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magnifier

NAME

magnifier − GNOME Magnifier (gnome-mag)

SYNOPSIS

magnifier [-vhmif?] [-t|--target-display STRING] [-s|--source-display STRING] [--cursor-set=STRING] [--cursor-size=INT] [--cursor-scale-factor=FLOAT] [--cursor-color=LONG] [-v|--vertical] [-h|--horizontal] [-m|--mouse-follow] [-r|--refresh-time INT] [--mouse-latency=INT] [-z|--zoom-factor FLOAT] [-i|--invert-image] [--no-initial-region] [--timing-iterations=INT] [--timing-output] [--timing-pan-rate=INT] [--timing-delta-x=INT] [--timing-delta-y=INT] [--smoothing-type=STRING] [-f|--fullscreen] [--smooth-scrolling] [-b|--border-size INT] [-c|--border-color LONG] [--use-test-pattern] [--override-redirect] [--ignore-damage] [-?|--help] [--usage]

AVAILABILITY

The GNOME magnifier (gnome-mag) provides a command-line interface for standalone use, although its primary goal is to provide a set of magnification services for use by other client applications and assistive technologies, like Gnopernicus, Orca or LSR.

This magnifier is compatible with operating systems using X Window System, although the magnifier will have a better performance and functionality when the Damage and Fixes extensions are present.

DESCRIPTION

A desktop screen magnifier. If present, the Region Of Interest (ROI) for the magnifier can be driven by a screen reader via the Assistive Technology Service Provider Interface (ATSPI); otherwise, the magnifier will be centered to the pointer position.

OPTIONS

−t, −-target-display=STRING

specify display on which to show magnified view

−s, −-source-display=STRING

specify display to magnify

−-cursor-set=STRING

cursor set to use in target display

−-cursor-size=INT

cursor size to use (overrides cursor-scale-factor)

−-cursor-scale-factor=FLOAT

cursor scale factor

−-cursor-color=LONG

cursor color (applied to ’black’ pixels

−v, −vertical

split screen vertically (if target display = source display)

−h, −-horizontal

split screen horizontally (if target display = source display)

−m, −-mouse-follow

track mouse movements

−r, −-refresh-time=INT

minimum refresh time for idle, in ms

−-mouse-latency=INT

maximum mouse latency time, in ms

−z, −-zoom-factor=FLOAT

zoom (scale) factor used to magnify source display

−i, --invert-image

invert the image colormap

−-no-initial-region

don’t create an initial zoom region

−-timing-iterations=INT

iterations to run timing benchmark test (0=continuous)

−-timing-output

display performance ouput

−-timing-pan-rate=INT

timing pan rate in lines per frame

−-timing-delta-x=INT

pixels to pan in x-dimension each frame in timing update test

−-timing-delta-y=INT

pixels to pan in y-dimension each frame in timing update test

−-smoothing-type=STRING

image smoothing algorithm to apply (bilinear-interpolation | none)

−f, −-fullscreen

fullscreen magnification, covers entire target display [REQUIRES −-source-display and --target-display]

−-smooth-scrolling

use smooth scrolling

−b, −-border-size=INT

width of border

−c, −-border-color=LONG

border color specified as (A)RGB 23-bit value, Alpha-MSB

−-use-test-pattern

use test pattern as source

−-override-redirect

make the magnifier window totally unmanaged by the window manager

−-ignore-damage

ignore the X server DAMAGE extension, if present

−?, −-help

command line help

−-usage

command line synopsis

FILES

/usr/share/gnome-mag/1_32/*.xpm
/usr/lib/bonobo/servers/GNOME_Magnifier.server
/usr/lib/libgnome-mag.so.2

BUGS

See http://bugs.gnome.org

AUTHORS

Erwann Chenede <erwann DOT chenede AT sun DOT com>
Bill Haneman <bill DOT haneman AT sun DOT com>

LICENSE

Licensed under the GNU Lesser Public License (LGPL) v2.1

SEE ALSO

gnopernicus(1), orca(1), lsr(1), Bonobo, Assistive Technology Service Provider Interface (AT-SPI)

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