1 .TH XScreenSaver 1 "10-Oct-03" "X Version 11"
3 xanalogtv - Simulate reception on an old analog TV set
6 [\-display \fIhost:display.screen\fP] [\-window] [\-root] [\-install]
7 [\-visual \fIvisual\fP]
11 shows a simulation of an old TV set showing test patterns and any
12 other images you have provided. It reproduces a wide range of TV
13 reception bummage: snow, bloom, ghosting, and loss of vertical and
14 horizontal sync. It also simulates the TV warming up. It will cycle
15 through 12 channels, some with images you give it, and some with color
16 bars or nothing but static.
18 The images that it uses will be grabbed from the portion of the screen
19 underlying the window, or from the system's video input, or from a
20 random file on disk, as indicated by the \fIgrabDesktopImages\fP,
21 \fIgrabVideoFrames\fP, and \fIchooseRandomImages\fP options in the
22 \fI~/.xscreensaver\fP file; see
23 .BR xscreensaver-demo (1)
24 for more details. It looks best with a video input or
25 your digital photo collection.
29 accepts the following options:
32 Draw on a newly-created window. This is the default.
35 Draw on the root window.
38 Install a private colormap for the window.
40 .B \-visual \fIvisual\fP
41 Specify which visual to use. Legal values are the name of a visual class,
42 or the id number (decimal or hex) of a specific visual.
45 Cycle through all the available modes. This is the default.
53 to get the default host and display number.
56 to get the name of a resource file that overrides the global resources
57 stored in the RESOURCE_MANAGER property.
59 Notable X resources supported include the following which correspond
60 to standard TV controls:
63 .BR analogTVBrightness ,
65 .BR analogTVContrast .
66 They range from 0 to 100, except for tint which is an angle
67 between -180 and +180.
75 .BR xscreensaver\-demo (1),
76 .BR xscreensaver\-getimage (1)
78 Copyright \(co 2003 by Trevor Blackwell. Permission to use, copy, modify,
79 distribute, and sell this software and its documentation for any purpose is
80 hereby granted without fee, provided that the above copyright notice appear
81 in all copies and that both that copyright notice and this permission notice
82 appear in supporting documentation. No representations are made about the
83 suitability of this software for any purpose. It is provided "as is" without
84 express or implied warranty.
86 Trevor Blackwell <tlb@tlb.org>