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List:       kde-devel
Subject:    True transparency ala MacOSX
From:       Michael A Nachbaur <mike () nachbaur ! com>
Date:       2003-03-13 14:58:10
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I wanted to know how difficult it would be to implement true transparency in 
applications like Konsole.  From what I can tell, these applications simply 
set their background to a region of the desktop wallpaper, and set some color 
tinting to their image.  What would it take to implement true transparency, 
similar to how MacOSX does?  I presume OSX uses OpenGL or some other library 
to set an alpha mask for a given window (or region of a window), but with it 
you can see through one window and into a window behind it.

This is really convenient, especially when you have a terminal window open 
above a web browser or email window; or have multiple overlapped windows, 
allowing you to do your work in one window while seeing the results of a 
compile or some other long-running process in the background.

Cheers!
 
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