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xmag.0
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NAME
xmag - magnify parts of the screen
SYNOPSIS
xmag [ -mag magfactor ] [ -source geom ] [ -toolkitoption
... ]
DESCRIPTION
The xmag program allows you to magnify portions of an X
screen. If no explicit region is specified, a square with
the pointer in the upper left corner is displayed indicat-
ing 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 posi-
tion 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 magnifi-
cation instance. New brings up the rubber band selector
to create a new magnification instance. Cut puts the mag-
nification 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. Resiz-
ing 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
OPTIONS
-source geom This option specifies the size and/or loca-
tion 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.
COPYRIGHT
Copyright 1991, Massachusetts Institute of Technology.
See X(1) for a full statement of rights and permissions.
AUTHORS
Dave Sternlicht and Davor Matic, MIT X Consortium.
X Version 11 Release 5 2