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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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QQnxCamera Class Reference

#include <qqnxcamera_p.h>

+ Inheritance diagram for QQnxCamera:
+ Collaboration diagram for QQnxCamera:

Signals

void focusModeChanged (camera_focusmode_t mode)
 
void customFocusPointChanged (const QPointF &point)
 
void minimumZoomFactorChanged (double factor)
 
double maximumZoomFactorChanged (double factor)
 
void frameAvailable ()
 
- 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.
 

Public Member Functions

 QQnxCamera (camera_unit_t unit, QObject *parent=nullptr)
 
 ~QQnxCamera ()
 
camera_unit_t unit () const
 
QString name () const
 
bool isValid () const
 
bool isActive () const
 
void start ()
 
void stop ()
 
bool startVideoRecording (const QString &filename)
 
void stopVideoRecording ()
 
bool setCameraFormat (uint32_t width, uint32_t height, double frameRate)
 
bool isFocusModeSupported (camera_focusmode_t mode) const
 
bool setFocusMode (camera_focusmode_t mode)
 
camera_focusmode_t focusMode () const
 
void setCustomFocusPoint (const QPointF &point)
 
void setManualFocusStep (int step)
 
int manualFocusStep () const
 
int maxFocusStep () const
 
QSize viewFinderSize () const
 
uint32_t minimumZoomLevel () const
 
uint32_t maximumZoomLevel () const
 
bool isSmoothZoom () const
 
double zoomRatio (uint32_t zoomLevel) const
 
bool setZoomFactor (uint32_t factor)
 
void setEvOffset (float ev)
 
uint32_t manualIsoSensitivity () const
 
void setManualIsoSensitivity (uint32_t value)
 
void setManualExposureTime (double seconds)
 
double manualExposureTime () const
 
void setWhiteBalanceMode (camera_whitebalancemode_t mode)
 
camera_whitebalancemode_t whiteBalanceMode () const
 
void setManualWhiteBalance (uint32_t value)
 
uint32_t manualWhiteBalance () const
 
bool hasFeature (camera_feature_t feature) const
 
camera_handle_t handle () const
 
QList< camera_vfmode_t > supportedVfModes () const
 
QList< camera_res_t > supportedVfResolutions () const
 
QList< camera_frametype_t > supportedVfFrameTypes () const
 
QList< camera_focusmode_t > supportedFocusModes () const
 
QList< double > specifiedVfFrameRates (camera_frametype_t frameType, camera_res_t resolution) const
 
QList< camera_frametype_t > supportedRecordingFrameTypes () const
 
QList< uint32_t > supportedWhiteBalanceValues () const
 
bool hasContinuousWhiteBalanceValues () const
 
std::unique_ptr< QQnxCameraFrameBuffertakeCurrentFrame ()
 
- 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< QStringbindableObjectName ()
 
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).
 
QThreadthread () 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 >
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 >
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 QObjectListchildren () 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< QByteArraydynamicPropertyNames () const
 
QBindingStoragebindingStorage ()
 
const QBindingStoragebindingStorage () const
 
QObjectparent () 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.
 

Static Public Member Functions

static QList< camera_unit_t > supportedUnits ()
 
- 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)
 

Friends

QDebugoperator<< (QDebug &, const VideoFormat &)
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 
- Protected Member Functions inherited from QObject
QObjectsender () 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)
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectDatad_ptr
 
- Properties inherited from QObject
QString objectName
 the name of this object
 

Detailed Description

Definition at line 37 of file qqnxcamera_p.h.

Constructor & Destructor Documentation

◆ QQnxCamera()

QT_BEGIN_NAMESPACE QQnxCamera::QQnxCamera ( camera_unit_t unit,
QObject * parent = nullptr )
explicit

Definition at line 62 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), QQnxCameraHandle::lastError(), QQnxCameraHandle::open(), and qWarning.

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◆ ~QQnxCamera()

QQnxCamera::~QQnxCamera ( )

Definition at line 86 of file qqnxcamera.cpp.

References stop().

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Member Function Documentation

◆ customFocusPointChanged

void QQnxCamera::customFocusPointChanged ( const QPointF & point)
signal

Referenced by QQnxPlatformCamera::setCamera(), and setCustomFocusPoint().

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◆ focusMode()

camera_focusmode_t QQnxCamera::focusMode ( ) const

Definition at line 187 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

Referenced by setCustomFocusPoint().

