Variable: image-scaling-factor

image-scaling-factor is a customizable variable defined in image.el.gz.

Value

auto

Documentation

When displaying images, apply this scaling factor before displaying.

This is not supported for all image types, and is mostly useful when you have a high-resolution monitor. The value is either a floating point number (where numbers higher than 1 means to increase the size and lower means to shrink the size), or the symbol auto, which will compute a scaling factor based on the font pixel size.

This variable was added, or its default value changed, in Emacs 26.1.

View in manual

Probably introduced at or before Emacs version 26.1.

Source Code

;; Defined in /usr/src/emacs/lisp/image.el.gz
(defcustom image-scaling-factor 'auto
  "When displaying images, apply this scaling factor before displaying.
This is not supported for all image types, and is mostly useful
when you have a high-resolution monitor.
The value is either a floating point number (where numbers higher
than 1 means to increase the size and lower means to shrink the
size), or the symbol `auto', which will compute a scaling factor
based on the font pixel size."
  :type '(choice number
                 (const :tag "Automatically compute" auto))
  :version "26.1")