diff options
Diffstat (limited to 'src/gui/image')
| -rw-r--r-- | src/gui/image/qimagereader.cpp | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gui/image/qimagereader.cpp b/src/gui/image/qimagereader.cpp index 0fb1d808e5..0c75196612 100644 --- a/src/gui/image/qimagereader.cpp +++ b/src/gui/image/qimagereader.cpp @@ -1319,10 +1319,12 @@ bool QImageReader::read(QImage *image) } } - // successful read; check for "@2x" file name suffix and set device pixel ratio. - static bool disable2xImageLoading = !qEnvironmentVariableIsEmpty("QT_HIGHDPI_DISABLE_2X_IMAGE_LOADING"); - if (!disable2xImageLoading && QFileInfo(fileName()).baseName().endsWith(QLatin1String("@2x"))) { - image->setDevicePixelRatio(2.0); + // successful read; check for "@Nx" file name suffix and set device pixel ratio. + static bool disableNxImageLoading = !qEnvironmentVariableIsEmpty("QT_HIGHDPI_DISABLE_2X_IMAGE_LOADING"); + if (!disableNxImageLoading) { + const QByteArray suffix = QFileInfo(fileName()).baseName().right(3).toLatin1(); + if (suffix.length() == 3 && suffix[0] == '@' && suffix[1] >= '2' && suffix[1] <= '9' && suffix[2] == 'x') + image->setDevicePixelRatio(suffix[1] - '0'); } if (autoTransform()) qt_imageTransform(*image, transformation()); |