diff options
Diffstat (limited to 'tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp')
| -rw-r--r-- | tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp b/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp index 907719259d..49a4504d2a 100644 --- a/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp +++ b/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp @@ -291,7 +291,13 @@ void tst_QImageWriter::writeImage2() QVERIFY(reader.read(&written)); } - written = written.convertToFormat(image.format()); + // The 8-bit input value might have turned into a fraction in 16-bit grayscale + // which can't be preserved in file formats that doesn't support 16bpc. + if (image.format() == QImage::Format_Grayscale16 && + written.format() != QImage::Format_Grayscale16 && written.depth() <= 32) + image.convertTo(QImage::Format_Grayscale8); + + written.convertTo(image.format()); if (!equalImageContents(written, image)) { qDebug() << "image" << image.format() << image.width() << image.height() << image.depth() |