QhullPointSet.h
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00001 /****************************************************************************
00002 **
00003 ** Copyright (c) 2009-2011 C.B. Barber. All rights reserved.
00004 ** $Id: //main/2011/qhull/src/libqhullcpp/QhullPointSet.h#5 $$Change: 1382 $
00005 ** $DateTime: 2011/05/14 10:45:42 $$Author: bbarber $
00006 **
00007 ****************************************************************************/
00008 
00009 #ifndef QHULLPOINTSET_H
00010 #define QHULLPOINTSET_H
00011 
00012 #include "QhullSet.h"
00013 #include "QhullPoint.h"
00014 extern "C" {
00015     #include "libqhull/qhull_a.h"
00016 }
00017 
00018 #include <ostream>
00019 
00020 namespace orgQhull {
00021 
00022 #//Types
00023 
00024     // with const_iterator and iterator
00025     class               QhullPointSet;
00027     class QhullPointsIterator;
00028 
00029 #//Classref
00030     class               QhullPoint;
00031 
00032 class QhullPointSet : public QhullSet<coordT *> {
00033 
00034 private:
00035 #//Field
00036     int                 point_dimension;
00037 
00038 public:
00039 #//Subtypes and types
00040     class               const_iterator;
00041     class               iterator;
00042     typedef QhullPointSet::const_iterator ConstIterator;
00043     typedef QhullPointSet::iterator Iterator;
00044 
00045     typedef QhullPoint  value_type;
00046     typedef ptrdiff_t   difference_type;
00047     typedef int         size_type;
00048     //typedef const value_type *const_pointer;    // FIXUP QH11019: QhullPointSet does not define pointer or reference due to point_dimension
00049     //typedef const value_type &const_reference;
00050     //typedef value_type *pointer;
00051     //typedef value_type &reference;
00052 
00053 #//Construct
00054                         //Conversion from setT* is not type-safe.  Implicit conversion for void* to T
00055                         QhullPointSet(int pointDimension, setT *s) : QhullSet<coordT *>(s), point_dimension(pointDimension) {}
00056                         //Copy constructor copies pointer but not contents.  Needed for return by value and parameter passing.
00057                         QhullPointSet(const QhullPointSet &o) : QhullSet<coordT *>(o), point_dimension(o.point_dimension) {}
00058                        ~QhullPointSet() {}
00059 
00060 //Default constructor and copy assignment disabled since p= p2 is ambiguous (coord* vs coord)
00061 private:
00062                         QhullPointSet();
00063     QhullPointSet      &operator=(const QhullPointSet &);
00064 public:
00065 
00066 #//Conversions
00067     // inherited -- constData, data
00068 #ifndef QHULL_NO_STL
00069     std::vector<QhullPoint> toStdVector() const;
00070 #endif
00071 #ifdef QHULL_USES_QT
00072     QList<QhullPoint>   toQList() const;
00073 #endif
00074 
00075 #//Read-only
00076     //inherits count, empty, isEmpty, size
00077     using QhullSetBase::count;
00078     int                 dimension() const { return point_dimension; }
00079     bool                operator==(const QhullPointSet &o) const;
00080     bool                operator!=(const QhullPointSet &o) const { return !operator==(o); }
00081 
00082 #//Element access -- can not return references since QhullPoint must be generated
00083     QhullPoint          at(int idx) const { return operator[](idx); }
00084     QhullPoint          back() const { return last(); }
00086     QhullPoint          first() const { QHULL_ASSERT(!isEmpty()); return *begin(); }
00087     QhullPoint          front() const { return first(); }
00088     QhullPoint          last() const { QHULL_ASSERT(!isEmpty()); return *(end()-1); }
00089     // mid() not available.  No setT constructor
00090     QhullPoint          operator[](int idx) const { return QhullPoint(dimension(), QhullSet<coordT *>::operator[](idx)); }
00091     QhullPoint          second()  const { return operator[](1); }
00092     QhullPoint          value(int idx) const;
00093     // Non-const since copy is an alias
00094     QhullPoint          value(int idx, QhullPoint &defaultValue) const;
00095 
00096 #//iterator
00097     iterator            begin() { return iterator(dimension(), reinterpret_cast<coordT **>(beginPointer())); }
00098     const_iterator      begin() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(beginPointer())); }
00099     const_iterator      constBegin() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(beginPointer())); }
00100     const_iterator      constEnd() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(endPointer())); }
00101     iterator            end() { return iterator(dimension(), reinterpret_cast<coordT **>(endPointer())); }
