From efef8eb219907464a9c879b0f753739c57452e4b Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Tue, 14 Apr 2026 16:10:48 +0200
Subject: [PATCH] Fix "Mac: Most fl_symbols missing corner pixels" (#1409).

+ Fix line loop drawing on macOS (#1409)
+ macOS: yet another fix of line drawing (#1409)

All fixes backported and merged from master, commits:

 - ea1b1bddd96be6616e1b2b0eccbe815f9b71ad11
 - e19bc59ec1543c399c621d9a54d7ab5548bce89c
 - 3c8bc27458d649a85a04ee0483fec6023fa4c83e
---
 src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H        |  2 ++
 .../Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx       | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H
index ca1ffce04..f5c7365a3 100644
--- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H
@@ -108,7 +108,9 @@ protected:
   int not_clipped(int x, int y, int w, int h) FL_OVERRIDE;
   void restore_clip() FL_OVERRIDE;
   void end_points() FL_OVERRIDE;
+  void end_loop() FL_OVERRIDE;
   void end_line() FL_OVERRIDE;
+  void end_line_or_loop(bool is_loop);
   void end_polygon() FL_OVERRIDE;
   void end_complex_polygon() FL_OVERRIDE;
   void circle(double x, double y, double r) FL_OVERRIDE;
diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx
index 16c6c6c29..86ebb5392 100644
--- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver_vertex.cxx
@@ -33,7 +33,16 @@ void Fl_Quartz_Graphics_Driver::end_points() {
   }
 }
 
+void Fl_Quartz_Graphics_Driver::end_loop() {
+  fixloop();
+  end_line_or_loop(true);
+}
+
 void Fl_Quartz_Graphics_Driver::end_line() {
+  end_line_or_loop(false);
+}
+
+void Fl_Quartz_Graphics_Driver::end_line_or_loop(bool is_loop) {
   if (n < 2) {
     end_points();
     return;
@@ -43,6 +52,8 @@ void Fl_Quartz_Graphics_Driver::end_line() {
   CGContextMoveToPoint(gc_, xpoint[0].x, xpoint[0].y);
   for (int i=1; i<n; i++)
     CGContextAddLineToPoint(gc_, xpoint[i].x, xpoint[i].y);
+  if (is_loop)
+    CGContextClosePath(gc_);
   CGContextStrokePath(gc_);
   CGContextSetShouldAntialias(gc_, false);
 }