pub fn device_pixel_ratio(&self) -> f32 {
        let (obj_data, funcs) = self.get_gui_application_obj_funcs();
        unsafe {
            let ret_val = ((*funcs).device_pixel_ratio)(obj_data);
            ret_val
        }
    }
///
/// Returns the highest screen device pixel ratio found on
/// the system. This is the ratio between physical pixels and
/// device-independent pixels.
///
/// Use this function only when you don't know which window you are targeting.
/// If you do know the target window, use QWindow::devicePixelRatio() instead.
///
/// **See also:** [`Window::device_pixel_ratio`]
Returns the highest screen device pixel ratio found on
the system. This is the ratio between physical pixels and
device-independent pixels.

Use this function only when you don't know which window you are targeting.
If you do know the target window, use QWindow::devicePixelRatio() instead.


Returns the highest screen device pixel ratio found on the system . This is the ratio between physical pixels and device - independent pixels . Use this function only when you don ' t know which window you are targeting . If you do know the target window use QWindow :: devicePixelRatio () instead .
pub fn device_pixel_ratio(&self) -> f32 {
        let (obj_data, funcs) = self.get_gui_application_obj_funcs();
        unsafe {
            let ret_val = ((*funcs).device_pixel_ratio)(obj_data);
            ret_val
        }
    }
pub fn device_pixel_ratio ( & self ) -> f32 { let ( obj_data , funcs ) = self . get_gui_application_obj_funcs ( ) ; unsafe { let ret_val = ( ( * funcs ) . device_pixel_ratio ) ( obj_data ) ; ret_val } }
Returns the highest screen device pixel ratio found on
the system.
Returns the highest screen device pixel ratio found on the system .
&self
&self