16 #include <TargetConditionals.h> 21 #import <AppKit/AppKit.h> 22 #import <Foundation/Foundation.h> 27 CGFloat scale_factor = 1.0f;
29 NSArray *screens = [NSScreen screens];
31 if ([screens[display_index] respondsToSelector:
@selector(backingScaleFactor)]) {
32 scale_factor = [screens[display_index] backingScaleFactor];
40 #endif //end TARGET_OS_OSX 41 #endif //end __APPLE__
CGFloat get_scale_factor(int display_index)