A virtual method for the #hb_paint_funcs_t to use an intermediate surface for subsequent paint calls.
The drawing will be redirected to an intermediate surface until a matching call to the #hb_paint_funcs_pop_group_func_t vfunc.
A virtual method for the #hb_paint_funcs_t to use an intermediate surface for subsequent paint calls.
The drawing will be redirected to an intermediate surface until a matching call to the #hb_paint_funcs_pop_group_func_t vfunc.