From b027d2ba57a8e0d6f0862e0a891ddd5dee4b02e2 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Fri, 26 Feb 2021 18:00:07 +0100
Subject: Windows platform: use GDI+ to antialias oblique lines and curves.

---
 src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H   | 2 ++
 src/drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx | 7 +++++++
 2 files changed, 9 insertions(+)

(limited to 'src/drivers/Quartz')

diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H
index 4f868238c..f59a39d79 100644
--- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.H
@@ -172,6 +172,8 @@ protected:
   virtual void overlay_rect(int x, int y, int w , int h);
   virtual float override_scale();
   virtual void restore_scale(float);
+  virtual void antialias(int state);
+  virtual int antialias();
 };
 
 class Fl_Quartz_Printer_Graphics_Driver : public Fl_Quartz_Graphics_Driver {
diff --git a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx
index 6dbad2684..c18f7c300 100644
--- a/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx
+++ b/src/drivers/Quartz/Fl_Quartz_Graphics_Driver.cxx
@@ -52,6 +52,13 @@ Fl_Graphics_Driver *Fl_Graphics_Driver::newMainGraphicsDriver()
   return new Fl_Quartz_Graphics_Driver();
 }
 
+void Fl_Quartz_Graphics_Driver::antialias(int state) {
+}
+
+int Fl_Quartz_Graphics_Driver::antialias() {
+  return 1;
+}
+
 Fl_Quartz_Graphics_Driver::Fl_Quartz_Graphics_Driver() : Fl_Graphics_Driver(), gc_(NULL) {
   quartz_line_width_ = 1.f;
   quartz_line_cap_ = kCGLineCapButt;
-- 
cgit v1.2.3