[Uml-devel] [Bug 56166] New: Zoom in with antialiased fonts and a note displayed in classdiagram crashes

Klas Kalass klas.kalass at gmx.de
Wed Mar 19 15:24:03 UTC 2003

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           Summary: Zoom in with antialiased fonts and a note displayed in
                    classdiagram crashes
           Product: umbrello
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: umbrello-devel at kde.org
        ReportedBy: klas.kalass at gmx.de

Version:           1.2-alpha (using KDE 3.1.0)
Installed from:    compiled sources
Compiler:          gcc version 3.2
OS:          Linux (i686) release 2.4.19-4GB

How to reproduce:

1) New diagram
2) Right click on the class diagram in the diagram view and select properties, 
   change the font to an antialiased font (e.g. Arial or Times New Roman)
3) Add a Note to the diagram, add some text to the note
4) Zoom in

I get the following backtrace:

[New Thread 1024 (LWP 30408)]
0x4129e8c9 in wait4 () from /lib/libc.so.6
#0  0x4129e8c9 in wait4 () from /lib/libc.so.6
#1  0x41319c90 in __DTOR_END__ () from /lib/libc.so.6
#2  0x410f9a93 in waitpid () from /lib/libpthread.so.0
#3  0x407d26ab in KCrash::defaultCrashHandler(int) ()
   from /opt/kde3/lib/libkdecore.so.4
#4  <signal handler called>
#5  0x40b48d4b in QFontPrivate::textExtents(QString const&, int, int, QCharStruct*) () from /usr/lib/libqt-mt.so.3
#6  0x40b4fbe3 in QFontMetrics::boundingRect(QString const&, int) const ()
   from /usr/lib/libqt-mt.so.3
#7  0x40af8b32 in QPainter::drawText(int, int, QString const&, int, int, QPainter::TextDirection) () from /usr/lib/libqt-mt.so.3
#8  0x40af86c0 in QPainter::drawText(int, int, QString const&, int, QPainter::TextDirection) () from /usr/lib/libqt-mt.so.3
#9  0x40b925a8 in qt_format_text(QFont const&, QRect const&, int, QString const&, int, QRect*, int, int*, int, QTextParag**, QPainter*) ()
   from /usr/lib/libqt-mt.so.3
#10 0x40b91fa3 in QPainter::drawText(QRect const&, int, QString const&, int, QRect*, QTextParag**) () from /usr/lib/libqt-mt.so.3
#11 0x080851d9 in QPainter::drawText(int, int, int, int, int, QString const&, int, QRect*, QTextParag**) (this=0xbfffe900, x=31, y=28, w=7, h=12, tf=1, 
    str=@0xbfffe480, len=-1, br=0x0, i=0x0)
    at /usr/lib/qt3/include/qpainter.h:667
#12 0x080c3b5b in NoteWidget::drawText(QPainter&, int, int) (this=0x83109b8, 
    p=@0xbfffe900, offsetX=11, offsetY=10)
    at /kde/src/kdesdk/umbrello/umbrello/notewidget.cpp:223
#13 0x080c2fb3 in NoteWidget::draw(QPainter&, int, int) (this=0x83109b8, 
    p=@0xbfffe900, offsetX=11, offsetY=10)
    at /kde/src/kdesdk/umbrello/umbrello/notewidget.cpp:68
#14 0x0808e828 in UMLWidget::drawShape(QPainter&) (this=0x83109b8, 
    p=@0xbfffe900) at /kde/src/kdesdk/umbrello/umbrello/umlwidget.cpp:595
#15 0x40d67f0a in QCanvasPolygonalItem::draw(QPainter&) ()
   from /usr/lib/libqt-mt.so.3
#16 0x40d5fb42 in QCanvasItemList::drawUnique(QPainter&) ()
   from /usr/lib/libqt-mt.so.3
#17 0x40d626bc in QCanvas::drawCanvasArea(QRect const&, QPainter*, bool) ()
   from /usr/lib/libqt-mt.so.3
#18 0x40d61445 in QCanvas::drawViewArea(QCanvasView*, QPainter*, QRect const&, bool) () from /usr/lib/libqt-mt.so.3
#19 0x40d67634 in QCanvasView::drawContents(QPainter*, int, int, int, int) ()
   from /usr/lib/libqt-mt.so.3
#20 0x40c895c3 in QScrollView::drawContentsOffset(QPainter*, int, int, int, int, int, int) () from /usr/lib/libqt-mt.so.3
#21 0x40c8814a in QScrollView::viewportPaintEvent(QPaintEvent*) ()
   from /usr/lib/libqt-mt.so.3
#22 0x40c87b43 in QScrollView::eventFilter(QObject*, QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#23 0x40b8a07e in QObject::activate_filters(QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#24 0x40b89fa1 in QObject::event(QEvent*) () from /usr/lib/libqt-mt.so.3
#25 0x40bc053c in QWidget::event(QEvent*) () from /usr/lib/libqt-mt.so.3
#26 0x40b2e2e4 in QApplication::internalNotify(QObject*, QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#27 0x40b2de4b in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/libqt-mt.so.3
#28 0x40748000 in KApplication::notify(QObject*, QEvent*) ()
   from /opt/kde3/lib/libkdecore.so.4
#29 0x40acff22 in QApplication::x11ProcessEvent(_XEvent*) ()
   from /usr/lib/libqt-mt.so.3
#30 0x40ae4eda in QEventLoop::processEvents(unsigned) ()
   from /usr/lib/libqt-mt.so.3
#31 0x40b41fa6 in QEventLoop::enterLoop() () from /usr/lib/libqt-mt.so.3
#32 0x40b41e48 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3
#33 0x40b2e511 in QApplication::exec() () from /usr/lib/libqt-mt.so.3
#34 0x080c6fb9 in main (argc=1, argv=0xbffff814)
    at /kde/src/kdesdk/umbrello/umbrello/main.cpp:86
#35 0x412194a2 in __libc_start_main () from /lib/libc.so.6

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