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RedHat 9 (Linux i386) - man page for slidescreen (redhat section 1)

XScreenSaver(1) 					      General Commands Manual						   XScreenSaver(1)

slidescreen - permute the screen image like an 8-puzzle
slidescreen [-display host:display.screen] [-background color] [-grid-size pixels] [-ibw pixels] [-increment pixels] [-delay usecs] [-delay2 usecs] [-window] [-root] [-install] [-visual visual]
The slidescreen program takes an image, divides it into a grid, deletes a random square of that grid, and then randomly slides one of the neighbors of this "hole" into the hole (and repeat.) The image that it manipulates will be grabbed from the portion of the screen underlying the window, or from the system's video input, or from a random file on disk, as indicated by the grabDesktopImages, grabVideoFrames, and chooseRandomImages options in the ~/.xscreensaver file; see xscreensaver-demo(1) for more details.
slidescreen accepts the following options: -window Draw on a newly-created window. This is the default. -root Draw on the root window. -install Install a private colormap for the window. -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. -grid-size pixels The size of the grid cells. Default 70 pixels. -ibw pixels The size of the "gutter" between grid cells. Default 1 pixel. -increment pixels How many pixels by which a piece should be moved when sliding to a new location. Default 10 pixels. -delay microseconds How much of a delay should be introduced between steps of the animation of the motion of each segment. Default 50000, which is 0.05 seconds. This is closely related to the -increment parameter. -delay microseconds How much of a delay should be introduced between the end of the motion of one segment and the beginning of the motion of another. Default 1000000, which is one second.
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.
X(1), xscreensaver(1), xscreensaver-demo(1), xscreensaver-getimage(1)
Copyright (C) 1992 by Jamie Zawinski. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.
Jamie Zawinski <>, 3-dec-92. X Version 11 24-Nov-97 XScreenSaver(1)