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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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Public Member Functions | List of all members
QWindowsCamera Class Reference

#include <qwindowscamera_p.h>

+ Inheritance diagram for QWindowsCamera:
+ Collaboration diagram for QWindowsCamera:

Public Member Functions

 QWindowsCamera (QCamera *parent)
 
 ~QWindowsCamera () override
 
bool isActive () const override
 
void setActive (bool active) override
 
void setCamera (const QCameraDevice &camera) override
 
bool setCameraFormat (const QCameraFormat &) override
 
 QWindowsCamera (QCamera *camera)
 
virtual ~QWindowsCamera ()
 
bool isActive () const override
 
void setCamera (const QCameraDevice &camera) override
 
void setCaptureSession (QPlatformMediaCaptureSession *) override
 
bool setCameraFormat (const QCameraFormat &format) override
 
void setActive (bool active) override
 
- Public Member Functions inherited from QPlatformCamera
QCameraFormat cameraFormat () const
 
virtual bool isFocusModeSupported (QCamera::FocusMode mode) const
 
virtual void setFocusMode (QCamera::FocusMode)
 
virtual void setCustomFocusPoint (const QPointF &)
 
virtual void setFocusDistance (float)
 
virtual void zoomTo (float, float=-1.)
 
virtual void setFlashMode (QCamera::FlashMode)
 
virtual bool isFlashModeSupported (QCamera::FlashMode mode) const
 
virtual bool isFlashReady () const
 
virtual void setTorchMode (QCamera::TorchMode)
 
virtual bool isTorchModeSupported (QCamera::TorchMode mode) const
 
virtual void setExposureMode (QCamera::ExposureMode)
 
virtual bool isExposureModeSupported (QCamera::ExposureMode mode) const
 
virtual void setExposureCompensation (float)
 
virtual int isoSensitivity () const
 
virtual void setManualIsoSensitivity (int)
 
virtual void setManualExposureTime (float)
 
virtual float exposureTime () const
 
virtual bool isWhiteBalanceModeSupported (QCamera::WhiteBalanceMode mode) const
 
virtual void setWhiteBalanceMode (QCamera::WhiteBalanceMode)
 
virtual void setColorTemperature (int)
 
QVideoFrameFormat frameFormat () const override
 
QCamera::Features supportedFeatures () const
 
QCamera::FocusMode focusMode () const
 
QPointF focusPoint () const
 
float minZoomFactor () const
 
float maxZoomFactor () const
 
float zoomFactor () const
 
QPointF customFocusPoint () const
 
float focusDistance () const
 
QCamera::FlashMode flashMode () const
 
QCamera::TorchMode torchMode () const
 
QCamera::ExposureMode exposureMode () const
 
float exposureCompensation () const
 
int manualIsoSensitivity () const
 
int minIso () const
 
int maxIso () const
 
float manualExposureTime () const
 
float minExposureTime () const
 
float maxExposureTime () const
 
QCamera::WhiteBalanceMode whiteBalanceMode () const
 
int colorTemperature () const
 
void supportedFeaturesChanged (QCamera::Features)
 
void minimumZoomFactorChanged (float factor)
 
void maximumZoomFactorChanged (float)
 
void focusModeChanged (QCamera::FocusMode mode)
 
void customFocusPointChanged (const QPointF &point)
 
void focusDistanceChanged (float d)
 
void zoomFactorChanged (float zoom)
 
void flashReadyChanged (bool)
 
void flashModeChanged (QCamera::FlashMode mode)
 
void torchModeChanged (QCamera::TorchMode mode)
 
void exposureModeChanged (QCamera::ExposureMode mode)
 
void exposureCompensationChanged (float compensation)
 
void exposureCompensationRangeChanged (float min, float max)
 
void isoSensitivityChanged (int iso)
 
void minIsoChanged (int iso)
 
void maxIsoChanged (int iso)
 
void exposureTimeChanged (float speed)
 
void minExposureTimeChanged (float secs)
 
void maxExposureTimeChanged (float secs)
 
void whiteBalanceModeChanged (QCamera::WhiteBalanceMode mode)
 
void colorTemperatureChanged (int temperature)
 
QCamera::Error error () const
 
QString errorString () const final
 
void updateError (QCamera::Error error, const QString &errorString)
 
- Public Member Functions inherited from QPlatformVideoSource
virtual std::optional< int > ffmpegHWPixelFormat () const
 
bool hasError () const
 
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
 
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)
 
- Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects.
 
virtual bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed.
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 Filters events if this object has been installed as an event filter for the watched object.
 
