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| author | Simon Hausmann <simon.hausmann@theqtcompany.com> | 2015-07-17 15:06:22 +0200 |
|---|---|---|
| committer | Simon Hausmann <simon.hausmann@theqtcompany.com> | 2015-07-17 16:35:42 +0200 |
| commit | b2603b76655ac819e43c063bb6f16bc95f358083 (patch) | |
| tree | 0fbe2c367ebfffdb70e9e3f21a7cf408bafd9626 /examples/widgets/doc | |
| parent | 99b94aadf875c822afb6c2580e43355ac392ac92 (diff) | |
| parent | 756266d01560157b7274e466b9ffc1b0e2ef9a1f (diff) | |
Merge remote-tracking branch 'origin/5.5' into HEAD
Conflicts:
src/plugins/platforms/windows/qwindowsopengltester.cpp
Change-Id: Ia7abeba9395ccf84e2fa81b91a5725a86dedb9fe
Diffstat (limited to 'examples/widgets/doc')
| -rw-r--r-- | examples/widgets/doc/src/imageviewer.qdoc | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/examples/widgets/doc/src/imageviewer.qdoc b/examples/widgets/doc/src/imageviewer.qdoc index 901d6fe76e..91ae56b5d7 100644 --- a/examples/widgets/doc/src/imageviewer.qdoc +++ b/examples/widgets/doc/src/imageviewer.qdoc @@ -124,10 +124,16 @@ \snippet widgets/imageviewer/imageviewer.cpp 2 - In the \c loadFile() function, we check if the file's - format is an image format by constructing a QImage which tries to - load the image from the file. If the constructor returns a null - image, we use a QMessageBox to alert the user. + In the \c loadFile() function, we instantiate a QImageReader + and enable automatic transformations by calling + QImageReader::setAutoTransform(). For files in JPEG format, + this ensures that portrait mode images of digital cameras are shown + correctly by applying the appropriate orientation read from the + EXIF meta data stored in the image file. + + We then load the image using QImageReader::read(). If this returns + a null image, indicating that the file is not an image file, + we use a QMessageBox to alert the user. The QMessageBox class provides a modal dialog with a short message, an icon, and some buttons. As with QFileDialog the |