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89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
#ifndef libslic3r_SeamPlacer_hpp_
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#define libslic3r_SeamPlacer_hpp_
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#include <optional>
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#include "libslic3r/ExPolygon.hpp"
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#include "libslic3r/PrintConfig.hpp"
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#include "libslic3r/BoundingBox.hpp"
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namespace Slic3r {
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class PrintObject;
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class ExtrusionLoop;
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class Print;
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namespace EdgeGrid { class Grid; }
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class SeamHistory {
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public:
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SeamHistory() { clear(); }
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std::optional<Point> get_last_seam(const PrintObject* po, size_t layer_id, const BoundingBox& island_bb);
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void add_seam(const PrintObject* po, const Point& pos, const BoundingBox& island_bb);
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void clear();
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private:
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struct SeamPoint {
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Point m_pos;
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BoundingBox m_island_bb;
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};
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std::map<const PrintObject*, std::vector<SeamPoint>> m_data_last_layer;
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std::map<const PrintObject*, std::vector<SeamPoint>> m_data_this_layer;
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size_t m_layer_id;
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};
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class SeamPlacer {
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public:
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void init(const Print& print);
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Point get_seam(const size_t layer_idx, const SeamPosition seam_position,
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const ExtrusionLoop& loop, Point last_pos,
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coordf_t nozzle_diameter, const PrintObject* po,
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bool was_clockwise, const EdgeGrid::Grid* lower_layer_edge_grid);
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private:
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std::vector<ExPolygons> m_enforcers;
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std::vector<ExPolygons> m_blockers;
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//std::map<const PrintObject*, Point> m_last_seam_position;
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SeamHistory m_seam_history;
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// Get indices of points inside enforcers and blockers.
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void get_enforcers_and_blockers(size_t layer_id,
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const Polygon& polygon,
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std::vector<size_t>& enforcers_idxs,
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std::vector<size_t>& blockers_idxs) const;
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// Apply penalties to points inside enforcers/blockers.
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void apply_custom_seam(const Polygon& polygon,
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std::vector<float>& penalties,
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const std::vector<float>& lengths,
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int layer_id, SeamPosition seam_position) const;
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// Return random point of a polygon. The distribution will be uniform
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// along the contour and account for enforcers and blockers.
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Point get_random_seam(size_t layer_idx, const Polygon& polygon,
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bool* saw_custom = nullptr) const;
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// Is there any enforcer/blocker on this layer?
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bool is_custom_seam_on_layer(size_t layer_id) const {
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return is_custom_enforcer_on_layer(layer_id)
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|| is_custom_blocker_on_layer(layer_id);
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}
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bool is_custom_enforcer_on_layer(size_t layer_id) const {
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return (! m_enforcers.empty() && ! m_enforcers[layer_id].empty());
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}
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bool is_custom_blocker_on_layer(size_t layer_id) const {
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return (! m_blockers.empty() && ! m_blockers[layer_id].empty());
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}
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};
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}
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#endif // libslic3r_SeamPlacer_hpp_
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