** Description changed: Binary package hint: openoffice.org + (description updated 5/22/2010) - In Print Preview, a thick (4 point) border sometimes appears hollow (two - very thin lines separated by a thick white space). + When using the fglrx hardware-accelerated graphics driver in Linux, + thick (4 point) borders sometimes appear hollow in print-preview, i.e., + they are rendered as two very thin lines separated by a thick white + space. The problem seems related to X expose events, because - Attached is a demo .ods file and screen-shot. + Attached is a demo .ods file and screen-shot showing the incorrect + rendering. - Notice that the problem is only in the first instance of the border, not - consistently. Maybe it has to do with the previous row somehow. + The screenshot was taken on a 1920x1280-res system, where the symptom + occurs constantly. At lower resolutions such as 1280x1024, only the + left third or half of the line is solid black, the rest hollow, and + expose events cause black portions to be re-painted as hollow (not all + white, but hollow). + + The problem appears only in the first instance of the border, not in + other similar borders. Maybe it has to do with the previous row + somehow. + + This -might- be an fglrx driver bug, but such problems do not appear + with any other application. The exact way the X server sends expose + events to applications might depend on intimate details of the driver + and hardware acceleration, and how (or whether) save-unders are + implemented. So this might be a problem with oo's rendering/expose- + event code. + + To reproduce this you probably need to have an ATI graphics card and use + the fglrx driver. ProblemType: Bug Architecture: amd64 Date: Fri Apr 9 13:36:10 2010 DistroRelease: Ubuntu 9.10 NonfreeKernelModules: fglrx Package: openoffice.org-calc 1:3.1.1-5ubuntu1.1 ProcEnviron: - PATH=(custom, user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + PATH=(custom, user) + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-21.59-generic SourcePackage: openoffice.org Uname: Linux 2.6.31-21-generic x86_64 - --- + --- Architecture: amd64 DistroRelease: Ubuntu 10.04 InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) NonfreeKernelModules: fglrx Package: openoffice.org-calc 1:3.2.0-7ubuntu4 PackageArchitecture: amd64 ProcEnviron: - PATH=(custom, user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + PATH=(custom, user) + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2 Tags: lucid Uname: Linux 2.6.32-22-generic x86_64 UserGroups: adm admin audio cdrom dialout dip fax floppy fuse games lpadmin netdev plugdev sambashare tape users vboxusers video
** Summary changed: - Thick border appears hollow in Print Preview + Thick border appears hollow after expose events with FGLRX driver ** Description changed: Binary package hint: openoffice.org (description updated 5/22/2010) When using the fglrx hardware-accelerated graphics driver in Linux, thick (4 point) borders sometimes appear hollow in print-preview, i.e., they are rendered as two very thin lines separated by a thick white - space. The problem seems related to X expose events, because + space. The problem seems related to X expose events (see below). Attached is a demo .ods file and screen-shot showing the incorrect rendering. The screenshot was taken on a 1920x1280-res system, where the symptom occurs constantly. At lower resolutions such as 1280x1024, only the left third or half of the line is solid black, the rest hollow, and expose events cause black portions to be re-painted as hollow (not all white, but hollow). The problem appears only in the first instance of the border, not in other similar borders. Maybe it has to do with the previous row somehow. This -might- be an fglrx driver bug, but such problems do not appear with any other application. The exact way the X server sends expose events to applications might depend on intimate details of the driver and hardware acceleration, and how (or whether) save-unders are implemented. So this might be a problem with oo's rendering/expose- event code. To reproduce this you probably need to have an ATI graphics card and use the fglrx driver. ProblemType: Bug Architecture: amd64 Date: Fri Apr 9 13:36:10 2010 DistroRelease: Ubuntu 9.10 NonfreeKernelModules: fglrx Package: openoffice.org-calc 1:3.1.1-5ubuntu1.1 ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-21.59-generic SourcePackage: openoffice.org Uname: Linux 2.6.31-21-generic x86_64 --- Architecture: amd64 DistroRelease: Ubuntu 10.04 InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) NonfreeKernelModules: fglrx Package: openoffice.org-calc 1:3.2.0-7ubuntu4 PackageArchitecture: amd64 ProcEnviron: PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2 Tags: lucid Uname: Linux 2.6.32-22-generic x86_64 UserGroups: adm admin audio cdrom dialout dip fax floppy fuse games lpadmin netdev plugdev sambashare tape users vboxusers video -- Thick border appears hollow after expose events with FGLRX driver https://bugs.launchpad.net/bugs/559579 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
