include/rive/animation/keyframe_interpolator.hpp

#ifndef _RIVE_KEY_FRAME_INTERPOLATOR_HPP_
#define _RIVE_KEY_FRAME_INTERPOLATOR_HPP_
#include "rive/generated/animation/keyframe_interpolator_base.hpp"
#include <stdio.h>
namespace rive
{

class InterpolatorHost
{
public:
  virtual ~InterpolatorHost() {}
  virtual bool overridesKeyedInterpolation(int propertyKey) = 0;
  static InterpolatorHost* from(Core* component);
};

class KeyFrameInterpolator : public KeyFrameInterpolatorBase
{
public:
  /// Convert a linear interpolation value to an eased one.
  virtual float transformValue(
      float valueFrom,
      float valueTo,
      float factor) = 0;

  /// Convert a linear interpolation factor to an eased one.
  virtual float transform(float factor) const = 0;

  StatusCode import(ImportStack& importStack) override;
  // Keyframes look interpolators up by artboard index.
  bool claimsArtboardSlot(ImportStack& importStack) const override
  {
    return true;
  }

  virtual void initialize() {};
};
} // namespace rive

#endif