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-rw-r--r--src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
index c13c5ed05..3335a39ff 100644
--- a/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
+++ b/src/drivers/Cocoa/Fl_Cocoa_Screen_Driver.H
@@ -96,6 +96,7 @@ public:
virtual void open_display_platform();
// --- compute dimensions of an Fl_Offscreen
virtual void offscreen_size(Fl_Offscreen o, int &width, int &height);
+ virtual float retina_factor() { return 2; }
};