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Add the full source of BambuStudio

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using version 1.0.10
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lane.wei 2022-07-15 23:37:19 +08:00 • committed by Lane.Wei
parent 30bcadab3e
commit 1555904bef
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106
src/libslic3r/MinAreaBoundingBox.cpp Normal file
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#include "MinAreaBoundingBox.hpp"
#include <libslic3r/ExPolygon.hpp>
#if defined(_MSC_VER) && defined(__clang__)
#define BOOST_NO_CXX17_HDR_STRING_VIEW
#endif
#include <boost/rational.hpp>
#include <libslic3r/Int128.hpp>
#if !defined(HAS_INTRINSIC_128_TYPE) || defined(__APPLE__)
#include <boost/multiprecision/integer.hpp>
#endif
#include <libnest2d/backends/libslic3r/geometries.hpp>
#include <libnest2d/utils/rotcalipers.hpp>
namespace Slic3r {
// Used as compute type.
using Unit = int64_t;
#if !defined(HAS_INTRINSIC_128_TYPE) || defined(__APPLE__)
using Rational = boost::rational<boost::multiprecision::int128_t>;
#else
using Rational = boost::rational<__int128>;
#endif
template<class P>
libnest2d::RotatedBox<Point, Unit> minAreaBoundigBox_(
const P &p, MinAreaBoundigBox::PolygonLevel lvl)
{
P chull = lvl == MinAreaBoundigBox::pcConvex ?
p :
libnest2d::sl::convexHull(p);
libnest2d::removeCollinearPoints(chull);
return libnest2d::minAreaBoundingBox<P, Unit, Rational>(chull);
}
MinAreaBoundigBox::MinAreaBoundigBox(const Polygon &p, PolygonLevel pc)
{
libnest2d::RotatedBox<Point, Unit> box = minAreaBoundigBox_(p, pc);
m_right = libnest2d::cast<long double>(box.right_extent());
m_bottom = libnest2d::cast<long double>(box.bottom_extent());
m_axis = box.axis();
}
MinAreaBoundigBox::MinAreaBoundigBox(const ExPolygon &p, PolygonLevel pc)
{
libnest2d::RotatedBox<Point, Unit> box = minAreaBoundigBox_(p, pc);
m_right = libnest2d::cast<long double>(box.right_extent());
m_bottom = libnest2d::cast<long double>(box.bottom_extent());
m_axis = box.axis();
}
MinAreaBoundigBox::MinAreaBoundigBox(const Points &pts, PolygonLevel pc)
{
libnest2d::RotatedBox<Point, Unit> box = minAreaBoundigBox_(pts, pc);
m_right = libnest2d::cast<long double>(box.right_extent());
m_bottom = libnest2d::cast<long double>(box.bottom_extent());
m_axis = box.axis();
}
double MinAreaBoundigBox::angle_to_X() const
{
double ret = std::atan2(m_axis.y(), m_axis.x());
auto s = std::signbit(ret);
if (s) ret += 2 * PI;
return -ret;
}
long double MinAreaBoundigBox::width() const
{
return std::abs(m_bottom) /
std::sqrt(libnest2d::pl::magnsq<Point, long double>(m_axis));
}
long double MinAreaBoundigBox::height() const
{
return std::abs(m_right) /
std::sqrt(libnest2d::pl::magnsq<Point, long double>(m_axis));
}
long double MinAreaBoundigBox::area() const
{
long double asq = libnest2d::pl::magnsq<Point, long double>(m_axis);
return m_bottom * m_right / asq;
}
void remove_collinear_points(Polygon &p)
{
p = libnest2d::removeCollinearPoints<Polygon>(p, Unit(0));
}
void remove_collinear_points(ExPolygon &p)
{
p = libnest2d::removeCollinearPoints<ExPolygon>(p, Unit(0));
}
} // namespace Slic3r