From 7996ae4c3d4d99066efa738a8ddca3851ff94ec5 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 17 Dec 2022 01:04:00 -0500
Subject: [PATCH] CBDT: Implement paint glyph

---
 src/hb-ot-color-cbdt-table.hh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/hb-ot-color-cbdt-table.hh b/src/hb-ot-color-cbdt-table.hh
index 4f8fa0123..c5946934b 100644
--- a/src/hb-ot-color-cbdt-table.hh
+++ b/src/hb-ot-color-cbdt-table.hh
@@ -28,6 +28,7 @@
 #define HB_OT_COLOR_CBDT_TABLE_HH
 
 #include "hb-open-type.hh"
+#include "hb-paint.hh"
 
 /*
  * CBLC -- Color Bitmap Location
@@ -936,6 +937,18 @@ struct CBDT
 
     bool has_data () const { return cbdt.get_length (); }
 
+    bool paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data) const
+    {
+      hb_blob_t *blob = reference_png (font, glyph);
+      if (unlikely (blob == hb_blob_get_empty ()))
+        return false;
+
+      funcs->image (data, glyph);
+
+      hb_blob_destroy (blob);
+      return true;
+    }
+
     private:
     hb_blob_ptr_t<CBLC> cblc;
     hb_blob_ptr_t<CBDT> cbdt;