dctfilename binary in base64

src/bin/dctfilename.rs

@@ -0,0 +1,36 @@
+use image_similarity::descriptors::{Descriptor, DCT};
+use std::env;
+use base64::{engine::general_purpose::URL_SAFE_NO_PAD, Engine as _};
+
+struct Cfg {
+    path: String
+}
+
+impl Cfg{
+    fn load(args: &[String]) -> Result<Cfg, &'static str> {
+        if args.len() < 2 {
+            return Err("Filename argument required");
+        }
+        let path = args[1].clone();
+        Ok(Cfg { path })
+    }
+}
+
+fn main() {
+    //Init all descriptors:
+    let desc = DCT;
+
+    let args: Vec<String> = env::args().collect();
+    //dbg!(args);
+
+    let cfg = Cfg::load(&args)
+        .expect("Error loading config");
+
+    let img = image::open(cfg.path)
+        .expect("Unable to open file");
+    let phash: u64 = desc.describe(img);
+    println!("{phash}\n{phash:b}");
+    let output = URL_SAFE_NO_PAD.encode(phash.to_be_bytes());
+    println!("{output}")
+
+}