1 files changed, 10 insertions, 0 deletions
diff --git a/src/gui/image/qpixmap_raster.cpp b/src/gui/image/qpixmap_raster.cpp
index 7dfab70..145b02a 100644
--- a/src/gui/image/qpixmap_raster.cpp
+++ b/src/gui/image/qpixmap_raster.cpp
@@ -181,6 +181,16 @@ void QRasterPixmapData::fromImage(const QImage &sourceImage,
     setSerialNumber(image.serialNumber());
 }
 
+// from qwindowsurface.cpp
+extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset);
+
+bool QRasterPixmapData::scroll(int dx, int dy, const QRect &rect)
+{
+    if (!image.isNull())
+        qt_scrollRectInImage(image, rect, QPoint(dx, dy));
+    return true;
+}
+
 void QRasterPixmapData::fill(const QColor &color)
 {
     uint pixel;