/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * 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
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 *   ownership. The ASF licenses this file to you under the Apache
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#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_COMBTRANSITION_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_COMBTRANSITION_HXX

#include "slidechangebase.hxx"

namespace slideshow::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 presentation::internal

#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_COMBTRANSITION_HXX

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