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◆ focusModeChanged

void QQnxCamera::focusModeChanged ( camera_focusmode_t mode)
signal

Referenced by QQnxPlatformCamera::setCamera(), and setFocusMode().

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◆ frameAvailable

void QQnxCamera::frameAvailable ( )
signal

Referenced by QQnxPlatformCamera::setCamera().

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◆ handle()

camera_handle_t QQnxCamera::handle ( ) const

Definition at line 588 of file qqnxcamera.cpp.

References QQnxCameraHandle::get().

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◆ hasContinuousWhiteBalanceValues()

bool QQnxCamera::hasContinuousWhiteBalanceValues ( ) const

Definition at line 686 of file qqnxcamera.cpp.

◆ hasFeature()

bool QQnxCamera::hasFeature ( camera_feature_t feature) const

Definition at line 465 of file qqnxcamera.cpp.

References QQnxCameraHandle::get().

Referenced by startVideoRecording().

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◆ isActive()

bool QQnxCamera::isActive ( ) const

Definition at line 114 of file qqnxcamera.cpp.

References QQnxCameraHandle::isOpen().

Referenced by focusMode(), manualExposureTime(), manualIsoSensitivity(), manualWhiteBalance(), setEvOffset(), setFocusMode(), setManualExposureTime(), setManualFocusStep(), setManualIsoSensitivity(), setManualWhiteBalance(), setWhiteBalanceMode(), start(), stop(), and whiteBalanceMode().

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◆ isFocusModeSupported()

bool QQnxCamera::isFocusModeSupported ( camera_focusmode_t mode) const

Definition at line 165 of file qqnxcamera.cpp.

References supportedFocusModes().

Referenced by setManualFocusStep().

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◆ isSmoothZoom()

bool QQnxCamera::isSmoothZoom ( ) const

Definition at line 381 of file qqnxcamera.cpp.

◆ isValid()

bool QQnxCamera::isValid ( ) const

Definition at line 109 of file qqnxcamera.cpp.

◆ manualExposureTime()

double QQnxCamera::manualExposureTime ( ) const

Definition at line 450 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ manualFocusStep()

int QQnxCamera::manualFocusStep ( ) const

Definition at line 318 of file qqnxcamera.cpp.

◆ manualIsoSensitivity()

uint32_t QQnxCamera::manualIsoSensitivity ( ) const

Definition at line 417 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ manualWhiteBalance()

uint32_t QQnxCamera::manualWhiteBalance ( ) const

Definition at line 503 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ maxFocusStep()

int QQnxCamera::maxFocusStep ( ) const

Definition at line 323 of file qqnxcamera.cpp.

◆ maximumZoomFactorChanged

double QQnxCamera::maximumZoomFactorChanged ( double factor)
signal

◆ maximumZoomLevel()

uint32_t QQnxCamera::maximumZoomLevel ( ) const

Definition at line 376 of file qqnxcamera.cpp.

◆ minimumZoomFactorChanged

void QQnxCamera::minimumZoomFactorChanged ( double factor)
signal

◆ minimumZoomLevel()

uint32_t QQnxCamera::minimumZoomLevel ( ) const

Definition at line 371 of file qqnxcamera.cpp.

◆ name()

QString QQnxCamera::name ( ) const

Definition at line 96 of file qqnxcamera.cpp.

References QString::fromUtf8(), and qWarning.

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◆ setCameraFormat()

bool QQnxCamera::setCameraFormat ( uint32_t width,
uint32_t height,
double frameRate )

Definition at line 147 of file qqnxcamera.cpp.

References error, frameRate, QQnxCameraHandle::get(), QQnxCameraHandle::isOpen(), and qWarning.

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◆ setCustomFocusPoint()

void QQnxCamera::setCustomFocusPoint ( const QPointF & point)

Definition at line 268 of file qqnxcamera.cpp.

References customFocusPointChanged(), focusMode(), QQnxCameraHandle::get(), qWarning, setFocusMode(), viewFinderSize(), QPointF::x(), and QPointF::y().

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◆ setEvOffset()

void QQnxCamera::setEvOffset ( float ev)

Definition at line 408 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ setFocusMode()

bool QQnxCamera::setFocusMode ( camera_focusmode_t mode)

Definition at line 170 of file qqnxcamera.cpp.

References focusModeChanged(), QQnxCameraHandle::get(), isActive(), and qWarning.

