From 2adec543abae683df31a2d670e78b1e0c8284f04 Mon Sep 17 00:00:00 2001
From: Matteo Paonessa <matteo.paonessa@gmail.com>
Date: Wed, 13 Apr 2022 20:53:36 +0200
Subject: [PATCH] Fix grayscale bug

---
 Cargo.toml  | 12 ++++++------
 src/jpeg.rs |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 0c99857..be383ad 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "libcaesium"
-version = "0.8.0"
+version = "0.8.1"
 authors = ["Matteo Paonessa <matteo.paonessa@gmail.com>"]
 edition = "2021"
 categories = ["multimedia::images"]
@@ -24,13 +24,13 @@ license = "Apache-2.0"
 [dependencies]
 mozjpeg-sys = "1.0.1"
 oxipng = "5.0.1"
-libc = "0.2.119"
+libc = "0.2"
 gifsicle = "1.92.5"
-webp = "0.2.1"
-infer = "0.7.0"
+webp = "0.2"
+infer = "0.7"
 image = { version = "0.24", default-features = false, features = ["jpeg", "png", "webp", "gif"] }
-img-parts = "0.2.3"
-bytes = "1.1.0"
+img-parts = "0.2"
+bytes = "1.1"
 
 [dev-dependencies]
 dssim = "3.2.0"
diff --git a/src/jpeg.rs b/src/jpeg.rs
index 8e0c552..ef7dbaa 100644
--- a/src/jpeg.rs
+++ b/src/jpeg.rs
@@ -134,7 +134,7 @@ unsafe fn lossy(in_file: Vec<u8>, parameters: CSParameters) -> Result<(*mut u8,
     dst_info.image_width = width;
     dst_info.image_height = height;
     dst_info.in_color_space = color_space;
-    dst_info.input_components = 3;
+    dst_info.input_components = if color_space == J_COLOR_SPACE::JCS_GRAYSCALE { 1 } else { 3 };
     jpeg_set_defaults(&mut dst_info);
 
     let row_stride = dst_info.image_width as usize * dst_info.input_components as usize;