X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?p=xscreensaver;a=blobdiff_plain;f=hacks%2Fslidescreen.man;h=67520d2f92c6d3973faf1bc0e9a4a8db2f6b48c7;hp=a3e9d902f5fc65aeff5ad9a978dc1c443d8c0251;hb=585e1a6717d1dd9b90fbb53acaaae82106354d33;hpb=82c5080773aae5e72ec155327c075775e023d2ee diff --git a/hacks/slidescreen.man b/hacks/slidescreen.man index a3e9d902..67520d2f 100644 --- a/hacks/slidescreen.man +++ b/hacks/slidescreen.man @@ -3,11 +3,23 @@ slidescreen - permute the screen image like an 8-puzzle .SH SYNOPSIS .B slidescreen -[\-display \fIhost:display.screen\fP] [\-background \fIcolor\fP] [\-grid-size \fIpixels\fP] [\-ibw \fIpixels\fP] [\-increment \fIpixels\fP] [\-delay \fIusecs\fP] [\-delay2 \fIusecs\fP] [\-window] [\-root] [\-install] [\-visual \fIvisual\fP] +[\-display \fIhost:display.screen\fP] [\-background \fIcolor\fP] +[\-grid-size \fIpixels\fP] [\-ibw \fIpixels\fP] [\-increment \fIpixels\fP] +[\-delay \fIusecs\fP] [\-delay2 \fIusecs\fP] +[\-window] [\-root] [\-install] [\-visual \fIvisual\fP] .SH DESCRIPTION -The \fIslidescreen\fP program takes an image of the screen, divides it into +The \fIslidescreen\fP 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 \fIgrabDesktopImages\fP, \fIgrabVideoFrames\fP, +and \fIchooseRandomImages\fP options in the \fI~/.xscreensaver\fP +file; see +.BR xscreensaver-demo (1) +for more details. .SH OPTIONS .I slidescreen accepts the following options: @@ -44,30 +56,6 @@ is closely related to the \fI\-increment\fP parameter. 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. -.SH RESOURCES -On some systems (currently, only SGIs), this program can, instead of grabbing -a desktop image, grab a frame of video from an external camera and manipulate -that instead. The following resources control that. -.PP -.TP 8 -.B grabVideoProbability \fR(Float)\fP -What portion of the time to grab video rather than a screen image, -between 0.0 and 1.0. Defaults to 0.5, or half the time. -.TP 8 -.B videoDevice \fR(Integer)\fP -The number of the default video input device to check first. If unspecified, -the default camera (from videopanel(1)) will be checked first. After that, all -other available video input devices will be checked in order. - -The first one which produces a non-black image will be used. If all images -are black, the others will be re-checked a few times before giving up and -falling back to simply grabbing a desktop image (but note that this takes a -few seconds, so if you don't actually have any video sources hooked up, you -should consider turning off video grabbing by setting -\fBgrabVideoProbability\fP to 0.0.) -.TP 8 -.B videoGain \fR(Float)\fP -The amount by which to brighten the grabbed image. This defaults to 2.2. .SH ENVIRONMENT .PP .TP 8 @@ -79,7 +67,9 @@ to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property. .SH SEE ALSO .BR X (1), -.BR xscreensaver (1) +.BR xscreensaver (1), +.BR xscreensaver\-demo (1), +.BR xscreensaver\-getimage (1) .SH COPYRIGHT Copyright \(co 1992 by Jamie Zawinski. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is