#ifdef _DEBUG

#define _STLP_DEBUG 1

#endif

#include "ext/CornerDeformation.h"

#include "ext/StrokeDeformation.h"

#include "ext/SquarePotential.h"

//#include "ext/StrokeParametricDeformer.h"

//#include "ext/NotSymmetricBezierPotential.h"

#include "ext/ContextStatus.h"

#include "ext/Designer.h"

//#include "ext/TriParam.h"

#include "ext/ExtUtil.h"

#include "DeformationSelector.h"

//#include <tcurves.h></tcurves.h>

//#include <tstrokeutil.h></tstrokeutil.h>

#include <algorithm></algorithm>

#include <iterator></iterator>

#include <vector></vector>

//#include "tstroke.h"

#include "tmathutil.h"

using namespace ToonzExt;

REGISTER(CornerDeformation, 2);

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

CornerDeformation::CornerDeformation() {

  this->setPotential(new SquarePotential);

  shortcutKey_ = ContextStatus::SHIFT;

}

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

CornerDeformation::~CornerDeformation() {}

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

void CornerDeformation::draw(Designer *designer) {

  StrokeDeformationImpl::draw(0);

  designer->draw(this);

}

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

bool CornerDeformation::findExtremes_(const ContextStatus *status,

                                      Interval &ret) {

  return ToonzExt::findNearestSpireCorners(status->stroke2change_, status->w_,

                                           ret, status->cornerSize_,

                                           &this->getSpiresList());

}

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

bool CornerDeformation::check_(const ContextStatus *status) {

  assert(status && "Not status available");

  TStroke *s = status->stroke2change_;

  double w   = status->w_;

  if (isASpireCorner(s, w, status->cornerSize_, &this->getSpiresList()))

    return true;

#ifdef USE_TOLERANCE_IN_SELECTION

  // analyse if the selected distance is close to an extreme if an

  //  extreme is almost an extreme prefer to select extreme

  const TPointD pressed = status->stroke2change_->getPoint(status->w_);

  double pixelTolerance2 = sq(5 * status->pixelSize_);

  // array of corners

  std::vector<double> corners;</double>

  // also if an straight extreme was not found prefer smooth

  if (cornersDetector(status->stroke2change_, status->cornerSize_, corners)) {

    while (!corners.empty()) {

      TPointD actual = status->stroke2change_->getPoint(corners.back());

      if (tdistance2(actual, pressed) < pixelTolerance2) {

        // status->w_ = corners.back();

        // out = CornerDeformation::instance();

        // break;

        this->w_ = corners.back();

        return true;

      }

      corners.pop_back();

    }

  }

#endif

  return false;

}

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

double CornerDeformation::findActionLength() {

  // just to limit action until parameters are not computed

  //  return  lengthOfAction_ < stroke2transform_->getLength() ?

  //          lengthOfAction_ : stroke2transform_->getLength();

  // return -1;//

  return stroke2manipulate_->getLength();

}

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

CornerDeformation *CornerDeformation::instance() {

  static CornerDeformation singleton;

  return &singleton;

}

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

//  End Of File

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