From: James Cloos <cloos@jhcloos.com>
To: emacs-devel@gnu.org
Cc: rms@gnu.org, Clifford Wulfman <cwulfman@Princeton.EDU>
Subject: Re: Changes 2009-07-15/16 in branch?
Date: Tue, 28 Jul 2009 18:05:30 -0400 [thread overview]
Message-ID: <m3ab2obgzh.fsf@lugabout.jhcloos.org> (raw)
In-Reply-To: <E1MVqFo-0002wc-VR@fencepost.gnu.org> (Richard Stallman's message of "Tue, 28 Jul 2009 13:14:20 -0400")
>>>>> "Richard" == Richard Stallman <rms@gnu.org> writes:
Richard> Is it hard to implement background transparency on X?
Not too hard. A number of terminal apps do it.
The X server needs to support the XCOMPOSITE extension, a compositing
manager must be running (akin to a window manager, but it is responsible
for blending the clients' windows together on top of the root window
based on how they are stacked and on their per-pixel alpha values) and
the client needs to use an x11 visual with an alpha channel.
Normally the last is a 32 bit 8/8/8/8 ARGB visual (8 bits each of Alpha,
Red, Green and Blue), but colour spaces like 2/10/10/10 ARGB are possible.
Anyone running the latest versions of the popular gnu-on-linux dists on
recent hardware is probably using a suitable setup for transparent windows.
To add transparent support to a client, you just need to use a suitable
visual and include the alpha bits in each colour.
I know that rxvt-unicode (http://software.schmorp.de/) gnome-terminal
and KDE's terminal all have transparency support and are all Freely
licensed. Any of them should provide a more precise recipe for
supporting translucent windows on X11.
-JimC
--
James Cloos <cloos@jhcloos.com> OpenPGP: 1024D/ED7DAEA6
next prev parent reply other threads:[~2009-07-28 22:05 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-23 11:22 Changes 2009-07-15/16 in branch? Adrian Robert
2009-07-23 12:46 ` YAMAMOTO Mitsuharu
2009-07-23 15:30 ` Stefan Monnier
2009-07-24 0:23 ` YAMAMOTO Mitsuharu
2009-07-24 1:09 ` Stefan Monnier
2009-07-24 1:27 ` YAMAMOTO Mitsuharu
2009-07-24 1:37 ` Stefan Monnier
2009-07-24 2:20 ` YAMAMOTO Mitsuharu
2009-07-24 3:17 ` Stefan Monnier
2009-07-24 3:35 ` YAMAMOTO Mitsuharu
2009-07-24 3:44 ` Jason Rumney
2009-07-24 4:12 ` YAMAMOTO Mitsuharu
2009-07-25 2:13 ` YAMAMOTO Mitsuharu
2009-07-26 2:22 ` Richard Stallman
2009-07-26 2:35 ` YAMAMOTO Mitsuharu
2009-07-26 3:31 ` Miles Bader
2009-07-26 3:45 ` YAMAMOTO Mitsuharu
2009-07-27 2:44 ` Richard Stallman
2009-07-27 3:20 ` YAMAMOTO Mitsuharu
2009-07-27 17:41 ` Richard Stallman
2009-07-27 18:41 ` Clifford Wulfman
2009-07-28 4:37 ` Richard Stallman
2009-07-28 13:18 ` Clifford Wulfman
2009-07-28 17:14 ` Richard Stallman
2009-07-28 18:39 ` Alfred M. Szmidt
2009-07-28 20:31 ` Ian Eure
2009-08-01 3:21 ` Richard Stallman
2009-08-01 4:10 ` Ian Eure
2009-08-01 6:28 ` Stephen J. Turnbull
2009-08-02 4:44 ` Richard Stallman
2009-07-28 22:05 ` James Cloos [this message]
2009-07-29 20:13 ` Richard Stallman
2009-07-29 22:05 ` YAMAMOTO Mitsuharu
2009-07-30 7:53 ` YAMAMOTO Mitsuharu
2009-07-30 14:01 ` Chong Yidong
2009-07-31 1:56 ` YAMAMOTO Mitsuharu
2009-07-27 20:14 ` David De La Harpe Golden
2009-07-28 6:10 ` YAMAMOTO Mitsuharu
[not found] ` <EFBC3E4E-8739-4B16-8797-D9CA8BC290CD@gmail.com>
2009-07-28 20:33 ` David De La Harpe Golden
2009-07-28 0:53 ` YAMAMOTO Mitsuharu
2009-07-28 17:14 ` Richard Stallman
2009-07-24 19:25 ` Stefan Monnier
2009-07-29 0:22 ` YAMAMOTO Mitsuharu
2009-07-29 1:12 ` Chong Yidong
2009-07-29 1:18 ` YAMAMOTO Mitsuharu
2009-07-29 4:48 ` YAMAMOTO Mitsuharu
2009-07-29 1:29 ` YAMAMOTO Mitsuharu
2009-07-24 14:34 ` Adrian Robert
2009-07-25 1:15 ` YAMAMOTO Mitsuharu
2009-07-25 4:55 ` Richard Stallman
2009-07-25 16:59 ` Adrian Robert
2009-07-27 2:43 ` Richard Stallman
2009-07-27 3:22 ` Adrian Robert
[not found] ` <E1MW1sm-0000lL-4K@fencepost.gnu.org>
2009-07-29 14:08 ` Harald Hanche-Olsen
2009-07-29 17:18 ` Stefan Monnier
2009-07-30 7:35 ` David Kastrup
2009-07-30 13:31 ` Harald Hanche-Olsen
2009-07-28 18:25 ` Harald Hanche-Olsen
2009-07-29 2:34 ` Stephen J. Turnbull
2009-07-29 2:41 ` Lennart Borgman
2009-07-29 2:56 ` Harald Hanche-Olsen
2009-07-29 3:33 ` Stephen J. Turnbull
2009-07-29 20:14 ` Richard Stallman
2009-07-29 20:26 ` Chad Brown
2009-07-30 15:35 ` Richard Stallman
2009-07-30 16:37 ` Harald Hanche-Olsen
2009-07-29 20:31 ` Harald Hanche-Olsen
2009-07-30 15:35 ` Richard Stallman
2009-07-30 16:22 ` Harald Hanche-Olsen
2009-08-01 3:21 ` Richard Stallman
2009-08-01 7:45 ` CHENG Gao
2009-08-01 9:36 ` CHENG Gao
2009-08-02 4:43 ` Richard Stallman
2009-08-02 7:06 ` CHENG Gao
2009-08-03 16:17 ` Richard Stallman
2009-08-03 20:03 ` CHENG Gao
2009-07-29 14:12 ` Stefan Monnier
2009-07-27 0:35 ` YAMAMOTO Mitsuharu
2009-07-27 3:12 ` Adrian Robert
2009-07-29 3:23 ` Sean O'Rourke
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