| 1 | .TH XScreenSaver 1 "05-Apr-1999" "X Version 11" |
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| 2 | .SH NAME |
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| 3 | decayscreen - make a screen meltdown. |
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| 4 | .SH SYNOPSIS |
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| 5 | .B decayscreen |
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| 6 | [\-display \fIhost:display.screen\fP] [\-window] [\-root] [\-mono] [\-install] |
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| 7 | [\-visual \fIvisual\fP] [\-delay \fIusecs\fP] [\-mode \fImode\fP] |
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| 8 | .SH DESCRIPTION |
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| 9 | The \fIdecayscreen\fP program creates a melting effect by randomly |
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| 10 | shifting rectangles around the screen. |
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| 11 | |
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| 12 | The image that it manipulates will be grabbed from the portion of |
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| 13 | the screen underlying the window, or from the system's video input, |
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| 14 | or from a random file on disk, as indicated by |
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| 15 | the \fIgrabDesktopImages\fP, \fIgrabVideoFrames\fP, |
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| 16 | and \fIchooseRandomImages\fP options in the \fI~/.xscreensaver\fP |
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| 17 | file; see |
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| 18 | .BR xscreensaver-demo (1) |
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| 19 | for more details. |
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| 20 | .SH OPTIONS |
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| 21 | .I decayscreen |
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| 22 | accepts the following options: |
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| 23 | .TP 8 |
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| 24 | .B \-window |
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| 25 | Draw on a newly-created window. This is the default. |
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| 26 | .TP 8 |
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| 27 | .B \-root |
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| 28 | Draw on the root window. |
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| 29 | .TP 8 |
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| 30 | .B \-mono |
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| 31 | If on a color display, pretend we're on a monochrome display. |
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| 32 | .TP 8 |
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| 33 | .B \-install |
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| 34 | Install a private colormap for the window. |
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| 35 | .TP 8 |
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| 36 | .B \-visual \fIvisual\fP |
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| 37 | Specify which visual to use. Legal values are the name of a visual class, |
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| 38 | or the id number (decimal or hex) of a specific visual. |
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| 39 | .TP 8 |
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| 40 | .B \-delay \fImicroseconds\fP |
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| 41 | Slow it down. |
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| 42 | .TP 8 |
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| 43 | .B \-mode \fImode\fP |
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| 44 | The direction in which the image should tend to slide. Legal values are |
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| 45 | \fIrandom\fP (meaning pick one), \fIup\fP, \fIleft\fP, \fIright\fP, |
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| 46 | \fIdown\fP, \fIupleft\fP, \fIdownleft\fP, \fIupright\fP, \fIdownright\fP, |
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| 47 | \fIshuffle\fP (meaning perfer no particular direction), \fIin\fP (meaning |
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| 48 | move things toward the center), \fIout\fP (meaning move things away |
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| 49 | from the center), \fImelt\fP (meaning melt straight |
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| 50 | downward), \fIstretch\fP (meaning stretch the screen downward), |
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| 51 | and \fIfuzz\fP (meaning go blurry instead of melty). |
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| 52 | .SH ENVIRONMENT |
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| 53 | .PP |
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| 54 | .TP 8 |
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| 55 | .B DISPLAY |
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| 56 | to get the default host and display number. |
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| 57 | .TP 8 |
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| 58 | .B XENVIRONMENT |
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| 59 | to get the name of a resource file that overrides the global resources |
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| 60 | stored in the RESOURCE_MANAGER property. |
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| 61 | .SH "SEE ALSO" |
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| 62 | .BR X (1), |
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| 63 | .BR xscreensaver (1), |
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| 64 | .BR xscreensaver\-demo (1), |
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| 65 | .BR xscreensaver\-getimage (1) |
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| 66 | .SH COPYRIGHT |
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| 67 | Copyright 1992 by Vivek Khera. Permission to use, copy, modify, distribute, |
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| 68 | and sell this software and its documentation for any purpose is hereby granted |
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| 69 | without fee, provided that the above copyright notice appear in all copies and |
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| 70 | that both that copyright notice and this permission notice appear in |
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| 71 | supporting documentation. No representations are made about the suitability |
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| 72 | of this software for any purpose. It is provided "as is" without express or |
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| 73 | implied warranty. |
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| 74 | .SH AUTHOR |
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| 75 | Vivek Khera <khera@cs.duke.edu>, 05-Aug-93; based on code by David Wald, 1988. |
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| 76 | Modified by jwz, 28-Nov-1997. |
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| 77 | Modified by Rick Schultz <rick@skapunx.net> 05-Apr-1999. |
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| 78 | Modified by Vince Levey <vincel@vincel.org> 25-Oct-2001. |
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