X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=local%2Fman%2Fman.1%2Fslidescreen.1;h=a3e9d902f5fc65aeff5ad9a978dc1c443d8c0251;hb=41fae2ad67bc37e31c4d967bae81e4f3f50fa55a;hp=3d03dc50a195316b09fa6df0bca66096f755953b;hpb=3ee611d60b5c560208c27e83b0c4930596fddd8b;p=xscreensaver diff --git a/local/man/man.1/slidescreen.1 b/local/man/man.1/slidescreen.1 index 3d03dc50..a3e9d902 100644 --- a/local/man/man.1/slidescreen.1 +++ b/local/man/man.1/slidescreen.1 @@ -1,4 +1,4 @@ -.TH XScreenSaver 1 "3-dec-92" "X Version 11" +.TH XScreenSaver 1 "24-Nov-97" "X Version 11" .SH NAME slidescreen - permute the screen image like an 8-puzzle .SH SYNOPSIS @@ -43,7 +43,31 @@ is closely related to the \fI\-increment\fP parameter. .B \-delay \fImicroseconds\fP 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 isone second. +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 @@ -65,4 +89,4 @@ 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. .SH AUTHOR -Jamie Zawinski , 3-dec-92. +Jamie Zawinski , 3-dec-92.