copy displayToModel displayToModel displayToWorld enableZoom getCenterW getDpiX getDpiY getHeight getMaxViewScale getMinViewScale getViewScale getWidth getWndRect getWndRectM getWndRectW getWorldLimits getWorldToDisplayX getWorldToDisplayY getZoomTimes getZoomValue GiTransform GiTransform m_impl modelToDisplay modelToWorld setModelTransform setResolution setViewScaleRange setWndSize setWorldLimits worldToDisplay worldToModel zoom zoomByFactor zoomPan zoomScale zoomTo zoomTo zoomWnd ~GiTransform

getWndRectW() Box2d GiTransform::getWndRectW ( ) const 返回显示窗口的世界坐标范围 这是这个函数的调用关系图: