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diff --git a/slideshow/source/engine/transitions/combtransition.hxx b/slideshow/source/engine/transitions/combtransition.hxx
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+++ b/slideshow/source/engine/transitions/combtransition.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_COMBTRANSITION_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_COMBTRANSITION_HXX
+
+#include "slidechangebase.hxx"
+
+namespace slideshow {
+namespace internal {
+
+/** Comb transition class.
+
+    This class provides a SlideChangeAnimation, showing a
+    comb-like effect (stripes of alternating push effects).
+*/
+class CombTransition : public SlideChangeBase
+{
+public:
+    /** Create the comb transition effect.
+
+        @param nNumStripes
+        Number of comb-like stripes to show in this effect
+    */
+    CombTransition( ::std::optional<SlideSharedPtr> const & leavingSlide,
+                    const SlideSharedPtr&                     pEnteringSlide,
+                    const SoundPlayerSharedPtr&               pSoundPlayer,
+                    const UnoViewContainer&                   rViewContainer,
+                    ScreenUpdater&                            rScreenUpdater,
+                    EventMultiplexer&                         rEventMultiplexer,
+                    const ::basegfx::B2DVector&               rPushDirection,
+                    sal_Int32                                 nNumStripes );
+
+    // NumberAnimation
+    virtual bool operator()( double x ) override;
+
+private:
+    const ::basegfx::B2DVector maPushDirectionUnit;
+    sal_Int32                  mnNumStripes;
+
+    void renderComb( double t, const ViewEntry& rViewEntry ) const;
+};
+
+} // namespace internal
+} // namespace presentation
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_COMBTRANSITION_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */