Trait buffer_graphics_lib::Tint 
source · pub trait Tint {
    // Required methods
    fn tint_add(
        &mut self,
        r_diff: isize,
        g_diff: isize,
        b_diff: isize,
        a_diff: isize
    );
    fn tint_mul(&mut self, r_diff: f32, g_diff: f32, b_diff: f32, a_diff: f32);
}