diff options
Diffstat (limited to 'src/gui/image/qpixmap.cpp')
| -rw-r--r-- | src/gui/image/qpixmap.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/gui/image/qpixmap.cpp b/src/gui/image/qpixmap.cpp index 2ef1d09422..5b4d218603 100644 --- a/src/gui/image/qpixmap.cpp +++ b/src/gui/image/qpixmap.cpp @@ -1552,6 +1552,11 @@ QPixmap QPixmap::fromImage(const QImage &image, Qt::ImageConversionFlags flags) if (image.isNull()) return QPixmap(); + if (Q_UNLIKELY(!qobject_cast<QGuiApplication *>(QCoreApplication::instance()))) { + qWarning("QPixmap::fromImage: QPixmap cannot be created without a QGuiApplication"); + return QPixmap(); + } + QScopedPointer<QPlatformPixmap> data(QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(QPlatformPixmap::PixmapType)); data->fromImage(image, flags); return QPixmap(data.take()); @@ -1574,6 +1579,11 @@ QPixmap QPixmap::fromImageInPlace(QImage &image, Qt::ImageConversionFlags flags) if (image.isNull()) return QPixmap(); + if (Q_UNLIKELY(!qobject_cast<QGuiApplication *>(QCoreApplication::instance()))) { + qWarning("QPixmap::fromImageInPlace: QPixmap cannot be created without a QGuiApplication"); + return QPixmap(); + } + QScopedPointer<QPlatformPixmap> data(QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(QPlatformPixmap::PixmapType)); data->fromImageInPlace(image, flags); return QPixmap(data.take()); @@ -1593,6 +1603,11 @@ QPixmap QPixmap::fromImageInPlace(QImage &image, Qt::ImageConversionFlags flags) */ QPixmap QPixmap::fromImageReader(QImageReader *imageReader, Qt::ImageConversionFlags flags) { + if (Q_UNLIKELY(!qobject_cast<QGuiApplication *>(QCoreApplication::instance()))) { + qWarning("QPixmap::fromImageReader: QPixmap cannot be created without a QGuiApplication"); + return QPixmap(); + } + QScopedPointer<QPlatformPixmap> data(QGuiApplicationPrivate::platformIntegration()->createPlatformPixmap(QPlatformPixmap::PixmapType)); data->fromImageReader(imageReader, flags); return QPixmap(data.take()); |