From f96c847cf7666f3556210589892354461c87a67a Mon Sep 17 00:00:00 2001
From: lkn <lkn@localhost>
Date: Tue, 23 Jun 2026 20:50:52 +0200
Subject: [PATCH] workspace name: match original bold shadow text rendering

Draw white text at 5x5 offsets to build a shape mask (like the
original XShape-based approach), then draw centered text at (2,2)
and apply the mask as alpha. This gives the same outlined text
appearance as the X11 version.
---
 src/backend/wayland/wl_badge.c | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)

diff --git a/src/backend/wayland/wl_badge.c b/src/backend/wayland/wl_badge.c
index ee73877..d7e31ae 100644
--- a/src/backend/wayland/wl_badge.c
+++ b/src/backend/wayland/wl_badge.c
@@ -38,15 +38,34 @@ wl_workspace_badge_render(WScreen *scr, WNativeWindow badge_win,
         W_RegisterBacking(fb->id, fb->image);
     }
 
-    /* Fill transparent */
+    /* Build shape mask: draw white text at 5x5 offsets on black.
+     * Any pixel that becomes non-black is part of the text outline. */
     uint32_t *px = pixman_image_get_data(fb->image);
-    for (int i = 0; i < width * height; i++)
-        px[i] = 0x00000000;
+    int npx = width * height;
+    for (int i = 0; i < npx; i++)
+        px[i] = 0xFF000000;
 
-    /* Draw white text */
+    for (int x = 0; x <= 4; x++)
+        for (int y = 0; y <= 4; y++)
+            WMDrawString(scr->wmscreen, (WMDrawable)badge_win, scr->white,
+                         scr->workspace_name_font, x, y, name, name_len);
+
+    /* Save mask: pixels with any white component are visible */
+    uint8_t *mask = wmalloc(npx);
+    for (int i = 0; i < npx; i++)
+        mask[i] = (px[i] & 0x00FFFFFF) ? 0xFF : 0x00;
+
+    /* Draw final text: white on black at center (2,2) */
+    for (int i = 0; i < npx; i++)
+        px[i] = 0xFF000000;
     WMDrawString(scr->wmscreen, (WMDrawable)badge_win, scr->white,
                  scr->workspace_name_font, 2, 2, name, name_len);
 
+    /* Apply mask as alpha channel */
+    for (int i = 0; i < npx; i++)
+        px[i] = (px[i] & 0x00FFFFFF) | ((uint32_t)mask[i] << 24);
+    wfree(mask);
+
     /* Update scene buffer */
     if (fb->scene_buf)
         wlr_scene_buffer_set_buffer_with_damage(fb->scene_buf, &fb->base, NULL);