// Copyright 2013 Google Inc. All Rights Reserved.

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS-IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

// Author: ericv@google.com (Eric Veach)

#ifndef S2_S2SHAPEUTIL_SHAPE_EDGE_H_

#define S2_S2SHAPEUTIL_SHAPE_EDGE_H_

#include <cstdint>

#include "s2/_fp_contract_off.h"  // IWYU pragma: keep

#include "s2/s2point.h"

#include "s2/s2shape.h"

#include "s2/s2shapeutil_shape_edge_id.h"

namespace s2shapeutil {

// A class representing a ShapeEdgeId together with the two endpoints of that

// edge.  It should be passed by reference.

struct ShapeEdge {

 public:

  ShapeEdge() = default;

  ShapeEdge(int32_t shape_id, int32_t edge_id, const S2Shape::Edge& edge);

  ShapeEdgeId id() const { return id_; }

  const S2Point& v0() const { return edge_.v0; }

  const S2Point& v1() const { return edge_.v1; }

 private:

  ShapeEdgeId id_;

  S2Shape::Edge edge_;

};

//////////////////   Implementation details follow   ////////////////////

inline ShapeEdge::ShapeEdge(int32_t shape_id, int32_t edge_id,

                            const S2Shape::Edge& edge)

    : id_(shape_id, edge_id), edge_(edge) {}

}  // namespace s2shapeutil

#endif  // S2_S2SHAPEUTIL_SHAPE_EDGE_H_