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-rw-r--r--doc/src/declarative/qdeclarativeperformance.qdoc11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/src/declarative/qdeclarativeperformance.qdoc b/doc/src/declarative/qdeclarativeperformance.qdoc
index 36b4878..6760869 100644
--- a/doc/src/declarative/qdeclarativeperformance.qdoc
+++ b/doc/src/declarative/qdeclarativeperformance.qdoc
@@ -136,4 +136,15 @@ The QML Viewer uses the raster graphics system by default for X11 and OS X. It a
includes a \c -opengl command line option which sets a QGLWidget as the viewport of the
view. On OS X, a QGLWidget is always used.
+You can also prevent QDeclarativeView from painting its window background if
+you will provide the background of your application using QML, e.g.
+
+\code
+QDeclarativeView window;
+window.setAttribute(Qt::WA_OpaquePaintEvent);
+window.setAttribute(Qt::WA_NoSystemBackground);
+window.viewport()->setAttribute(Qt::WA_OpaquePaintEvent);
+window.viewport()->setAttribute(Qt::WA_NoSystemBackground);
+\endcode
+
*/