LCh, bugfixes

Cargo.toml

@@ -2,7 +2,7 @@ workspace = { members = ["src/app"] }
 
 [package]
 name = "colorutils-rs"
-version = "0.4.7"
+version = "0.4.8"
 edition = "2021"
 description = "High performance utilities for color format handling and conversion."
 readme = "README.md"

src/app/src/main.rs

@@ -23,7 +23,7 @@ fn main() {
     println!("HSL {:?}", hsl);
     println!("Back RGB {:?}", hsl.to_rgb8());
 
-    let img = ImageReader::open("./assets/asset.jpg")
+    let img = ImageReader::open("./assets/beach_horizon.jpg")
         .unwrap()
         .decode()
         .unwrap();
@@ -58,13 +58,14 @@ fn main() {
         lab_store.resize(width as usize * components * height as usize, 0f32);
         let src_stride = width * components as u32;
         let start_time = Instant::now();
-        rgb_to_lch(
+        rgb_to_linear(
             src_bytes,
             src_stride,
             &mut lab_store,
             store_stride as u32,
             width,
             height,
+            TransferFunction::Srgb,
         );
         let elapsed_time = start_time.elapsed();
         // Print the elapsed time in milliseconds
@@ -92,13 +93,14 @@ fn main() {
         // }
 
         let start_time = Instant::now();
-        lch_to_rgb(
+        linear_to_rgb(
             &lab_store,
             store_stride as u32,
             &mut dst_slice,
             src_stride,
             width,
             height,
+            TransferFunction::Srgb,
         );
 
         let elapsed_time = start_time.elapsed();

src/linear_to_image.rs

@@ -153,13 +153,13 @@ fn linear_to_gamma_channels<const CHANNELS_CONFIGURATION: u8, const USE_ALPHA: b
             );
 
             let dst = unsafe { dst_ptr.add(px) };
+            let transferred = rgb.apply(transfer);
+            let rgb8 = transferred.to_u8();
 
             unsafe {
-                dst.write_unaligned((transfer(rgb.r).round() * 255f32) as u8);
-                dst.add(1)
-                    .write_unaligned((transfer(rgb.g).round() * 255f32) as u8);
-                dst.add(2)
-                    .write_unaligned((transfer(rgb.b).round() * 255f32) as u8);
+                dst.write_unaligned(rgb8.r);
+                dst.add(1).write_unaligned(rgb8.g);
+                dst.add(2).write_unaligned(rgb8.b);
             }
 
             if USE_ALPHA && image_configuration.has_alpha() {