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diff --git a/canvas/source/cairo/cairo_spritehelper.hxx b/canvas/source/cairo/cairo_spritehelper.hxx
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+++ b/canvas/source/cairo/cairo_spritehelper.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 .
+ */
+
+#pragma once
+
+#include <base/canvascustomspritehelper.hxx>
+
+#include <basegfx/point/b2dpoint.hxx>
+
+#include "cairo_spritecanvas.hxx"
+
+
+namespace cairocanvas
+{
+    /* Definition of SpriteHelper class */
+
+    /** Helper class for canvas sprites.
+
+        This class implements all sprite-related functionality, like
+        that available on the XSprite interface.
+     */
+    class SpriteHelper : public ::canvas::CanvasCustomSpriteHelper
+    {
+    public:
+        /** Create sprite helper
+         */
+        SpriteHelper();
+
+        /** Late-init the sprite helper
+
+            @param rSpriteSize
+            Size of the sprite
+
+            @param rSpriteCanvas
+            Sprite canvas this sprite is part of. Object stores
+            ref-counted reference to it, thus, don't forget to pass on
+            disposing()!
+
+            @param rDevice
+            DX device to use
+
+            @param rSpriteSurface
+            The surface of the sprite (not the DX texture, but the
+            persistent target of content rendering)
+
+            @param bShowSpriteBounds
+            When true, little debug bound rects for sprites are shown
+         */
+        void init( const css::geometry::RealSize2D& rSpriteSize,
+                   const SpriteCanvasRef&           rSpriteCanvas );
+
+        void disposing();
+
+        void setSurface( const ::cairo::SurfaceSharedPtr& pBufferSurface );
+
+        /** Repaint sprite content to associated sprite canvas
+
+            @param rPos
+            Output position (sprite's own position is disregarded)
+
+            @param io_bSurfacesDirty
+            When true, the referenced sprite surfaces (backBuffer and
+            backBufferMask) have been modified since last call.
+
+            @param bBufferedUpdate
+            When true, the redraw does <em>not</em> happen directly on
+            the front buffer, but within a VDev. Used to speed up
+            drawing.
+         */
+        void redraw( const ::cairo::CairoSharedPtr& pCairo,
+                     const ::basegfx::B2DPoint&     rPos,
+                     bool&                          bSurfacesDirty,
+                     bool                           bBufferedUpdate ) const;
+
+    private:
+        virtual ::basegfx::B2DPolyPolygon polyPolygonFromXPolyPolygon2D(
+            css::uno::Reference< css::rendering::XPolyPolygon2D >& xPoly ) const override;
+
+
+        SpriteCanvasRef           mpSpriteCanvas;
+        ::cairo::SurfaceSharedPtr mpBufferSurface;
+        mutable bool              mbTextureDirty;  // when true, texture needs update
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */