Slic3r::AllIntersectionsVisitor Struct Reference

Collaboration diagram for Slic3r::AllIntersectionsVisitor:

Public Member Functions
	AllIntersectionsVisitor (const EdgeGrid::Grid &grid, std::vector< Intersection > &intersections)
	AllIntersectionsVisitor (const EdgeGrid::Grid &grid, std::vector< Intersection > &intersections, const Line &travel_line)
void	reset ()
bool	operator() (coord_t iy, coord_t ix)

Public Attributes
const EdgeGrid::Grid &	grid
std::vector< Intersection > &	intersections
Line	travel_line
std::unordered_set< std::pair< size_t, size_t >, boost::hash< std::pair< size_t, size_t > > >	intersection_set

Detailed Description

Constructor & Destructor Documentation

AllIntersectionsVisitor() [1/2]

Slic3r::AllIntersectionsVisitor::AllIntersectionsVisitor ( const EdgeGrid::Grid &  grid, std::vector< Intersection > &  intersections  )

inline

                                                                                              : grid(grid), intersections(intersections)
    {
        intersection_set.reserve(intersections.capacity());
    }

References intersection_set, and intersections.

AllIntersectionsVisitor() [2/2]

Slic3r::AllIntersectionsVisitor::AllIntersectionsVisitor ( const EdgeGrid::Grid &  grid, std::vector< Intersection > &  intersections, const Line &  travel_line  )

inline

        : grid(grid), intersections(intersections), travel_line(travel_line)
    {
        intersection_set.reserve(intersections.capacity());
    }

References intersection_set, and intersections.

Member Function Documentation

operator()()

bool Slic3r::AllIntersectionsVisitor::operator() ( coord_t  iy, coord_t  ix  )

inline

    {
        // Called with a row and column of the grid cell, which is intersected by a line.
        auto cell_data_range = grid.cell_data_range(iy, ix);
        for (auto it_contour_and_segment = cell_data_range.first; it_contour_and_segment != cell_data_range.second; ++it_contour_and_segment) {
            Point intersection_point;
            if (travel_line.intersection(grid.line(*it_contour_and_segment), &intersection_point) &&
                intersection_set.find(*it_contour_and_segment) == intersection_set.end()) {
                intersections.push_back({ it_contour_and_segment->first, it_contour_and_segment->second, intersection_point });
                intersection_set.insert(*it_contour_and_segment);
            }
        }
        // Continue traversing the grid along the edge.
        return true;
    }

References Slic3r::EdgeGrid::Grid::cell_data_range(), grid, Slic3r::Line::intersection(), intersection_set, intersections, Slic3r::EdgeGrid::Grid::line(), and travel_line.

Here is the call graph for this function:

reset()

void Slic3r::AllIntersectionsVisitor::reset ( )

inline

                 {
        intersection_set.clear();
    }

References intersection_set.

Member Data Documentation

grid

const EdgeGrid::Grid& Slic3r::AllIntersectionsVisitor::grid

Referenced by operator()().

intersection_set

std::unordered_set<std::pair<size_t, size_t>, boost::hash<std::pair<size_t, size_t> > > Slic3r::AllIntersectionsVisitor::intersection_set

Referenced by AllIntersectionsVisitor(), AllIntersectionsVisitor(), operator()(), and reset().

intersections

std::vector<Intersection>& Slic3r::AllIntersectionsVisitor::intersections

Referenced by AllIntersectionsVisitor(), AllIntersectionsVisitor(), and operator()().

travel_line

Line Slic3r::AllIntersectionsVisitor::travel_line

Referenced by operator()().

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The documentation for this struct was generated from the following file:

• src/libslic3r/GCode/AvoidCrossingPerimeters.cpp