// Copyright (c) 2025
// Utrecht University (The Netherlands),
// ETH Zurich (Switzerland),
// INRIA Sophia-Antipolis (France),
// Max-Planck-Institute Saarbruecken (Germany),
// and Tel-Aviv University (Israel).  All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.2-beta1/Arrangement_on_surface_2/include/CGAL/Draw_aos/Arr_bounded_renderer.h $
// $Id: include/CGAL/Draw_aos/Arr_bounded_renderer.h 431cfb5357d $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s): Shepard Liu       <shepard0liu@gmail.com>

#ifndef CGAL_DRAW_AOS_ARR_BOUNDED_RENDERER_H
#define CGAL_DRAW_AOS_ARR_BOUNDED_RENDERER_H

#include <CGAL/license/Arrangement_on_surface_2.h>

#include <CGAL/Bbox_2.h>
#include <CGAL/Draw_aos/Arr_approximation_cache.h>
#include <CGAL/Draw_aos/Arr_bounded_approximate_face.h>
#include <CGAL/Draw_aos/Arr_render_context.h>
#include <CGAL/Draw_aos/type_utils.h>

namespace CGAL {
namespace draw_aos {

/** @brief Render arrangement on surface within a bounding box.
 */
template <typename Arrangement>
class Arr_bounded_renderer {
  using Geom_traits = typename Arrangement::Geometry_traits_2;
  using Face_const_handle = typename Arrangement::Face_const_handle;
  using Render_context = Arr_render_context<Arrangement>;
  using Approx_cache = Arr_approximation_cache<Arrangement>;

public:
  Arr_bounded_renderer(const Render_context& ctx, Bbox_2 bbox) :
    m_ctx(ctx),
    m_bbox(bbox)
  {}

  Approx_cache render() const {
    Approx_cache cache;
    if(m_ctx.is_cancelled()) return cache;
    cache.vertices().reserve(m_ctx.m_arr.number_of_vertices());
    cache.halfedges().reserve(m_ctx.m_arr.number_of_halfedges());
    cache.faces().reserve(m_ctx.m_arr.number_of_faces());

    Arr_bounded_render_context<Arrangement> derived_ctx(m_ctx, m_bbox, cache);
    Arr_bounded_approximate_face<Arrangement> bounded_approx_face(derived_ctx);
    for(Face_const_handle fh = m_ctx.m_arr.faces_begin(); fh != m_ctx.m_arr.faces_end(); ++fh) bounded_approx_face(fh);

    return cache;
  }

private:
  const Render_context& m_ctx;
  const Bbox_2 m_bbox;
};

} // namespace draw_aos
} // namespace CGAL

#endif
