fn make_color_index_of(red: u8, green: u8, blue: u8) -> usize {
    (   ((red as i32) << (2 * SIGNAL_BITS))
      + ((green as i32) << SIGNAL_BITS)
      +   blue as i32
    ) as usize
}
/// Get reduced-space color index for a pixel.
Get reduced-space color index for a pixel.
Get reduced - space color index for a pixel .
fn make_color_index_of(red: u8, green: u8, blue: u8) -> usize {
    (   ((red as i32) << (2 * SIGNAL_BITS))
      + ((green as i32) << SIGNAL_BITS)
      +   blue as i32
    ) as usize
}
fn make_color_index_of ( red : u8 , green : u8 , blue : u8 ) -> usize { ( ( ( red as i32 ) << ( 2 * SIGNAL_BITS ) ) + ( ( green as i32 ) << SIGNAL_BITS ) + blue as i32 ) as usize }
Get reduced-space color index for a pixel.
Get reduced - space color index for a pixel .
red
u8
green
u8
blue
u8
red
u8
green
u8
blue
u8