diff options
Diffstat (limited to 'src/widgets/util/qcolormap.cpp')
-rw-r--r-- | src/widgets/util/qcolormap.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/widgets/util/qcolormap.cpp b/src/widgets/util/qcolormap.cpp index 03ee8a395e..decfd7bd2c 100644 --- a/src/widgets/util/qcolormap.cpp +++ b/src/widgets/util/qcolormap.cpp @@ -66,7 +66,12 @@ static QColormapPrivate *screenMap = 0; void QColormap::initialize() { screenMap = new QColormapPrivate; - + if (!QGuiApplication::primaryScreen()) { + qWarning("no screens available, assuming 24-bit color"); + screenMap->depth = 24; + screenMap->mode = QColormap::Direct; + return; + } screenMap->depth = QGuiApplication::primaryScreen()->depth(); if (screenMap->depth < 8) { screenMap->mode = QColormap::Indexed; |