glslideshow6

Usage

Overview

Displays a slideshow of images, with panning, zooming and crossfading effects.

To specify the directory that images are loaded from, run xscreensaver-settings(1) and click on the "Advanced" tab.

Options

--visual visual

Specify which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.

--window

Draw on a newly-created window. This is the default.

--root

Draw on the root window.

--window-id number

Draw on the specified window.

--duration seconds

How long each image will be displayed before loading a new one. Default 30 seconds.

--transition seconds

When a new image is loaded, it transitions onto the screen by sliding in from the edges, spinning or flipping. This is how long that transition takes. Set it to 0 to disable the transition effects. Default 3 seconds.

--pan seconds

Once an image has been loaded, it is panned, zoomed and cross-faded against itself. This is how fast those pans are. Set this to 0 to disable the panning-and-crossfading effect. Default 6 seconds.

--fade seconds

When zooming and cross-fading, this is how long the "fade" portion takes. This value must be less than the "pan" option (it is inclusive). Set this to 0 to disable the panning-and-crossfading effect. Default 2 seconds.

--letterbox

Whether to fit the image on the screen (adding horizontal or vertical black bars) or to fill the screen (cropping the image). This is the default.

--clip

The opposite of --letterbox.

--zoom number

Zoom in on the image a little bit. This applies both to "transitions" and to "panning-and-crossfading". Default: 75, meaning that 75% or more of each image will always be visible. If you always want to see 100% of every image, then use "letterbox" and set "zoom" to 100%.

--titles

Whether to show the file name of the current image in the upper left corner.

--delay number

Per-frame delay, in microseconds. Default: 20000 (0.02 seconds).

--fps

Display the current frame rate, CPU load, and polygon count.

--verbose

Prints debugging info to stderr.

--debug

Draw some diagnostic rectangles.

--wireframe

Another debug mode.

Environment

DISPLAY

to get the default host and display number.

XENVIRONMENT

to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

XSCREENSAVER_WINDOW

The window ID to use with --root.