1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
//! <https://pngquant.org/lib/>
fn main() {
// Image loading/saving is outside scope of this library
let width = 10;
let height = 10;
let fakebitmap = vec![imagequant::RGBA {r:100, g:200, b:250, a:255}; width * height];
// Configure the library
let mut liq = imagequant::new();
liq.set_speed(5).unwrap();
liq.set_quality(70, 99).unwrap();
// Describe the bitmap
let mut img = liq.new_image(&fakebitmap[..], width, height, 0.0).unwrap();
// The magic happens in quantize()
let mut res = match liq.quantize(&mut img) {
Ok(res) => res,
Err(err) => panic!("Quantization failed, because: {err:?}"),
};
// Enable dithering for subsequent remappings
res.set_dithering_level(1.0).unwrap();
// You can reuse the result to generate several images with the same palette
let (palette, pixels) = res.remapped(&mut img).unwrap();
println!(
"Done! Got palette {palette:?} and {} pixels with {}% quality",
pixels.len(),
res.quantization_quality().unwrap()
);
}
|
