[master] a4a5720 - macOS: minor improvement of capture of window titlebar.

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[master] a4a5720 - macOS: minor improvement of capture of window titlebar. "ManoloFLTK" 09:32 Sep 21 top right image
 
commit a4a5720658a46dde4e71b9c0991ecbbca567da86
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Mon Sep 21 18:19:53 2020 +0200
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Mon Sep 21 18:20:07 2020 +0200

    macOS: minor improvement of capture of window titlebar.

 src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
index e17c983..6525855 100644
--- src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
+++ src/drivers/Cocoa/Fl_Cocoa_Window_Driver.cxx
@@ -320,7 +320,7 @@ void Fl_Cocoa_Window_Driver::capture_titlebar_and_borders(Fl_RGB_Image*& top, Fl
   CGColorSpaceRef cspace = CGColorSpaceCreateDeviceRGB();
   float s = Fl::screen_driver()->scale(screen_num());
   int scaled_w = int(w() * s);
-  const int factor = (layer ? 4 : 2); // resolution level for the titlebar (2 == retina's)
+  const int factor = (layer && mapped_to_retina() ? 4 : 2); // resolution level for the titlebar (2 == retina's)
   int data_w = factor * scaled_w, data_h = factor * htop;
   uchar *rgba = new uchar[4 * data_w * data_h];
   CGContextRef auxgc = CGBitmapContextCreate(rgba, data_w, data_h, 8, 4 * data_w, cspace, kCGImageAlphaPremultipliedLast);
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