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Replacing ClipperLib::IntPoint with Eigen point as a first step to

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make the ClipperLib paths and polygons compatible with Slic3r paths
and polygons without conversions and memory allocations.
This commit is contained in:
Vojtech Bubnik 2021-04-14 09:22:51 +02:00
parent 29cd8aac26
commit 7112ac61b6
14 changed files with 416 additions and 401 deletions
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584
src/clipper/clipper.cpp
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31
src/clipper/clipper.hpp
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@ -37,6 +37,8 @@
#include <inttypes.h>
#include <functional>
#include <Eigen/Geometry>
#define CLIPPER_VERSION "6.2.6"
//use_xyz: adds a Z member to IntPoint. Adds a minor cost to perfomance.
@ -88,6 +90,16 @@ enum PolyFillType { pftEvenOdd, pftNonZero, pftPositive, pftNegative };
static constexpr cInt const hiRange = 0x3FFFFFFFFFFFFFFFLL;
#endif // CLIPPERLIB_INT32
#if 1
using IntPoint = Eigen::Matrix<cInt,
#ifdef use_xyz
3
#else // use_xyz
2
#endif // use_xyz
, 1, Eigen::DontAlign>;
using DoublePoint = Eigen::Matrix<double, 2, 1, Eigen::DontAlign>;
#else
struct IntPoint {
cInt X;
cInt Y;
@ -107,10 +119,18 @@ struct IntPoint {
return a.X != b.X || a.Y != b.Y;
}
};
struct DoublePoint
{
double X;
double Y;
DoublePoint(double x = 0, double y = 0) : X(x), Y(y) {}
DoublePoint(IntPoint ip) : X((double)ip.x()), Y((double)ip.y()) {}
};
#endif
//------------------------------------------------------------------------------
typedef std::vector< IntPoint > Path;
typedef std::vector< Path > Paths;
typedef std::vector<IntPoint> Path;
typedef std::vector<Path> Paths;
inline Path& operator <<(Path& poly, const IntPoint& p) {poly.push_back(p); return poly;}
inline Paths& operator <<(Paths& polys, const Path& p) {polys.push_back(p); return polys;}
@ -119,13 +139,6 @@ std::ostream& operator <<(std::ostream &s, const IntPoint &p);
std::ostream& operator <<(std::ostream &s, const Path &p);
std::ostream& operator <<(std::ostream &s, const Paths &p);
struct DoublePoint
{
double X;
double Y;
DoublePoint(double x = 0, double y = 0) : X(x), Y(y) {}
DoublePoint(IntPoint ip) : X((double)ip.X), Y((double)ip.Y) {}
};
//------------------------------------------------------------------------------
#ifdef use_xyz