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[dino99 <974079@xxxxxxxxxxxxxxxxxx>]

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** Changed in: metacity (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/974079

Title:
  Window manager clips X11 arcs wrongly

Status in metacity package in Ubuntu:
  Invalid

Bug description:
  I have a number of usr-written applications that involve drawing Arcs. The applications are written in
  C, using direct X11 calls, and Java, using AWT interface. When updating the graphics on screen, arcs
  get clipped where they shouldn't. I have come to the conclusion that this happens when another
  window is being help at the top layer of the stack, e.g. a window flagged as 'Always on Top', a
  Java dialog window or a Gnome notification popup. The clipping appears to treat the 'on top'
  window as if it covers the full width of the screen. Once the window is moved away, refreshing
  the window causes the arcs to draw properly. The clipping only affects Arcs, lines and text are
  not affected.

  I should add that my C applications do not use clipping, and refresh simply redraws the whole of
  the window - no attempt is made to refresh only the areas exposed. The applications all used to work
  under much earlier versions, e.g Ubuntu 8.04, but I can't say exactly when the bug appeared.

  My laptop is an Acer Extensa 5630E if that helps.

  I'd be grateful for any advice on circumventing this bug, and would be happy to assist in providing
  further information when required.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: metacity 1:2.34.1-1ubuntu4.1
  ProcVersionSignature: Ubuntu 3.0.0-17.30-generic 3.0.22
  Uname: Linux 3.0.0-17-generic i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Thu Apr  5 10:06:11 2012
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  SourcePackage: metacity
  UpgradeStatus: Upgraded to oneiric on 2012-02-19 (45 days ago)

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