_bits _changeCount _clear _clearCachedData _copy _draw _equals _extent _flagCanAddVertex _flagCanSelLocked _flagClosed _flagFixedLength _flagFixedSize _flagHide _flagNoAction _flagNoClone _flagNoDel _flagNoSnap _flagNotAddRel _flagNotShowSnap _flagRotateDisnable _flags _flagShapeLocked _flagSquare _getExtent _getHandleCount _getHandlePoint _getHandleType _hitTestBox _isClosed _isHandleFixed _isKindOf _load _offset _rotateHandlePoint _save _setHandlePoint _setHandlePoint2 _transform _update addRef afterChanged clear clearCachedData cloneShape copy draw draw2 equals getChangeCount getExtent getFlag getHandleCount getHandlePoint getHandleType getPath getPoint getPointCount getPoints getSubType hitTest hitTest2 hitTest2 hitTestBox isClosed isCurve isHandleFixed isKindOf isLocked isVisible linesHit load MgBaseShape minTol offset output resetChangeCount save setExtent setFlag setHandlePoint setHandlePoint2 setOwner setPoint toHandle transform Type update ~MgBaseShape

hitTest() virtual float MgBaseShape::hitTest ( const Point2d &  pt, float  tol, MgHitResult &  res  ) const pure virtual 选中点击测试 参数 [in] pt 外部点的模型坐标，将判断此点能否点中图形 [in] tol 距离公差，正数，超出则不计算最近点 [in,out] res 选中点击测试的结果 返回 给定的外部点到最近点的距离，失败则为很大的数 在 MgRecordShape 内被实现. 这是这个函数的调用关系图: