diff options
| author | David Faure <faure@kde.org> | 2013-04-22 16:18:58 +0200 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-04-23 21:02:50 +0200 |
| commit | 71a1ff39bcf67117e94b669aa0ee059bf1f03b3a (patch) | |
| tree | ca42960b4f780ec6a142ffa3a0a157c681d94681 /src/plugins | |
| parent | 3821047e6c40485a14f7173c6ded07474997820e (diff) | |
qxcb: output clear error message when running on an 8-bit display
Currently, running a Qt5 widget app in Xvfb (with its default setup, 8 bit color depth)
outputs a stream of error messages, starting with:
QWidget::paintEngine: QWidget::paintEngine: Should no longer be called
Better output clearly the reason why we end up in that method: painting
on a null image, due to the unsupported image format.
Maybe this should even be a qFatal...
Change-Id: Iae8f1b057518c146bf8e034999c1b5e67ce6ef5e
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbwindow.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp index 68ccbfb8c0..f2ec4ce4b0 100644 --- a/src/plugins/platforms/xcb/qxcbwindow.cpp +++ b/src/plugins/platforms/xcb/qxcbwindow.cpp @@ -170,7 +170,9 @@ static inline QImage::Format imageFormatForDepth(int depth) case 32: return QImage::Format_ARGB32_Premultiplied; case 24: return QImage::Format_RGB32; case 16: return QImage::Format_RGB16; - default: return QImage::Format_Invalid; + default: + qWarning("Unsupported screen depth: %d", depth); + return QImage::Format_Invalid; } } |