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

公共函数

QRenderCapture (Qt3DCore::QNode * parent = nullptr)
Qt3DRender::QRenderCaptureReply * requestCapture ()

额外继承成员

详细描述

Frame graph node for render capture

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.