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xmag(1X)
X11R6
NAME
xmag - magnify parts of the screen
SYNOPSIS
xmag [-mag magfactor] [-source geom] [-toolkitoption...]
OPTIONS
-source geom
This option specifies the size and/or location of the source region
on the screen. By default, a 64x64 square is provided for the user
to select an area of the screen.
-mag integer
This option indicates the magnification to be used. 5 is the
default.
DESCRIPTION
The xmag program allows you to magnify portions of an X screen. The
magnification occurs on the screen specified by the $DISPLAY environmental
variable or by the -display command line option regardless of location of
the mouse pointer in a multi-screen display. If no explicit region is
specified, a square with the pointer in the upper left corner is displayed
indicating the area to be enlarged. The area can be dragged out to the
desired size by pressing Button 2. Once a region has been selected, a
window is popped up showing a blown up version of the region in which each
pixel in the source image is represented by a small square of the same
color. Pressing Button1 in the enlargement window shows the position and
RGB value of the pixel under the pointer until the button is released.
Typing "Q" or "^C" in the enlargement window exits the program. The
application has 5 buttons across its top. Close deletes this particular
magnification instance. Replace brings up the rubber band selector again
to select another region for this magnification instance. New brings up
the rubber band selector to create a new magnification instance. Cut puts
the magnification image into the primary selection. Paste copies the
primary selection buffer into xmag. Note that you can cut and paste between
xmag and the bitmap program. Resizing xmag resizes the magnification area.
xmag preserves the colormap, visual, and window depth of the source.
WIDGETS
xmag uses the X Toolkit and the Athena Widget Set. The magnified image is
displayed in the Scale widget. For more information, see the Athena Widget
Set documentation. Below is the widget structure of the xmag application.
Indentation indicates hierarchical structure. The widget class name is
given first, followed by the widget instance name.
Xmag xmag
RootWindow root
TopLevelShell xmag
Paned pane1
Paned pane2
Command close
Command replace
Command new
Command select
Command paste
Label xmag label
Paned pane2
Scale scale
OverrideShell pixShell
Label pixLabel
AUTHORS
Dave Sternlicht and Davor Matic, MIT X Consortium.
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