_recorder acquireFrontDoc acquireFrontShapes addPlaying backDoc drawing fromHandle getPlayingCount GiCoreViewData play playings recorder removePlaying setRecorder startPauseTick submitBackXform ~GiCoreViewData

submitBackXform() virtual void GiCoreViewData::submitBackXform ( ) pure virtual 应用后端坐标系对象到前端 在 GiCoreViewImpl 内被实现.