-gdouble
-get_screen_dpi (GtkWindow *window)
-{
- GdkScreen *screen;
- gdouble dp, di;
-
- screen = gtk_window_get_screen (window);
-
- /*diagonal in pixels*/
- dp = hypot (gdk_screen_get_width (screen), gdk_screen_get_height (screen));
-
- /*diagonal in inches*/
- di = hypot (gdk_screen_get_width_mm(screen), gdk_screen_get_height_mm (screen)) / 25.4;
-
- return (dp / di);
-}
-
-