QString objectName () const
 
Q_WEAK_OVERLOAD void setObjectName (const QString &name)
 Sets the object's name to name.
 
void setObjectName (QAnyStringView name)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
QBindable< QString > bindableObjectName ()
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false.
 
bool isWindowType () const
 Returns true if the object is a window; otherwise returns false.
 
bool isQuickItemType () const
 Returns true if the object is a QQuickItem; otherwise returns false.
 
bool signalsBlocked () const noexcept
 Returns true if signals are blocked; otherwise returns false.
 
bool blockSignals (bool b) noexcept
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
 
QThread * thread () const
 Returns the thread in which the object lives.
 
bool moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
 Changes the thread affinity for this object and its children and returns true on success.
 
int startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
 This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
 
int startTimer (std::chrono::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
 
void killTimer (int id)
 Kills the timer with timer identifier, id.
 
void killTimer (Qt::TimerId id)
 
template<typename T>
T findChild (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
 
template<typename T>
QList< T > findChildren (QAnyStringView aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.
 
template<typename T>
T findChild (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
template<typename T>
QList< T > findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
const QObjectList & children () const
 Returns a list of child objects.
 
void setParent (QObject *parent)
 Makes the object a child of parent.
 
void installEventFilter (QObject *filterObj)
 Installs an event filter filterObj on this object.
 
void removeEventFilter (QObject *obj)
 Removes an event filter object obj from this object.
 
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
 
bool disconnect (const QObject *receiver, const char *member=nullptr) const
 
void dumpObjectTree () const
 Dumps a tree of children to the debug output.
 
void dumpObjectInfo () const
 Dumps information about signal connections, etc.
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value.
 
bool setProperty (const char *name, QVariant &&value)
 
QVariant property (const char *name) const
 Returns the value of the object's name property.
 
QList< QByteArray > dynamicPropertyNames () const
 
QBindingStorage * bindingStorage ()
 
const QBindingStorage * bindingStorage () const
 
QObject * parent () const
 Returns a pointer to the parent object.
 
bool inherits (const char *classname) const
 Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false.
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 
- Signals inherited from QPlatformCamera
void errorOccurred (QCamera::Error error, const QString &errorString)
 
- Signals inherited from QPlatformVideoSource
void newVideoFrame (const QVideoFrame &)
 
void activeChanged (bool)
 
void errorChanged ()
 
- Signals inherited from QObject
void destroyed (QObject *=nullptr)
 This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
 
void objectNameChanged (const QString &objectName, QPrivateSignal)
 This signal is emitted after the object's name has been changed.
 
- Static Public Member Functions inherited from QPlatformCamera
static int colorTemperatureForWhiteBalance (QCamera::WhiteBalanceMode mode)
 
- Static Public Member Functions inherited from QObject
static QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 \threadsafe
 
static QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1, typename Func2>
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 \threadsafe
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static bool disconnect (const QMetaObject::Connection &)
 Disconnect a connection.
 
template<typename Func1, typename Func2>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
 
template<typename Func1>
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)
 
- Protected Member Functions inherited from QPlatformCamera
 QPlatformCamera (QCamera *parent)
 
virtual int cameraPixelFormatScore (QVideoFrameFormat::PixelFormat, QVideoFrameFormat::ColorRange) const
 
QCameraFormat findBestCameraFormat (const QCameraDevice &camera) const
 
- Protected Member Functions inherited from QObject
QObject * sender () const
 Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.
 
int senderSignalIndex () const
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal.
 
bool isSignalConnected (const QMetaMethod &signal) const
 
virtual void timerEvent (QTimerEvent *event)
 This event handler can be reimplemented in a subclass to receive timer events for the object.
 
virtual void childEvent (QChildEvent *event)
 This event handler can be reimplemented in a subclass to receive child events.
 
virtual void customEvent (QEvent *event)
 This event handler can be reimplemented in a subclass to receive custom events.
 
