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Diffstat (limited to 'src/plugins/imageformats/jpeg/qjpeghandler.cpp')
| -rw-r--r-- | src/plugins/imageformats/jpeg/qjpeghandler.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp index 6d0bc1f..088ef97 100644 --- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp +++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp @@ -781,7 +781,8 @@ static bool read_jpeg_image(QIODevice *device, QImage *outImage, #ifndef QT_NO_IMAGE_SMOOTHSCALE // If high quality not required, shrink image during decompression - if (scaledSize.isValid() && quality < HIGH_QUALITY_THRESHOLD && !params.contains(QLatin1String("GetHeaderInformation")) ) { + if (scaledSize.isValid() && !scaledSize.isEmpty() && quality < HIGH_QUALITY_THRESHOLD + && !params.contains(QLatin1String("GetHeaderInformation")) ) { cinfo.scale_denom = qMin(cinfo.image_width / scaledSize.width(), cinfo.image_width / scaledSize.height()); if (cinfo.scale_denom < 2) { |