diff --git a/lib/documentview/svgviewadapter.h b/lib/documentview/svgviewadapter.h
--- a/lib/documentview/svgviewadapter.h
+++ b/lib/documentview/svgviewadapter.h
@@ -104,6 +104,8 @@
     virtual QPointF scrollPos() const Q_DECL_OVERRIDE;
     virtual void setScrollPos(const QPointF& pos) Q_DECL_OVERRIDE;
 
+    virtual QRectF visibleDocumentRect() const override;
+
 private:
     SvgViewAdapterPrivate* const d;
 };
diff --git a/lib/documentview/svgviewadapter.cpp b/lib/documentview/svgviewadapter.cpp
--- a/lib/documentview/svgviewadapter.cpp
+++ b/lib/documentview/svgviewadapter.cpp
@@ -80,6 +80,7 @@
 {
     mSvgItem->setScale(zoom());
     adjustItemPos();
+    update();
 }
 
 void SvgImageView::onImageOffsetChanged()
@@ -200,4 +201,9 @@
     d->mView->setScrollPos(pos);
 }
 
+QRectF SvgViewAdapter::visibleDocumentRect() const
+{
+    return QRectF(d->mView->imageOffset(), d->mView->visibleImageSize());
+}
+
 } // namespace