Implement faint attr (\e[2m) in default renderer

Fixes #66
asciinema · Oct 23, 2024 · 530bda9 · 530bda9
1 parent 4ea9e66
commit 530bda9
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/src/renderer.rs b/src/renderer.rs
@@ -32,6 +32,7 @@ struct TextAttrs {
     foreground: Option<avt::Color>,
     background: Option<avt::Color>,
     bold: bool,
+    faint: bool,
     italic: bool,
     underline: bool,
 }
@@ -74,6 +75,7 @@ fn text_attrs(
         foreground,
         background,
         bold: pen.is_bold(),
+        faint: pen.is_faint(),
         italic: pen.is_italic(),
         underline: pen.is_underline(),
     }

diff --git a/src/renderer/fontdue.rs b/src/renderer/fontdue.rs
@@ -250,11 +250,16 @@ impl Renderer for FontdueRenderer {
                             continue;
                         }
 
-                        let v = bitmap[bmap_y * metrics.width + bmap_x];
+                        let mut ratio = bitmap[bmap_y * metrics.width + bmap_x];
+
+                        if attrs.faint {
+                            ratio = (ratio as f32 * 0.5) as u8;
+                        }
+
                         let idx = (y as usize) * self.pixel_width + (x as usize);
                         let bg = buf[idx];
 
-                        buf[idx] = mix_colors(fg, bg, v);
+                        buf[idx] = mix_colors(fg, bg, ratio);
                     }
                 }