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xwd - dump an image of an X window
xwd [-debug]
[-help] [-nobdrs] [-out file] [-xy] [-frame] [-add value] [-root | -id id | -name
name ] [-icmap] [-screen] [-display display]
Xwd is an X Window
System window dumping utility. Xwd allows X users to store window images
in a specially formatted dump file. This file can then be read by various
other X utilities for redisplay, printing, editing, formatting, archiving,
image processing, etc. The target window is selected by clicking the pointer
in the desired window. The keyboard bell is rung once at the beginning of
the dump and twice when the dump is completed.
- -display display
- This
argument allows you to specify the server to connect to; see X(1)
.
- -help
- Print out the `Usage:' command syntax summary.
- -nobdrs
- This argument specifies
that the window dump should not include the pixels that compose the X window
border. This is useful in situations where you may wish to include the
window contents in a document as an illustration.
- -out file
- This argument
allows the user to explicitly specify the output file on the command line.
The default is to output to standard out.
- -xy
- This option applies to color
displays only. It selects `XY' format dumping instead of the default `Z' format.
- -add value
- This option specifies an signed value to be added to every pixel.
- -frame
- This option indicates that the window manager frame should be included
when manually selecting a window.
- -root
- This option indicates that the root
window should be selected for the window dump, without requiring the user
to select a window with the pointer.
- -id id
- This option indicates that the
window with the specified resource id should be selected for the window
dump, without requiring the user to select a window with the pointer.
- -name
name
- This option indicates that the window with the specified WM_NAME property
should be selected for the window dump, without requiring the user to select
a window with the pointer.
- -icmap
- Normally the colormap of the chosen window
is used to obtain RGB values. This option forces the first installed colormap
of the screen to be used instead.
- -screen
- This option indicates that the
GetImage request used to obtain the image should be done on the root window,
rather than directly on the specified window. In this way, you can obtain
pieces of other windows that overlap the specified window, and more importantly,
you can capture menus or other popups that are independent windows but
appear over the specified window.
- -silent
- Operate silently, i.e. don't ring
any bells before and after dumping the window.
- DISPLAY
- To get
default host and display number.
- XWDFile.h
- X Window Dump File format
definition file.
xwud(1)
, xpr(1)
, X(1)
Tony Della Fera, Digital
Equipment Corp., MIT Project Athena
William F. Wyatt, Smithsonian Astrophysical Observatory
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