QIDISlicer1.0.0

src/libslic3r/Fill/FillPlanePath.hpp

@@ -0,0 +1,91 @@
+#ifndef slic3r_FillPlanePath_hpp_
+#define slic3r_FillPlanePath_hpp_
+
+#include <map>
+
+#include "../libslic3r.h"
+
+#include "FillBase.hpp"
+
+namespace Slic3r {
+
+// The original Perl code used path generators from Math::PlanePath library:
+// http://user42.tuxfamily.org/math-planepath/
+// http://user42.tuxfamily.org/math-planepath/gallery.html
+
+class FillPlanePath : public Fill
+{
+public:
+    ~FillPlanePath() override = default;
+
+protected:
+    void _fill_surface_single(
+        const FillParams                &params, 
+        unsigned int                     thickness_layers,
+        const std::pair<float, Point>   &direction, 
+        ExPolygon                        expolygon,
+        Polylines                       &polylines_out) override;
+
+    float _layer_angle(size_t idx) const override { return 0.f; }
+    virtual bool centered() const = 0;
+
+    friend class InfillPolylineClipper;
+    class InfillPolylineOutput {
+    public:
+        InfillPolylineOutput(const double scale_out) : m_scale_out(scale_out) {}
+
+        void            reserve(size_t n) { m_out.reserve(n); }
+        void            add_point(const Vec2d& pt) { m_out.emplace_back(this->scaled(pt)); }
+        Points&& result() { return std::move(m_out); }
+        virtual bool    clips() const { return false; }
+
+    protected:
+        const Point     scaled(const Vec2d &fpt) const { return { coord_t(floor(fpt.x() * m_scale_out + 0.5)), coord_t(floor(fpt.y() * m_scale_out + 0.5)) }; }
+
+        // Output polyline.
+        Points          m_out;
+
+    private:
+        // Scaling coefficient of the generated points before tested against m_bbox and clipped by bbox.
+        double          m_scale_out;
+    };
+
+    virtual void generate(coord_t min_x, coord_t min_y, coord_t max_x, coord_t max_y, const double resolution, InfillPolylineOutput &output) = 0;
+};
+
+class FillArchimedeanChords : public FillPlanePath
+{
+public:
+    Fill* clone() const override { return new FillArchimedeanChords(*this); };
+    ~FillArchimedeanChords() override = default;
+
+protected:
+    bool centered() const override { return true; }
+    void generate(coord_t min_x, coord_t min_y, coord_t max_x, coord_t max_y, const double resolution, InfillPolylineOutput &output) override;
+};
+
+class FillHilbertCurve : public FillPlanePath
+{
+public:
+    Fill* clone() const override { return new FillHilbertCurve(*this); };
+    ~FillHilbertCurve() override = default;
+
+protected:
+    bool centered() const override { return false; }
+    void generate(coord_t min_x, coord_t min_y, coord_t max_x, coord_t max_y, const double resolution, InfillPolylineOutput &output) override;
+};
+
+class FillOctagramSpiral : public FillPlanePath
+{
+public:
+    Fill* clone() const override { return new FillOctagramSpiral(*this); };
+    ~FillOctagramSpiral() override = default;
+
+protected:
+    bool centered() const override { return true; }
+    void generate(coord_t min_x, coord_t min_y, coord_t max_x, coord_t max_y, const double resolution, InfillPolylineOutput &output) override;
+};
+
+} // namespace Slic3r
+
+#endif // slic3r_FillPlanePath_hpp_