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/*
Copyright 2008 Intel Corporation
Use, modification and distribution are subject to the Boost Software License,
Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt).
*/
#ifndef BOOST_POLYGON_POLYGON_45_SET_VIEW_HPP
#define BOOST_POLYGON_POLYGON_45_SET_VIEW_HPP
namespace boost { namespace polygon{
template <typename ltype, typename rtype, int op_type>
class polygon_45_set_view;
template <typename ltype, typename rtype, int op_type>
struct polygon_45_set_traits<polygon_45_set_view<ltype, rtype, op_type> > {
typedef typename polygon_45_set_view<ltype, rtype, op_type>::coordinate_type coordinate_type;
typedef typename polygon_45_set_view<ltype, rtype, op_type>::iterator_type iterator_type;
typedef typename polygon_45_set_view<ltype, rtype, op_type>::operator_arg_type operator_arg_type;
static inline iterator_type begin(const polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set);
static inline iterator_type end(const polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set);
template <typename input_iterator_type>
static inline void set(polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set,
input_iterator_type input_begin, input_iterator_type input_end);
static inline bool clean(const polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set);
};
template <typename value_type, typename ltype, typename rtype, int op_type>
struct compute_45_set_value {
static
void value(value_type& output_, const ltype& lvalue_, const rtype& rvalue_) {
output_.set(polygon_45_set_traits<ltype>::begin(lvalue_),
polygon_45_set_traits<ltype>::end(lvalue_));
value_type rinput_;
rinput_.set(polygon_45_set_traits<rtype>::begin(rvalue_),
polygon_45_set_traits<rtype>::end(rvalue_));
#ifdef BOOST_POLYGON_MSVC
#pragma warning (disable: 4127)
#endif
if(op_type == 0)
output_ |= rinput_;
else if(op_type == 1)
output_ &= rinput_;
else if(op_type == 2)
output_ ^= rinput_;
else
output_ -= rinput_;
#ifdef BOOST_POLYGON_MSVC
#pragma warning (default: 4127)
#endif
}
};
template <typename value_type, typename ltype, typename rcoord, int op_type>
struct compute_45_set_value<value_type, ltype, polygon_45_set_data<rcoord>, op_type> {
static
void value(value_type& output_, const ltype& lvalue_, const polygon_45_set_data<rcoord>& rvalue_) {
output_.set(polygon_45_set_traits<ltype>::begin(lvalue_),
polygon_45_set_traits<ltype>::end(lvalue_));
#ifdef BOOST_POLYGON_MSVC
#pragma warning (disable: 4127)
#endif
if(op_type == 0)
output_ |= rvalue_;
else if(op_type == 1)
output_ &= rvalue_;
else if(op_type == 2)
output_ ^= rvalue_;
else
output_ -= rvalue_;
#ifdef BOOST_POLYGON_MSVC
#pragma warning (default: 4127)
#endif
}
};
template <typename ltype, typename rtype, int op_type>
class polygon_45_set_view {
public:
typedef typename polygon_45_set_traits<ltype>::coordinate_type coordinate_type;
typedef polygon_45_set_data<coordinate_type> value_type;
typedef typename value_type::iterator_type iterator_type;
typedef polygon_45_set_view operator_arg_type;
private:
const ltype& lvalue_;
const rtype& rvalue_;
mutable value_type output_;
mutable bool evaluated_;
polygon_45_set_view& operator=(const polygon_45_set_view&);
public:
polygon_45_set_view(const ltype& lvalue,
const rtype& rvalue ) :
lvalue_(lvalue), rvalue_(rvalue), output_(), evaluated_(false) {}
// get iterator to begin vertex data
public:
const value_type& value() const {
if(!evaluated_) {
evaluated_ = true;
compute_45_set_value<value_type, ltype, rtype, op_type>::value(output_, lvalue_, rvalue_);
}
return output_;
}
public:
iterator_type begin() const { return value().begin(); }
iterator_type end() const { return value().end(); }
bool dirty() const { return value().dirty(); } //result of a boolean is clean
bool sorted() const { return value().sorted(); } //result of a boolean is sorted
// template <typename input_iterator_type>
// void set(input_iterator_type input_begin, input_iterator_type input_end,
// orientation_2d orient) const {
// orient_ = orient;
// output_.clear();
// output_.insert(output_.end(), input_begin, input_end);
// gtlsort(output_.begin(), output_.end());
// }
};
template <typename ltype, typename rtype, int op_type>
typename polygon_45_set_traits<polygon_45_set_view<ltype, rtype, op_type> >::iterator_type
polygon_45_set_traits<polygon_45_set_view<ltype, rtype, op_type> >::
begin(const polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set) {
return polygon_45_set.begin();
}
template <typename ltype, typename rtype, int op_type>
