Replaced get_data() and set_data() with get_env_data() and set_env_data() to avoid clashes with other extensions of the Dcel; Added template parameters (vertex-base, halfedge-base, and face-base) with default values to Envelope_pm_dcel

This commit is contained in:
Efi Fogel 2024-01-30 00:55:26 +02:00
parent fe1843d245
commit afff35cbdd
1 changed files with 184 additions and 321 deletions

View File

@ -21,19 +21,18 @@
#include <CGAL/Arr_default_dcel.h> #include <CGAL/Arr_default_dcel.h>
#include <CGAL/Envelope_3/Envelope_base.h> #include <CGAL/Envelope_3/Envelope_base.h>
namespace CGAL namespace CGAL {
{
namespace Envelope_3
{
template <class Data> namespace Envelope_3 {
class Dcel_info
{ template <typename Data_>
class Dcel_info {
public: public:
typedef Dcel_info<Data> Self; using Data = Data_;
typedef std::list<Data> Data_container; using Self = Dcel_info<Data>;
typedef typename Data_container::iterator Data_iterator; using Data_container = std::list<Data>;
typedef typename Data_container::const_iterator Data_const_iterator; using Data_iterator = typename Data_container::iterator;
using Data_const_iterator = typename Data_container::const_iterator;
protected: protected:
/*! data container */ /*! data container */
@ -46,8 +45,7 @@ protected:
Dac_decision m_decision; Dac_decision m_decision;
public: public:
/*! Constructor */ /*! Constructor */
Dcel_info() : m_is_set(false), m_decision(DAC_DECISION_NOT_SET) Dcel_info() : m_is_set(false), m_decision(DAC_DECISION_NOT_SET) {}
{}
/*! \brief returns true iff data has been set already */ /*! \brief returns true iff data has been set already */
bool get_is_set() const { return m_is_set; } bool get_is_set() const { return m_is_set; }
@ -55,194 +53,127 @@ public:
/*! \brief resets the flag */ /*! \brief resets the flag */
void set_is_set(bool flag) { m_is_set = flag; } void set_is_set(bool flag) { m_is_set = flag; }
bool is_decision_set() bool is_decision_set() { return (m_decision != DAC_DECISION_NOT_SET); }
{
return (m_decision != DAC_DECISION_NOT_SET);
}
Dac_decision get_decision() const Dac_decision get_decision() const { return m_decision; }
{
return m_decision;
}
void set_decision(Comparison_result comp) void set_decision(Comparison_result comp)
{ { m_decision = enum_cast<Dac_decision>(comp); }
m_decision = enum_cast<Dac_decision>(comp);
}
void set_decision(Dac_decision dec) void set_decision(Dac_decision dec) { m_decision = dec; }
{
m_decision = dec;
}
/*! User-friendly interface: */ /*! User-friendly interface: */
size_t number_of_surfaces () const size_t number_of_surfaces() const { return m_data.size(); }
{
return (m_data.size());
}
Data_const_iterator surfaces_begin () const Data_const_iterator surfaces_begin() const { return m_data.begin(); }
{
return (m_data.begin());
}
Data_const_iterator surfaces_end () const Data_const_iterator surfaces_end() const { return m_data.end(); }
{
return (m_data.end());
}
/*! /*! Obtain the first Xy-monotone surface associated with the face.
* Get the first Xy-monotone surface associated with the face.
* \pre number_of_surfaces() is not 0. * \pre number_of_surfaces() is not 0.
*/ */
const Data& surface() const const Data& surface() const {
{ CGAL_precondition(m_data.size() > 0);
CGAL_precondition (m_data.size() > 0); return m_data.front();
return (m_data.front());
} }
/*! /*! Obtain the number of data objects associated with the face.
* Get the number of data objects associated with the face.
