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sxiv: Simple (or small or suckless) X Image Viewer
sxiv is an alternative to feh and qiv. Its only dependency besides xlib is
imlib2. The primary goal for writing sxiv is to create an image viewer, which
only has the most basic features required for fast image viewing (the ones I
want). It has vi key bindings and works nicely with tiling window managers.
Its code base should be kept small and clean to make it easy for you to dig
into it and customize it for your needs.
Features
========
* Basic image operations, e.g. zooming, panning, rotating
* Customizable key and mouse button mappings (in *config.h*)
* Thumbnail mode: grid of selectable previews of all images
* Ability to cache thumbnails for fast re-loading
* Basic support for multi-frame images
Additional features, that need to be included at compile-time--see next section
on how to enable them:
* Play GIF animations
* Auto-orientate JPEG images according to their EXIF tags
Installation
============
sxiv is built using the commands:
$ make
# make install
Please note, that the latter one requires root privileges.
By default, sxiv is installed using the prefix "/usr/local", so the full path
of the executable will be "/usr/local/bin/sxiv".
You can install it into a directory of your choice by changing the second
command to:
# make PREFIX="/your/dir" install
All build-time specific settings can be found in the file *config.h*. Please
check and change them, so that they fit your needs.
Additional features
-------------------
The XFLAGS and XLIBS macros/environment variables control which additional
features (i.e. non-default compile-time features) should be enabled and
included during compilation.
The following table lists the available additional features--the column
*Requires* indicates, which libraries need to be installed for a feature; the
columns *XFLAGS* and *XLIBS* show, what needs to be added to these
macros/environment variables to enable the corresponding feature:
Feature | Requires | XFLAGS | XLIBS
----------------------------------+----------+----------------+--------
GIF support: Load all frames and | giflib | -DGIF_SUPPORT | -lgif
play animations of GIF files | | |
----------------------------------+----------+----------------+--------
EXIF support: auto-orientate JPEG | libexif | -DEXIF_SUPPORT | -lexif
files according to their EXIF tag | | |
For instance, to enable GIF and EXIF support, the giflib and libexif libraries
need to be installed on your system and you either need to change the first
build command to:
$ make XFLAGS="-DGIF_SUPPORT -DEXIF_SUPPORT" XLIBS="-lgif -lexif"
Or you need to run the following commands before building sxiv:
$ export XFLAGS="-DGIF_SUPPORT -DEXIF_SUPPORT"
$ export XLIBS="-lgif -lexif"
Usage
=====
sxiv has two modes of operation: image and thumbnail mode. The default is image
mode, in which only the current image is shown. In thumbnail mode a grid of
small previews is displayed, making it easy to choose an image to open.
sxiv supports the following command-line options:
-c Remove all orphaned cache files from thumbnail cache and exit
-d Scale all images to 100%, but fit large images into window
-F Use size-hints to make the window fixed/floating
-f Start in fullscreen mode
-g GEOMETRY Set window position and size
(see section GEOMETRY SPECIFICATIONS of X(7))
-n NUM Start at picture NUM
-p Pixelize, i.e. turn off image anti-aliasing
-q Be quiet, disable warnings
-r Search given directories recursively for images
-s Scale all images to fit into window
-t Start in thumbnail mode
-v Print version information and exit
-Z Same as `-z 100'
-z ZOOM Scale all images to current zoom level, use ZOOM at startup
The following key mappings are available; differences between image view and
thumbnail mode are denoted via brackets:
q Quit sxiv
Return Switch to thumbnail mode [open selected image]
n,Space Go to the next image
p,Backspace Go to the previous image
g,G Go to [select] first/last image
[,] Go 10 images backward/forward
Ctrl-n,p Go to the next/previous frame of a multi-frame image
Ctrl-Space Play/pause animation of a multi-frame image
+,= Zoom in
- Zoom out
0 Set zoom level to 100%
w Fit image into window
h,j,k,l Pan image [move selection] left/down/up/right
(also with arrow keys)
H,J,K,L Pan to left/bottom/top/right image edge
Ctrl-h,j,k,l Pan image one window width/height left/down/up/right
(also with Ctrl-arrow keys)
<,> Rotate image (counter-)clockwise by 90 degrees
W Resize window to fit image
f Toggle fullscreen mode (requires an EWMH/NetWM compliant
window manager)
a Toggle anti-aliasing
A Toggle visibility of alpha-channel, i.e. transparency
D Remove image from file list and go to [select] next image
r Reload image
Additionally, the following mouse mappings are available:
Button1 Go to the next image
[select image/open image if it is already selected]
Button2 Drag image with mouse while keeping it pressed
Button3 Go to the previous image
ScrollUp Pan image up [scroll up one thumbnail row]
ScrollDown Pan image down [scroll down one thumbnail row]
Shift+ScrollUp Pan image left
Shift+ScrollDown Pan image right
Ctrl+ScrollUp Zoom in
Ctrl+ScrollDown Zoom out
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