typename polygon_45_set_traits<polygon_45_set_view<ltype, rtype, op_type> >::iterator_type
polygon_45_set_traits<polygon_45_set_view<ltype, rtype, op_type> >::
end(const polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set) {
return polygon_45_set.end();
}
template <typename ltype, typename rtype, int op_type>
bool polygon_45_set_traits<polygon_45_set_view<ltype, rtype, op_type> >::
clean(const polygon_45_set_view<ltype, rtype, op_type>& polygon_45_set) {
return polygon_45_set.value().clean(); }
template <typename geometry_type_1, typename geometry_type_2, int op_type>
geometry_type_1& self_assignment_boolean_op_45(geometry_type_1& lvalue_, const geometry_type_2& rvalue_) {
typedef geometry_type_1 ltype;
typedef geometry_type_2 rtype;
typedef typename polygon_45_set_traits<ltype>::coordinate_type coordinate_type;
typedef polygon_45_set_data<coordinate_type> value_type;
value_type output_;
value_type rinput_;
output_.set(polygon_45_set_traits<ltype>::begin(lvalue_),
polygon_45_set_traits<ltype>::end(lvalue_));
rinput_.set(polygon_45_set_traits<rtype>::begin(rvalue_),
polygon_45_set_traits<rtype>::end(rvalue_));
#ifdef BOOST_POLYGON_MSVC
#pragma warning (disable: 4127)
#endif
if(op_type == 0)
output_ |= rinput_;
else if(op_type == 1)
output_ &= rinput_;
else if(op_type == 2)
output_ ^= rinput_;
else
output_ -= rinput_;
#ifdef BOOST_POLYGON_MSVC
#pragma warning (default: 4127)
#endif
polygon_45_set_mutable_traits<geometry_type_1>::set(lvalue_, output_.begin(), output_.end());
return lvalue_;
}
template <typename concept_type>
struct fracture_holes_option_by_type {
static const bool value = true;
};
template <>
struct fracture_holes_option_by_type<polygon_45_with_holes_concept> {
static const bool value = false;
};
template <>
struct fracture_holes_option_by_type<polygon_with_holes_concept> {
static const bool value = false;
};
template <typename ltype, typename rtype, int op_type>
struct geometry_concept<polygon_45_set_view<ltype, rtype, op_type> > { typedef polygon_45_set_concept type; };
namespace operators {
struct y_ps45_b : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4< y_ps45_b,
typename is_polygon_45_or_90_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type,
polygon_45_set_view<geometry_type_1, geometry_type_2, 0> >::type
operator|(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return polygon_45_set_view<geometry_type_1, geometry_type_2, 0>
(lvalue, rvalue);
}
struct y_ps45_p : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4< y_ps45_p,
typename gtl_if<typename is_polygon_45_or_90_set_type<geometry_type_1>::type>::type,
typename gtl_if<typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
typename gtl_if<typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type>::type,
polygon_45_set_view<geometry_type_1, geometry_type_2, 0> >::type
operator+(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return polygon_45_set_view<geometry_type_1, geometry_type_2, 0>
(lvalue, rvalue);
}
struct y_ps45_s : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4< y_ps45_s, typename is_polygon_45_or_90_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type,
polygon_45_set_view<geometry_type_1, geometry_type_2, 1> >::type
operator*(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return polygon_45_set_view<geometry_type_1, geometry_type_2, 1>
(lvalue, rvalue);
}
struct y_ps45_a : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4< y_ps45_a, typename is_polygon_45_or_90_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type,
polygon_45_set_view<geometry_type_1, geometry_type_2, 1> >::type
operator&(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return polygon_45_set_view<geometry_type_1, geometry_type_2, 1>
(lvalue, rvalue);
}
struct y_ps45_x : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4< y_ps45_x, typename is_polygon_45_or_90_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type,
typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type,
polygon_45_set_view<geometry_type_1, geometry_type_2, 2> >::type
operator^(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return polygon_45_set_view<geometry_type_1, geometry_type_2, 2>
(lvalue, rvalue);
}
struct y_ps45_m : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4< y_ps45_m,
typename gtl_if<typename is_polygon_45_or_90_set_type<geometry_type_1>::type>::type,
typename gtl_if<typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
