CWindowMaskSmoothButton *mask_pnt_linear, *mask_pnt_smooth;
CWindowMaskSmoothButton *mask_crv_linear, *mask_crv_smooth;
CWindowMaskSmoothButton *mask_all_linear, *mask_all_smooth;
CWindowMaskSmoothButton *mask_pnt_linear, *mask_pnt_smooth;
CWindowMaskSmoothButton *mask_crv_linear, *mask_crv_smooth;
CWindowMaskSmoothButton *mask_all_linear, *mask_all_smooth;