detect-scale-factor ( -- n )

Vocabulary

ui.backend.gtk2

Inputs

None

Outputs

n

an object

Definition

USING: environment gdk2.ffi kernel math math.order math.parser ;

IN: ui.backend.gtk2

: detect-scale-factor ( -- n )
    "GDK_SCALE" os-env
    [ string>number ]
    [ gdk_screen_get_default gdk_screen_get_resolution 96.0 / ]
    if* 1.0 max ;