*/ */
int number_of_data_objects() const int number_of_data_objects() const { return static_cast<int>(m_data.size()); }
{
return static_cast<int>(m_data.size());
}
/*! /*! Check whether the data is set to be empty
* check if the data is set to be empty
*/ */
bool has_no_data() const bool has_no_data() const
{ { return (m_is_set && (number_of_data_objects() == 0)); }
return (m_is_set && number_of_data_objects() == 0);
}
/*! /*! Obtain the first data object associated with the face.
* Get the first data object associated with the face.
* \pre number_of_data_objects() is not 0. * \pre number_of_data_objects() is not 0.
*/ */
const Data& get_data() const const Data& get_env_data() const {
{ CGAL_precondition(m_data.size() > 0);
CGAL_precondition (m_data.size() > 0); return m_data.front();
return (m_data.front());
} }
/*! /*! Obtain the data iterators (const version).
* Get the data iterators (const version).
*/ */
Data_const_iterator begin_data() const Data_const_iterator begin_data() const { return m_data.begin(); }
{
return (m_data.begin());
}
Data_const_iterator end_data() const Data_const_iterator end_data() const { return m_data.end(); }
{
return (m_data.end());
}
/*! /*! Obtain the data iterators (non-const version).
* Get the data iterators (non-const version).
*/ */
Data_iterator begin_data() Data_iterator begin_data() { return m_data.begin(); }
{
return (m_data.begin());
}
Data_iterator end_data() Data_iterator end_data() { return m_data.end(); }
{
return (m_data.end());
}
/*! /*! Set a data object to the face.
* Set a data object to the face.
* \param data The data object to set. * \param data The data object to set.
*/ */
void set_data (const Data & data) void set_env_data(const Data& data) {
{
clear_data(); clear_data();
add_data(data); add_data(data);
} }
/*! /*! Set a range of data objects to the face.
* Set a range of data objects to the face.
* \param begin A begin iterator for the data range. * \param begin A begin iterator for the data range.
* \param end A past-the-end iterator for the data range. * \param end A past-the-end iterator for the data range.
*/ */
template <class InputIterator> template <typename InputIterator>
void set_data(const InputIterator & begin, const InputIterator & end) void set_env_data(InputIterator begin, InputIterator end) {
{
clear_data(); clear_data();
add_data(begin, end); add_data(begin, end);
} }
/*! /*! set the data to be empty.
* set the data to be empty.
*/ */
void set_no_data() void set_no_data() {
{
clear_data(); clear_data();
m_is_set = true; m_is_set = true;
} }
/*! /*! Add a data object to the face.
* Add a data object to the face.
* \param data The additional data object. * \param data The additional data object.
*/ */
void add_data (const Data & data) void add_data(const Data& data) {
{
m_data.push_back(data); m_data.push_back(data);
m_is_set = true; m_is_set = true;
} }
/*! /*! Add a range of data objects to the face.
* Add a range of data objects to the face.
* \param begin A begin iterator for the data range. * \param begin A begin iterator for the data range.
* \param end A past-the-end iterator for the data range. * \param end A past-the-end iterator for the data range.
*/ */
template <class InputIterator> template <typename InputIterator>
void add_data (const InputIterator & begin, const InputIterator & end) void add_data(InputIterator begin, InputIterator end) {
{ for (auto it = begin; it != end; it++) m_data.push_back(*it);
InputIterator it;
for (it = begin; it != end; it++)
m_data.push_back(*it);
m_is_set = true; m_is_set = true;
} }
/*! /*! Clear the data objects.
* Clear the data objects.
