Page 2 of 2 FirstFirst 12
Results 21 to 40 of 72

Thread: QGraphicsScene/QGraphicsView performance problems

Hybrid View

Previous Post Previous Post   Next Post Next Post
  1. 7th January 2008, 13:14 #1
    bnilsson
    bnilsson is offline Intermediate user
    Join Date
    Jan 2008
    Posts
    155
    Qt products
    Qt4
    Platforms
    MacOS X Unix/X11 Windows
    Thanks
    4
    Thanked 1 Time in 1 Post

    Default Re: QGraphicsScene/QGraphicsView performance problems

    Let's close the discussion about "reimplementation", after reading all of your comments again I now understand your point. Thanks for your patience.
    Last edited by bnilsson; 7th January 2008 at 17:59.
    MacOSX user dabbling with Linux and Windows.
    Reply With Quote Reply With Quote
  2. 7th January 2008, 13:37 #2
    wysota's Avatar
    wysota
    wysota is offline The "Q"
    Nokia Certified Qt Developer
    Join Date
    Jan 2006
    Location
    Warsaw, Poland
    Posts
    33,376
    Qt products
    Qt3 Qt4 Qt5 Qt/Embedded
    Platforms
    Unix/X11 Windows Android Maemo/MeeGo
    Thanks
    4
    Thanked 5,019 Times in 4,795 Posts
    Wiki edits
    10

    Default Re: QGraphicsScene/QGraphicsView performance problems

    If you want to override anything, then you need to subclass. The rest is correct.
    Reply With Quote Reply With Quote
  3. 8th January 2008, 20:13 #3
    pherthyl
    pherthyl is offline Intermediate user
    Join Date
    Aug 2006
    Posts
    250
    Qt products
    Qt4
    Platforms
    Windows
    Thanks
    19
    Thanked 49 Times in 36 Posts

    Default Re: QGraphicsScene/QGraphicsView performance problems

    This may be useful to you.

    http://labs.trolltech.com/blogs/2008...graphicsitems/
    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Similar Threads

  1. Performance problems with overlapping qgraphicsitems
    By brjames in forum Qt Programming
    Replies: 13
    Last Post: 4th May 2008, 22:42
  2. Poor performance with Qt 4.3 and Microsoft SQL Server
    By Korgen in forum Qt Programming
    Replies: 2
    Last Post: 23rd November 2007, 11:28
  3. GraphicsView performance problems
    By Gopala Krishna in forum Qt Programming
    Replies: 79
    Last Post: 8th August 2007, 18:32
  4. Problems building working static libraries Qt 4.2.2 with new platform SDK
    By cboles in forum Qt Programming
    Replies: 2
    Last Post: 8th March 2007, 23:22
  5. Lag of Performance using QT3.3.3 to get access to a MS SQL Server
    By BP2006D1 in forum Qt Programming
    Replies: 1
    Last Post: 4th October 2006, 17:05

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules

Qt is a trademark of The Qt Company.