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QIcon: Fix that HiDPI image was not found with QRC alias

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When using images in QRC and giving the 1x and 2x image files
respective aliases but without any file extension
(for example 'myimage' and 'myimage@2x'),
then QIcon would fail to find the 2x variant.

Task-number: QTBUG-44049
Change-Id: I400bf6d22aeefe0aa351c68e473bf24ac2a36471
Reviewed-by: Morten Johan Sørvig <morten.sorvig@theqtcompany.com>
This commit is contained in:
Eike Ziller 2015-01-26 16:22:48 +01:00
parent 6246e142a4
commit 4805714b0f
1 changed files with 6 additions and 6 deletions
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12
src/gui/image/qicon.cpp
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@ -1026,13 +1026,13 @@ void QIcon::addFile(const QString &fileName, const QSize &size, Mode mode, State
// Check if a "@2x" file exists and add it.
static bool disable2xImageLoading = !qgetenv("QT_HIGHDPI_DISABLE_2X_IMAGE_LOADING").isEmpty();
if (!disable2xImageLoading && qApp->devicePixelRatio() > 1.0) {
QString at2xfileName = fileName;
int dotIndex = fileName.lastIndexOf(QLatin1Char('.'));
if (dotIndex != -1) {
QString at2xfileName = fileName;
at2xfileName.insert(dotIndex, QStringLiteral("@2x"));
if (QFile::exists(at2xfileName))
d->engine->addFile(at2xfileName, size, mode, state);
}
if (dotIndex == -1) /* no dot */
dotIndex = fileName.size(); /* append */
at2xfileName.insert(dotIndex, QStringLiteral("@2x"));
if (QFile::exists(at2xfileName))
d->engine->addFile(at2xfileName, size, mode, state);
}
}