obj_import_nurbs.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "BKE_curve.hh"
 
#include "BLI_utility_mixins.hh"
 
#include "DNA_curve_types.h"
 
#include "obj_import_objects.hh"
 
struct OBJImportParams;
 
namespace blender::io::obj {

class CurveFromGeometry : NonMovable, NonCopyable {
 private:
  const Geometry &curve_geometry_;
  const GlobalVertices &global_vertices_;
 
 public:
  CurveFromGeometry(const Geometry &geometry, const GlobalVertices &global_vertices)
      : curve_geometry_(geometry), global_vertices_(global_vertices)
  {
  }
 
  Curves *create_curve(const OBJImportParams &import_params);
 
  Object *create_curve_object(Main *bmain, const OBJImportParams &import_params);
 
 private:
  void create_nurbs(Curve *curve, const OBJImportParams &import_params);
  void create_nurbs(bke::CurvesGeometry &curve, const OBJImportParams &import_params);
 
  short detect_knot_mode(const OBJImportParams &import_params,
                         int8_t degree,
                         Span<int> indices,
                         Span<float> knots,
                         Span<int> multiplicity);
};
}  // namespace blender::io::obj