Rust Test

test.rs

fn to_rgb(r: f32, g: f32, b: f32) {
    let r0: f32 = r * 255.0;
    let g0: f32 = g * 255.0;
    let b0: f32 = b * 255.0;

    let r1: f32 = r0.round();
    let g1: f32 = g0.round();
    let b1: f32 = b0.round();

    println!("Original RGB values before Cairo: ({}, {}, {})", r1, g1, b1);
}

fn to_cairo(r: i32, g: i32, b: i32) {
    let r0 = r as f32;
    let g0 = g as f32;
    let b0 = b as f32;

    let r1 = r0 / 255.0;
    let g1 = g0 / 255.0;
    let b1 = b0 / 255.0;
    
    let r3 = r1.;
    let g3 = g1;
    let b3 = b1;

    println!("cairo_set_source_rgb ({}, {}, {});", r3, g3, b3);
}


fn main() {
    to_rgb(0.25, 0.50, 0.75);
    to_cairo(25, 50, 75);
}