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

getViewScale() float GiTransform::getViewScale ( ) const 返回显示比例 显示比例为1时表示100％显示，小于1时缩小显示，大于1时放大显示 这是这个函数的调用关系图: