dctfilename binary in base64

Cargo.lock

@@ -14,6 +14,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
 [[package]]
 name = "bit_field"
 version = "0.10.1"
@@ -234,6 +240,7 @@ dependencies = [
 name = "image_similarity"
 version = "0.1.0"
 dependencies = [
+ "base64",
  "image",
  "rmp-serde",
  "serde",

Cargo.toml

@@ -9,3 +9,4 @@ edition = "2021"
 image = "0.24.4"
 serde = "1.0.147"
 rmp-serde = "1.1.1"
+base64 = "0.22.1"

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}")
+
+}