bugGNUstep - Bugs: bug #23454, Cairo backend painting black bars

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bug #23454: Cairo backend painting black bars

Submitter:  Thomas Christensen <thomasc>
Submitted:  Sun 01 Jun 2008 08:37:21 PM UTC
   
 
Category:  Backend Severity:  3 - Normal
Item Group:  Bug Status:  Fixed
Privacy:  Public Assigned to:  FredKiefer
Open/Closed:  Closed
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Sat 29 Nov 2008 01:51:41 PM UTC, comment #3: 

Actually I had changed that to a run time check later on. As nobody commented on this any more it should be fixed.

Fred Kiefer <FredKiefer>
Group Member
Sat 07 Jun 2008 04:41:46 PM UTC, comment #2: 

Turns out that the black bar was caused by some code we put into the GState copy method to work around a bug in cairo. Now that the bug was fixed our code needed adjustment. I put in some compile time conditional code, this wont work when GNUstep gets compiled with one version of cairo and used with another.

Fred Kiefer <FredKiefer>
Group Member
Sat 07 Jun 2008 03:36:28 AM UTC, comment #1: 

If it helps, the bars are getting painted with an opacity of zero (visible with a composting window manager).

Justin Kendrick <twilightsentry>
Sun 01 Jun 2008 08:37:21 PM UTC, original submission:  

Here is the email correspondence about the bug:

From: Thomas Christensen <thomasc@thomaschristensen.org>
Subject: Cairo backend painting black bars
To: -email is unavailable-
Date: Sat, 24 May 2008 21:59:06 +0200

Hi,

With latest SVN source and libcairo-dev-1.6.4 a black bar is painted at the
bottom of each window.  Anyone else experiencing this?  Or better, knows a
workaround or patch for this?

I can use xlib, or art, but xlib is flickering, and art cannot enumerate
the freetype fonts.

I can submit a bug report if it is appropriate.

I am running Debian sid.

Thomas

From: Adam Fedor <fedor@qwestoffice.net>
Subject: Re: Cairo backend painting black bars
To: Discuss GNUstep <discuss-gnustep@gnu.org>
Date: Sat, 24 May 2008 14:21:35 -0600


On May 24, 2008, at 1:59 PM, Thomas Christensen wrote:

> Hi,
>
> With latest SVN source and libcairo-dev-1.6.4 a black bar is painted
> at the
> bottom of each window.  Anyone else experiencing this?  Or better,
> knows a
> workaround or patch for this?
>


It does this when not handling it's own window decorations.  The work
around is to write the window decoration default:

defaults write NSGlobalDomain GSX11HandlesWindowDecorations NO


but it might be nice to submit a bug report anyway, so some one can
remember to look at it.


Thomas Christensen <thomasc>

 

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  • -email is unavailable- added by FredKiefer (Posted a comment)
  • -email is unavailable- added by twilightsentry (Posted a comment)
  • -email is unavailable- added by thomasc (Submitted the item)
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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2008-11-29 FredKiefer Open/ClosedIn Test Closed
    2008-06-07 FredKiefer StatusNone Fixed
        Assigned toNone FredKiefer
        Open/ClosedOpen In Test

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