diff options
Diffstat (limited to 'src/gui/image/qicon.cpp')
| -rw-r--r-- | src/gui/image/qicon.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp index cebe5ce5f9..cc00f5c172 100644 --- a/src/gui/image/qicon.cpp +++ b/src/gui/image/qicon.cpp @@ -1398,8 +1398,12 @@ 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; @@ -1417,8 +1421,11 @@ 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; |