_gsBack _gsFront _lastCenter _lastScale _mgview _view _zoomEnabled _zooming _zoomTimes checkZoomTimes cmdView copyGs deviceView draw dyndraw frontGraph GcBaseView graph isZoomEnabled isZooming onGesture onSize setZoomEnabled submitBackXform twoFingersMove xform ~GcBaseView

checkZoomTimes() void GcBaseView::checkZoomTimes ( ) 检查放缩改变与否 这是这个函数的调用关系图: