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#ifndef slic3r_FillRectilinear_hpp_
#define slic3r_FillRectilinear_hpp_
#include "../libslic3r.h"
#include "FillBase.hpp"
namespace Slic3r {
class Surface;
class FillRectilinear : public Fill
{
public:
virtual Fill* clone() const { return new FillRectilinear(*this); };
virtual ~FillRectilinear() {}
protected:
virtual void _fill_surface_single(
const FillParams ¶ms,
unsigned int thickness_layers,
const std::pair<float, Point> &direction,
ExPolygon &expolygon,
Polylines &polylines_out);
coord_t _min_spacing;
coord_t _line_spacing;
// distance threshold for allowing the horizontal infill lines to be connected into a continuous path
coord_t _diagonal_distance;
// only for line infill
coord_t _line_oscillation;
// Enabled for the grid infill, disabled for the rectilinear and line infill.
virtual bool _horizontal_lines() const { return false; }
virtual Line _line(int i, coord_t x, coord_t y_min, coord_t y_max) const
{ return Line(Point(x, y_min), Point(x, y_max)); }
virtual bool _can_connect(coord_t dist_X, coord_t dist_Y) {
return dist_X <= this->_diagonal_distance
&& dist_Y <= this->_diagonal_distance;
}
};
class FillLine : public FillRectilinear
{
public:
virtual ~FillLine() {}
protected:
virtual Line _line(int i, coord_t x, coord_t y_min, coord_t y_max) const {
coord_t osc = (i & 1) ? this->_line_oscillation : 0;
return Line(Point(x - osc, y_min), Point(x + osc, y_max));
}
virtual bool _can_connect(coord_t dist_X, coord_t dist_Y)
{
coord_t TOLERANCE = 10 * SCALED_EPSILON;
return (dist_X >= (this->_line_spacing - this->_line_oscillation) - TOLERANCE)
&& (dist_X <= (this->_line_spacing + this->_line_oscillation) + TOLERANCE)
&& (dist_Y <= this->_diagonal_distance);
}
};
class FillGrid : public FillRectilinear
{
public:
virtual ~FillGrid() {}
protected:
// The grid fill will keep the angle constant between the layers, see the implementation of Slic3r::Fill.
virtual float _layer_angle(size_t idx) const { return 0.f; }
// Flag for Slic3r::Fill::Rectilinear to fill both directions.
virtual bool _horizontal_lines() const { return true; }
};
}; // namespace Slic3r
#endif // slic3r_FillRectilinear_hpp_
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