From f40f4a86295278e37e80f1bc4fd8ea3e37e95e12 Mon Sep 17 00:00:00 2001
From: Shepard Liu <shepard0liu@gmail.com>
Date: Tue, 16 Sep 2025 11:04:04 +0800
Subject: [PATCH] compilation on windows & small bug fix

---
 .../include/CGAL/Draw_aos/Arr_bounded_approximate_face.h      | 4 ++--
 .../include/CGAL/Draw_aos/Arr_bounded_face_triangulator.h     | 4 ++--
 Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h    | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_approximate_face.h b/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_approximate_face.h
index 0368204e4d7..677785417ac 100644
--- a/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_approximate_face.h
+++ b/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_approximate_face.h
@@ -252,8 +252,8 @@ public:
 
 private:
   const Bounded_render_context& m_ctx;
-  Bounded_approximate_halfedge m_bounded_approx_halfedge;
-  Bounded_approximate_vertex m_bounded_approx_vertex;
+  const Bounded_approximate_halfedge m_bounded_approx_halfedge;
+  const Bounded_approximate_vertex m_bounded_approx_vertex;
 };
 
 } // namespace draw_aos
diff --git a/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_face_triangulator.h b/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_face_triangulator.h
index 232fe1e349f..3726d60ff29 100644
--- a/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_face_triangulator.h
+++ b/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_face_triangulator.h
@@ -148,7 +148,7 @@ private:
    * \brief Add a helper point on the shared boundary of two points if they are on the same boundary side.
    *
    * When triangulating a arrangement face within a bounding box, curves outside the bounding box are projected on the
-   * four sides of the bbox. Topological errors could be introduced if several polylines are lying on the same side.
+   * four sides of the bbox. Topological errors could be introduced if several segments are lying on the same side.
    * Thus we add the midpoint in between the two points on boundary and move it outward with an increasing offset.
    */
   void add_boundary_helper_point(Point from, Point to) {
@@ -204,7 +204,7 @@ public:
   void push_back(Point pt) {
     CGAL_assertion_msg(m_curr_cst_begin.has_value(), "Call start_constraint() before push_back().");
 
-    if(m_points.size() - *m_curr_cst_begin >= 2) add_boundary_helper_point(m_points.back(), pt);
+    if(m_points.size() - *m_curr_cst_begin >= 1) add_boundary_helper_point(m_points.back(), pt);
     m_points.push_back(pt);
     m_point_types.push_back(Vertex_and_constraint);
   }
diff --git a/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h b/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h
index 1f5fa568db6..9d981a4a2bb 100644
--- a/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h
+++ b/Arrangement_on_surface_2/include/CGAL/draw_arrangement_2.h
@@ -36,9 +36,9 @@
 #include <CGAL/config.h>
 #include <CGAL/Arr_observer.h>
 #include <CGAL/unordered_flat_map.h>
+#include <CGAL/Bbox_2.h>
 #include <CGAL/Draw_aos/type_utils.h>
 #include <CGAL/Draw_aos/Arr_viewer.h>
-#include "CGAL/Bbox_2.h"
 
 namespace CGAL {