内容

• 公共函数
• 静态公共成员
• 详细描述

QRenderCapture Class

( Qt3DRender::QRenderCapture )

Frame graph node for render capture. 更多...

头：	#include <Qt3DRender/QRenderCapture>
qmake:	QT += 3drender
Since:	Qt 5.8
实例化：	RenderCapture
继承：	Qt3DRender::QFrameGraphNode

• 所有成员列表，包括继承成员
• 过时成员

公共函数

	QRenderCapture (Qt3DCore::QNode * parent = nullptr)
Qt3DRender::QRenderCaptureReply *	requestCapture ()
Qt3DRender::QRenderCaptureReply *	requestCapture (const QRect & rect )

• 1 公共函数继承自 Qt3DRender::QFrameGraphNode
• 13 公共函数继承自 Qt3DCore::QNode
• 31 公共函数继承自 QObject

静态公共成员

const QMetaObject

staticMetaObject

• 9 静态公共成员继承自 QObject

额外继承成员

• 3 特性继承自 Qt3DCore::QNode
• 1 特性继承自 QObject
• 3 公共槽继承自 Qt3DCore::QNode
• 1 公共槽继承自 QObject
• 4 信号继承自 Qt3DCore::QNode
• 2 信号继承自 QObject
• 1 保护函数继承自 Qt3DRender::QFrameGraphNode
• 2 保护函数继承自 Qt3DCore::QNode
• 9 保护函数继承自 QObject

详细描述

Frame graph node for render capture.

The QRenderCapture is used to capture rendering into an image at any render stage. Capturing must be initiated by the user and one image is returned per capture request. User can issue multiple render capture requests simultaniously, but only one request is served per QRenderCapture instance per frame.

成员函数文档编制

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

The constructor creates an instance with the specified parent .

Qt3DRender::QRenderCaptureReply *QRenderCapture:: requestCapture ()

Used to request render capture. Only one render capture result is produced per requestCapture call even if the frame graph has multiple leaf nodes. The function returns a QRenderCaptureReply object, which receives the captured image when it is done. The user is responsible for deallocating the returned object.

注意： 此函数可以被援引，通过元对象系统和从 QML。见 Q_INVOKABLE .

Qt3DRender::QRenderCaptureReply *QRenderCapture:: requestCapture (const QRect & rect )

Used to request render capture from a specified rect . Only one render capture result is produced per requestCapture call even if the frame graph has multiple leaf nodes. The function returns a QRenderCaptureReply object, which receives the captured image when it is done. The user is responsible for deallocating the returned object.

注意： 此函数可以被援引，通过元对象系统和从 QML。见 Q_INVOKABLE .