Referenced by setCustomFocusPoint().

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◆ setManualExposureTime()

void QQnxCamera::setManualExposureTime ( double seconds)

Definition at line 441 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ setManualFocusStep()

void QQnxCamera::setManualFocusStep ( int step)

Definition at line 302 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), isFocusModeSupported(), and qWarning.

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◆ setManualIsoSensitivity()

void QQnxCamera::setManualIsoSensitivity ( uint32_t value)

Definition at line 432 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ setManualWhiteBalance()

void QQnxCamera::setManualWhiteBalance ( uint32_t value)

Definition at line 494 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ setWhiteBalanceMode()

void QQnxCamera::setWhiteBalanceMode ( camera_whitebalancemode_t mode)

Definition at line 470 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ setZoomFactor()

bool QQnxCamera::setZoomFactor ( uint32_t factor)

Definition at line 398 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), and qWarning.

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◆ specifiedVfFrameRates()

QList< double > QQnxCamera::specifiedVfFrameRates ( camera_frametype_t frameType,
camera_res_t resolution ) const

Definition at line 654 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), and qWarning.

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◆ start()

void QQnxCamera::start ( )

Definition at line 119 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ startVideoRecording()

bool QQnxCamera::startVideoRecording ( const QString & filename)

Definition at line 518 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), hasFeature(), qPrintable, qWarning, supportedRecordingFrameTypes(), and supportedVfFrameTypes().

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◆ stop()

void QQnxCamera::stop ( )

Definition at line 133 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), qWarning, and stopVideoRecording().

Referenced by ~QQnxCamera().

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◆ stopVideoRecording()

void QQnxCamera::stopVideoRecording ( )

Definition at line 566 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), and qWarning.

Referenced by stop().

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◆ supportedFocusModes()

QList< camera_focusmode_t > QQnxCamera::supportedFocusModes ( ) const

Definition at line 649 of file qqnxcamera.cpp.

Referenced by isFocusModeSupported().

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◆ supportedRecordingFrameTypes()

QList< camera_frametype_t > QQnxCamera::supportedRecordingFrameTypes ( ) const

Definition at line 676 of file qqnxcamera.cpp.

Referenced by startVideoRecording().

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◆ supportedUnits()

QList< camera_unit_t > QQnxCamera::supportedUnits ( )
static

Definition at line 691 of file qqnxcamera.cpp.

References qWarning.

Referenced by QQnxVideoDevices::videoDevices().

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◆ supportedVfFrameTypes()

QList< camera_frametype_t > QQnxCamera::supportedVfFrameTypes ( ) const

Definition at line 644 of file qqnxcamera.cpp.

Referenced by startVideoRecording().

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◆ supportedVfModes()

QList< camera_vfmode_t > QQnxCamera::supportedVfModes ( ) const

Definition at line 634 of file qqnxcamera.cpp.

◆ supportedVfResolutions()

QList< camera_res_t > QQnxCamera::supportedVfResolutions ( ) const

Definition at line 639 of file qqnxcamera.cpp.

◆ supportedWhiteBalanceValues()

QList< uint32_t > QQnxCamera::supportedWhiteBalanceValues ( ) const

Definition at line 681 of file qqnxcamera.cpp.

◆ takeCurrentFrame()

std::unique_ptr< QQnxCameraFrameBuffer > QQnxCamera::takeCurrentFrame ( )

Definition at line 794 of file qqnxcamera.cpp.

◆ unit()

camera_unit_t QQnxCamera::unit ( ) const

Definition at line 91 of file qqnxcamera.cpp.

◆ viewFinderSize()

QSize QQnxCamera::viewFinderSize ( ) const

Definition at line 355 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), and qWarning.

Referenced by setCustomFocusPoint().

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◆ whiteBalanceMode()

camera_whitebalancemode_t QQnxCamera::whiteBalanceMode ( ) const

Definition at line 479 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), isActive(), and qWarning.

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◆ zoomRatio()

double QQnxCamera::zoomRatio ( uint32_t zoomLevel) const

Definition at line 386 of file qqnxcamera.cpp.

References QQnxCameraHandle::get(), and qWarning.

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Friends And Related Symbol Documentation

◆ operator<<

QDebug & operator<< ( QDebug & d,
const VideoFormat & f )
friend

Definition at line 13 of file qqnxcamera.cpp.


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