#include "ext/Potential.h"

#include <algorithm></algorithm>

#if defined(_MSC_VER) && (_MSC_VER <= 1200)

#pragma warning(push)

#pragma warning(disable : 4290)

#endif

//-----------------------------------------------------------------------------

ToonzExt::Potential::Potential() { isValid_ = false; }

//-----------------------------------------------------------------------------

void ToonzExt::Potential::setParameters(const TStroke *ref, double w,

                                        double actionLength) {

  isValid_ = true;

  assert(ref);

  if (!ref) throw std::invalid_argument("Not valid stroke!!!");

  assert(actionLength != 0.0);

  if (actionLength == 0.0) actionLength = TConsts::epsilon;

  assert(0.0 <= w && w <= 1.0);

  if (0.0 > w || w > 1.0) {

    throw std::invalid_argument("Not valid parameter!!!");

    //  w = std::min(std::max(0.0,w),1.0);

  }

  this->setParameters_(ref, w, actionLength);

}

//-----------------------------------------------------------------------------

double ToonzExt::Potential::value(double at) const {

  if (!isValid_) throw std::range_error("Not yet initialized potential!");

  assert(0.0 <= at && at <= 1.0);

  if (0 > at || at > 1.0) at = std::min(std::max(at, 0.0), 1.0);

  return this->value_(at);

}

//-----------------------------------------------------------------------------

//  End Of File

//-----------------------------------------------------------------------------

#if defined(_MSC_VER) && (_MSC_VER <= 1200)

#pragma warning(pop)

#endif