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· Page d'accueil · Toutes les classes · Classes principales · Annotées · Classes groupées · Modules · Fonctions ·

QGLSubsurface Class

The QGLSubsurface class represents a sub-surface of another OpenGL drawing surface. More...

 #include <QGLSubsurface>

Inherits: QGLAbstractSurface.

This class was introduced in Qt 4.8.

List of all members, including inherited members

Public Types

enum	SurfaceType { Window, FramebufferObject, PixelBuffer, Subsurface, User }

Public Functions

	QGLSubsurface()
	QGLSubsurface(QGLAbstractSurface * surface, const QRect & region)
virtual	~QGLAbstractSurface()
	~QGLSubsurface()
virtual bool	activate(QGLAbstractSurface * prevSurface = 0) = 0
virtual qreal	aspectRatio() const
QOpenGLContext *	context() const
virtual void	deactivate(QGLAbstractSurface * nextSurface = 0) = 0
QOpenGLFramebufferObject *	framebufferObject() const
virtual bool	isValid() const
QRect	region() const
void	setContext(QOpenGLContext * context)
void	setFramebufferObject(QOpenGLFramebufferObject * framebufferObject)
void	setRegion(const QRect & region)
void	setSurface(QGLAbstractSurface * surface)
void	setWindow(QWindow * window)
QGLAbstractSurface *	surface() const
int	surfaceType() const
bool	switchTo(QGLAbstractSurface * nextSurface)
virtual QRect	viewportGL() const = 0
QRect	viewportRect() const
QWindow *	window() const

Reimplemented Public Functions

virtual bool	activate(QGLAbstractSurface * prevSurface = 0)
virtual void	deactivate(QGLAbstractSurface * nextSurface = 0)
virtual bool	isValid() const
virtual QRect	viewportGL() const

Static Public Members

QGLAbstractSurface * createSurfaceForContext(QOpenGLContext * context)

Protected Functions

QGLAbstractSurface(int surfaceType)

Detailed Description

The QGLSubsurface class represents a sub-surface of another OpenGL drawing surface.

Member Function Documentation

QGLSubsurface::QGLSubsurface()

Constructs a new subsurface. This constructor should be followed by calls to setSurface() and setRegion().

QGLSubsurface::QGLSubsurface(QGLAbstractSurface * surface, const QRect & region)

Constructs a new subsurface that occupies region within surface. The region has its origin at the top-left of surface.

QGLSubsurface::~QGLSubsurface()

Destroys this subsurface.

bool QGLSubsurface::activate(QGLAbstractSurface * prevSurface = 0) `[virtual]`

Reimplemented from QGLAbstractSurface::activate().

void QGLSubsurface::deactivate(QGLAbstractSurface * nextSurface = 0) `[virtual]`

Reimplemented from QGLAbstractSurface::deactivate().

bool QGLSubsurface::isValid() const `[virtual]`

QRect QGLSubsurface::region() const

Returns the region within surface() that is occupied by this subsurface, relative to the viewportRect() of surface(). The origin is at the top-left of surface().

See also setRegion() and surface().

void QGLSubsurface::setRegion(const QRect & region)

Sets the region within surface() that is occupied by this subsurface, relative to the viewportRect() of surface(). The origin is at the top-left of surface().

See also region() and setSurface().

void QGLSubsurface::setSurface(QGLAbstractSurface * surface)

Sets the surface behind this subsurface.

See also surface() and setRegion().

QGLAbstractSurface * QGLSubsurface::surface() const

Returns the surface behind this subsurface, or null if the surface has not been set.

See also setSurface() and region().

QRect QGLSubsurface::viewportGL() const `[virtual]`

Reimplemented from QGLAbstractSurface::viewportGL().

The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation.

Documentation sources may be obtained from www.qt-project.org.

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