Enforce valid image brightness in daemon and asusctl

rog-anime/src/error.rs

@@ -16,6 +16,7 @@ pub enum AnimeError {
     Udev(String, std::io::Error),
     NoDevice,
     UnsupportedDevice,
+    InvalidBrightness(f32),
 }
 
 impl fmt::Display for AnimeError {
@@ -36,6 +37,11 @@ impl fmt::Display for AnimeError {
             AnimeError::Udev(deets, error) => write!(f, "udev {}: {}", deets, error),
             AnimeError::NoDevice => write!(f, "No AniMe Matrix device found"),
             AnimeError::UnsupportedDevice => write!(f, "Unsupported AniMe Matrix device found"),
+            AnimeError::InvalidBrightness(bright) => write!(
+                f,
+                "Image brightness must be between 0.0 and 1.0 (inclusive), was {}",
+                bright
+            ),
         }
     }
 }

rog-anime/src/gif.rs

@@ -191,7 +191,7 @@ impl AnimeGif {
             pixels,
             decoder.width() as u32,
             anime_type,
-        );
+        )?;
 
         while let Some(frame) = decoder.read_next_frame()? {
             let wait = frame.delay * 10;
@@ -206,7 +206,7 @@ impl AnimeGif {
                     pixels,
                     width as u32,
                     anime_type,
-                );
+                )?;
             }
             for (y, row) in frame.buffer.chunks(frame.width as usize * 4).enumerate() {
                 for (x, px) in row.chunks(4).enumerate() {

rog-anime/src/image.rs

@@ -83,8 +83,12 @@ impl AnimeImage {
         pixels: Vec<Pixel>,
         width: u32,
         anime_type: AnimeType,
-    ) -> Self {
-        Self {
+    ) -> Result<Self, AnimeError> {
+        if bright < 0.0 || bright > 1.0 {
+            return Err(AnimeError::InvalidBrightness(bright));
+        }
+
+        Ok(Self {
             scale,
             angle,
             translation,
@@ -93,7 +97,7 @@ impl AnimeImage {
             img_pixels: pixels,
             width,
             anime_type,
-        }
+        })
     }
 
     // TODO: Convert functions back to const after todo completed
@@ -435,7 +439,7 @@ impl AnimeImage {
             pixels,
             width,
             anime_type,
-        );
+        )?;
 
         matrix.update();
         Ok(matrix)