typename gtl_if<typename is_either_polygon_45_set_type<geometry_type_1, geometry_type_2>::type>::type>::type,
polygon_45_set_view<geometry_type_1, geometry_type_2, 3> >::type
operator-(const geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return polygon_45_set_view<geometry_type_1, geometry_type_2, 3>
(lvalue, rvalue);
}
struct y_ps45_pe : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_4<y_ps45_pe, typename is_mutable_polygon_45_set_type<geometry_type_1>::type, gtl_yes,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
geometry_type_1>::type &
operator+=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return self_assignment_boolean_op_45<geometry_type_1, geometry_type_2, 0>(lvalue, rvalue);
}
struct y_ps45_be : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_3<y_ps45_be, typename is_mutable_polygon_45_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
geometry_type_1>::type &
operator|=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return self_assignment_boolean_op_45<geometry_type_1, geometry_type_2, 0>(lvalue, rvalue);
}
struct y_ps45_se : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_3< y_ps45_se,
typename is_mutable_polygon_45_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
geometry_type_1>::type &
operator*=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return self_assignment_boolean_op_45<geometry_type_1, geometry_type_2, 1>(lvalue, rvalue);
}
struct y_ps45_ae : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_3<y_ps45_ae, typename is_mutable_polygon_45_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
geometry_type_1>::type &
operator&=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return self_assignment_boolean_op_45<geometry_type_1, geometry_type_2, 1>(lvalue, rvalue);
}
struct y_ps45_xe : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if<
typename gtl_and_3<y_ps45_xe, typename is_mutable_polygon_45_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
geometry_type_1>::type &
operator^=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return self_assignment_boolean_op_45<geometry_type_1, geometry_type_2, 2>(lvalue, rvalue);
}
struct y_ps45_me : gtl_yes {};
template <typename geometry_type_1, typename geometry_type_2>
typename enable_if< typename gtl_and_3<y_ps45_me, typename is_mutable_polygon_45_set_type<geometry_type_1>::type,
typename is_polygon_45_or_90_set_type<geometry_type_2>::type>::type,
geometry_type_1>::type &
operator-=(geometry_type_1& lvalue, const geometry_type_2& rvalue) {
return self_assignment_boolean_op_45<geometry_type_1, geometry_type_2, 3>(lvalue, rvalue);
}
struct y_ps45_rpe : gtl_yes {};
template <typename geometry_type_1, typename coordinate_type_1>
typename enable_if< typename gtl_and_3< y_ps45_rpe, typename is_mutable_polygon_45_set_type<geometry_type_1>::type,
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
coordinate_concept>::type>::type,
geometry_type_1>::type &
operator+=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
return resize(lvalue, rvalue);
}
struct y_ps45_rme : gtl_yes {};
template <typename geometry_type_1, typename coordinate_type_1>
typename enable_if< typename gtl_and_3<y_ps45_rme, typename gtl_if<typename is_mutable_polygon_45_set_type<geometry_type_1>::type>::type,
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
coordinate_concept>::type>::type,
geometry_type_1>::type &
operator-=(geometry_type_1& lvalue, coordinate_type_1 rvalue) {
return resize(lvalue, -rvalue);
}
struct y_ps45_rp : gtl_yes {};
template <typename geometry_type_1, typename coordinate_type_1>
typename enable_if< typename gtl_and_3<y_ps45_rp, typename gtl_if<typename is_mutable_polygon_45_set_type<geometry_type_1>::type>::type,
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
coordinate_concept>::type>
::type, geometry_type_1>::type
operator+(const geometry_type_1& lvalue, coordinate_type_1 rvalue) {
geometry_type_1 retval(lvalue);
retval += rvalue;
return retval;
}
struct y_ps45_rm : gtl_yes {};
template <typename geometry_type_1, typename coordinate_type_1>
typename enable_if< typename gtl_and_3<y_ps45_rm, typename gtl_if<typename is_mutable_polygon_45_set_type<geometry_type_1>::type>::type,
typename gtl_same_type<typename geometry_concept<coordinate_type_1>::type,
coordinate_concept>::type>
::type, geometry_type_1>::type
operator-(const geometry_type_1& lvalue, coordinate_type_1 rvalue) {
geometry_type_1 retval(lvalue);
retval -= rvalue;
return retval;
}
}
}
}
#endif
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