Fix OpenVG painting artifacts after restoreState().

When the state is restored and the 'dirty' flag indicates that the clip
state has changed, the paint engine needs to set 'scissorDirty' flag to
true so that updateScissor() applies the restored clip region to the
scissor rects.

Task-number: QTBUG-14907
Reviewed-by: Jani Hautakangas

1 files changed, 1 insertions, 0 deletions

diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp
index 9df32d9..ee65e48 100644
--- a/src/openvg/qpaintengine_vg.cpp
+++ b/src/openvg/qpaintengine_vg.cpp
@@ -3678,6 +3678,7 @@ void QVGPaintEngine::restoreState(QPaintEngine::DirtyFlags dirty)
         d->maskIsSet = false;
         d->scissorMask = false;
         d->maskRect = QRect();
+        d->scissorDirty = true;
         clipEnabledChanged();
     }