00102     const_iterator      end() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(endPointer())); }
00103 
00104 //Read-write -- Not available, no setT constructor
00105 
00106 #//Search
00107     bool                contains(const QhullPoint &t) const;
00108     int                 count(const QhullPoint &t) const;
00109     int                 indexOf(const QhullPoint &t) const;
00110     int                 lastIndexOf(const QhullPoint &t) const;
00111 
00112     // before const_iterator for conversion with comparison operators
00113     class iterator {
00114         friend class    const_iterator;
00115 
00116     private:
00117         coordT        **i;
00118         int             point_dimension;
00119 
00120     public:
00121         typedef ptrdiff_t   difference_type;
00122         typedef std::bidirectional_iterator_tag  iterator_category;
00123         typedef QhullPoint *pointer;
00124         typedef QhullPoint &reference;
00125         typedef QhullPoint  value_type;
00126 
00127                         iterator() : i(0), point_dimension(0) {}
00128                         iterator(int dimension, coordT **c) : i(c), point_dimension(dimension) {}
00129                         iterator(const iterator &o) : i(o.i), point_dimension(o.point_dimension) {}
00130         iterator       &operator=(const iterator &o) { i= o.i; point_dimension= o.point_dimension; return *this; }
00131 
00132         QhullPoint      operator*() const { return QhullPoint(point_dimension, *i); }
00133                       //operator->() n/a, value-type
00134         QhullPoint      operator[](int idx) { return QhullPoint(point_dimension, *(i+idx)); }
00135         bool            operator==(const iterator &o) const { return i == o.i && point_dimension == o.point_dimension; }
00136         bool            operator!=(const iterator &o) const { return !operator==(o); }
00137         bool            operator==(const const_iterator &o) const
00138         { return i == reinterpret_cast<const iterator &>(o).i && point_dimension == reinterpret_cast<const iterator &>(o).point_dimension; }
00139         bool            operator!=(const const_iterator &o) const { return !operator==(o); }
00140 
00142         int             operator-(const iterator &o) { return (int)(i-o.i); } //WARN64
00143         bool            operator>(const iterator &o) const { return i>o.i; }
00144         bool            operator<=(const iterator &o) const { return !operator>(o); }
00145         bool            operator<(const iterator &o) const { return i<o.i; }
00146         bool            operator>=(const iterator &o) const { return !operator<(o); }
00147         bool            operator>(const const_iterator &o) const
00148         { return i > reinterpret_cast<const iterator &>(o).i; }
00149         bool            operator<=(const const_iterator &o) const { return !operator>(o); }
00150         bool            operator<(const const_iterator &o) const
00151         { return i < reinterpret_cast<const iterator &>(o).i; }
00152         bool            operator>=(const const_iterator &o) const { return !operator<(o); }
00153 
00154         iterator       &operator++() { ++i; return *this; }
00155         iterator        operator++(int) { iterator o= *this; ++i; return o; }
00156         iterator       &operator--() { --i; return *this; }
00157         iterator        operator--(int) { iterator o= *this; --i; return o; }
00158         iterator        operator+(int j) const { return iterator(point_dimension, i+j); }
00159         iterator        operator-(int j) const { return operator+(-j); }
00160         iterator       &operator+=(int j) { i += j; return *this; }
00161         iterator       &operator-=(int j) { i -= j; return *this; }
00162     };//QhullPointSet::iterator
00163 
00164     class const_iterator {
00165     private:
00166         coordT        **i;
00167         int             point_dimension;
00168 
00169     public:
00170         typedef std::random_access_iterator_tag  iterator_category;
00171         typedef QhullPoint value_type;
00172         typedef value_type *pointer;
00173         typedef value_type &reference;
00174         typedef ptrdiff_t  difference_type;
00175 
00176                         const_iterator() : i(0), point_dimension(0) {}
00177                         const_iterator(int dimension, coordT **c) : i(c), point_dimension(dimension) {}
00178                         const_iterator(const const_iterator &o) : i(o.i), point_dimension(o.point_dimension) {}
00179                         const_iterator(iterator o) : i(o.i), point_dimension(o.point_dimension) {}