*/ */
void clear_data () void clear_data() {
{
m_data.clear(); m_data.clear();
m_is_set = false; m_is_set = false;
} }
/*! /*! Check whether the set of data objects in the input range is equal to our
* Check if the set of data objects in the input range is equal to our
* set of data objects * set of data objects
*/ */
template <class InputIterator> template <typename InputIterator>
bool is_equal_data(const InputIterator & begin, const InputIterator & end) bool is_equal_data(InputIterator begin, InputIterator end) const {
const if (! get_is_set()) return false;
{
if (!get_is_set())
return false;
// insert the input data objects into a set // insert the input data objects into a set
std::set<Data> input_data(begin, end); std::set<Data> input_data(begin, end);
std::set<Data> my_data(begin_data(), end_data()); std::set<Data> my_data(begin_data(), end_data());
if (input_data.size() != my_data.size()) if (input_data.size() != my_data.size()) return false;
return false;
return (my_data == input_data); return (my_data == input_data);
} }
template <class InputIterator> template <typename InputIterator>
bool has_equal_data(const InputIterator & begin, const InputIterator & end) bool has_equal_data(InputIterator begin, InputIterator end) const {
const if (! get_is_set()) return false;
{
if (!get_is_set())
return false;
// insert the input data objects into a set // insert the input data objects into a set
std::set<Data> input_data(begin, end); std::set<Data> input_data(begin, end);
std::set<Data> my_data(begin_data(), end_data()); std::set<Data> my_data(begin_data(), end_data());
@ -260,49 +191,46 @@ protected:
public: public:
template<class HandleType> template<class HandleType>
void set_aux_source(unsigned int id, HandleType h) void set_aux_source(unsigned int id, HandleType h) {
{
CGAL_precondition(id < 2); CGAL_precondition(id < 2);
m_aux_source[id] = make_object(h); m_aux_source[id] = make_object(h);
} }
void set_aux_source(unsigned int id, const Object& o)
{ void set_aux_source(unsigned int id, const Object& o) {
CGAL_precondition(id < 2); CGAL_precondition(id < 2);
CGAL_precondition(!o.is_empty()); CGAL_precondition(!o.is_empty());
m_aux_source[id] = o; m_aux_source[id] = o;
} }
const Object& get_aux_source(unsigned int id) const Object& get_aux_source(unsigned int id) {
{
CGAL_precondition(id < 2); CGAL_precondition(id < 2);
CGAL_precondition (!m_aux_source[id].is_empty()); CGAL_precondition (!m_aux_source[id].is_empty());
return m_aux_source[id]; return m_aux_source[id];
} }
/*! \brief returns true iff the point has been set already */ /*! \brief returns true iff the point has been set already */
bool get_aux_is_set(unsigned int id) const bool get_aux_is_set(unsigned int id) const {
{
CGAL_precondition(id < 2); CGAL_precondition(id < 2);
return (!m_aux_source[id].is_empty()); return (! m_aux_source[id].is_empty());
} }
}; };
/*! Extend the planar-map vertex */ /*! Extend the planar-map vertex */
template <class Point_2, class Data> template <typename BaseVertex, class VertexData>
class Envelope_pm_vertex : public CGAL::Arr_vertex_base<Point_2>, class Envelope_pm_vertex : public BaseVertex, public Dcel_info<VertexData> {
public Dcel_info<Data> public:
{ using Base_vertex = BaseVertex;
typedef CGAL::Arr_vertex_base<Point_2> Base_vertex; using Vertex_data = VertexData;
typedef Dcel_info<Data> Base_info;
typedef Envelope_pm_vertex<Point_2, Data> Self; private:
using Self = Envelope_pm_vertex<Base_vertex, Vertex_data>;
protected: protected:
// all flags are bits in this variable: // all flags are bits in this variable:
