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+ Workaround for crash in webkit engine for Qt 4.8.5

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This commit is contained in:
wmayer 2013-12-07 22:03:17 +01:00
parent 453d81aaae
commit 017d6e4fb1
1 changed files with 15 additions and 4 deletions
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19
src/Gui/BitmapFactory.cpp
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@ -194,6 +194,9 @@ bool BitmapFactoryInst::loadPixmap(const QString& filename, QPixmap& icon) const
{
QFileInfo fi(filename);
if (fi.exists()) {
// There is a crash when using the Webkit engine in debug mode
// for a couple of SVG files. Thus, use the qsvg plugin.
#if QT_VERSION < 0x040800 || !defined(_DEBUG)
// first check if it's an SVG because Qt's qsvg4 module shouldn't be used therefore
if (fi.suffix().toLower() == QLatin1String("svg")) {
QFile svgFile(filename);
@ -206,6 +209,9 @@ bool BitmapFactoryInst::loadPixmap(const QString& filename, QPixmap& icon) const
// try with Qt plugins
icon.load(filename);
}
#else
icon.load(filename);
#endif
}
return !icon.isNull();
@ -314,15 +320,20 @@ QPixmap BitmapFactoryInst::pixmapFromSvg(const QByteArray& contents, const QSize
webView.setPalette(pal);
webView.setContent(contents, QString::fromAscii("image/svg+xml"));
QString node = QString::fromAscii("document.rootElement.nodeName");
QString root = webView.page()->mainFrame()->evaluateJavaScript(node).toString();
QWebFrame* frame = webView.page()->mainFrame();
if (!frame) {
return QPixmap();
}
QString root = frame->evaluateJavaScript(node).toString();
if (root.isEmpty() || root.compare(QLatin1String("svg"), Qt::CaseInsensitive)) {
return QPixmap();
}
QString w = QString::fromAscii("document.rootElement.width.baseVal.value");
QString h = QString::fromAscii("document.rootElement.height.baseVal.value");
double ww = webView.page()->mainFrame()->evaluateJavaScript(w).toDouble();
double hh = webView.page()->mainFrame()->evaluateJavaScript(h).toDouble();
double ww = frame->evaluateJavaScript(w).toDouble();
double hh = frame->evaluateJavaScript(h).toDouble();
if (ww == 0.0 || hh == 0.0)
return QPixmap();
#endif
@ -341,7 +352,7 @@ QPixmap BitmapFactoryInst::pixmapFromSvg(const QByteArray& contents, const QSize
p.setRenderHint(QPainter::TextAntialiasing);
p.setRenderHint(QPainter::SmoothPixmapTransform);
p.setOpacity(0); // important to keep transparent background
webView.page()->mainFrame()->render(&p);
frame->render(&p);
#else
// tmp. disable the report window to suppress some bothering warnings
Base::Console().SetEnabledMsgType("ReportOutput", ConsoleMsgType::MsgType_Wrn, false);