diff options
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbbackingstore.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp index 796ca24265..94edd87eb7 100644 --- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp +++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp @@ -850,7 +850,13 @@ QImage QXcbBackingStore::toImage() const return QImage(); m_image->flushScrolledRegion(true); - return *m_image->image(); + + QImage image = *m_image->image(); + + // Return an image that does not share QImageData with the original image, + // even if they both point to the same data of the m_xcb_image, otherwise + // painting to m_qimage would detach it from the m_xcb_image data. + return QImage(image.constBits(), image.width(), image.height(), image.format()); } QPlatformGraphicsBuffer *QXcbBackingStore::graphicsBuffer() const |