From 4ba65cb993255dd1aee5a26f613ab6b8fbefda1e Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Tue, 6 Jan 2015 10:22:41 +0000
Subject: Don not assume that Fl_X::resolution_scaling_factor() returns either
 1 or 2.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10509 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_Gl_Device_Plugin.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Fl_Gl_Device_Plugin.cxx b/src/Fl_Gl_Device_Plugin.cxx
index 8dbdb297f..e9b43d1cf 100644
--- a/src/Fl_Gl_Device_Plugin.cxx
+++ b/src/Fl_Gl_Device_Plugin.cxx
@@ -53,8 +53,9 @@ static Fl_RGB_Image* capture_gl_rectangle(Fl_Gl_Window *glw, int x, int y, int w
 {
 #if defined(__APPLE__)
   const int bytesperpixel = 4;
-  if (Fl_X::resolution_scaling_factor(glw) > 1) {
-    w = 2*w; h = 2*h; x = 2*x; y = 2*y;
+  int factor = Fl_X::resolution_scaling_factor(glw);
+  if (factor > 1) {
+    w *= factor; h *= factor; x *= factor; y *= factor;
   }
 #else
   const int bytesperpixel = 3;
-- 
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