内容

• 特性
• 公共函数
• 公共槽
• 信号
• 保护函数
• 详细描述

QViewport Class

( Qt3DRender::QViewport )

A viewport on the Qt3D Scene 更多...

头：	#include <QViewport>
qmake:	QT += 3drender
Since:	Qt 5.7
实例化：	Viewport
继承：	Qt3DRender::QFrameGraphNode

• 所有成员列表，包括继承成员

特性

• gamma : float
• normalizedRect : QRectF

• 3 特性继承自 Qt3DCore::QNode
• 1 特性继承自 QObject

公共函数

	QViewport (Qt3DCore::QNode * parent = nullptr)
float	gamma () const
QRectF	normalizedRect () const

• 1 公共函数继承自 Qt3DRender::QFrameGraphNode
• 11 public functions inherited from Qt3DCore::QNode
• 32 公共函数继承自 QObject

公共槽

void	setGamma (float gamma )
void	setNormalizedRect (const QRectF & normalizedRect )

• 3 公共槽继承自 Qt3DCore::QNode
• 1 公共槽继承自 QObject

信号

void	gammaChanged (float gamma )
void	normalizedRectChanged (const QRectF & normalizedRect )

• 4 信号继承自 Qt3DCore::QNode
• 2 信号继承自 QObject

保护函数

QViewport (QViewportPrivate & dd , Qt3DCore::QNode * parent = nullptr)

• 1 保护函数继承自 Qt3DRender::QFrameGraphNode
• 2 protected functions inherited from Qt3DCore::QNode
• 9 保护函数继承自 QObject

额外继承成员

• 11 静态公共成员继承自 QObject

详细描述

A viewport on the Qt3D Scene

Qt3DRender::QViewport of the scene specifies at which portion of the render surface Qt3D is rendering to. Area outside the viewport is left untouched. It also controls global parameters to the rendering in that viewport like gamma.

特性文档编制

gamma : float

Specifies the gamma factor for the viewport. The default is 2.2 which should give proper result on most screens.

访问函数：

float	gamma () const
void	setGamma (float gamma )

通知程序信号：

void	gammaChanged (float gamma )

normalizedRect : QRectF

Specifies the normalised rectangle for the viewport, i.e. the viewport rectangle is specified relative to the render surface size. Whole surface sized viewport is specified as [0.0, 0.0, 1.0, 1.0], which is the default.

访问函数：

QRectF	normalizedRect () const
void	setNormalizedRect (const QRectF & normalizedRect )

通知程序信号：

void	normalizedRectChanged (const QRectF & normalizedRect )

成员函数文档编制

QViewport:: QViewport ( Qt3DCore::QNode * parent = nullptr)

Default constructs an instance of QViewport.

[protected] QViewport:: QViewport ( QViewportPrivate & dd , Qt3DCore::QNode * parent = nullptr)

Copy constructor.