unsigned short flags; unsigned short flags;
// the flags indications: // the flags indications:
enum Bit_pos enum Bit_pos {
{
// for an isolated vertex only // for an isolated vertex only
IS_EQUAL = 0, IS_EQUAL = 0,
IS_EQUAL_AUX = 1, IS_EQUAL_AUX = 1,
@ -316,10 +244,12 @@ protected:
// intersection points // intersection points
IS_INTERSECTION = 7 IS_INTERSECTION = 7
}; };
public: public:
using Base_info = Dcel_info<Vertex_data>;
/*! Constructor */ /*! Constructor */
Envelope_pm_vertex() : Dcel_info<Data>(), flags(0) Envelope_pm_vertex() : Dcel_info<Vertex_data>(), flags(0) {}
{}
/*void set_is_fake(bool b) /*void set_is_fake(bool b)
{ {
@ -339,42 +269,26 @@ public:
return get_bit(IS_FAKE); return get_bit(IS_FAKE);
}*/ }*/
void set_is_equal_data_in_face(bool b) void set_is_equal_data_in_face(bool b) { set_bit(IS_EQUAL, b); }
{ bool get_is_equal_data_in_face() const { return get_bit(IS_EQUAL); }
set_bit(IS_EQUAL, b);
}
bool get_is_equal_data_in_face() const
{
return get_bit(IS_EQUAL);
}
void set_has_equal_data_in_face(bool b) void set_has_equal_data_in_face(bool b) { set_bit(HAS_EQUAL, b); }
{ bool get_has_equal_data_in_face() const { return get_bit(HAS_EQUAL); }
set_bit(HAS_EQUAL, b);
}
bool get_has_equal_data_in_face() const
{
return get_bit(HAS_EQUAL);
}
void set_is_equal_aux_data_in_face(unsigned int id, bool b) void set_is_equal_aux_data_in_face(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(IS_EQUAL_AUX+id, b); set_bit(IS_EQUAL_AUX+id, b);
} }
bool get_is_equal_aux_data_in_face(unsigned int id) const bool get_is_equal_aux_data_in_face(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(IS_EQUAL_AUX+id); return get_bit(IS_EQUAL_AUX+id);
} }
void set_has_equal_aux_data_in_face(unsigned int id, bool b) void set_has_equal_aux_data_in_face(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(HAS_EQUAL_AUX+id, b); set_bit(HAS_EQUAL_AUX+id, b);
} }
bool get_has_equal_aux_data_in_face(unsigned int id) const bool get_has_equal_aux_data_in_face(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(HAS_EQUAL_AUX+id); return get_bit(HAS_EQUAL_AUX+id);
} }
@ -382,8 +296,7 @@ public:
/*! Assign from another vertex. /*! Assign from another vertex.
* \param v the other vertex. * \param v the other vertex.
*/ */
virtual void assign(const Base_vertex & v) virtual void assign(const Base_vertex& v) {
{
Base_vertex::assign(v); Base_vertex::assign(v);
const Self & ex_v = static_cast<const Self&>(v); const Self & ex_v = static_cast<const Self&>(v);
@ -392,18 +305,13 @@ public:
} }
protected: protected:
void set_bit(unsigned int ind, bool b) void set_bit(unsigned int ind, bool b) {
{ // set bit "ind" to 1 or 0:
if (b) if (b) flags |= (1 << ind);
// set bit "ind" to 1: else flags &= ~(1 << ind);
flags |= (1 << ind);
else
// set bit "ind" to 0:
flags &= ~(1 << ind);
} }
bool get_bit(unsigned int ind) const bool get_bit(unsigned int ind) const {
{
// (1 << i) is bit i on, other bits off (start counting from 0) // (1 << i) is bit i on, other bits off (start counting from 0)
unsigned int mask = 1 << ind; unsigned int mask = 1 << ind;
return ((flags & mask) == mask); return ((flags & mask) == mask);
@ -411,23 +319,22 @@ protected:
}; };
/*! Extend the planar-map halfedge */ /*! Extend the planar-map halfedge */
template <class X_monotone_curve_2, class Data> template <typename BaseHalfedge, typename HalfedgeData>
class class Envelope_pm_halfedge : public BaseHalfedge,
Envelope_pm_halfedge : public CGAL::Arr_halfedge_base<X_monotone_curve_2>, public Dcel_info<HalfedgeData> {
public Dcel_info<Data> public:
