CloverBootloader/CloverApp/Clover/ThemeManager/libimagequant/rust-api/examples/basic.rs

// Don't forget to add -L . (or whatever dir has .rlib) to rustc!

fn main() {
    // Image loading/saving is outside scope of this library
    let width = 10usize;
    let height = 10usize;
    let fakebitmap = vec![255u8; 4 * width * height];

    // http://pngquant.org/lib/

    // Configure the library
    let mut liq = imagequant::new();
    liq.set_speed(5);
    liq.set_quality(70, 99);

    // Describe the bitmap
    let ref mut img = liq.new_image(&fakebitmap[..], width, height, 0.0).unwrap();

    // The magic happens in quantize()
    let mut res = match liq.quantize(img) {
        Ok(res) => res,
        Err(err) => panic!("Quantization failed, because: {:?}", err),
    };

    // Enable dithering for subsequent remappings
    res.set_dithering_level(1.0);

    // You can reuse the result to generate several images with the same palette
    let (palette, pixels) = res.remapped(img).unwrap();

    println!("Done! Got palette {:?} and {} pixels with {}% quality", palette, pixels.len(), res.quantization_quality());
}