Variable: image-dired-thumb-size
image-dired-thumb-size is a customizable variable defined in
image-dired.el.gz.
Value
128
Documentation
Default size of thumbnails in pixels.
The value of this option is ignored if Image-Dired is customized
to use the Thumbnail Managing Standard; the standard sizes will
be used instead. See image-dired-thumbnail-storage.
This variable was added, or its default value changed, in Emacs 29.1.
Probably introduced at or before Emacs version 29.1.
Source Code
;; Defined in /usr/src/emacs/lisp/image/image-dired.el.gz
(defcustom image-dired-thumb-size
;; This is ignored when using the Thumbnail Managing Standard, but
;; this provides a better default (e.g., when 'image-dired-thumbnail-storage'
;; is `image-dired' in a directory local variables).
(pcase image-dired-thumbnail-storage
('standard 128)
('standard-large 256)
('standard-x-large 512)
('standard-xx-large 1024)
(_ 128))
"Default size of thumbnails in pixels.
The value of this option is ignored if Image-Dired is customized
to use the Thumbnail Managing Standard; the standard sizes will
be used instead. See `image-dired-thumbnail-storage'."
:type 'natnum
:version "29.1")