void SVGAnimatedLengthListAnimator::calculateAnimatedValue(float percentage, unsigned repeatCount,
OwnPtr<SVGAnimatedType>& from, OwnPtr<SVGAnimatedType>& to, OwnPtr<SVGAnimatedType>& animated)
{
ASSERT(m_animationElement);
ASSERT(m_contextElement);
SVGAnimateElement* animationElement = static_cast<SVGAnimateElement*>(m_animationElement);
AnimationMode animationMode = animationElement->animationMode();
// To animation uses contributions from the lower priority animations as the base value.
SVGLengthList& fromLengthList = from->lengthList();
SVGLengthList& animatedLengthList = animated->lengthList();
if (animationMode == ToAnimation)
fromLengthList = animatedLengthList;
// Replace 'inherit' by their computed property values.
SVGLengthList& toLengthList = to->lengthList();
if (animationElement->fromPropertyValueType() == InheritValue) {
String fromLengthString;
animationElement->adjustForInheritance(m_contextElement, animationElement->attributeName(), fromLengthString);
fromLengthList.parse(fromLengthString, m_lengthMode);
}
if (animationElement->toPropertyValueType() == InheritValue) {
String toLengthString;
animationElement->adjustForInheritance(m_contextElement, animationElement->attributeName(), toLengthString);
toLengthList.parse(toLengthString, m_lengthMode);
}
unsigned itemsCount = fromLengthList.size();
if (itemsCount != toLengthList.size()) {
if (percentage < 0.5) {
if (animationMode != ToAnimation)
animatedLengthList = fromLengthList;
} else
animatedLengthList = toLengthList;
return;
}
bool animatedListSizeEqual = itemsCount == animatedLengthList.size();
if (!animatedListSizeEqual)
animatedLengthList.clear();
SVGLengthContext lengthContext(m_contextElement);
ExceptionCode ec = 0;
for (unsigned i = 0; i < itemsCount; ++i) {
float result = animatedListSizeEqual ? animatedLengthList[i].value(lengthContext) : 0;
SVGLengthType unitType = percentage < 0.5 ? fromLengthList[i].unitType() : toLengthList[i].unitType();
SVGAnimatedNumberAnimator::calculateAnimatedNumber(animationElement, percentage, repeatCount, result, fromLengthList[i].value(lengthContext), toLengthList[i].value(lengthContext));
if (!animatedListSizeEqual)
animatedLengthList.append(SVGLength(lengthContext, result, m_lengthMode, unitType));
else {
animatedLengthList[i].setValue(lengthContext, result, m_lengthMode, unitType, ec);
ASSERT(!ec);
}
}
}
void SVGAnimatedColorAnimator::calculateAnimatedValue(float percentage, unsigned,
OwnPtr<SVGAnimatedType>& from, OwnPtr<SVGAnimatedType>& to, OwnPtr<SVGAnimatedType>& animated)
{
ASSERT(m_animationElement);
ASSERT(m_contextElement);
SVGAnimateElement* animationElement = static_cast<SVGAnimateElement*>(m_animationElement);
AnimationMode animationMode = animationElement->animationMode();
Color& fromColor = from->color();
Color& toColor = to->color();
Color& animatedColor = animated->color();
// To animation uses contributions from the lower priority animations as the base value.
if (animationMode == ToAnimation)
fromColor = animatedColor;
// Replace 'currentColor' / 'inherit' by their computed property values.
AnimatedPropertyValueType fromPropertyValueType = animationElement->fromPropertyValueType();
if (fromPropertyValueType == CurrentColorValue)
animationElement->adjustForCurrentColor(m_contextElement, fromColor);
else if (fromPropertyValueType == InheritValue) {
String fromColorString;
animationElement->adjustForInheritance(m_contextElement, animationElement->attributeName(), fromColorString);
fromColor = SVGColor::colorFromRGBColorString(fromColorString);
}
AnimatedPropertyValueType toPropertyValueType = animationElement->toPropertyValueType();
if (toPropertyValueType == CurrentColorValue)
animationElement->adjustForCurrentColor(m_contextElement, toColor);
else if (toPropertyValueType == InheritValue) {
String toColorString;
animationElement->adjustForInheritance(m_contextElement, animationElement->attributeName(), toColorString);
toColor = SVGColor::colorFromRGBColorString(toColorString);
}
Color color;
if (animationElement->calcMode() == CalcModeDiscrete)
color = percentage < 0.5 ? fromColor : toColor;
else
color = ColorDistance(fromColor, toColor).scaledDistance(percentage).addToColorAndClamp(fromColor);
// FIXME: Accumulate colors.
if (animationElement->isAdditive() && animationMode != ToAnimation)
animatedColor = ColorDistance::addColorsAndClamp(animatedColor, color);
else
animatedColor = color;
return;
}