KLayout Manual: Main Index » Class Index » API reference - Class QGraphicsOpacityEffect

API reference - Class QGraphicsOpacityEffect

Notation used in Ruby API documentation

Description: Binding of QGraphicsOpacityEffect

Class hierarchy: QGraphicsOpacityEffect » QGraphicsEffect » QObject

• Public constructors
• Public methods
• Public static methods and constants
• Protected methods (static, non-static and constructors)
• Deprecated methods (protected, public, static, non-static and constructors)
• Detailed description

Public constructors

Public methods

Public static methods and constants

Protected methods (static, non-static and constructors)

Deprecated methods (protected, public, static, non-static and constructors)

Detailed description

void _create

Description: Ensures the C++ object is created

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

void _destroy

Description: Explicitly destroys the object

Explicitly destroys the object on C++ side if it was owned by the script interpreter. Subsequent access to this object will throw an exception. If the object is not owned by the script, this method will do nothing.

[const] bool _destroyed?

Description: Returns a value indicating whether the object was already destroyed

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

[const] bool _is_const_object?

Description: Returns a value indicating whether the reference is a const reference

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

void _manage

Description: Marks the object as managed by the script side.

After calling this method on an object, the script side will be responsible for the management of the object. This method may be called if an object is returned from a C++ function and the object is known not to be owned by any C++ instance. If necessary, the script side may delete the object if the script's reference is no longer required.

Usually it's not required to call this method. It has been introduced in version 0.24.

void _unmanage

Description: Marks the object as no longer owned by the script side.

Calling this method will make this object no longer owned by the script's memory management. Instead, the object must be managed in some other way. Usually this method may be called if it is known that some C++ object holds and manages this object. Technically speaking, this method will turn the script's reference into a weak reference. After the script engine decides to delete the reference, the object itself will still exist. If the object is not managed otherwise, memory leaks will occur.

Usually it's not required to call this method. It has been introduced in version 0.24.

[virtual,const] QRectF boundingRectFor(const QRectF sourceRect)

Description: Virtual method QRectF QGraphicsOpacityEffect::boundingRectFor(const QRectF &sourceRect)

This method can be reimplemented in a derived class.

[virtual] void childEvent(QChildEvent ptr arg1)

Description: Virtual method void QGraphicsOpacityEffect::childEvent(QChildEvent *)

This method can be reimplemented in a derived class.

void create

Description: Ensures the C++ object is created

Use of this method is deprecated. Use _create instead

[virtual] void customEvent(QEvent ptr arg1)

Description: Virtual method void QGraphicsOpacityEffect::customEvent(QEvent *)

This method can be reimplemented in a derived class.

void destroy

Description: Explicitly destroys the object

Use of this method is deprecated. Use _destroy instead

[event] void destroyed(QObject ptr arg1)

Description: Signal declaration for QGraphicsOpacityEffect::destroyed(QObject *)

You can bind a procedure to this signal.

[const] bool destroyed?

Description: Returns a value indicating whether the object was already destroyed

Use of this method is deprecated. Use _destroyed? instead

[virtual] void disconnectNotify(string signal)

Description: Virtual method void QGraphicsOpacityEffect::disconnectNotify(const char *signal)

This method can be reimplemented in a derived class.

[virtual] void draw(QPainter ptr painter)

Description: Virtual method void QGraphicsOpacityEffect::draw(QPainter *painter)

This method can be reimplemented in a derived class.

void drawSource(QPainter ptr painter)

Description: Method void QGraphicsOpacityEffect::drawSource(QPainter *painter)

This method is protected and can only be called from inside a derived class.

[event] void enabledChanged(bool enabled)

Description: Signal declaration for QGraphicsOpacityEffect::enabledChanged(bool enabled)

You can bind a procedure to this signal.

[virtual] bool event(QEvent ptr arg1)

Description: Virtual method bool QGraphicsOpacityEffect::event(QEvent *)

This method can be reimplemented in a derived class.

[virtual] bool eventFilter(QObject ptr arg1,QEvent ptr arg2)

Description: Virtual method bool QGraphicsOpacityEffect::eventFilter(QObject *, QEvent *)

This method can be reimplemented in a derived class.

[const] bool is_const_object?

Description: Returns a value indicating whether the reference is a const reference

Use of this method is deprecated. Use _is_const_object? instead

[static] new QGraphicsOpacityEffect new(QObject ptr parent = 0)

Description: Constructor QGraphicsOpacityEffect::QGraphicsOpacityEffect(QObject *parent)

This method creates an object of class QGraphicsOpacityEffect.

