SVGAnimatedNumber.cpp [plain text]
#include "config.h"
#if ENABLE(SVG)
#include "SVGAnimatedNumber.h"
#include "SVGAnimateElement.h"
#include "SVGParserUtilities.h"
using namespace std;
namespace WebCore {
SVGAnimatedNumberAnimator::SVGAnimatedNumberAnimator(SVGAnimationElement* animationElement, SVGElement* contextElement)
: SVGAnimatedTypeAnimator(AnimatedNumber, animationElement, contextElement)
{
}
PassOwnPtr<SVGAnimatedType> SVGAnimatedNumberAnimator::constructFromString(const String& string)
{
OwnPtr<SVGAnimatedType> animtedType = SVGAnimatedType::createNumber(new float);
float& animatedNumber = animtedType->number();
if (!parseNumberFromString(string, animatedNumber))
animatedNumber = 0;
return animtedType.release();
}
PassOwnPtr<SVGAnimatedType> SVGAnimatedNumberAnimator::startAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
{
return SVGAnimatedType::createNumber(constructFromBaseValue<SVGAnimatedNumber>(animatedTypes));
}
void SVGAnimatedNumberAnimator::stopAnimValAnimation(const SVGElementAnimatedPropertyList& animatedTypes)
{
stopAnimValAnimationForType<SVGAnimatedNumber>(animatedTypes);
}
void SVGAnimatedNumberAnimator::resetAnimValToBaseVal(const SVGElementAnimatedPropertyList& animatedTypes, SVGAnimatedType* type)
{
resetFromBaseValue<SVGAnimatedNumber>(animatedTypes, type, &SVGAnimatedType::number);
}
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->number() += from->number();
}
static float parseNumberFromString(SVGAnimationElement*, const String& string)
{
float number = 0;
parseNumberFromString(string, number);
return number;
}
void SVGAnimatedNumberAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGAnimatedType* from, SVGAnimatedType* to, SVGAnimatedType* toAtEndOfDuration, SVGAnimatedType* animated)
{
ASSERT(m_animationElement);
ASSERT(m_contextElement);
float fromNumber = m_animationElement->animationMode() == ToAnimation ? animated->number() : from->number();
float toNumber = to->number();
float toAtEndOfDurationNumber = toAtEndOfDuration->number();
float& animatedNumber = animated->number();
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);
}
}
#endif // ENABLE(SVG)