From 62ca2be39dd1bb03a99417ba57e0d8a18e407534 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 30 Dec 2022 14:41:36 -0700
Subject: [PATCH] [paint-extents] Implement quadratic callback

---
 src/hb-paint-extents.cc | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/hb-paint-extents.cc b/src/hb-paint-extents.cc
index 6d42c9f67..bbddeae03 100644
--- a/src/hb-paint-extents.cc
+++ b/src/hb-paint-extents.cc
@@ -102,6 +102,20 @@ hb_draw_extents_line_to (hb_draw_funcs_t *dfuncs,
   add_point (extents, to_x, to_y);
 }
 
+static void
+hb_draw_extents_quadratic_to (hb_draw_funcs_t *dfuncs,
+			      void *data,
+			      hb_draw_state_t *st,
+			      float control_x, float control_y,
+			      float to_x, float to_y,
+			      void *)
+{
+  hb_extents_t *extents = (hb_extents_t *)data;
+
+  add_point (extents, control_x, control_y);
+  add_point (extents, to_x, to_y);
+}
+
 static void
 hb_draw_extents_cubic_to (hb_draw_funcs_t *dfuncs,
 			  void *data,
@@ -128,6 +142,7 @@ static struct hb_draw_extents_funcs_lazy_loader_t : hb_draw_funcs_lazy_loader_t<
 
     hb_draw_funcs_set_move_to_func (funcs, hb_draw_extents_move_to, nullptr, nullptr);
     hb_draw_funcs_set_line_to_func (funcs, hb_draw_extents_line_to, nullptr, nullptr);
+    hb_draw_funcs_set_quadratic_to_func (funcs, hb_draw_extents_quadratic_to, nullptr, nullptr);
     hb_draw_funcs_set_cubic_to_func (funcs, hb_draw_extents_cubic_to, nullptr, nullptr);
 
     hb_draw_funcs_make_immutable (funcs);