swaybar, swaylock, & tree/container: Set cairo font options to render text and lines with subpixel hinting (if available).

1 files changed, 7 insertions, 0 deletions

diff --git a/swaybar/render.c b/swaybar/render.c
index 26db80cb..9413dc57 100644
--- a/swaybar/render.c
+++ b/swaybar/render.c
@@ -495,6 +495,13 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
         cairo_surface_t *recorder = cairo_recording_surface_create(
                         CAIRO_CONTENT_COLOR_ALPHA, NULL);
         cairo_t *cairo = cairo_create(recorder);
+        cairo_set_antialias(cairo, CAIRO_ANTIALIAS_BEST);
+        cairo_font_options_t *fo = cairo_font_options_create();
+        cairo_font_options_set_hint_style(fo, CAIRO_HINT_STYLE_FULL);
+        cairo_font_options_set_antialias(fo, CAIRO_ANTIALIAS_SUBPIXEL);
+        cairo_font_options_set_subpixel_order(fo, to_cairo_subpixel_order(output->subpixel));
+        cairo_set_font_options(cairo, fo);
+        cairo_font_options_destroy(fo);
         cairo_save(cairo);
         cairo_set_operator(cairo, CAIRO_OPERATOR_CLEAR);
         cairo_paint(cairo);