gifview(1) gifview(1)
NAME
gifview - displays GIF images and animations on the X window system
SYNOPSIS
gifview [--display display] [options] [filenames and frames]...
DESCRIPTION
gifview displays GIF image files on workstations and terminals running
the X Window System. gifview understands multi-image GIFs, which can
be displayed either as slideshows or as animations.
INTERACTION
gifview windows recognize several keystrokes and button commands. Many
of them are only useful for multi-image GIFs.
Space or n Go to the next frame.
b or p Go to the previous frame.
r or < Go to the first frame.
> Go to the last frame.
ESC Stop the animation.
s or a Toggle between animation and slideshow mode.
u Toggle between normal and unoptimized mode.
Backspace Delete this window.
q Quit gifview.
Left-clicking on a window goes to the next frame; right-clicking on a
window deletes that window.
COMMAND LINE
gifview's command line consists of GIF input files and options. Most
options start with a dash (-) or plus (+); frame selections, a kind of
option, start with a number sign (#). Anything else is a GIF input
file.
gifview displays one window for each GIF input file you specify. If no
GIF input file is given, or you give the special filename `-', it reads
from the standard input.
OPTIONS
--animate, -a
Animate multi-image GIFs by default. Normally, multi-image GIFs
first appear in slideshow mode. You can always use the `a' key-
stroke to toggle between modes. This option has a converse,
`--no-animate' or `+a'.
--unoptimize, -U
Display multi-image GIFs as ``unoptimized'', which shows a faith-
ful representation of what a user will see at each frame of an
animation. See gifsicle(1) for a more detailed description of
unoptimization. This option has a converse, `--no-unoptimize' or
`+U'. GIFs are always displayed unoptimized in animation mode.
-d display
--display display
Sets the X display to display. This option must come before any
GIF files.
--name name
Sets the application name under which resources are found, rather
than the default of "gifview". Since gifview itself does not use
the resource database, this is mostly useful for communication
with your window manager.
--geometry geometry
Set the size and position of gifview's windows. This is a standard
X option. At most one --geometry option can be given per window
(that is, per input GIF file).
--title title
Sets the gifview window's title. The default is "gifview", fol-
lowed by information about the currently displayed file and frame.
-w window
--window window
Display the next GIF input in an existing X window, instead of
making a new top-level window. This way, you can use gifview to
display animated GIFs in a window you created with another pro-
gram. The window argument should be an integer (gifview will use
that window ID) or `root' (gifview will use the root window).
--new-window window
Display the next GIF input in a new child of an existing X window.
This child window will disappear when gifview exits. The window
argument should be an integer (gifview will use that window ID) or
`root' (gifview will use the root window).
--install-colormap, -i
Use a private colormap for each window (if you are using a Pseudo-
Color display). This avoids polluting the existing colormap, and
may produce better results if your colormap is full, but causes
annoying colormap flashing.
--background color
--bg color
Set the background color, which is used for transparent pixels.
--min-delay delay
Set the minimum delay between frames to delay, which is measured
in hundredths of a second. Default is 0.
--fallback-delay delay
Set the frame delay of GIFs that do not specify a delay value or
have a delay of 0. The final value is still subject to the value
of --min-delay. Like --min-delay, delay is measured in hundredths
of a second. Default is 0.
--no-interactive, +e
Don't pay attention to mouse buttons or keystrokes.
--memory-limitlim
Cache at most lim megabytes of images in memory when animating.
Default is 40.
--help
Print usage information and exit.
--version
Print the version number and some quickie warranty information and
exit.
Frame Selections
A frame selection tells gifview which frame to initially display from
the current input file. They are useful only for animations, as non-
animated GIFs only have one frame. Frame selections can only be dis-
played in slideshow mode.
#num Select frame num. (The first frame is `#0'. Negative num-
bers count backwards from the last frame, which is `#-1'.)
#name Select the frame named name.
If you give two or more frame selections, you will get one window per
frame selection.
SEE ALSO
gifsicle(1)
BUGS
Please email suggestions, additions, patches and bugs to
ekohler@gmail.com.
AUTHORS
Eddie Kohler, ekohler@gmail.com
http://www.read.seas.harvard.edu/~kohler/
http://www.lcdf.org/gifsicle/
The gifsicle home page.
Version 1.77 5 May 2012 gifview(1)
gifsicle 1.77 - Generated Sun Dec 1 10:02:07 CST 2013