gsichtl 0.4.0

Deterministic pixel-art avatars from any seed: monsters, nerdy faces, crests, badges, realms and retro sprites
Documentation 
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
35
36
37
38
39
40

//! Writes sample faces, crests, badges, realms and retro sprites as PNG files.
//!
//! `cargo run --example render --features png -- <out-dir> [count]`

use std::path::PathBuf;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let mut args = std::env::args().skip(1);
    let Some(dir) = args.next().map(PathBuf::from) else {
        eprintln!("usage: render <out-dir> [count=32]");
        std::process::exit(2);
    };
    let count: u32 = match args.next() {
        Some(count) => count.parse()?,
        None => 32,
    };
    std::fs::create_dir_all(&dir)?;
    for n in 0..count {
        let face = gsichtl::face(format!("user-{n}").as_bytes());
        std::fs::write(dir.join(format!("face-{n:02}.png")), face.to_png(16, 8)?)?;
        let crest = gsichtl::crest(format!("community-{n}").as_bytes());
        // 18 px cells and a 14 px margin: 208 px, as large as a badge, so both fit one sheet.
        std::fs::write(dir.join(format!("crest-{n:02}.png")), crest.to_png(18, 14)?)?;
        let badge = gsichtl::badge(format!("community-{n}").as_bytes());
        std::fs::write(dir.join(format!("badge-{n:02}.png")), badge.to_png(16, 8)?)?;
        let realm = gsichtl::realm(format!("community-{n}").as_bytes());
        // 10 px cells and a 4 px margin: 208 px like a badge, on a transparent background.
        std::fs::write(
            dir.join(format!("realm-{n:02}.png")),
            realm.to_png_transparent(10, 4)?,
        )?;
        let retro = gsichtl::retro(format!("community-{n}").as_bytes());
        // Like a realm: 208 px, on a transparent background.
        std::fs::write(
            dir.join(format!("retro-{n:02}.png")),
            retro.to_png_transparent(10, 4)?,
        )?;
    }
    Ok(())
}