affine_bg_horizontal_scale_manager class
          #include <bn_affine_bg_actions.h>
        
        Manages the horizontal scale of an affine_
Public static functions
- 
              static auto get(const affine_bg_ ptr& bg) -> fixed 
- Returns the horizontal scale of the given affine_bg_ ptr. 
- 
              static void set(fixed horizontal_scale,
              affine_bg_ ptr& bg) 
- Sets the horizontal scale of the given affine_bg_ ptr.