get image function

qglview.h

@@ -173,6 +173,9 @@ public:
 	void setCurrentAction(RendererService::HandleAction ha) {renderer_.rend_service.setCurrentAction(ha);}
 	void setContextActions(QList<QAction*> al) {context_menu.clear(); context_menu.addActions(al);}
 	void popupMenu(const QPoint &pos, QAction *at = nullptr) {context_menu.popup(pos, at);}
+	void setGrabImage(bool on) {renderer_.setGrabImage(on);}
+	bool isGrabImage() const {return renderer_.isGrabImage();}
+	QImage getImage() const {return renderer_.getImage();}
 
 	GLfloat aspect, iaspect;
 	Renderer renderer_;