Python specific notes:

This method is the default initializer of the object

[const] double opacity

Description: Method double QGraphicsOpacityEffect::opacity()

Python specific notes:

The object exposes a readable attribute 'opacity'. This is the getter.

void opacity=(double opacity)

Description: Method void QGraphicsOpacityEffect::setOpacity(double opacity)

Python specific notes:

The object exposes a writable attribute 'opacity'. This is the setter.

[event] void opacityChanged(double opacity)

Description: Signal declaration for QGraphicsOpacityEffect::opacityChanged(double opacity)

You can bind a procedure to this signal.

[const] QBrush opacityMask

Description: Method QBrush QGraphicsOpacityEffect::opacityMask()

Python specific notes:

The object exposes a readable attribute 'opacityMask'. This is the getter.

void opacityMask=(const QBrush mask)

Description: Method void QGraphicsOpacityEffect::setOpacityMask(const QBrush &mask)

Python specific notes:

The object exposes a writable attribute 'opacityMask'. This is the setter.

[event] void opacityMaskChanged(const QBrush mask)

Description: Signal declaration for QGraphicsOpacityEffect::opacityMaskChanged(const QBrush &mask)

You can bind a procedure to this signal.

[const] int receivers(string signal)

Description: Method int QGraphicsOpacityEffect::receivers(const char *signal)

This method is protected and can only be called from inside a derived class.

[const] QObject ptr sender

Description: Method QObject *QGraphicsOpacityEffect::sender()

This method is protected and can only be called from inside a derived class.

void setOpacity(double opacity)

Description: Method void QGraphicsOpacityEffect::setOpacity(double opacity)

Python specific notes:

The object exposes a writable attribute 'opacity'. This is the setter.

void setOpacityMask(const QBrush mask)

Description: Method void QGraphicsOpacityEffect::setOpacityMask(const QBrush &mask)

Python specific notes:

The object exposes a writable attribute 'opacityMask'. This is the setter.

[const] QRectF sourceBoundingRect(const Qt_CoordinateSystem system = Qt::LogicalCoordinates)

Description: Method QRectF QGraphicsOpacityEffect::sourceBoundingRect(Qt::CoordinateSystem system)

This method is protected and can only be called from inside a derived class.

[virtual] void sourceChanged(const QGraphicsEffect_QFlags_ChangeFlag flags)

Description: Virtual method void QGraphicsOpacityEffect::sourceChanged(QFlags<QGraphicsEffect::ChangeFlag> flags)

This method can be reimplemented in a derived class.

[const] bool sourceIsPixmap

Description: Method bool QGraphicsOpacityEffect::sourceIsPixmap()

This method is protected and can only be called from inside a derived class.

[const] QPixmap sourcePixmap(const Qt_CoordinateSystem system = Qt::LogicalCoordinates,QPoint ptr offset = 0,const QGraphicsEffect_PixmapPadMode mode = QGraphicsEffect::PadToEffectiveBoundingRect)

Description: Method QPixmap QGraphicsOpacityEffect::sourcePixmap(Qt::CoordinateSystem system, QPoint *offset, QGraphicsEffect::PixmapPadMode mode)

This method is protected and can only be called from inside a derived class.

[static] QMetaObject staticMetaObject

Description: Obtains the static MetaObject for this class.

[virtual] void timerEvent(QTimerEvent ptr arg1)

Description: Virtual method void QGraphicsOpacityEffect::timerEvent(QTimerEvent *)

This method can be reimplemented in a derived class.

[static] string tr(string s,string c = 0)

Description: Static method QString QGraphicsOpacityEffect::tr(const char *s, const char *c)

This method is static and can be called without an instance.

[static] string tr(string s,string c,int n)

Description: Static method QString QGraphicsOpacityEffect::tr(const char *s, const char *c, int n)

This method is static and can be called without an instance.

[static] string trUtf8(string s,string c = 0)

Description: Static method QString QGraphicsOpacityEffect::trUtf8(const char *s, const char *c)

This method is static and can be called without an instance.

[static] string trUtf8(string s,string c,int n)

Description: Static method QString QGraphicsOpacityEffect::trUtf8(const char *s, const char *c, int n)

This method is static and can be called without an instance.

void updateBoundingRect

Description: Method void QGraphicsOpacityEffect::updateBoundingRect()

This method is protected and can only be called from inside a derived class.