Variable: display-pixels-per-inch

display-pixels-per-inch is a variable defined in xdisp.c.

Value

72.0

Documentation

Pixels per inch value for non-window system displays.

Value is a number or a cons (WIDTH-DPI . HEIGHT-DPI).

Source Code

// Defined in /usr/src/emacs/src/xdisp.c
  DEFVAR_LISP ("display-pixels-per-inch",  Vdisplay_pixels_per_inch,
    doc: /* Pixels per inch value for non-window system displays.
Value is a number or a cons (WIDTH-DPI . HEIGHT-DPI).  */);