feat: added oxipng encoder

Cargo.toml

@@ -19,10 +19,10 @@ codegen-units = 1
 opt-level = "z"
 
 [features]
-default = ["resize", "quantization", "mozjpeg", "threads"]
+default = ["resize", "quantization", "mozjpeg", "oxipng", "threads"]
 
 # Enables utilization of threads
-threads = ["imagequant?/threads", "mozjpeg?/parallel"]
+threads = ["imagequant?/threads", "mozjpeg?/parallel", "oxipng?/parallel"]
 
 # Enables resize operation
 resize = ["dep:fast_image_resize"]
@@ -31,12 +31,15 @@ quantization = ["dep:imagequant", "dep:rgb"]
 
 # Enables mozjpeg codec
 mozjpeg = ["dep:mozjpeg"]
+# Enables oxipng codec
+oxipng = ["dep:oxipng"]
 
 [dependencies]
 zune-core = "0.4.12"
+log = "0.4.21"
 zune-image = { version = "0.4.15", default-features = false }
 fast_image_resize = { version = "3.0.4", optional = true }
 imagequant = { version = "4.3.0", default-features = false, optional = true }
 rgb = { version = "0.8.37", optional = true }
 mozjpeg = { version = "0.10.7", default-features = false, features = ["with_simd"], optional = true }
-log = "0.4.21"
+oxipng = { version = "9.0", default-features = false, features = ["zopfli", "filetime"], optional = true }

src/codecs/mod.rs

@@ -1,2 +1,4 @@
 #[cfg(feature = "mozjpeg")]
 pub mod mozjpeg;
+#[cfg(feature = "oxipng")]
+pub mod oxipng;