Added optimize from memory

src/lib.rs

@@ -117,3 +117,4 @@ pub use decoder::Decoder;
 pub use encoder::Encoder;
 pub use memory_decoder::MemoryDecoder;
 pub use optimize::optimize;
+pub use optimize::optimize_from_memory;

src/optimize.rs

@@ -2,7 +2,7 @@ use std::{error::Error, fs, path};
 
 use log::info;
 
-use crate::{Config, Decoder, Encoder};
+use crate::{image::InputFormat, Config, Decoder, Encoder, MemoryDecoder};
 
 /// Optimizes one image with provided config
 pub fn optimize(image_path: &path::Path, config: &Config) -> Result<Vec<u8>, Box<dyn Error>> {
@@ -15,3 +15,15 @@ pub fn optimize(image_path: &path::Path, config: &Config) -> Result<Vec<u8>, Box
 
     Ok(e.encode()?)
 }
+
+/// Optimizes one image from memory with provided config
+pub fn optimize_from_memory(
+    data: &[u8],
+    input_format: InputFormat,
+    config: &Config,
+) -> Result<Vec<u8>, Box<dyn Error>> {
+    let d = MemoryDecoder::new(data, input_format);
+    let e = Encoder::new(config, d.decode()?);
+
+    Ok(e.encode()?)
+}