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