From 848dd4a40afed8874abfb499100f09ff291ce14e Mon Sep 17 00:00:00 2001
From: Harley Acheson <harley.acheson@gmail.com>
Date: Thu, 28 Jul 2022 17:28:05 -0700
Subject: BLF: Don't Print Empty Strings

Optimize font drawing by skipping empty strings.

See D15472 for more details.

Differential Revision: https://developer.blender.org/D15472

Reviewed by Campbell Barton
---
 source/blender/blenfont/intern/blf_font.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/blender/blenfont/intern/blf_font.c b/source/blender/blenfont/intern/blf_font.c
index 038e73cc928..0efd3537a32 100644
--- a/source/blender/blenfont/intern/blf_font.c
+++ b/source/blender/blenfont/intern/blf_font.c
@@ -836,7 +836,7 @@ static void blf_font_boundbox_foreach_glyph_ex(FontBLF *font,
   size_t i = 0, i_curr;
   rcti gbox_px;
 
-  if (str_len == 0) {
+  if (str_len == 0 || str[0] == 0) {
     /* early output. */
     return;
   }
-- 
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