1 .TH XScreenSaver 1 "20-Nov-2000" "X Version 11"
3 zoom - wander around magified desktop
6 [\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-delay \fIusecs\fP] [\-lenses] [\-pixwidth \fIpixels\fP] [\-pixheight \fIpixels\fP] [\-pixspacex \fIpixels\fP] [\-pixspacey \fIpixels\fP] [\-lensoffsetx \fIpixels\fP] [\-lensoffsety \fIpixels\fP]
8 The \fIzoom\fP program magnifies a portion of the desktop and moves around.
11 accepts the following options:
14 Draw on a newly-created window. This is the default.
17 Draw on the root window.
20 If on a color display, pretend we're on a monochrome display.
23 Install a private colormap for the window.
25 .B \-visual \fIvisual\fP
26 Specify which visual to use. Legal values are the name of a visual class,
27 or the id number (decimal or hex) of a specific visual.
29 .B \-delay \fImicroseconds\fP
33 Instead of doing magnification we just copy an offset region from the original
34 image. If lensoffsetx < pixwidth (and similarly for Y) then consecutive
35 regions will overlap, giving the effect of looking through an array of
38 .B \-pixwidth \fIpixels\fP
39 Width of the magnified pixels.
41 .B \-pixheight \fIpixels\fP
42 Height of the magnified pixels.
44 .B \-pixspacex \fIpixels\fP
45 Amount of black space between magnified pixels (X direction).
47 .B \-pixspacey \fIpixels\fP
48 Amount of black space between magnified pixels (Y direction).
50 .B \-lensoffsetx \fIpixels\fP
51 Distance in X direction between consective copied regions (only effective
56 .B \-lensoffsety \fIpixels\fP
57 Distance in Y direction between consective copied regions (only effective
66 to get the default host and display number.
69 to get the name of a resource file that overrides the global resources
70 stored in the RESOURCE_MANAGER property.
75 Copyright \(co 2000 by James Macnicol. Permission to use, copy, modify,
76 distribute, and sell this software and its documentation for any purpose is
77 hereby granted without fee, provided that the above copyright notice appear
78 in all copies and that both that copyright notice and this permission notice
79 appear in supporting documentation. No representations are made about the
80 suitability of this software for any purpose. It is provided "as is" without
81 express or implied warranty.
83 James Macnicol <james.macnicol@mailexcite.com>, 20-Nov-2000. Much code was
84 shamelessly stolen from the
86 hack and a few others.