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Windows Use
GetDpiForMonitorAPI withMDT_EFFECTIVE_DPIas DPI type. Windows 8.1 and up; for compatibility, load the function dynamically withGetProcAddress. If DPI >= 192, scale can be taken as 2.0, otherwise 1.0. https://docs.microsoft.com/en-us/windows/win32/api/shellscalingapi/nf-shellscalingapi-getdpiformonitor -
Linux: Check the Xft.dpi resource. If DPI >= 192, scale can be taken as 2.0, otherwise 1.0. glfw/glfw#1019
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Mac: Use the result of Cocoa API
NSScreen::backingScaleFactor. https://developer.apple.com/documentation/appkit/nsscreen/1388385-backingscalefactor?language=objc
Created
January 10, 2020 07:49
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How to get portable window scale factor (Retina)
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