From 7504c67fb7f1b7ae2037cfc6b4a1db30b0a84f3d Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Feb 2025 15:24:40 -0700
Subject: [PATCH] [CBDT] Return immediately if no data

---
 src/OT/Color/CBDT/CBDT.hh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/OT/Color/CBDT/CBDT.hh b/src/OT/Color/CBDT/CBDT.hh
index bcf1848f4..e73f36aa2 100644
--- a/src/OT/Color/CBDT/CBDT.hh
+++ b/src/OT/Color/CBDT/CBDT.hh
@@ -945,6 +945,8 @@ struct CBDT
 
     bool paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data) const
     {
+      if (!has_data ()) return false;
+
       hb_glyph_extents_t extents;
       hb_glyph_extents_t pixel_extents;
       hb_blob_t *blob = reference_png (font, glyph);