/* * 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, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once namespace WebCore { template<typename ValueType> class SVGAnimationDiscreteFunction : public SVGAnimationFunction { public: SVGAnimationDiscreteFunction(AnimationMode animationMode, CalcMode, bool, bool) : SVGAnimationFunction(animationMode) { } bool isDiscrete() const override { return true; } void setToAtEndOfDurationValue(const String&) override { ASSERT_NOT_REACHED(); } void setFromAndByValues(SVGElement*, const String&, const String&) override { ASSERT_NOT_REACHED(); } void animate(SVGElement*, float progress, unsigned, ValueType& animated) { if ((m_animationMode == AnimationMode::FromTo && progress > 0.5) || m_animationMode == AnimationMode::To || progress == 1) animated = m_to; else animated = m_from; } protected: ValueType m_from; ValueType m_to; }; }