pub fn premultiply(&mut self) {
        unsafe {
            ffi::cogl_color_premultiply(self.to_glib_none_mut().0);
        }
    }
/// Converts a non-premultiplied color to a pre-multiplied color. For
/// example, semi-transparent red is (1.0, 0, 0, 0.5) when non-premultiplied
/// and (0.5, 0, 0, 0.5) when premultiplied.
Converts a non-premultiplied color to a pre-multiplied color.
Converts a non - premultiplied color to a pre - multiplied color .
pub fn premultiply(&mut self) {
        unsafe {
            ffi::cogl_color_premultiply(self.to_glib_none_mut().0);
        }
    }
pub fn premultiply ( & mut self ) { unsafe { ffi :: cogl_color_premultiply ( self . to_glib_none_mut ( ) . 0 ) ; } }
Converts a non-premultiplied color to a pre-multiplied color.
Converts a non - premultiplied color to a pre - multiplied color .
&mut self
&mut self