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/*
* Copyright (C) Research In Motion Limited 2011. All rights reserved.
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "SVGAnimatedNumber.h"
#include "SVGAnimateElementBase.h"
#include "SVGParserUtilities.h"
namespace WebCore {
SVGAnimatedNumberAnimator::SVGAnimatedNumberAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement)
: SVGAnimatedTypeAnimator(AnimatedNumber, animationElement, contextElement)
{
}
std::unique_ptr<SVGAnimatedType> SVGAnimatedNumberAnimator::constructFromString(const String& string)
{
return SVGAnimatedType::create(SVGPropertyTraits<float>::fromString(string));
}
std::unique_ptr<SVGAnimatedType> SVGAnimatedNumberAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
{
return constructFromBaseValue<SVGAnimatedNumber>(animatedTypes);
}
void SVGAnimatedNumberAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
{
stopAnimValAnimationForType<SVGAnimatedNumber>(animatedTypes);
}
void SVGAnimatedNumberAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType& type)
{
resetFromBaseValue<SVGAnimatedNumber>(animatedTypes, type);
}
void SVGAnimatedNumberAnimator::animValWillChange(const SVGElementAnimatedPropertyList& animatedTypes)
{
animValWillChangeForType<SVGAnimatedNumber>(animatedTypes);
}
void SVGAnimatedNumberAnimator::animValDidChange(const SVGElementAnimatedPropertyList& animatedTypes)
{
animValDidChangeForType<SVGAnimatedNumber>(animatedTypes);
}
void SVGAnimatedNumberAnimator::addAnimatedTypes(SVGAnimatedType* from, SVGAnimatedType* to)
{
ASSERT(from->type() == AnimatedNumber);
ASSERT(from->type() == to->type());
to->as<float>() += from->as<float>();
}
static float parseNumberFromString(SVGAnimationElement*, const String& string)
{
return SVGPropertyTraits<float>::fromString(string);
}
void SVGAnimatedNumberAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType* toAtEndOfDuration, SVGAnimatedType* animated)
{
ASSERT(m_animationElement);
ASSERT(m_contextElement);
auto fromNumber = (m_animationElement->animationMode() == ToAnimation ? animated : from)->as<float>();
auto toNumber = to->as<float>();
const auto toAtEndOfDurationNumber = toAtEndOfDuration->as<float>();
auto& animatedNumber = animated->as<float>();
// Apply CSS inheritance rules.
m_animationElement->adjustForInheritance<float>(parseNumberFromString, m_animationElement->fromPropertyValueType(), fromNumber, m_contextElement);
m_animationElement->adjustForInheritance<float>(parseNumberFromString, m_animationElement->toPropertyValueType(), toNumber, m_contextElement);
m_animationElement->animateAdditiveNumber(percentage, repeatCount, fromNumber, toNumber, toAtEndOfDurationNumber, animatedNumber);
}
float SVGAnimatedNumberAnimator::calculateDistance(const String& fromString, const String& toString)
{
ASSERT(m_contextElement);
float from = 0;
float to = 0;
parseNumberFromString(fromString, from);
parseNumberFromString(toString, to);
return fabsf(to - from);
}
}