zopfli option

Cargo.lock

@@ -89,11 +89,11 @@ checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
 [[package]]
 name = "caesiumclt"
-version = "0.19.0"
+version = "0.19.1"
 dependencies = [
  "human_bytes",
  "indicatif",
- "infer 0.11.0",
+ "infer 0.12.0",
  "libcaesium",
  "num_cpus",
  "rand",
@@ -479,9 +479,9 @@ dependencies = [
 
 [[package]]
 name = "infer"
-version = "0.11.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a6c16b11a665b26aeeb9b1d7f954cdeb034be38dd00adab4f2ae921a8fee804"
+checksum = "a898e4b7951673fce96614ce5751d13c40fc5674bc2d759288e46c3ab62598b3"
 dependencies = [
  "cfb",
 ]
@@ -531,7 +531,7 @@ checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
 [[package]]
 name = "libcaesium"
 version = "0.10.0"
-source = "git+https://github.com/Lymphatus/libcaesium?rev=eca05e2#eca05e2eb8870c873118a9e43c2e9b60f83b12b8"
+source = "git+https://github.com/Lymphatus/libcaesium?tag=0.10.1#a71a855b9eb76451f46cfb0d171da0a39c07829e"
 dependencies = [
  "bytes",
  "gifsicle",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "caesiumclt"
-version = "0.19.0"
+version = "0.19.1"
 authors = ["Matteo Paonessa <matteo.paonessa@gmail.com>"]
 edition = "2021"
 
@@ -10,8 +10,8 @@ structopt = "0.3"
 indicatif = "0.17"
 walkdir = "2.3"
 num_cpus = "1.13"
-infer = "0.11"
+infer = "0.12.0"
 rayon = "1.5"
 rand = "0.8"
 human_bytes = { version = "0.4", default-features = false }
-libcaesium = { git = "https://github.com/Lymphatus/libcaesium", rev = "eca05e2" }
+libcaesium = { git = "https://github.com/Lymphatus/libcaesium", tag = "0.10.1" }

src/logger.rs

@@ -1,5 +1,6 @@
 pub enum ErrorLevel {
     Log,
+    Notice,
     Warning,
     Error,
 }
@@ -11,6 +12,7 @@ pub fn log(message: &str, code: i32, level: ErrorLevel, verbose: u8) {
     match level {
         ErrorLevel::Error => panic!("[ERROR] {} (Code: {})", message, code),
         ErrorLevel::Warning => eprintln!("[WARNING] {} (Code: {})", message, code),
+        ErrorLevel::Notice => eprintln!("[NOTICE] {}", message),
         _ => println!("{}", message)
     };
 }

src/main.rs

@@ -10,7 +10,7 @@ use rand::{Rng, thread_rng};
 use rand::distributions::Alphanumeric;
 use rayon::prelude::*;
 
-use crate::logger::ErrorLevel::{Error, Log, Warning};
+use crate::logger::ErrorLevel::{Error, Log, Notice, Warning};
 use crate::logger::log;
 use crate::options::OverwritePolicy;
 
@@ -53,6 +53,7 @@ fn main() {
     let mut compression_parameters = caesium::initialize_parameters();
     if opt.quality == 0 {
         compression_parameters.optimize = true;
+        compression_parameters.png.force_zopfli = opt.zopfli;
     } else {
         compression_parameters.jpeg.quality = opt.quality;
         compression_parameters.png.quality = opt.quality;
@@ -72,6 +73,10 @@ fn main() {
     let overwrite_policy = opt.overwrite;
     let keep_structure = opt.keep_structure;
 
+    if opt.zopfli {
+        log("Using zopfli may take a very long time, especially with large images!", 0, Notice, verbose);
+    }
+
     let progress_bar = setup_progress_bar(files.len() as u64, verbose);
     progress_bar.set_message("Compressing...");
 

src/options.rs

@@ -63,6 +63,10 @@ pub struct Opt {
     #[structopt(long, default_value = "0")]
     pub threads: u32,
 
+    /// use zopfli when optimizing PNG files (it may take a very long time to complete)
+    #[structopt(long)]
+    pub zopfli: bool,
+
     /// select how much output you want to see, 0 is equal to -Q, --quiet
     #[structopt(long, default_value = "1")]
     pub verbose: u8,