diff --git a/src/binio.rs b/src/binio.rs
index 0e8bc89..459f1cb 100644
--- a/src/binio.rs
+++ b/src/binio.rs
@@ -99,14 +99,15 @@ impl<'a, O: Write + WriteBytesExt> BitWriter<'a, O> {
             panic!("Must write 1 or more bytes.")
         }
 
-        self.output.write_all(&data.to_le_bytes()[..byte_len]).unwrap();
+        self.output
+            .write_all(&data.to_le_bytes()[..byte_len])
+            .unwrap();
         self.byte_offset += byte_len;
 
         self.byte_size = self.byte_offset + (self.bit_offset + 7) / 8;
     }
 }
 
-
 /// A simple way to read individual bits from an input implementing [Read].
 pub struct BitReader<'a, I: Read + ReadBytesExt> {
     input: &'a mut I,
diff --git a/src/compression/dct.rs b/src/compression/dct.rs
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/src/compression/dct.rs
@@ -0,0 +1 @@
+
diff --git a/src/compression/lossless.rs b/src/compression/lossless.rs
index 5d5dfe0..29da92f 100644
--- a/src/compression/lossless.rs
+++ b/src/compression/lossless.rs
@@ -1,4 +1,7 @@
-use std::{collections::HashMap, io::{Cursor, Read, Write}};
+use std::{
+    collections::HashMap,
+    io::{Cursor, Read, Write},
+};
 
 use byteorder::{ReadBytesExt, WriteBytesExt, LE};
 
@@ -118,7 +121,7 @@ fn compress_lzw(data: &[u8], last: Vec<u8>) -> (usize, Vec<u8>, Vec<u8>) {
 
         if dictionary_count >= 0x3FFFE {
             count -= 1;
-            break
+            break;
         }
     }
 
@@ -145,10 +148,7 @@ fn compress_lzw(data: &[u8], last: Vec<u8>) -> (usize, Vec<u8>, Vec<u8>) {
     (count, output_buf, last_element)
 }
 
-pub fn decompress<T: ReadBytesExt + Read>(
-    input: &mut T,
-    chunk_info: &CompressionInfo,
-) -> Vec<u8> {
+pub fn decompress<T: ReadBytesExt + Read>(input: &mut T, chunk_info: &CompressionInfo) -> Vec<u8> {
     let mut output_buf: Vec<u8> = vec![];
 
     for block in &chunk_info.chunks {
@@ -173,7 +173,6 @@ fn decompress_lzw(input_data: &[u8], size: usize) -> Vec<u8> {
     }
     let mut dictionary_count = dictionary.len() as u64;
 
-
     let mut result = Vec::with_capacity(size);
     let data_size = input_data.len();
 
diff --git a/src/compression/mod.rs b/src/compression/mod.rs
deleted file mode 100644
index 91711ee..0000000
--- a/src/compression/mod.rs
+++ /dev/null
@@ -1 +0,0 @@
-mod lossless;
diff --git a/src/header.rs b/src/header.rs
index 09180e7..0953c49 100644
--- a/src/header.rs
+++ b/src/header.rs
@@ -1,5 +1,5 @@
-use std::io::{Cursor, Write};
 use byteorder::{WriteBytesExt, LE};
+use std::io::{Cursor, Write};
 
 pub struct Header {
     pub magic: [u8; 8],
diff --git a/src/main.rs b/src/main.rs
index f9d9e19..322841e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,23 +1,24 @@
 mod compression {
+    pub mod dct;
     pub mod lossless;
 }
+mod binio;
 mod header;
 mod operations;
-mod binio;
 mod picture;
 
-use std::{fs::File, io::{BufReader, BufWriter}, time::Instant};
 use picture::DangoPicture;
+use std::{
+    fs::File,
+    io::{BufReader, BufWriter},
+    time::Instant,
+};
 
 use image::RgbaImage;
 
 fn main() {
     let image_data = image::open("littlespace.png").unwrap().to_rgba8();
-    let encoded_dpf = DangoPicture::from_raw(
-        image_data.width(),
-        image_data.height(),
-        &image_data
-    );
+    let encoded_dpf = DangoPicture::from_raw(image_data.width(), image_data.height(), &image_data);
 
     let timer = Instant::now();
     let mut outfile = BufWriter::new(File::create("test.dpf").unwrap());
@@ -32,7 +33,8 @@ fn main() {
     let out_image = RgbaImage::from_raw(
         decoded_dpf.header.width,
         decoded_dpf.header.height,
-        decoded_dpf.bitmap.into()
-    ).unwrap();
+        decoded_dpf.bitmap.into(),
+    )
+    .unwrap();
     out_image.save("test.png").unwrap();
 }
diff --git a/src/picture.rs b/src/picture.rs
index bd40bb6..2624aa5 100644
--- a/src/picture.rs
+++ b/src/picture.rs
@@ -6,7 +6,7 @@ use thiserror::Error;
 use crate::{
     compression::lossless::{compress, decompress, ChunkInfo, CompressionInfo},
     header::Header,
-    operations::{diff_line, line_diff}
+    operations::{diff_line, line_diff},
 };
 
 pub struct DangoPicture {
@@ -45,7 +45,7 @@ impl DangoPicture {
         input.read_exact(&mut magic).unwrap();
 
         if magic != *b"dangoimg" {
-            return Err(Error::InvalidIdentifier(magic))
+            return Err(Error::InvalidIdentifier(magic));
         }
 
         let header = Header {
@@ -70,10 +70,7 @@ impl DangoPicture {
 
         let bitmap = line_diff(header.width, header.height, &preprocessed_bitmap);
 
-        Ok(DangoPicture {
-            header,
-            bitmap
-        })
+        Ok(DangoPicture { header, bitmap })
     }
 
     pub fn from_raw(width: u32, height: u32, bitmap: &[u8]) -> Self {