{ using Base_halfedge = BaseHalfedge;
typedef CGAL::Arr_halfedge_base<X_monotone_curve_2> Base_halfedge; using Halfedge_data = HalfedgeData;
typedef Dcel_info<Data> Base_info;
typedef Envelope_pm_halfedge<X_monotone_curve_2, Data> Self; private:
using Self = Envelope_pm_halfedge<Base_halfedge, Halfedge_data>;
protected: protected:
// all flags are bits in this variable: // all flags are bits in this variable:
unsigned int flags; unsigned int flags;
// flags indications // flags indications
enum Bit_pos enum Bit_pos {
{
// indications for the Envelope algorithm // indications for the Envelope algorithm
// relation between halfedge and incident face // relation between halfedge and incident face
IS_EQUAL_FACE = 0, IS_EQUAL_FACE = 0,
@ -448,8 +355,9 @@ protected:
}; };
public: public:
Envelope_pm_halfedge() : Dcel_info<Data>(), flags(0) using Base_info = Dcel_info<Halfedge_data>;
{}
Envelope_pm_halfedge() : Dcel_info<Halfedge_data>(), flags(0) {}
/* void set_is_fake(bool b) /* void set_is_fake(bool b)
{ {
@ -460,102 +368,64 @@ public:
return get_bit(IS_FAKE); return get_bit(IS_FAKE);
}*/ }*/
void set_is_equal_data_in_face(bool b) void set_is_equal_data_in_face(bool b) { set_bit(IS_EQUAL_FACE, b); }
{ bool get_is_equal_data_in_face() const { return get_bit(IS_EQUAL_FACE); }
set_bit(IS_EQUAL_FACE, b);
}
bool get_is_equal_data_in_face() const
{
return get_bit(IS_EQUAL_FACE);
}
void set_has_equal_data_in_face(bool b) void set_has_equal_data_in_face(bool b) { set_bit(HAS_EQUAL_FACE, b); }
{ bool get_has_equal_data_in_face() const { return get_bit(HAS_EQUAL_FACE); }
set_bit(HAS_EQUAL_FACE, b);
}
bool get_has_equal_data_in_face() const
{
return get_bit(HAS_EQUAL_FACE);
}
void set_is_equal_aux_data_in_face(unsigned int id, bool b) void set_is_equal_aux_data_in_face(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(IS_EQUAL_AUX_FACE+id, b); set_bit(IS_EQUAL_AUX_FACE+id, b);
} }
bool get_is_equal_aux_data_in_face(unsigned int id) const bool get_is_equal_aux_data_in_face(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(IS_EQUAL_AUX_FACE+id); return get_bit(IS_EQUAL_AUX_FACE+id);
} }
void set_has_equal_aux_data_in_face(unsigned int id, bool b) void set_has_equal_aux_data_in_face(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(HAS_EQUAL_AUX_FACE+id, b); set_bit(HAS_EQUAL_AUX_FACE+id, b);
} }
bool get_has_equal_aux_data_in_face(unsigned int id) const bool get_has_equal_aux_data_in_face(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(HAS_EQUAL_AUX_FACE+id); return get_bit(HAS_EQUAL_AUX_FACE+id);
} }
void set_is_equal_data_in_target(bool b) void set_is_equal_data_in_target(bool b) { set_bit(IS_EQUAL_TARGET, b); }
{ bool get_is_equal_data_in_target() const { return get_bit(IS_EQUAL_TARGET); }
set_bit(IS_EQUAL_TARGET, b);
}
bool get_is_equal_data_in_target() const
{
return get_bit(IS_EQUAL_TARGET);
}
void set_has_equal_data_in_target(bool b) void set_has_equal_data_in_target(bool b) { set_bit(HAS_EQUAL_TARGET, b); }
{ bool get_has_equal_data_in_target() const { return get_bit(HAS_EQUAL_TARGET); }
set_bit(HAS_EQUAL_TARGET, b);
}
bool get_has_equal_data_in_target() const
{
return get_bit(HAS_EQUAL_TARGET);
}
void set_is_equal_aux_data_in_target(unsigned int id, bool b) void set_is_equal_aux_data_in_target(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(IS_EQUAL_AUX_TARGET+id, b); set_bit(IS_EQUAL_AUX_TARGET+id, b);
} }
bool get_is_equal_aux_data_in_target(unsigned int id) const bool get_is_equal_aux_data_in_target(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(IS_EQUAL_AUX_TARGET+id); return get_bit(IS_EQUAL_AUX_TARGET+id);