00180         const_iterator &operator=(const const_iterator &o) { i= o.i; point_dimension= o.point_dimension; return *this; }
00181 
00182         QhullPoint      operator*() const { return QhullPoint(point_dimension, *i); }
00183         QhullPoint      operator[](int idx) { return QhullPoint(point_dimension, *(i+idx)); }
00184                       //operator->() n/a, value-type
00185         bool            operator==(const const_iterator &o) const { return i == o.i && point_dimension == o.point_dimension; }
00186         bool            operator!=(const const_iterator &o) const { return !operator==(o); }
00187 
00189         int             operator-(const const_iterator &o) { return (int)(i-o.i); } //WARN64
00190         bool            operator>(const const_iterator &o) const { return i>o.i; }
00191         bool            operator<=(const const_iterator &o) const { return !operator>(o); }
00192         bool            operator<(const const_iterator &o) const { return i<o.i; }
00193         bool            operator>=(const const_iterator &o) const { return !operator<(o); }
00194 
00195         const_iterator &operator++() { ++i; return *this; }
00196         const_iterator  operator++(int) { const_iterator o= *this; ++i; return o; }
00197         const_iterator &operator--() { --i; return *this; }
00198         const_iterator  operator--(int) { const_iterator o= *this; --i; return o; }
00199         const_iterator  operator+(int j) const { return const_iterator(point_dimension, i+j); }
00200         const_iterator  operator-(int j) const { return operator+(-j); }
00201         const_iterator &operator+=(int j) { i += j; return *this; }
00202         const_iterator &operator-=(int j) { i -= j; return *this; }
00203     };//QhullPointSet::const_iterator
00204 
00205 #//IO
00206     struct PrintIdentifiers{
00207         const QhullPointSet *point_set;
00208         const char     *print_message;
00209         int             run_id;
00210         PrintIdentifiers(const char *message, const QhullPointSet *s) : point_set(s), print_message(message) {}
00211     };//PrintIdentifiers
00212     PrintIdentifiers printIdentifiers(const char *message) const { return PrintIdentifiers(message, this); }
00213 
00214     struct PrintPointSet{
00215         const QhullPointSet *point_set;
00216         const char     *print_message;
00217         int             run_id;
00218         PrintPointSet(int qhRunId, const char *message, const QhullPointSet &s) : point_set(&s), print_message(message), run_id(qhRunId) {}
00219     };//PrintPointSet
00220     PrintPointSet       print(int qhRunId) const { return PrintPointSet(qhRunId, 0, *this); }
00221     PrintPointSet       print(int qhRunId, const char *message) const { return PrintPointSet(qhRunId, message, *this); }
00222 
00223 };//QhullPointSet
00224 
00225 //derived from qiterator.h
00226 class QhullPointSetIterator { // FIXUP QH11020 define QhullMutablePointSetIterator
00227     typedef QhullPointSet::const_iterator const_iterator;
00228     const QhullPointSet *c;
00229     const_iterator      i;
00230 
00231 public:
00232                         QhullPointSetIterator(const QhullPointSet &container) : c(&container), i(c->constBegin()) {}
00233     QhullPointSetIterator &operator=(const QhullPointSet &container) { c= &container; i= c->constBegin(); return *this; }
00234     bool                findNext(const QhullPoint &p);
00235     bool                findPrevious(const QhullPoint &p);
00236     bool                hasNext() const { return i != c->constEnd(); }
00237     bool                hasPrevious() const { return i != c->constBegin(); }
00238     QhullPoint          next() { return *i++; }
00239     QhullPoint          peekNext() const { return *i; }
00240     QhullPoint          peekPrevious() const { const_iterator p= i; return *--p; }
00241     QhullPoint          previous() { return *--i; }
00242     void                toBack() { i= c->constEnd(); }
00243     void                toFront() { i= c->constBegin(); }
00244 };//QhullPointSetIterator
00245 
00246 }//namespace orgQhull
00247 
00248 #//Global functions
00249 
00250 std::ostream &operator<<(std::ostream &os, const orgQhull::QhullPointSet &fs); // Not inline to avoid using statement
00251 std::ostream &operator<<(std::ostream &os, const orgQhull::QhullPointSet::PrintIdentifiers &pr);
00252 std::ostream &operator<<(std::ostream &os, const orgQhull::QhullPointSet::PrintPointSet &pr);
00253 
00254 #endif // QHULLPOINTSET_H
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libqhull
Author(s): Robert Krug
autogenerated on Tue Jun 18 2013 12:38:50