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OpenSolaris 2009.06 - man page for magnifier (opensolaris section 1)

magnifier(1)				  User Commands 			     magnifier(1)

NAME
       magnifier - standalone magnification service for GNOME

SYNOPSIS
       magnifier  --fullscreen	|  --horizontal  |  --vertical	[--border-color=long]  [--border-
       size=int]   [--cursor-color=long]   [--cursor-scale-factor=float]    [--cursor-set=string]
       [--cursor-size=int]   [--help]	[--invert-image]  [--mouse-follow]  [--mouse-latency=int]
       [--no-initial-region]  [--override-redirect]   [--refresh-time=int]   [--smooth-scrolling]
       [--smoothing-type=string]  [--source-display=string]  [--target-display=string] [--timing-
       delta-x=int] [--timing-delta-y=int] [--timing-iterations=int] [--timing-output] [--timing-
       pan-rate=int] [--usage] [--use-test-pattern] [--zoom-factor=float]

DESCRIPTION
       magnifier provides a simple fullscreen or splitscreen magnifier for GNOME.

       magnifier also provides a magnification service API for use by assistive technologies such
       as orca, and is more commonly used in this service mode.

OPTIONS
       The following options are supported:

       --border-color=long     Specify the border color as (A)RGB 23-bit  value,  Alpha-MSB.  You
			       can also use -c to specify this option.

       --border-size=int       Specify	the  width  of the border. You can also use -b to specify
			       this option.

       --cursor-color=long     Specify the cursor color, applied to 'black'pixels.

       --cursor-scale-f=float  Specify the cursor scale factor.

       --cursor-set=string     Specify the cursor set touse in the target display.

       --cursor-size=int       Specify the cursor size to use. This option overrides  the  --cur-
			       sor-scale-factor option.

       --fullscreen	       Specify	fullscreen  magnification, which covers the entire target
			       display. If you specify this option, you  must  also  specify  the
			       --source-display  and  --target-display options.  You can also use
			       -f to specify this option.

       --help		       Display help message. You can also use -? to specify this option.

       --horizontal	       Split the screen horizontally, if the target display is	the  same
			       as the source display. You can also use -h to specify this option.

       --invert-image	       Invert  the  image  colormap.  You can also use -i to specify this
			       option.

       --mouse-follow	       Track mouse movements. You can also use -m to specify this option.

       --mouse-latency=int     Specify the maximum mouse latency time, in ms.

       --no-initial-region     Do not create an initial zoom region.

       --override-redirect     Make the magnifier window completely unmanaged by the window  man-
			       ager.

       --refresh-time=int      Specify the minimum refresh time for idle, in ms. You can also use
			       -r to specify this option.

       --smooth-scrolling      Use smooth scrolling.

       --smoothing-type=string Specify the image smoothing algorithm to apply:	either	bilinear-
			       interpolation or none.

       --source-display=string Specify	the  display  to  magnify. You can also use -s to specify
			       this option.

       --target-display=string Specify the display on which to show the magnifie  view.  You  can
			       also use -t to specify this option.

       --timing-delta-x=int    Specify	the number of pixels to pan in the x-dimension each frame
			       in the timing update test.

       --timing-delta-y=int    Specify the number of pixels to pan in the y-dimension each  frame
			       in the timing update test.

       --timing-iterations=int Specify	the number of iterations to run the timing benchmark test
			       (0=continuous)

       --timing-output	       Display performance output.

       --timing-pan-rate=int   Specify the timing pan rate in lines per frame.

       --usage		       Display a brief usage message.

       --use-test-pattern      Use the test pattern as the source.

       --vertical	       Split the screen vertically, if the target display is the same  as
			       the source display. You can also use -v to specify this option.

       --zoom-factor=float     Specify	the  zoom (scale) factor used to mag-nify the source dis-
			       play. You can also use -z to specify this option.

EXTENDED DESCRIPTION
       magnifier provides a simple screen magnification utility for GNOME,  offering  splitscreen
       or fullscreen magnification. You should specify one of the following options: -v (vertical
       splitscreen magnification), -h (horizontal splitscreen mag-nification), or -f  (fullscreen
       magnification).	If  fullscreen magnification is specified, the source and target displays
       must also be specified.

       Note that fullscreen magnification requires that two separate X server  graphical  screens
       are  available.	The  source  display can be virtual, that is, not connected to a physical
       graphics subsystem. The target display must be connected to  a  physical  display  device.
       Source and target displays are of the following form:

       [hostname]:server_number.screen_number

       Most  users of magnifier in standalone mode specify the -m option, which causes the magni-
       fied region to be continually recentered on the onscreen pointer position  in  the  source
       display.

       magnifier  capabilities include recoloring the mouse pointer, specifying the magnification
       factor for source to target conversion,	separate  magnification  factors  for  the  mouse
       pointer, and whether or not to apply smoothing or averaging to the resized image.

EXAMPLES
       Example	1:  Displaying	a  Fullscreen  Magnified Image of Screen ":0.0" on Target Display
       ":0.1", at a Magnification Factor of 3.5, With Mouse Tracking:

       example% magnifier -f -m -s:0.0 -t:0.1 -z3.5

       Example 2: Displaying a Vertical Splitscreen Magnified Image on the Default Display,  With
       a  Scale  Factor  of 4 and a Horizontal Scale Factor of 3, Using Bilinear Interpolation to
       Smooth Resulting Image

       example% magnifier -v -m -z 4 --cursor-scale-factor=3 --smoothing-type=bilinear-interpolation

ENVIRONMENT VARIABLES
       magnifier uses $DISPLAY if the source or target displays are unspecified at startup.

FILES
       The following files are used by this application:

       /usr/bin/magnifier      Executable for standalone magnification service for GNOME

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-a11y-reader	   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       Latest version of the GNOME Accessibility Guide for your platform.

       orca(1), libatk-1.0(3), libcspi(3), attributes(5)

NOTES
       If you need fullscreen magnification due to visual difficulties, you  might  benefit  from
       using a full-featured assistive technology such as orca instead.

       Written by Bill Haneman, Sun Microsystems Inc., 2004.

SunOS 5.11				    7 Aug 2008				     magnifier(1)


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