Penguin

XScreenSaver

XScreenSaver

NAME SYNOPSIS DESCRIPTION OPTIONS ENVIRONMENT SEE ALSO COPYRIGHT AUTHOR


NAME

zoom - wander around magified desktop

SYNOPSIS

zoom display.screen''? [-foreground ''color''? [-background ''color''? [-window? [-root? [-mono? [-install? [-visual ''visual''? [-delay ''usecs''? [-lenses? [-pixwidth ''pixels''? [-pixheight ''pixels''? [-pixspacex ''pixels''? [-pixspacey ''pixels''? [-lensoffsetx ''pixels''? [-lensoffsety ''pixels''?

DESCRIPTION

The zoom program takes an image, magnifies it, and scrolls around it, fatbits-style.

The image that it manipulates will be grabbed from the portion of the screen underlying the window, or from the system's video input, or from a random file on disk, as indicated by the grabDesktopImages, grabVideoFrames, and chooseRandomImages options in the /.xscreensaver file; see xscreensaver-demo(1) for more details.

OPTIONS

zoom accepts the following options:

-window

Draw on a newly-created window. This is the default.

-root

Draw on the root window.

-mono

If on a color display, pretend we're on a monochrome display.

-install

Install a private colormap for the window.

-visual visual

Specify which visual to use. Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.

-delay microseconds

Slow it down.

-lenses

Instead of doing magnification we just copy an offset region from the original image. If lensoffsetx

-pixwidth pixels

Width of the magnified pixels.

-pixheight pixels

Height of the magnified pixels.

-pixspacex pixels

Amount of black space between magnified pixels (X direction).

-pixspacey pixels

Amount of black space between magnified pixels (Y direction).

-lensoffsetx pixels

Distance in X direction between consective copied regions (only effective when -lenses used).

-lensoffsety pixels

Distance in Y direction between consective copied regions (only effective when -lenses used).

ENVIRONMENT

DISPLAY

to get the default host and display number.

XENVIRONMENT

to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

SEE ALSO

X(1), xscreensaver(1), xscreensaver-demo(1), xscreensaver-getimage(1)

COPYRIGHT

Copyright 2000 by James Macnicol. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. No representations are made about the suitability of this software for any purpose. It is provided

AUTHOR

James Macnicol spotlight__ hack and a few others.


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