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From: Jason Rumney <jasonr@gnu.org>
To: Daniel Colascione <dancol@dancol.org>
Cc: 10397@debbugs.gnu.org
Subject: bug#10397: [PATCH] Under Remote Desktop, NUMCOLORS is unreliable; workaround
Date: Fri, 30 Dec 2011 09:04:16 +0800	[thread overview]
Message-ID: <877h1ehnu7.fsf@gnu.org> (raw)
In-Reply-To: <69c9ec930ef1d48655624d437aa66d0fce275d3e.1325166766.git.dancol@dancol.org> (Daniel Colascione's message of "Thu, 29 Dec 2011 06:05:53 -0800")

Daniel Colascione <dancol@dancol.org> writes:

> Under remote desktop, Windows returns the wrong number of colors from
> GetDeviceCaps (hdc, NUMCOLORS).  I hit this bug myself, and MSDN
> comments seem to indicate that others hit it as well.  The workaround
> seems harmless: on non-palettized displays, calculating the number of
> display colors based on display bitness should produce good results.

I've always been under the impression that this is deliberate, and
related to the bandwidth that is available, so at least applications
that want to improve performance over low bandwidth links can restrict
their use of colors.





  parent reply	other threads:[~2011-12-30  1:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-29 14:05 bug#10397: [PATCH] Under Remote Desktop, NUMCOLORS is unreliable; workaround Daniel Colascione
2011-12-29 16:13 ` Juanma Barranquero
2011-12-29 16:23   ` Daniel Colascione
2011-12-29 16:27     ` Juanma Barranquero
2011-12-29 16:42       ` Daniel Colascione
2011-12-29 16:45         ` Juanma Barranquero
2011-12-29 22:59           ` Daniel Colascione
2011-12-29 23:10             ` Juanma Barranquero
2011-12-29 23:13               ` Daniel Colascione
2011-12-29 23:18                 ` Juanma Barranquero
2011-12-30  3:07             ` Juanma Barranquero
2011-12-30  3:18               ` Daniel Colascione
2011-12-30  8:51                 ` Eli Zaretskii
2011-12-30  9:00                 ` Eli Zaretskii
2011-12-30 12:24                   ` Juanma Barranquero
2012-08-07 17:13                     ` Eli Zaretskii
2012-08-07 17:33                       ` Daniel Colascione
2012-08-07 18:07                         ` Eli Zaretskii
2016-02-25  6:25                         ` Lars Ingebrigtsen
2016-12-13  0:04                           ` Glenn Morris
2011-12-30  1:04 ` Jason Rumney [this message]
2011-12-30  1:10   ` Daniel Colascione

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