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rCADDMESH/cpp/QhullPointSet.h
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QhullPointSet.h
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/****************************************************************************
**
** Copyright (C) 2009-2010 C.B. Barber. All rights reserved.
** $Id: //product/qhull/main/rel/cpp/QhullPointSet.h#21 $$Change: 1193 $
** $DateTime: 2010/01/23 11:31:35 $$Author: bbarber $
**
****************************************************************************/
#ifndef QHULLPOINTSET_H
#define QHULLPOINTSET_H
#include "QhullSet.h"
#include "QhullPoint.h"
extern "C" {
#include "../src/qhull_a.h"
};
#include <ostream>
namespace orgQhull {
#//Types
//! QhullPointSet -- a set of coordinate pointers with dimension
// with const_iterator and iterator
class QhullPointSet;
//! Java-style iterator
class QhullPointsIterator;
#//Classref
class QhullPoint;
class QhullPointSet : public QhullSet<coordT *> {
private:
#//Field
int point_dimension;
public:
#//Subtypes and types
class const_iterator;
class iterator;
typedef QhullPointSet::const_iterator ConstIterator;
typedef QhullPointSet::iterator Iterator;
typedef QhullPoint value_type;
typedef ptrdiff_t difference_type;
typedef int size_type;
//typedef const value_type *const_pointer; // FIXUP QH11019: QhullPointSet does not define pointer or reference due to point_dimension
//typedef const value_type &const_reference;
//typedef value_type *pointer;
//typedef value_type &reference;
#//Construct
//Conversion from setT* is not type-safe. Implicit conversion for void* to T
QhullPointSet(int dimension, setT *s) : QhullSet<coordT *>(s), point_dimension(dimension) {}
//Copy constructor copies pointer but not contents. Needed for return by value and parameter passing.
QhullPointSet(const QhullPointSet &o) : QhullSet<coordT *>(o), point_dimension(o.point_dimension) {}
~QhullPointSet() {}
//Default constructor and copy assignment disabled since p= p2 is ambiguous (coord* vs coord)
private:
QhullPointSet();
QhullPointSet &operator=(const QhullPointSet &);
public:
#//Conversions
// inherited -- constData, data
#ifndef QHULL_NO_STL
std::vector<QhullPoint> toStdVector() const;
#endif
#ifdef QHULL_USES_QT
QList<QhullPoint> toQList() const;
#endif
#//Read-only
//inherits count, empty, isEmpty, size
using QhullSetBase::count;
int dimension() const { return point_dimension; }
bool operator==(const QhullPointSet &o) const;
bool operator!=(const QhullPointSet &o) const { return !operator==(o); }
#//Element access -- can not return references since QhullPoint must be generated
QhullPoint at(int idx) const { return operator[](idx); }
QhullPoint back() const { return last(); }
//! end element is NULL
QhullPoint first() const { QHULL_ASSERT(!isEmpty()); return *begin(); }
QhullPoint front() const { return first(); }
QhullPoint last() const { QHULL_ASSERT(!isEmpty()); return *(end()-1); }
// mid() not available. No setT constructor
QhullPoint operator[](int idx) const { return QhullPoint(dimension(), QhullSet<coordT *>::operator[](idx)); }
QhullPoint second() const { return operator[](1); }
QhullPoint value(int idx) const;
// Non-const since copy is an alias
QhullPoint value(int idx, QhullPoint &defaultValue) const;
#//iterator
iterator begin() { return iterator(dimension(), reinterpret_cast<coordT **>(beginPointer())); }
const_iterator begin() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(beginPointer())); }
const_iterator constBegin() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(beginPointer())); }
const_iterator constEnd() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(endPointer())); }
iterator end() { return iterator(dimension(), reinterpret_cast<coordT **>(endPointer())); }
const_iterator end() const { return const_iterator(dimension(), reinterpret_cast<coordT **>(endPointer())); }
//Read-write -- Not available, no setT constructor
#//Search
bool contains(const QhullPoint &t) const;
int count(const QhullPoint &t) const;
int indexOf(const QhullPoint &t) const;
int lastIndexOf(const QhullPoint &t) const;
// before const_iterator for conversion with comparison operators
class iterator {
friend class const_iterator;
private:
coordT **i;
int point_dimension;
public:
typedef ptrdiff_t difference_type;
typedef std::bidirectional_iterator_tag iterator_category;
typedef QhullPoint *pointer;
typedef QhullPoint &reference;
typedef QhullPoint value_type;
iterator() : i(0), point_dimension(0) {}
iterator(int dimension, coordT **c) : i(c), point_dimension(dimension) {}
iterator(const iterator &o) : i(o.i), point_dimension(o.point_dimension) {}
iterator &operator=(const iterator &o) { i= o.i; point_dimension= o.point_dimension; return *this; }
QhullPoint operator*() const { return QhullPoint(point_dimension, *i); }
//operator->() n/a, value-type
QhullPoint operator[](int idx) { return QhullPoint(point_dimension, *(i+idx)); }
bool operator==(const iterator &o) const { return i == o.i && point_dimension == o.point_dimension; }
bool operator!=(const iterator &o) const { return !operator==(o); }
bool operator==(const const_iterator &o) const
{ return i == reinterpret_cast<const iterator &>(o).i && point_dimension == reinterpret_cast<const iterator &>(o).point_dimension; }