} }
void set_has_equal_aux_data_in_target(unsigned int id, bool b) void set_has_equal_aux_data_in_target(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(HAS_EQUAL_AUX_TARGET+id, b); set_bit(HAS_EQUAL_AUX_TARGET+id, b);
} }
bool get_has_equal_aux_data_in_target(unsigned int id) const bool get_has_equal_aux_data_in_target(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(HAS_EQUAL_AUX_TARGET+id); return get_bit(HAS_EQUAL_AUX_TARGET+id);
} }
// access to flags that contain relation between target and face // access to flags that contain relation between target and face
void set_has_equal_data_in_target_and_face(bool b) void set_has_equal_data_in_target_and_face(bool b)
{ { set_bit(HAS_EQUAL_F_T, b); }
set_bit(HAS_EQUAL_F_T, b);
}
bool get_has_equal_data_in_target_and_face() const bool get_has_equal_data_in_target_and_face() const
{ { return get_bit(HAS_EQUAL_F_T); }
return get_bit(HAS_EQUAL_F_T);
}
void set_has_equal_aux_data_in_target_and_face(unsigned int id, bool b) void set_has_equal_aux_data_in_target_and_face(unsigned int id, bool b) {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
set_bit(HAS_EQUAL_AUX_F_T+id, b); set_bit(HAS_EQUAL_AUX_F_T+id, b);
} }
bool get_has_equal_aux_data_in_target_and_face(unsigned int id) const bool get_has_equal_aux_data_in_target_and_face(unsigned int id) const {
{
CGAL_assertion(id < 2); CGAL_assertion(id < 2);
return get_bit(HAS_EQUAL_AUX_F_T+id); return get_bit(HAS_EQUAL_AUX_F_T+id);
} }
@ -563,8 +433,7 @@ public:
/*! Assign from another halfedge. /*! Assign from another halfedge.
* \param h the other halfedge. * \param h the other halfedge.
*/ */
virtual void assign(const Base_halfedge & h) virtual void assign(const Base_halfedge& h) {
{
Base_halfedge::assign(h); Base_halfedge::assign(h);
const Self & ex_h = static_cast<const Self&>(h); const Self & ex_h = static_cast<const Self&>(h);
@ -573,99 +442,93 @@ public:
} }
protected: protected:
void set_bit(unsigned int ind, bool b) void set_bit(unsigned int ind, bool b) {
{ if (b) flags |= (1 << ind);
if (b) else flags &= ~(1 << ind);
// set bit "ind" to 1:
flags |= (1 << ind);
else
// set bit "ind" to 0:
flags &= ~(1 << ind);
CGAL_assertion(get_bit(ind) == b); CGAL_assertion(get_bit(ind) == b);
} }
bool get_bit(unsigned int ind) const bool get_bit(unsigned int ind) const {
{
// (1 << i) is bit i on, other bits off (start counting from 0) // (1 << i) is bit i on, other bits off (start counting from 0)
unsigned int mask = 1 << ind; unsigned int mask = 1 << ind;
return ((flags & mask) == mask); return ((flags & mask) == mask);
} }
}; };
/*! Extend the planar-map face */ //! Extend the planar-map face.
template <class Data> template <typename BaseFace, typename FaceData>
class Envelope_pm_face : public CGAL::Arr_face_base, class Envelope_pm_face : public BaseFace, public Dcel_info<FaceData> {
public Dcel_info<Data> public:
{ using Base_face = BaseFace;
typedef CGAL::Arr_face_base Base_face; using Face_data = FaceData;
typedef Dcel_info<Data> Base_info;
typedef Envelope_pm_face<Data> Self; private:
using Self = Envelope_pm_face<Base_face, Face_data>;
public: public:
typedef std::list<Data> Data_container; using Base_info = Dcel_info<Face_data>;
typedef typename Data_container::iterator Data_iterator; using Data_container = std::list<Face_data>;
typedef typename Data_container::const_iterator Data_const_iterator; using Data_iterator = typename Data_container::iterator;
using Data_const_iterator = typename Data_container::const_iterator;
/*! Constructor */ /*! Construct.
