4 XScreenSaver(1) XScreenSaver(1)
8 vidwhacker - grab images and apply random filters to them
10 S
\bSY
\bYN
\bNO
\bOP
\bPS
\bSI
\bIS
\bS
11 v
\bvi
\bid
\bdw
\bwh
\bha
\bac
\bck
\bke
\ber
\br [-display _
\bh_
\bo_
\bs_
\bt_
\b:_
\bd_
\bi_
\bs_
\bp_
\bl_
\ba_
\by_
\b._
\bs_
\bc_
\br_
\be_
\be_
\bn] [-root] [-win-
12 dow] [-verbose] [-stdin] [-stdout] [-delay seconds]
14 D
\bDE
\bES
\bSC
\bCR
\bRI
\bIP
\bPT
\bTI
\bIO
\bON
\bN
15 The _
\bv_
\bi_
\bd_
\bw_
\bh_
\ba_
\bc_
\bk_
\be_
\br program grabs a image from the system's
16 video input, applies random image filters to it, and dis-
17 plays the result. The _
\bv_
\bi_
\bd_
\bw_
\bh_
\ba_
\bc_
\bk_
\be_
\br program does not termi-
18 nate until killed. It depends heavily on x
\bxv
\bv(1) and the
19 various PBM tools (e.g., p
\bpp
\bpm
\bmr
\bre
\bel
\bli
\bie
\bef
\bf(1).)
21 O
\bOP
\bPT
\bTI
\bIO
\bON
\bNS
\bS
22 _
\bv_
\bi_
\bd_
\bw_
\bh_
\ba_
\bc_
\bk_
\be_
\br accepts the following options:
24 -
\b-r
\bro
\boo
\bot
\bt Draw on the root window.
26 -
\b-w
\bwi
\bin
\bnd
\bdo
\bow
\bw Pop up a new window displaying the image. When a
27 new image has been fully processed, destroy that
28 window and pop up a new one. This is the default.
30 -
\b-v
\bve
\ber
\brb
\bbo
\bos
\bse
\be
33 -
\b-s
\bst
\btd
\bdi
\bin
\bn Instead of grabbing an image from the system's
34 video input, read an image to maniupulate from
35 stdin. This image must be in
37 -
\b-d
\bde
\bel
\bla
\bay
\by _
\bs_
\be_
\bc_
\bo_
\bn_
\bd_
\bs
38 How long to sleep between images. Default 3 sec-
39 onds (the actual elapsed time is significantly
40 longer, due to processing time.) p
\bpp
\bpm
\bm(5) format.
41 The program will still perform repeated random
42 image transformations, but it will always use this
43 one image as its starting point.
45 -
\b-s
\bst
\btd
\bdo
\bou
\but
\bt Instead of displaying the image on a window or on
46 the root, write the new image on stdout, and exit.
48 E
\bEN
\bNV
\bVI
\bIR
\bRO
\bON
\bNM
\bME
\bEN
\bNT
\bT
49 D
\bDI
\bIS
\bSP
\bPL
\bLA
\bAY
\bY to get the default host and display number.
51 X
\bXE
\bEN
\bNV
\bVI
\bIR
\bRO
\bON
\bNM
\bME
\bEN
\bNT
\bT
52 to get the name of a resource file that overrides
53 the global resources stored in the RESOURCE_MAN-
57 Grabbing video images is, of course, very system-depen-
58 dent. It works on SGIs, and on Linux systems that have
59 the q
\bqc
\bca
\bam
\bm(1) program. If your system does things differ-
60 ently, you'll need to edit the vidwhacker script (look for
64 X Version 11 17-Jun-99 1
70 XScreenSaver(1) XScreenSaver(1)
73 the _
\bg_
\br_
\ba_
\bb_
\b(_
\b) function.)
78 It might be interesting to rewrite this to use g
\bgi
\bim
\bmp
\bp(1)
79 plugins instead of the pbm tools. It probably wouldn't be
80 any faster, but there would be a wider variety of effects
83 S
\bSE
\bEE
\bE A
\bAL
\bLS
\bSO
\bO
84 X
\bX(1), x
\bxs
\bsc
\bcr
\bre
\bee
\ben
\bns
\bsa
\bav
\bve
\ber
\br(1), x
\bxv
\bv(1), p
\bpp
\bpm
\bmt
\bto
\bog
\bgi
\bif
\bf(1), c
\bcj
\bjp
\bpe
\beg
\bg(1)
86 C
\bCO
\bOP
\bPY
\bYR
\bRI
\bIG
\bGH
\bHT
\bT
87 Copyright (C) 1998, 1999 by Jamie Zawinski. Permission to
88 use, copy, modify, distribute, and sell this software and
89 its documentation for any purpose is hereby granted with-
90 out fee, provided that the above copyright notice appear
91 in all copies and that both that copyright notice and this
92 permission notice appear in supporting documentation. No
93 representations are made about the suitability of this
94 software for any purpose. It is provided "as is" without
95 express or implied warranty.
97 A
\bAU
\bUT
\bTH
\bHO
\bOR
\bR
98 Jamie Zawinski <jwz@jwz.org>, 18-Jan-98.
130 X Version 11 17-Jun-99 2