Source/WebCore/svg/properties/SVGAnimationAdditiveValueFunction.h

/*
 * Copyright (C) 2018-2019 Apple Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 */

#pragma once

#include "SVGAnimationAdditiveFunction.h"

namespace WebCore {

template<typename ValueType>
class SVGAnimationAdditiveValueFunction : public SVGAnimationAdditiveFunction {
public:
    using SVGAnimationAdditiveFunction::SVGAnimationAdditiveFunction;
    
protected:
    ValueType toAtEndOfDuration() const { return m_toAtEndOfDuration ? *m_toAtEndOfDuration : m_to; }

    ValueType m_from;
    ValueType m_to;
    Optional<ValueType> m_toAtEndOfDuration;
};

}