AdvancedPredicates1D.h

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include <string>
 
#include "AdvancedFunctions1D.h"
#include "Predicates1D.h"
 
#include "../view_map/Interface1D.h"
 
//
// Predicates definitions
//
 
namespace Freestyle {
 
namespace Predicates1D {
 
// DensityLowerThanUP1D
class DensityLowerThanUP1D : public UnaryPredicate1D {
 public:
  DensityLowerThanUP1D(double threshold, double sigma = 2)
  {
    _threshold = threshold;
    _sigma = sigma;
  }
 
  string getName() const
  {
    return "DensityLowerThanUP1D";
  }
 
  int operator()(Interface1D &inter)
  {
    Functions1D::DensityF1D fun(_sigma);
    if (fun(inter) < 0) {
      return -1;
    }
    result = (fun.result < _threshold);
    return 0;
  }
 
 private:
  double _sigma;
  double _threshold;
};
 
}  // end of namespace Predicates1D
 
} /* namespace Freestyle */