[Webkit-unassigned] [Bug 40130] New: [Qt] Rendering artifacts when scrolling with a fixed div having a box-shadow
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Jun 3 11:08:43 PDT 2010
https://bugs.webkit.org/show_bug.cgi?id=40130
Summary: [Qt] Rendering artifacts when scrolling with a fixed
div having a box-shadow
Product: WebKit
Version: 528+ (Nightly build)
Platform: S60 Hardware
OS/Version: S60 3rd edition
Status: UNCONFIRMED
Severity: Major
Priority: P3
Component: Layout and Rendering
AssignedTo: webkit-unassigned at lists.webkit.org
ReportedBy: juha.turunen at digia.com
Created an attachment (id=57790)
--> (https://bugs.webkit.org/attachment.cgi?id=57790)
HTML for reproducing the bug
After loading the attached HTML to a QWebView, the drawn shadow is 'left behind' when scrolling the page upwards. When scrolling down the shadow seems to disappear under the fixed position div. Tried this both on Symbian^3 HW and emulator with a quite new Qt 'unstable' release (please contact me by email if you need more specific details). The same HTML viewed with Anomaly (on the same HW) doesn't seem to suffer from this same problem. The app I used to reproduce the problem was this minimal one:
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
#if defined (Q_OS_SYMBIAN)
qt_SetDefaultIap();
#endif
QWebView view;
QPalette pal = view.palette();
pal.setBrush(QPalette::Window, Qt::white);
pal.setBrush(QPalette::Base, Qt::white);
pal.setBrush(QPalette::Background, Qt::white);
view.setPalette(pal);
QNetworkProxyFactory::setUseSystemConfiguration(true);
view.load(QUrl("file:///C:/data/artifacts.html"));
view.show();
return a.exec();
}
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