Method set_max_colors

src/attr.rs:88–94

(&mut self, colors: u32)

    /// It's better to use `set_quality()`
    #[inline]
    pub fn set_max_colors(&mut self, colors: u32) -> Result<(), Error> {
        if !(2..=256).contains(&colors) {
            return Err(Error::ValueOutOfRange);
        }
        self.max_colors = colors as PalLen;
        Ok(())
    }

    /// Range 0-100, roughly like JPEG.
    ///