IMV(1)

NAME
imv - Image viewer for X11 and Wayland

DESCRIPTION

imv is an image viewer for X11 and Wayland, aimed at users of tiling window managers. It supports a wide variety of image file formats, including animated gif files. imv will automatically reload the current image, if it is changed on disk.

SYNOPSIS

imv [options] [paths...]

OPTIONS

-h
    Show help message and quit.

-v
    Show version and quit.

-b <background>
    Set the background colour. Can either be a 6-digit hexadecimal colour code or checks to show a chequered background.

-d
    Start with overlay visible.

-f
    Start fullscreen.

-l
    List open files to stdout at exit.

-n <path|index>
    Start with the given path, or index selected.

-r
    Load directories recursively.

-s <none|shrink|full>
    Set scaling mode to use. none will show each image at its actual size. shrink will scale down the image to fit inside the window. full will both scale up and scale down the image to fit perfectly inside the window. Defaults to full.

-t <slideshow_duration>
    Start in slideshow mode, with each image shown for the given number of seconds.

-u <linear|nearest_neighbour>
    Set upscaling method used by imv.

-w
    Enable automatic resizing of the window to fit each image.

-W
    Enable automatic resizing and recentering of the window to fit each image.

-x
    Disable looping of input paths.

COMMANDS

Commands can be entered by pressing :. imv supports the following commands:

quit
    Quit imv.

pan <x> <y>
    Pan the view by the given amounts.

select_rel <offset>
    Select a different image. 1 is the next one, -1 is the previous.

select_abs <index>
    Select an image by index. 1 is the first image, 2 the second, etc. The last image can be indexed as -1, the second last as -2.

zoom <amount|actual>
    Zoom into the image by the given amount. Negative values zoom out. actual resets the zoom to 100%, showing the image at its actual size.

open [-r] <paths ...>
    Add the given paths to the list of open images. If the -r option is specified, do so recursively. Shell expansions may be used.

close
    Close the currently selected image.

fullscreen
    Toggle fullscreen.

overlay
    Toggle the overlay.

exec <command>
    Execute a shell command. imv provides various environment variables to the command executed. These are documented in the Environment Variables section.

center
    Recenter the selected image.

reset
    Reset the view, centering the image and using the current scaling mode to rescale it.

next_frame
    If an animated gif is currently being displayed, load the next frame.

toggle_playing
    Toggle playback of the current image if it is an animated gif.

scaling_mode <none|shrink|full|next>
    Set the current scaling mode. Setting the mode to next advances it to the next mode in the list.

slideshow_duration <amount>
    Change the slideshow duration by the given amount in seconds.

CONFIGURATION

The path to a config file can be given via the $imv_config environment variable. If not found, imv will search for it in the following locations:

    • $XDG_CONFIG_HOME/imv/config (recommended)

    • $HOME/.config/imv/config

    • $HOME/.imv_config

    • $HOME/.imv/config

    • /usr/local/etc/imv_config

    • /etc/imv_config

A default config file is shipped with imv into /etc/imv_config

For documentation on the config file format, see imv(5).

ENVIRONMENT VARIABLES

When imv executes a shell command, it provides a number of environment variables, exposing imv’s state. These environment variables are also available when customising the window’s title, or the overlay text.

$imv_current_file
    Path of currently selected image.

$imv_scaling_mode
    Name of the current scaling mode.

$imv_loading
    1 if a new image is loading, 0 otherwise.

$imv_current_index
    Index of current image, from 1-N.

$imv_file_count
    Total number of files.

$imv_width
    Width of the current image.

$imv_height
    Height of the current image.

$imv_scale
    Scaling of current image in percent.

$imv_slideshow_duration
    Number of seconds each image is shown for.

$imv_slideshow_elapsed
    How long the current image has been shown for.

AUTHORS

imv is written and maintained by Harry Jeffery <harry@exec64.co.uk> with contributions from other developers.

Full source code and other information can be found at https://github.com/eXeC64/imv.

SEE ALSO

imv(5)