SVGAnimationFunction.h   [plain text]

/*
 * Copyright (C) 2018-2019 Apple Inc.  All rights reserved.
 *
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#pragma once

#include "SVGAttributeAnimator.h"

namespace WebCore {

class SVGElement;

class SVGAnimationFunction {
public:
    virtual ~SVGAnimationFunction() = default;

    virtual bool isDiscrete() const { return false; }

    virtual void setFromAndToValues(SVGElement* targetElement, const String&, const String&) = 0;
    virtual void setFromAndByValues(SVGElement* targetElement, const String&, const String&) = 0;
    virtual void setToAtEndOfDurationValue(const String&) = 0;

    virtual Optional<float> calculateDistance(SVGElement*, const String&, const String&) const { return { }; }
protected:
    SVGAnimationFunction(AnimationMode animationMode)
        : m_animationMode(animationMode)
    {
    }

    virtual void addFromAndToValues(SVGElement*) { }

    AnimationMode m_animationMode;
};

}