Envelope_pm_face() : Dcel_info<Data>() */
{} Envelope_pm_face() : Dcel_info<Face_data>() {}
/*! Assign from another face. /*! Assign from another face.
* \param f the other face. * \param f the other face.
*/ */
virtual void assign (const Base_face & f) virtual void assign(const Base_face& f) {
{
Base_face::assign(f); Base_face::assign(f);
const Self & ex_f = static_cast<const Self&>(f); const Self& ex_f = static_cast<const Self&>(f);
this->Base_info::operator=(ex_f); this->Base_info::operator=(ex_f);
} }
}; };
/*! A new dcel builder with full Envelope features */ /*! A new dcel builder with full Envelope features */
template <class Traits, class Data> template <typename Traits_, typename DcelData,
class Envelope_pm_dcel : public typename VertexBase = Arr_vertex_base<typename Traits_::Point_2>,
CGAL::Arr_dcel_base<Envelope_pm_vertex<typename Traits::Point_2, Data>, typename HalfedgeBase =
Envelope_pm_halfedge<typename Traits::X_monotone_curve_2, Arr_halfedge_base<typename Traits_::X_monotone_curve_2>,
Data>, typename FaceBase = Arr_face_base>
Envelope_pm_face<Data> > class Envelope_pm_dcel :
{ public CGAL::Arr_dcel_base<Envelope_pm_vertex<VertexBase, DcelData>,
Envelope_pm_halfedge<HalfedgeBase, DcelData>,
Envelope_pm_face<FaceBase, DcelData>> {
public: public:
using Dcel_data = DcelData;
using Face_base = FaceBase;
typedef Data Face_data; using Face_data = Dcel_data;
typedef typename Envelope_pm_face<Data>::Data_iterator using Env_pm_face = Envelope_pm_face<Face_base, Dcel_data>;
Face_data_iterator; using Face_data_iterator = typename Env_pm_face::Data_iterator;
typedef typename Envelope_pm_face<Data>::Data_const_iterator using Face_data_const_iterator = typename Env_pm_face::Data_const_iterator;
Face_data_const_iterator;
typedef Data Edge_data; using Edge_data = Dcel_data;
typedef Face_data_iterator Edge_data_iterator; using Edge_data_iterator = Face_data_iterator;
typedef Face_data_const_iterator Edge_data_const_iterator; using Edge_data_const_iterator = Face_data_const_iterator;
typedef Data Vertex_data; using Vertex_data = Dcel_data;
typedef Face_data_iterator Vertex_data_iterator; using Vertex_data_iterator = Face_data_iterator;
typedef Face_data_const_iterator Vertex_data_const_iterator; using Vertex_data_const_iterator = Face_data_const_iterator;
typedef Dcel_info<Data> Dcel_elem_with_data; using Dcel_elem_with_data = Dcel_info<Dcel_data>;
using Dcel_data_iterator = Face_data_iterator;
typedef Data Dcel_data; using Dcel_data_const_iterator = Face_data_const_iterator;
typedef Face_data_iterator Dcel_data_iterator;
typedef Face_data_const_iterator Dcel_data_const_iterator;
/*! \struct /*! \struct
* An auxiliary structure for rebinding the DCEL with a new traits class. * An auxiliary structure for rebinding the DCEL with a new traits class.
*/ */
template<typename T> template<typename T>
struct rebind struct rebind { typedef Envelope_pm_dcel<T, Face_data> other; };
{
typedef Envelope_pm_dcel<T, Face_data> other;
};
/*! Constructor */ /*! Constructor */
Envelope_pm_dcel() {} Envelope_pm_dcel() {}
}; };
} // namespace Envelope_3 } // namespace Envelope_3
} // namespace CGAL } // namespace CGAL
#endif #endif