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60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
#pragma once
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#include "geometry/point2d.hpp"
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#include "geometry/rect2d.hpp"
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#include "base/visitor.hpp"
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#include <limits>
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#include <vector>
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namespace m2
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{
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class BoundingBox
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{
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public:
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BoundingBox() = default;
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BoundingBox(std::vector<PointD> const & points);
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void Add(PointD const & p) { return Add(p.x, p.y); }
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void Add(double x, double y);
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bool HasPoint(PointD const & p) const { return HasPoint(p.x, p.y); }
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bool HasPoint(double x, double y) const;
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bool HasPoint(PointD const & p, double eps) const { return HasPoint(p.x, p.y, eps); }
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bool HasPoint(double x, double y, double eps) const;
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PointD Min() const { return m_min; }
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PointD Max() const { return m_max; }
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m2::RectD ToRect() const { return {Min(), Max()}; }
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std::vector<m2::PointD> Points() const
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{
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std::vector<m2::PointD> points(4);
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points[0] = Min();
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points[2] = Max();
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points[1] = PointD(points[2].x, points[0].y);
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points[3] = PointD(points[0].x, points[2].y);
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return points;
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}
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bool operator==(BoundingBox const & rhs) const
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{
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return m_min == rhs.m_min && m_max == rhs.m_max;
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}
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DECLARE_VISITOR(visitor(m_min, "min"), visitor(m_max, "max"))
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DECLARE_DEBUG_PRINT(BoundingBox)
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private:
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// Infinity can not be used with -ffast-math
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static double constexpr kLargestDouble = std::numeric_limits<double>::max();
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static double constexpr kLowestDouble = std::numeric_limits<double>::lowest();
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m2::PointD m_min = m2::PointD(kLargestDouble, kLargestDouble);
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m2::PointD m_max = m2::PointD(kLowestDouble, kLowestDouble);
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};
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} // namespace m2
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