bool operator!=(const const_iterator &o) const { return !operator==(o); }
//! Assumes same point set
int operator-(const iterator &o) { return (int)(i-o.i); } //WARN64
bool operator>(const iterator &o) const { return i>o.i; }
bool operator<=(const iterator &o) const { return !operator>(o); }
bool operator<(const iterator &o) const { return i<o.i; }
bool operator>=(const iterator &o) const { return !operator<(o); }
bool operator>(const const_iterator &o) const
{ return i > reinterpret_cast<const iterator &>(o).i; }
bool operator<=(const const_iterator &o) const { return !operator>(o); }
bool operator<(const const_iterator &o) const
{ return i < reinterpret_cast<const iterator &>(o).i; }
bool operator>=(const const_iterator &o) const { return !operator<(o); }
iterator &operator++() { ++i; return *this; }
iterator operator++(int) { iterator o= *this; ++i; return o; }
iterator &operator--() { --i; return *this; }
iterator operator--(int) { iterator o= *this; --i; return o; }
iterator operator+(int j) const { return iterator(point_dimension, i+j); }
iterator operator-(int j) const { return operator+(-j); }
iterator &operator+=(int j) { i += j; return *this; }
iterator &operator-=(int j) { i -= j; return *this; }
};//QhullPointSet::iterator
class const_iterator {
private:
coordT **i;
int point_dimension;
public:
typedef std::random_access_iterator_tag iterator_category;
typedef QhullPoint value_type;
typedef value_type *pointer;
typedef value_type &reference;
typedef ptrdiff_t difference_type;
const_iterator() : i(0), point_dimension(0) {}
const_iterator(int dimension, coordT **c) : i(c), point_dimension(dimension) {}
const_iterator(const const_iterator &o) : i(o.i), point_dimension(o.point_dimension) {}
const_iterator(iterator o) : i(o.i), point_dimension(o.point_dimension) {}
const_iterator &operator=(const const_iterator &o) { i= o.i; point_dimension= o.point_dimension; return *this; }
QhullPoint operator*() const { return QhullPoint(point_dimension, *i); }
QhullPoint operator[](int idx) { return QhullPoint(point_dimension, *(i+idx)); }
//operator->() n/a, value-type
bool operator==(const const_iterator &o) const { return i == o.i && point_dimension == o.point_dimension; }
bool operator!=(const const_iterator &o) const { return !operator==(o); }
//! Assumes same point set
int operator-(const const_iterator &o) { return (int)(i-o.i); } //WARN64
bool operator>(const const_iterator &o) const { return i>o.i; }
bool operator<=(const const_iterator &o) const { return !operator>(o); }
bool operator<(const const_iterator &o) const { return i<o.i; }
bool operator>=(const const_iterator &o) const { return !operator<(o); }
const_iterator &operator++() { ++i; return *this; }
const_iterator operator++(int) { const_iterator o= *this; ++i; return o; }
const_iterator &operator--() { --i; return *this; }
const_iterator operator--(int) { const_iterator o= *this; --i; return o; }
const_iterator operator+(int j) const { return const_iterator(point_dimension, i+j); }
const_iterator operator-(int j) const { return operator+(-j); }
const_iterator &operator+=(int j) { i += j; return *this; }
const_iterator &operator-=(int j) { i -= j; return *this; }
};//QhullPointSet::const_iterator
#//IO
struct PrintIdentifiers{
const QhullPointSet *point_set;
const char *message;
int run_id;
PrintIdentifiers(const char *message, const QhullPointSet *s) : point_set(s), message(message) {}
};//PrintIdentifiers
PrintIdentifiers printIdentifiers(const char *message) const { return PrintIdentifiers(message, this); }
struct PrintPointSet{
const QhullPointSet *point_set;
const char *message;
int run_id;
PrintPointSet(int qhRunId, const char *message, const QhullPointSet &s) : point_set(&s), message(message), run_id(qhRunId) {}
};//PrintPointSet
PrintPointSet print(int qhRunId) const { return PrintPointSet(qhRunId, 0, *this); }
PrintPointSet print(int qhRunId, const char *message) const { return PrintPointSet(qhRunId, message, *this); }
};//QhullPointSet
//derived from qiterator.h
class QhullPointSetIterator { // FIXUP QH11020 define QhullMutablePointSetIterator
typedef QhullPointSet::const_iterator const_iterator;
const QhullPointSet *c;
const_iterator i;
public:
QhullPointSetIterator(const QhullPointSet &container) : c(&container), i(c->constBegin()) {}
QhullPointSetIterator &operator=(const QhullPointSet &container) { c= &container; i= c->constBegin(); return *this; }
bool findNext(const QhullPoint &p);
bool findPrevious(const QhullPoint &p);
bool hasNext() const { return i != c->constEnd(); }
bool hasPrevious() const { return i != c->constBegin(); }
QhullPoint next() { return *i++; }
QhullPoint peekNext() const { return *i; }
QhullPoint peekPrevious() const { const_iterator p= i; return *--p; }
QhullPoint previous() { return *--i; }
void toBack() { i= c->constEnd(); }
void toFront() { i= c->constBegin(); }
};//QhullPointSetIterator
}//namespace orgQhull
#//Global functions
std::ostream &operator<<(std::ostream &os, const orgQhull::QhullPointSet &fs); // Not inline to avoid using statement
std::ostream &operator<<(std::ostream &os, const orgQhull::QhullPointSet::PrintIdentifiers &pr);
std::ostream &operator<<(std::ostream &os, const orgQhull::QhullPointSet::PrintPointSet &pr);
#endif // QHULLPOINTSET_H
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