void InterpolationEffect::addInterpolationsFromKeyframes(
PropertyHandle property,
const Keyframe::PropertySpecificKeyframe& keyframeA,
const Keyframe::PropertySpecificKeyframe& keyframeB,
double applyFrom,
double applyTo) {
addInterpolation(keyframeA.createInterpolation(property, keyframeB),
&keyframeA.easing(), keyframeA.offset(), keyframeB.offset(),
applyFrom, applyTo);
}
void InterpolationEffect::addInterpolationsFromKeyframes(CSSPropertyID property, Element* element, const ComputedStyle* baseStyle, Keyframe::PropertySpecificKeyframe& keyframeA, Keyframe::PropertySpecificKeyframe& keyframeB, double applyFrom, double applyTo)
{
RefPtrWillBeRawPtr<Interpolation> interpolation = keyframeA.maybeCreateInterpolation(property, keyframeB, element, baseStyle);
if (interpolation) {
addInterpolation(interpolation, &keyframeA.easing(), keyframeA.offset(), keyframeB.offset(), applyFrom, applyTo);
} else {
RefPtrWillBeRawPtr<Interpolation> interpolationA = keyframeA.maybeCreateInterpolation(property, keyframeA, element, baseStyle);
RefPtrWillBeRawPtr<Interpolation> interpolationB = keyframeB.maybeCreateInterpolation(property, keyframeB, element, baseStyle);
ASSERT(interpolationA);
ASSERT(interpolationB);
Vector<TimingFunction::PartitionRegion> regions = Vector<TimingFunction::PartitionRegion>();
keyframeA.easing().partition(regions);
size_t regionIndex = 0;
for (const auto& region : regions) {
double regionStart = blend(keyframeA.offset(), keyframeB.offset(), region.start);
double regionEnd = blend(keyframeA.offset(), keyframeB.offset(), region.end);
double regionApplyFrom = regionIndex == 0 ? applyFrom : regionStart;
double regionApplyTo = regionIndex == regions.size() - 1 ? applyTo : regionEnd;
if (region.half == TimingFunction::RangeHalf::Lower) {
interpolation = interpolationA;
} else if (region.half == TimingFunction::RangeHalf::Upper) {
interpolation = interpolationB;
} else {
ASSERT_NOT_REACHED();
continue;
}
addInterpolation(interpolation.release(),
&keyframeA.easing(), regionStart, regionEnd, regionApplyFrom, regionApplyTo);
regionIndex++;
}
}
}