vidwhacker6

Usage

Overview

Distorts an image using a random series of filters: edge detection, subtracting the image from a rotated version of itself, etc.

Selection of random image files is done by running the xscreensaver-getimage-file(6) program. Capture of video frames (if requested) is done by running the xscreensaver-getimage-video(6) program.

Options

vidwhacker accepts the following options:

--root

Draw on the root window. This is the default.

--window-id number

Draw on the specified window.

--verbose

Print diagnostics.

--stdin

Instead of grabbing an image from disk or video, read an image to manipulate from stdin. This image must be in ppm(5) format. The program will still perform repeated random image transformations, but it will always use this one image as its starting point.

--delay seconds

How long to sleep between images. Default 5 seconds (the actual elapsed time is significantly longer, due to processing time.)

--stdout

Instead of displaying the image on a window or on the root, write the new image on stdout, and exit.

--directory directory

Use this directory instead of the imageDirectory specified in the ~/.xscreensaver file.

--fps

Display the current frame rate and CPU load.

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.