From 75b4a349c630b07fe461df7b647f3e907dc207dd Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Fri, 13 Feb 2015 12:00:19 +0000
Subject: Mac OS: made function Fl_Graphics_Driver::clip_box() more accurate
 for retina displays

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10576 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/fl_rect.cxx | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/fl_rect.cxx b/src/fl_rect.cxx
index f7a49cb7c..ff217db34 100644
--- a/src/fl_rect.cxx
+++ b/src/fl_rect.cxx
@@ -718,10 +718,10 @@ int Fl_Graphics_Driver::clip_box(int x, int y, int w, int h, int& X, int& Y, int
       else u = CGRectUnion(u, test);
     }
   }
-  X = int(u.origin.x);
-  Y = int(u.origin.y);
-  W = int(u.size.width + 1);
-  H = int(u.size.height + 1);
+  X = int(u.origin.x + 0.5); // reverse offset introduced by fl_cgrectmake_cocoa()
+  Y = int(u.origin.y + 0.5);
+  W = int(u.size.width + 0.5); // round to nearest integer
+  H = int(u.size.height + 0.5);
   if(CGRectIsEmpty(u)) W = H = 0;
   return ! CGRectEqualToRect(arg, u);
 #else
-- 
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