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Annotated edit history of phosphor(1) version 5, including all changes. View license author blame.
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1 perry 1 XScreenSaver
2 !!!XScreenSaver
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 OPTIONS
7 ENVIRONMENT
8 SEE ALSO
9 COPYRIGHT
10 AUTHOR
11 ----
12 !!NAME
13
14
15 phosphor - simulates an old terminal with long-sustain phosphor
16 !!SYNOPSIS
17
18
19 __phosphor__ [[-display ''host:display.screen'']
20 [[-window] [[-root] [[-install] [[-visual ''visual''] [[-font
21 ''font''] [[-scale ''int''] [[-ticks ''int''] [[-delay
22 ''usecs''] [[-program ''command'']
23 !!DESCRIPTION
24
25
26 The ''phosphor'' program draws text on the screen in a
27 very large pixellated font that looks like an old low
28 resolution dumb tty. The pixels flare and fade out as if the
29 phosphor was very long-sustain.
30 !!OPTIONS
31
32
33 ''phosphor'' accepts the following options:
34
35
36 __-window__
37
38
39 Draw on a newly-created window. This is the
40 default.
41
42
43 __-root__
44
45
46 Draw on the root window.
47
48
49 __-install__
50
51
52 Install a private colormap for the window.
53
54
55 __-visual__ ''visual''
56
57
58 Specify which visual to use. Legal values are the name of a
59 visual class, or the id number (decimal or hex) of a
60 specific visual.
61
62
63 __-font__ ''font-name''
64
65
66 The X font to use. Phosphor can take any font and scale it
67 up to pixellate it. The default is
68 ''fixed''.
69
70
71 __-scale__ ''int''
72
73
74 How much to scale the font up: in other words, the size in
75 real pixels of the simulated pixels. Default 6.
76
77
78 __-ticks__ ''int''
79
80
81 The number of colors to use when fading to black. Default
82 20.
83
84
85 __-delay__ ''usecs''
86
87
88 The speed of the terminal: how long to wait between drawing
89 each character. Default 50000, or about 1/20th
90 second.
91
92
93 __-program__ ''sh-command''
94
95
96 The command to run to generate the text to display. This
97 option may be any string acceptable to /bin/sh. The program
98 will be run at the end of a pipe, and any characters that it
99 prints to ''stdout'' will be printed on phosphor's
100 window. The characters will be printed artificially slowly,
101 as per the ''-delay'' option above. If the program exits,
102 it will be launched again after 5 seconds.
103
104
105 Note that phosphor is ''not'' a terminal emulator:
106 programs that try to directly address the screen will not do
107 what you might expect. Phosphor merely draws the characters
108 on the screen left to right, top to bottom. Lines wrap when
109 they reach the right edge, and the screen scrolls when
110 characters reach the bottom.
111
112
5 JohnMcPherson 113 In other words, programs like fortune(6) will work,
1 perry 114 but programs like top(1) won't.
115
116
117 Here's a good trick, to get phosphor to display recent web
118 search terms:
119
120
121 phosphor -program \
3 perry 122 'wget -qO- http://webcrawler.com/cgi-bin/!SearchTicker'
1 perry 123 !!ENVIRONMENT
124
125
126 __DISPLAY__
127
128
129 to get the default host and display number.
130
131
132 __XENVIRONMENT__
133
134
135 to get the name of a resource file that overrides the global
136 resources stored in the RESOURCE_MANAGER
137 property.
138 !!SEE ALSO
139
140
4 perry 141 wget(1), X(1),
1 perry 142 xscreensaver(1)
143 !!COPYRIGHT
144
145
146 Copyright 1999 by Jamie Zawinski. Permission to use, copy,
147 modify, distribute, and sell this software and its
148 documentation for any purpose is hereby granted without fee,
149 provided that the above copyright notice appear in all
150 copies and that both that copyright notice and this
151 permission notice appear in supporting documentation. No
152 representations are made about the suitability of this
153 software for any purpose. It is provided
154 !!AUTHOR
155
156
157 Jamie Zawinski
158 ----
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