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diff --git a/sdext/source/presenter/PresenterBitmapContainer.hxx b/sdext/source/presenter/PresenterBitmapContainer.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_SDEXT_SOURCE_PRESENTER_PRESENTERBITMAPCONTAINER_HXX
+#define INCLUDED_SDEXT_SOURCE_PRESENTER_PRESENTERBITMAPCONTAINER_HXX
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/container/XNameAccess.hpp>
+#include <com/sun/star/drawing/XPresenterHelper.hpp>
+#include <com/sun/star/rendering/XBitmap.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <com/sun/star/util/Color.hpp>
+#include <map>
+#include <memory>
+
+namespace sdext::presenter {
+
+/** Manage a set of bitmap groups as they are used for buttons: three
+    bitmaps, one for the normal state, one for a mouse over effect and one
+    to show that the button has been pressed.
+    A bitmap group is defined by some entries in the configuration.
+*/
+class PresenterBitmapContainer
+{
+public:
+    /** There is one bitmap for the normal state, one for a mouse over effect and one
+        to show that a button has been pressed.
+    */
+    class BitmapDescriptor
+    {
+    public:
+        BitmapDescriptor();
+        explicit BitmapDescriptor (const std::shared_ptr<BitmapDescriptor>& rpDefault);
+
+        enum Mode {Normal, MouseOver, ButtonDown, Disabled, Mask};
+        const css::uno::Reference<css::rendering::XBitmap>& GetNormalBitmap() const;
+        css::uno::Reference<css::rendering::XBitmap> const & GetBitmap(const Mode eMode) const;
+        void SetBitmap (
+            const Mode eMode,
+            const css::uno::Reference<css::rendering::XBitmap>& rxBitmap);
+
+        sal_Int32 mnWidth;
+        sal_Int32 mnHeight;
+        sal_Int32 mnXOffset;
+        sal_Int32 mnYOffset;
+        sal_Int32 mnXHotSpot;
+        sal_Int32 mnYHotSpot;
+        css::util::Color maReplacementColor;
+        enum TexturingMode { Once, Repeat, Stretch };
+        TexturingMode meHorizontalTexturingMode;
+        TexturingMode meVerticalTexturingMode;
+
+    private:
+        css::uno::Reference<css::rendering::XBitmap> mxNormalBitmap;
+        css::uno::Reference<css::rendering::XBitmap> mxMouseOverBitmap;
+        css::uno::Reference<css::rendering::XBitmap> mxButtonDownBitmap;
+        css::uno::Reference<css::rendering::XBitmap> mxDisabledBitmap;
+        css::uno::Reference<css::rendering::XBitmap> mxMaskBitmap;
+    };
+
+    /** Create a new bitmap container from a section of the configuration.
+        @param rxComponentContext
+            The component context is used to create new API objects.
+        @param rxCanvas
+            Bitmaps are created specifically for this canvas.
+        @param rsConfigurationBase
+            The name of a configuration node whose sub-tree defines the
+            bitmap sets.
+    */
+    PresenterBitmapContainer (
+        const OUString& rsConfigurationBase,
+        const std::shared_ptr<PresenterBitmapContainer>& rpParentContainer,
+        const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+        const css::uno::Reference<css::drawing::XPresenterHelper>& rxPresenterHelper = nullptr);
+    PresenterBitmapContainer (
+        const css::uno::Reference<css::container::XNameAccess>& rsRootNode,
+        const std::shared_ptr<PresenterBitmapContainer>& rpParentContainer,
+        const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext,
+        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+        const css::uno::Reference<css::drawing::XPresenterHelper>& rxPresenterHelper = nullptr);
+    ~PresenterBitmapContainer();
+    PresenterBitmapContainer(const PresenterBitmapContainer&) = delete;
+    PresenterBitmapContainer& operator=(const PresenterBitmapContainer&) = delete;
+
+    void Initialize (
+        const css::uno::Reference<css::uno::XComponentContext>& rxComponentContext);
+
+    /** Return the bitmap set that is associated with the given name.
+    */
+    std::shared_ptr<BitmapDescriptor> GetBitmap (const OUString& rsName) const;
+
+    static std::shared_ptr<BitmapDescriptor> LoadBitmap (
+        const css::uno::Reference<css::container::XHierarchicalNameAccess>& rxNode,
+        const OUString& rsPathToBitmapNode,
+        const css::uno::Reference<css::drawing::XPresenterHelper>& rxPresenterHelper,
+        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+        const std::shared_ptr<BitmapDescriptor>& rpDefaultBitmap);
+
+private:
+    std::shared_ptr<PresenterBitmapContainer> mpParentContainer;
+    typedef ::std::map<OUString, std::shared_ptr<BitmapDescriptor> > BitmapContainer;
+    BitmapContainer maIconContainer;
+    css::uno::Reference<css::rendering::XCanvas> mxCanvas;
+    css::uno::Reference<css::drawing::XPresenterHelper> mxPresenterHelper;
+
+    void LoadBitmaps (
+        const css::uno::Reference<css::container::XNameAccess>& rsRootNode);
+    void ProcessBitmap (
+        const OUString& rsKey,
+        const css::uno::Reference<css::beans::XPropertySet>& rProperties);
+    static std::shared_ptr<BitmapDescriptor> LoadBitmap (
+        const css::uno::Reference<css::beans::XPropertySet>& rxProperties,
+        const css::uno::Reference<css::drawing::XPresenterHelper>& rxPresenterHelper,
+        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas,
+        const std::shared_ptr<PresenterBitmapContainer::BitmapDescriptor>& rpDefault);
+    static BitmapDescriptor::TexturingMode
+        StringToTexturingMode (std::u16string_view rsTexturingMode);
+};
+
+typedef PresenterBitmapContainer::BitmapDescriptor PresenterBitmapDescriptor;
+typedef std::shared_ptr<PresenterBitmapContainer::BitmapDescriptor> SharedBitmapDescriptor;
+
+} // end of namespace ::sdext::presenter
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */