#include <qsgopenvgrenderer_p.h>

Inheritance diagram for QSGOpenVGRenderer:

Collaboration diagram for QSGOpenVGRenderer:

Public Member Functions
	QSGOpenVGRenderer (QSGRenderContext *context)

virtual	~QSGOpenVGRenderer ()

void	nodeChanged (QSGNode *node, QSGNode::DirtyState state) override

void	render () final

Public Member Functions inherited from QSGRenderer
	QSGRenderer (QSGRenderContext *context)

virtual	~QSGRenderer ()

QMatrix4x4	currentProjectionMatrix (int index) const

QMatrix4x4	currentModelViewMatrix () const

QMatrix4x4	currentCombinedMatrix (int index) const

qreal	currentOpacity () const

qreal	determinant () const

void	setDevicePixelRatio (qreal ratio)

qreal	devicePixelRatio () const

QSGRenderContext *	context () const

bool	isMirrored () const

void	renderScene () override
	Renders the scene.

void	prepareSceneInline () override

void	renderSceneInline () override

void	nodeChanged (QSGNode *node, QSGNode::DirtyState state) override
	Updates internal data structures and emits the sceneGraphChanged() signal.

QSGNodeUpdater *	nodeUpdater () const
	Returns the node updater that this renderer uses to update states in the scene graph.

void	setNodeUpdater (QSGNodeUpdater *updater)
	Sets the node updater that this renderer uses to update states in the scene graph.

QSGMaterialShader::RenderState	state (QSGMaterialShader::RenderState::DirtyStates dirty) const

virtual void	setVisualizationMode (const QByteArray &)

virtual bool	hasVisualizationModeWithContinuousUpdate () const

virtual void	releaseCachedResources ()

void	clearChangedFlag ()

QByteArray *	currentUniformData () const

QRhiResourceUpdateBatch *	currentResourceUpdateBatch () const

QRhi *	currentRhi () const

void	setRenderTarget (const QSGRenderTarget &rt)

const QSGRenderTarget &	renderTarget () const

void	setRenderPassRecordingCallbacks (QSGRenderContext::RenderPassCallback start, QSGRenderContext::RenderPassCallback end, void *userData)

Public Member Functions inherited from QSGAbstractRenderer
	~QSGAbstractRenderer () override

void	setRootNode (QSGRootNode *node)
	Sets the node as the root of the QSGNode scene that you want to render.

QSGRootNode *	rootNode () const
	Returns the root of the QSGNode scene.

void	setDeviceRect (const QRect &rect)
	Sets rect as the geometry of the surface being rendered to.

void	setDeviceRect (const QSize &size)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Sets the size of the surface being rendered to.

QRect	deviceRect () const
	Returns the device rect of the surface being rendered to.

void	setViewportRect (const QRect &rect)
	Sets rect as the geometry of the viewport to render on the surface.

void	setViewportRect (const QSize &size)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Sets the size of the viewport to render on the surface.

QRect	viewportRect () const
	Returns the rect of the viewport to render.

void	setProjectionMatrixToRect (const QRectF &rect)
	Convenience method that calls setProjectionMatrix() with an orthographic matrix generated from rect.

void	setProjectionMatrixToRect (const QRectF &rect, MatrixTransformFlags flags)
	Convenience method that calls setProjectionMatrix() with an orthographic matrix generated from rect.

void	setProjectionMatrixToRect (const QRectF &rect, MatrixTransformFlags flags, bool nativeNDCFlipY)
	Convenience method that calls setProjectionMatrix() with an orthographic matrix generated from rect.

void	setProjectionMatrix (const QMatrix4x4 &matrix, int index=0)
	Use matrix to project the QSGNode coordinates onto surface pixels.

void	setProjectionMatrixWithNativeNDC (const QMatrix4x4 &matrix, int index=0)

QMatrix4x4	projectionMatrix (int index) const
	Returns the projection matrix.

QMatrix4x4	projectionMatrixWithNativeNDC (int index) const

int	projectionMatrixCount () const

int	projectionMatrixWithNativeNDCCount () const

void	setClearColor (const QColor &color)
	Sets the color to clear the framebuffer.

QColor	clearColor () const
	Returns the color that clears the framebuffer at the beginning of the rendering.

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 Types inherited from QSGAbstractRenderer
enum	MatrixTransformFlag { MatrixTransformFlipY = 0x01 }
	Used with setProjectionMatrixToRect() to indicate the expectations towards the generated projection matrix. More...

Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe

Signals inherited from QSGAbstractRenderer
void	sceneGraphChanged ()
	This signal is emitted on the first modification of a node in the tree after the last scene render.

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 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 QSGRenderer
virtual void	prepareInline ()

virtual void	renderInline ()

virtual void	preprocess ()

void	addNodesToPreprocess (QSGNode *node)

void	removeNodesToPreprocess (QSGNode *node)

Protected Member Functions inherited from QSGAbstractRenderer
	QSGAbstractRenderer (QObject *parent=nullptr)

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)

Protected Attributes inherited from QSGRenderer
QVarLengthArray< QMatrix4x4, 1 >	m_current_projection_matrix

QVarLengthArray< QMatrix4x4, 1 >	m_current_projection_matrix_native_ndc

QMatrix4x4	m_current_model_view_matrix

qreal	m_current_opacity

qreal	m_current_determinant

qreal	m_device_pixel_ratio

QSGRenderContext *	m_context

QByteArray *	m_current_uniform_data

QRhiResourceUpdateBatch *	m_current_resource_update_batch

QRhi *	m_rhi

QSGRenderTarget	m_rt

struct {

QSGRenderContext::RenderPassCallback start = nullptr

QSGRenderContext::RenderPassCallback end = nullptr

void * userData = nullptr

}	m_renderPassRecordingCallbacks

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
template< class T > T	qobject_cast (const QObject *object)
	Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.

template< typename T > T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

template< typename T > QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

	QObjectList
	\macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 11 of file qsgopenvgrenderer_p.h.

Constructor & Destructor Documentation

◆ QSGOpenVGRenderer()

QT_BEGIN_NAMESPACE QSGOpenVGRenderer::QSGOpenVGRenderer ( QSGRenderContext * context )

Definition at line 16 of file qsgopenvgrenderer.cpp.

◆ ~QSGOpenVGRenderer()

QSGOpenVGRenderer::~QSGOpenVGRenderer ( )

virtual

Definition at line 22 of file qsgopenvgrenderer.cpp.

Member Function Documentation

◆ nodeChanged()

void QSGOpenVGRenderer::nodeChanged	(	QSGNode *	node,
		QSGNode::DirtyState	state )

overridevirtual

Implements QSGAbstractRenderer.

Definition at line 38 of file qsgopenvgrenderer.cpp.

References QSGRenderer::nodeChanged(), and state.

Here is the call graph for this function:

◆ render()

void QSGOpenVGRenderer::render ( )

finalvirtual

Implements QSGRenderer.

Definition at line 27 of file qsgopenvgrenderer.cpp.

References QSGAbstractRenderer::clearColor(), QSGOpenVGHelpers::qColorToVGColor(), QSGAbstractRenderer::rootNode(), and QSGNodeVisitorEx::visitChildren().