initial commit

.gitignore

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+/target

Cargo.toml

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+[package]
+name = "ipng"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+image = "0.25.4"
+libax = { path = "../libax" }

src/main.rs

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+use std::fs::File;
+use std::io::{prelude::*, BufReader};
+use std::net::Ipv4Addr;
+
+use libax::net::Tou32;
+
+fn main() {
+    let file = File::open("ips.lst").expect("Failed to open file");
+    let reader = BufReader::new(file);
+
+    let mut ips: Vec<[u8; 4]> = vec![];
+    for line in reader.lines() {
+        println!("{:?}", line);
+        if let Ok(line) = line {
+            if let Ok(ip) = line.parse::<Ipv4Addr>() {
+                ips.push(ip.to_u32().to_le_bytes());
+            }
+        }
+    }
+    let sidelength = (ips.len() as f64).sqrt() as u32;
+    let mut imgbuf = image::ImageBuffer::new(sidelength, sidelength);
+    let mut pixnum = 0;
+    for (_x, _y, pixel) in imgbuf.enumerate_pixels_mut() {
+        let mut ipdat: [u8; 4] = ips.get(pixnum).unwrap_or(&[0; 4]).to_owned();
+        ipdat.reverse();
+        *pixel = image::Rgba(ipdat);
+        pixnum = pixnum + 1;
+    }
+    println!("{:?}", ips);
+    imgbuf.save("ips.png").unwrap();
+}