style(src-tauri): cargo fmt

Pure mechanical rustfmt reformat (default config, no rustfmt.toml).

src-tauri/src/logo.rs

@@ -224,7 +224,8 @@ fn quantize_colour(img: &mut RgbaImage) {
 
 fn encode_png(img: &DynamicImage) -> Result<Vec<u8>, LogoError> {
     let mut buf = Vec::new();
-    let encoder = PngEncoder::new_with_quality(&mut buf, CompressionType::Best, FilterType::Adaptive);
+    let encoder =
+        PngEncoder::new_with_quality(&mut buf, CompressionType::Best, FilterType::Adaptive);
     img.write_with_encoder(encoder)
         .map_err(|e| LogoError::Encode(e.to_string()))?;
     Ok(buf)
@@ -360,7 +361,9 @@ mod tests {
     }
 
     fn decode_png(bytes: &[u8]) -> RgbaImage {
-        image::load_from_memory_with_format(bytes, ImageFormat::Png).unwrap().to_rgba8()
+        image::load_from_memory_with_format(bytes, ImageFormat::Png)
+            .unwrap()
+            .to_rgba8()
     }
 
     #[test]
@@ -427,7 +430,8 @@ mod tests {
         assert!((38..=42).contains(&m.height), "{}", m.height);
         assert!(out.knockout_png.is_none());
         // The input pixels are not edited: the printed corners are still the logo colour, not transparent.
-        let printed = image::load_from_memory_with_format(&out.print_png, ImageFormat::Png).unwrap();
+        let printed =
+            image::load_from_memory_with_format(&out.print_png, ImageFormat::Png).unwrap();
         assert!(!printed.color().has_alpha());
     }
 
@@ -459,7 +463,10 @@ mod tests {
         // Right magic, broken body.
         let mut truncated = png_bytes(&alpha_logo(20, 20, (2, 2, 5, 5), [0; 3]));
         truncated.truncate(30);
-        assert!(matches!(process_logo(&truncated), Err(LogoError::Decode(_))));
+        assert!(matches!(
+            process_logo(&truncated),
+            Err(LogoError::Decode(_))
+        ));
     }
 
     #[test]
@@ -470,14 +477,23 @@ mod tests {
 
         // A blank image 8193 px wide compresses to a few KB, so it passes the byte cap.
         let wide = RgbaImage::new(8193, 2);
-        assert!(matches!(process_logo(&png_bytes(&wide)), Err(LogoError::Dimensions)));
+        assert!(matches!(
+            process_logo(&png_bytes(&wide)),
+            Err(LogoError::Dimensions)
+        ));
     }
 
     #[test]
     fn blank_images_have_no_content() {
-        assert!(matches!(process_logo(&png_bytes(&RgbaImage::new(40, 40))), Err(LogoError::Empty)));
+        assert!(matches!(
+            process_logo(&png_bytes(&RgbaImage::new(40, 40))),
+            Err(LogoError::Empty)
+        ));
         let white = RgbaImage::from_pixel(40, 40, Rgba([255, 255, 255, 255]));
-        assert!(matches!(process_logo(&png_bytes(&white)), Err(LogoError::Empty)));
+        assert!(matches!(
+            process_logo(&png_bytes(&white)),
+            Err(LogoError::Empty)
+        ));
     }
 
     #[test]
@@ -508,9 +524,15 @@ mod tests {
         assert!((m.ink_density - 0.52).abs() < 1e-9, "{}", m.ink_density);
 
         let square = alpha_logo(50, 50, (10, 10, 30, 30), [0; 3]);
-        assert_eq!(process_logo(&png_bytes(&square)).unwrap().metrics.kind, LogoKind::Mark);
+        assert_eq!(
+            process_logo(&png_bytes(&square)).unwrap().metrics.kind,
+            LogoKind::Mark
+        );
         let tall = alpha_logo(50, 100, (10, 10, 12, 40), [0; 3]);
-        assert_eq!(process_logo(&png_bytes(&tall)).unwrap().metrics.kind, LogoKind::Tall);
+        assert_eq!(
+            process_logo(&png_bytes(&tall)).unwrap().metrics.kind,
+            LogoKind::Tall
+        );
         assert_eq!(kind_for(2.49), LogoKind::Mark);
         assert_eq!(kind_for(0.6), LogoKind::Tall);
     }
@@ -535,15 +557,24 @@ mod tests {
 
     #[test]
     fn sample_logo_is_trimmed_and_small() {
-        let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../src/pdf/testing/fixtures/sample-wordmark-logo.png");
+        let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../src/pdf/testing/fixtures/sample-wordmark-logo.png");
         let bytes = std::fs::read(path).unwrap();
         let out = process_logo(&bytes).unwrap();
         let m = &out.metrics;
         assert_eq!((m.source_width, m.source_height), (2172, 724));
         assert!((5.3..=5.6).contains(&m.aspect), "aspect {}", m.aspect);
-        assert!((0.50..=0.60).contains(&m.ink_density), "density {}", m.ink_density);
+        assert!(
+            (0.50..=0.60).contains(&m.ink_density),
+            "density {}",
+            m.ink_density
+        );
         assert_eq!(m.kind, LogoKind::Wordmark);
-        assert!(out.print_png.len() <= 120 * 1024, "print is {} bytes", out.print_png.len());
+        assert!(
+            out.print_png.len() <= 120 * 1024,
+            "print is {} bytes",
+            out.print_png.len()
+        );
         assert!(out.knockout_png.is_some());
     }
 }