src/animation/keyframe_interpolator.cpp

#include "rive/animation/keyframe_interpolator.hpp"
#include "rive/artboard.hpp"
#include "rive/backboard.hpp"
#include "rive/core.hpp"
#include "rive/importers/artboard_importer.hpp"
#include "rive/importers/backboard_importer.hpp"
#include "rive/importers/import_stack.hpp"
#include "rive/layout_component.hpp"

using namespace rive;

InterpolatorHost* InterpolatorHost::from(Core* component)
{
    switch (component->coreType())
    {
        case LayoutComponent::typeKey:
            return component->as<LayoutComponent>();
        default:
            return nullptr;
    }
    return nullptr;
}

StatusCode KeyFrameInterpolator::import(ImportStack& importStack)
{
    auto artboardImporter =
        importStack.latest<ArtboardImporter>(ArtboardBase::typeKey);
    if (artboardImporter != nullptr)
    {
        artboardImporter->addComponent(this);
    }
    else
    {
        auto backboardImporter =
            importStack.latest<BackboardImporter>(BackboardBase::typeKey);
        if (backboardImporter != nullptr)
        {
            backboardImporter->addInterpolator(this);
        }
        else
        {
            return StatusCode::MissingObject;
        }
    }
    return Super::import(importStack);
}