add: include ImageFormat

src/encode.rs

@@ -4,7 +4,7 @@ use std::{fs::File, io::BufWriter};
 pub fn save_image_buffer(
     path: &str,
     bytes: Vec<u8>,
-    format: image::ImageFormat,
+    format: crate::ImageFormat,
 ) -> std::io::Result<()> {
     let pre_img_buffer = match image::load_from_memory(&bytes) {
         Ok(i) => i,

src/lib.rs

@@ -1,2 +1,4 @@
 pub mod encode;
 pub mod extract;
+
+pub use image::ImageFormat;