diff options
Diffstat (limited to 'src/gui/image')
| -rw-r--r-- | src/gui/image/qicon.cpp | 11 | ||||
| -rw-r--r-- | src/gui/image/qicon.h | 3 |
2 files changed, 11 insertions, 3 deletions
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp index af3af516db..b2d9ed18f5 100644 --- a/src/gui/image/qicon.cpp +++ b/src/gui/image/qicon.cpp @@ -1378,8 +1378,12 @@ QDebug operator<<(QDebug dbg, const QIcon &i) Given base foo.png and a target dpr of 2.5, this function will look for foo@3x.png, then foo@2x, then fall back to foo.png if not found. + + \a sourceDevicePixelRatio will be set to the value of N if the argument is + a non-null pointer */ -QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRatio) +QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRatio, + qreal *sourceDevicePixelRatio) { if (targetDevicePixelRatio <= 1.0) return baseFileName; @@ -1397,8 +1401,11 @@ QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRati for (int n = qCeil(targetDevicePixelRatio); n > 1; --n) { QString atNxfileName = baseFileName; atNxfileName.insert(dotIndex, atNx.arg(n)); - if (QFile::exists(atNxfileName)) + if (QFile::exists(atNxfileName)) { + if (sourceDevicePixelRatio) + *sourceDevicePixelRatio = n; return atNxfileName; + } } return baseFileName; diff --git a/src/gui/image/qicon.h b/src/gui/image/qicon.h index 8c72f54629..9ed7336502 100644 --- a/src/gui/image/qicon.h +++ b/src/gui/image/qicon.h @@ -139,7 +139,8 @@ Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QIcon &); Q_GUI_EXPORT QDebug operator<<(QDebug dbg, const QIcon &); #endif -Q_GUI_EXPORT QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRatio); +Q_GUI_EXPORT QString qt_findAtNxFile(const QString &baseFileName, qreal targetDevicePixelRatio, + qreal *sourceDevicePixelRatio = Q_NULLPTR); QT_END_NAMESPACE |