Emacs: View Image File

View Image File

Open a image file. (Alt+x dired to open a dir, then Enter on a image file to open it. 〔see dired tutorial〕 )

Alt+x image-mode

a major mode to view images, or manipulate images, such as rotate.

image files are automatically opened in image-mode.

Image Mode Keys

Alt+x describe-mode to see its doc and keys.

Here's most useful keys. Some of these features are new in Emacs 27 (date 2020) .

n

image-next-file

p

image-previous-file

+

image-increase-size Hold Ctrl and scroll mouse wheel to zoom in/out.

-

image-decrease-size

g

revert-buffer

o

image-save

r

image-rotate

C-c C-c

image-toggle-display

C-c C-x

image-toggle-hex-display

Viewing Animation

Enter

image-toggle-animation

f

image-next-frame

b

image-previous-frame

F

image-goto-frame

a +

image-increase-speed

a -

image-decrease-speed

a 0

image-reset-speed

a r

image-reverse-speed

Here's a gif file you can play with, at vi_clippy_assistant.gif