isFocusModeSupported(modes)) { |
| cameraControl->emitError(QCamera::NotSupportedFeatureError, QStringLiteral("Unsupported camera focus modes.")); |
| return; |
| } |
| if (modes.testFlag(QCameraFocus::ContinuousFocus)) { |
| if (QCameraFocus::FocusPointCustom == d->focusPointMode) { |
| cameraControl->emitError(QCamera::NotSupportedFeatureError, |
| QStringLiteral("Unsupported camera focus modes: ContinuousFocus with FocusPointCustom.")); |
| return; |
| } else if (!d->imageCaptureIdle) { |
| cameraControl->emitError(QCamera::NotSupportedFeatureError, |
| QStringLiteral("Can't set ContinuousFocus camera focus mode while capturing image.")); |
| return; |
| } |
| } |
| if (!cameraControl->setFocus(modes)) |
| return; |
| if (modes.testFlag(QCameraFocus::ContinuousFocus) || d->focusModes.testFlag(QCameraFocus::ContinuousFocus)) |
| cameraControl->focus(); |
| d->focusModes = modes; |
| emit focusModeChanged(modes); |
| } |
| |
| bool QWinRTCameraFocusControl::isFocusModeSupported(QCameraFocus::FocusModes modes) const |
| { |
| Q_D(const QWinRTCameraFocusControl); |
| return (d->focusModeInitialized && modes) ? !((d->supportedFocusModes & modes) ^ modes) : false; |
| } |
| |
| QCameraFocus::FocusPointMode QWinRTCameraFocusControl::focusPointMode() const |
| { |
| Q_D(const QWinRTCameraFocusControl); |
| return d->focusPointMode; |
| } |
| |
| void QWinRTCameraFocusControl::setFocusPointMode(QCameraFocus::FocusPointMode mode) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| if (d->focusPointMode == mode) |
| return; |
| |
| if (!d->focusModeInitialized) { |
| d->focusPointMode = mode; |
| emit focusPointModeChanged(mode); |
| return; |
| } |
| QWinRTCameraControl *cameraControl = static_cast<QWinRTCameraControl *>(parent()); |
| Q_ASSERT(cameraControl); |
| if (!d->supportedFocusPointModes.contains(mode)) { |
| cameraControl->emitError(QCamera::NotSupportedFeatureError, QStringLiteral("Unsupported camera point focus mode.")); |
| return; |
| } |
| if (QCameraFocus::FocusPointCenter == mode || QCameraFocus::FocusPointAuto == mode) |
| d->focusPoint = QPointF(0.5, 0.5); |
| // Don't apply focus point focus settings if camera is in continuous focus mode |
| if (!d->focusModes.testFlag(QCameraFocus::ContinuousFocus)) { |
| changeFocusCustomPoint(d->focusPoint); |
| } else if (QCameraFocus::FocusPointCustom == mode) { |
| cameraControl->emitError(QCamera::NotSupportedFeatureError, QStringLiteral("Unsupported camera focus modes: ContinuousFocus with FocusPointCustom.")); |
| return; |
| } |
| d->focusPointMode = mode; |
| emit focusPointModeChanged(mode); |
| } |
| |
| bool QWinRTCameraFocusControl::isFocusPointModeSupported(QCameraFocus::FocusPointMode mode) const |
| { |
| Q_D(const QWinRTCameraFocusControl); |
| return d->supportedFocusPointModes.contains(mode); |
| } |
| |
| QPointF QWinRTCameraFocusControl::customFocusPoint() const |
| { |
| Q_D(const QWinRTCameraFocusControl); |
| return d->focusPoint; |
| } |
| |
| void QWinRTCameraFocusControl::setCustomFocusPoint(const QPointF &point) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| if (d->focusPointMode != QCameraFocus::FocusPointCustom) { |
| QWinRTCameraControl *cameraControl = static_cast<QWinRTCameraControl *>(parent()); |
| Q_ASSERT(cameraControl); |
| cameraControl->emitError(QCamera::InvalidRequestError, QStringLiteral("Custom focus point can be set only in FocusPointCustom focus mode.")); |
| return; |
| } |
| if (d->focusPoint == point) |
| return; |
| if (changeFocusCustomPoint(point)) { |
| d->focusPoint = point; |
| emit customFocusPointChanged(point); |
| } |
| |
| } |
| |
| QCameraFocusZoneList QWinRTCameraFocusControl::focusZones() const |
| { |
| return QCameraFocusZoneList(); |
| } |
| |
| void QWinRTCameraFocusControl::setSupportedFocusMode(QCameraFocus::FocusModes modes) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| d->supportedFocusModes = modes; |
| d->focusModeInitialized = true; |
| if (isFocusModeSupported(d->focusModes)) |
| return; |
| d->focusModes = nullptr; |
| if (!modes) { |
| emit focusModeChanged(d->focusModes); |
| return; |
| } |
| if (isFocusModeSupported(QCameraFocus::ContinuousFocus)) |
| d->focusModes = QCameraFocus::ContinuousFocus; |
| else if (isFocusModeSupported(QCameraFocus::AutoFocus)) |
| d->focusModes = QCameraFocus::AutoFocus; |
| else if (isFocusModeSupported(QCameraFocus::ManualFocus)) |
| d->focusModes = QCameraFocus::ManualFocus; |
| emit focusModeChanged(d->focusModes); |
| } |
| |
| void QWinRTCameraFocusControl::setSupportedFocusPointMode(const QSet<QCameraFocus::FocusPointMode> &supportedFocusPointModes) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| d->supportedFocusPointModes = supportedFocusPointModes; |
| d->focusPointModeInitialized = true; |
| |
| if (supportedFocusPointModes.isEmpty()) { |
| if (d->focusPointMode != QCameraFocus::FocusPointAuto) { |
| d->focusPointMode = QCameraFocus::FocusPointAuto; |
| emit focusPointModeChanged(d->focusPointMode); |
| } |
| return; |
| } |
| |
| if (isFocusPointModeSupported(d->focusPointMode)) |
| return; |
| |
| if (isFocusPointModeSupported(QCameraFocus::FocusPointCenter)) |
| d->focusPointMode = QCameraFocus::FocusPointCenter; |
| else if (isFocusPointModeSupported(QCameraFocus::FocusPointAuto)) |
| d->focusPointMode = QCameraFocus::FocusPointAuto; |
| else if (isFocusPointModeSupported(QCameraFocus::FocusPointCustom)) |
| d->focusPointMode = QCameraFocus::FocusPointCustom; |
| else if (isFocusPointModeSupported(QCameraFocus::FocusPointFaceDetection)) |
| d->focusPointMode = QCameraFocus::FocusPointFaceDetection; |
| emit focusPointModeChanged(d->focusPointMode); |
| } |
| |
| void QWinRTCameraFocusControl::imageCaptureQueueChanged(bool isEmpty) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| d->imageCaptureIdle = isEmpty; |
| } |
| |
| bool QWinRTCameraFocusControl::changeFocusCustomPoint(const QPointF &point) |
| { |
| Q_D(QWinRTCameraFocusControl); |
| if (!d->focusPointModeInitialized || point.isNull()) |
| return true; |
| QWinRTCameraControl *cameraControl = static_cast<QWinRTCameraControl *>(parent()); |
| Q_ASSERT(cameraControl); |
| cameraControl->clearFocusPoint(); |
| return cameraControl->setFocusPoint(point); |
| } |
| |
| QT_END_NAMESPACE |