virtual void connectNotify (const QMetaMethod &signal)
 
virtual void disconnectNotify (const QMetaMethod &signal)
 
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)
 
- Static Protected Member Functions inherited from QPlatformCamera
static constexpr int defaultColorTemperature ()
 
static constexpr QPointF defaultCustomFocusPoint ()
 
static constexpr float defaultExposureCompensation ()
 
static constexpr QCamera::ExposureMode defaultExposureMode ()
 
static constexpr float defaultExposureTime ()
 
static constexpr QCamera::FlashMode defaultFlashMode ()
 
static constexpr bool defaultFlashReady ()
 
static constexpr float defaultFocusDistance ()
 
static constexpr QCamera::FocusMode defaultFocusMode ()
 
static constexpr int defaultIso ()
 
static constexpr QCamera::TorchMode defaultTorchMode ()
 
static constexpr QCamera::WhiteBalanceMode defaultWhiteBalanceMode ()
 
static constexpr float defaultZoomFactor ()
 
- Protected Attributes inherited from QPlatformCamera
QCameraFormat m_cameraFormat
 
QVideoFrameFormat::PixelFormat m_framePixelFormat = QVideoFrameFormat::Format_Invalid
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectData > d_ptr
 
- Properties inherited from QObject
QString objectName
 the name of this object
 
- Related Symbols inherited from QObject
 Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
 
 
 
 \macro Q_CLASSINFO(Name, Value)
 

Detailed Description

Definition at line 25 of file qwindowscamera_p.h.

Constructor & Destructor Documentation

◆ QWindowsCamera() [1/2]

QT_BEGIN_NAMESPACE QWindowsCamera::QWindowsCamera ( QCamera * parent)
explicit

Definition at line 276 of file qwindowscamera.cpp.

◆ ~QWindowsCamera() [1/2]

QWindowsCamera::~QWindowsCamera ( )
overridedefault

Definition at line 282 of file qwindowscamera.cpp.

References setActive().

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◆ QWindowsCamera() [2/2]

QWindowsCamera::QWindowsCamera ( QCamera * camera)
explicit

◆ ~QWindowsCamera() [2/2]

virtual QWindowsCamera::~QWindowsCamera ( )
virtual

Member Function Documentation

◆ isActive() [1/2]

bool QWindowsCamera::isActive ( ) const
inlineoverridevirtual

Implements QPlatformVideoSource.

Definition at line 33 of file qwindowscamera_p.h.

◆ isActive() [2/2]

bool QWindowsCamera::isActive ( ) const
overridevirtual

Implements QPlatformVideoSource.

◆ setActive() [1/2]

void QWindowsCamera::setActive ( bool active)
overridevirtual

Implements QPlatformVideoSource.

Definition at line 287 of file qwindowscamera.cpp.

Referenced by ~QWindowsCamera(), and setCamera().

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◆ setActive() [2/2]

void QWindowsCamera::setActive ( bool active)
overridevirtual

Implements QPlatformVideoSource.

◆ setCamera() [1/2]

void QWindowsCamera::setCamera ( const QCameraDevice & camera)
overridevirtual

Implements QPlatformCamera.

Definition at line 309 of file qwindowscamera.cpp.

References setActive().

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◆ setCamera() [2/2]

void QWindowsCamera::setCamera ( const QCameraDevice & camera)
overridevirtual

Implements QPlatformCamera.

◆ setCameraFormat() [1/2]

bool QWindowsCamera::setCameraFormat ( const QCameraFormat & format)
overridevirtual

Reimplemented from QPlatformCamera.

Definition at line 320 of file qwindowscamera.cpp.

◆ setCameraFormat() [2/2]

bool QWindowsCamera::setCameraFormat ( const QCameraFormat & format)
overridevirtual

Reimplemented from QPlatformCamera.

◆ setCaptureSession()

void QWindowsCamera::setCaptureSession ( QPlatformMediaCaptureSession * session)
overridevirtual

Reimplemented from QPlatformVideoSource.

Definition at line 46 of file qwindowscamera.cpp.

References QWindowsMediaCaptureService::session(), QWindowsMediaDeviceSession::setActive(), and QWindowsMediaDeviceSession::setActiveCamera().

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The documentation for this class was generated from the following files: