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

2 files changed, 13 insertions, 2 deletions

diff --git a/swaylock/main.c b/swaylock/main.c
index 668a8742..c25c8eec 100644
--- a/swaylock/main.c
+++ b/swaylock/main.c
@@ -195,11 +195,15 @@ void damage_state(struct swaylock_state *state) {
         }
 }
 
-static void handle_wl_output_geometry(void *data, struct wl_output *output,
+static void handle_wl_output_geometry(void *data, struct wl_output *wl_output,
                 int32_t x, int32_t y, int32_t width_mm, int32_t height_mm,
                 int32_t subpixel, const char *make, const char *model,
                 int32_t transform) {
-        // Who cares
+        struct swaylock_surface *surface = data;
+        surface->subpixel = subpixel;
+        if (surface->state->run_display) {
+                damage_surface(surface);
+        }
 }
 
 static void handle_wl_output_mode(void *data, struct wl_output *output,
diff --git a/swaylock/render.c b/swaylock/render.c
index 66c55965..fa8832bd 100644
--- a/swaylock/render.c
+++ b/swaylock/render.c
@@ -39,6 +39,13 @@ void render_frame(struct swaylock_surface *surface) {
         }
 
         cairo_t *cairo = surface->current_buffer->cairo;
+        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(surface->subpixel));
+        cairo_set_font_options(cairo, fo);
+        cairo_font_options_destroy(fo);
         cairo_identity_matrix(cairo);
 
         cairo_save(cairo);