Add subpixel anti-aliasing support on macOS 10.14+

2 files changed, 13 insertions, 1 deletions

diff --git a/alacritty/src/display.rs b/alacritty/src/display.rs
index f081e054..fcb87604 100644
--- a/alacritty/src/display.rs
+++ b/alacritty/src/display.rs
@@ -32,6 +32,8 @@ use parking_lot::MutexGuard;
 use wayland_client::{Display as WaylandDisplay, EventQueue};
 
 use font::{self, Rasterize};
+#[cfg(target_os = "macos")]
+use font::set_font_smoothing;
 
 use alacritty_terminal::config::{Font, StartupMode};
 use alacritty_terminal::event::{Event, OnResize};
@@ -225,6 +227,10 @@ impl Display {
             api.clear(background_color);
         });
 
+        // Set subpixel anti-aliasing.
+        #[cfg(target_os = "macos")]
+        set_font_smoothing(config.font.use_thin_strokes());
+
         #[cfg(not(any(target_os = "macos", windows)))]
         let is_x11 = event_loop.is_x11();
 
diff --git a/alacritty/src/event.rs b/alacritty/src/event.rs
index 9a625a91..8ec2b839 100644
--- a/alacritty/src/event.rs
+++ b/alacritty/src/event.rs
@@ -22,7 +22,9 @@ use glutin::platform::unix::EventLoopWindowTargetExtUnix;
 use log::{debug, info, warn};
 use serde_json as json;
 
-use font::Size;
+use font::{self, Size};
+#[cfg(target_os = "macos")]
+use font::set_font_smoothing;
 
 use alacritty_terminal::clipboard::ClipboardType;
 use alacritty_terminal::config::Font;
@@ -726,6 +728,10 @@ impl<N: Notify + OnResize> Processor<N> {
             }
         }
 
+        // Set subpixel anti-aliasing.
+        #[cfg(target_os = "macos")]
+        set_font_smoothing(config.font.use_thin_strokes());
+
         *processor.ctx.config = config;
 
         processor.ctx.terminal.dirty = true;