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List:       freedesktop-xorg-devel
Subject:    XWD option to dump root background
From:       john () lane ! uk ! net
Date:       2015-08-24 19:12:57
Message-ID: 1440443579-11247-1-git-send-email-john () lane ! uk ! net
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A new -bg option to instruct xwd to dump the root background behind
the selected window (or the whole root background if used with -root).

It allows one to copy the root background (the "desktop wallpaper") as
it currently looks: not the original image that may have been tiled,
centered or stretched but how it actually looks on screen (or screens!)
when copied.

The patch allows a command like this:

    $ xwd -root -bg | convert - bg.png

When used with a non-root window it dumps the area of the root
background that is covered by the selected window (plus its frame if
the -frame option is also used).

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