79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2010-2015 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_EXTENT_HPP
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#define __UTIL_EXTENT_HPP
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#include "coord.hpp"
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#include "vector.hpp"
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#include "point.hpp"
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#include <iostream>
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namespace util {
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/**
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* A pure two-dimensional size, without positioning
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*/
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template <size_t S, typename T>
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struct extent : public coord::base<S,T,extent,coord::whd>
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{
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using coord::base<S,T,util::extent,coord::whd>::base;
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extent () = default;
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explicit extent (vector<S,T>);
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T area (void) const;
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T diameter (void) const;
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template <typename U = float>
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U aspect (void) const;
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template <typename U>
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bool includes (util::point<S,U>) const;
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extent expanded (vector<S,T>) const;
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extent expanded (T) const;
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extent contracted (vector<S,T>) const;
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extent contracted (T) const;
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bool empty (void) const;
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static const extent MAX;
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static const extent MIN;
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};
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// convenience typedefs
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template <typename T> using extent2 = extent<2,T>;
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template <typename T> using extent3 = extent<3,T>;
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typedef extent2<intmax_t> extent2i;
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typedef extent2<size_t> extent2u;
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typedef extent2<float> extent2f;
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typedef extent2<double> extent2d;
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typedef extent3<size_t> extent3u;
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typedef extent3<float> extent3f;
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template <size_t S, typename T>
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std::ostream& operator<< (std::ostream&, util::extent<S,T>);
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}
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#include "extent.ipp"
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#endif
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