Initial work for porting PerimeterGenerator to XS

2025-07-15 02:37:51 -06:00 · 2015-07-03 22:58:29 +02:00 · 2015-07-03 22:58:29 +02:00 · b8aecbd56c
commit b8aecbd56c
parent 3e739b87da
5 changed files with 187 additions and 32 deletions
--- a/xs/src/libslic3r/PerimeterGenerator.cpp
+++ b/xs/src/libslic3r/PerimeterGenerator.cpp
@ -0,0 +1,120 @@
+#include "PerimeterGenerator.hpp"
+
+namespace Slic3r {
+
+void
+PerimeterGenerator::process()
+{
+
+}
+
+ExtrusionEntityCollection
+PerimeterGenerator::_traverse_loops(const std::vector<PerimeterGeneratorLoop> &loops,
+    const Polylines &thin_walls) const
+{
+    
+}
+
+ExtrusionEntityCollection
+PerimeterGenerator::_fill_gaps(double min, double max, double w,
+    const Polygons &gaps) const
+{
+    ExtrusionEntityCollection coll;
+    
+    min *= (1 - INSET_OVERLAP_TOLERANCE);
+    
+    ExPolygon curr = diff(
+        offset2(gaps, -min/2, +min/2),
+        offset2(gaps, -max/2, +max/2),
+        true,
+    );
+    
+    Polylines polylines;
+    for (ExPolygons::const_iterator ex = curr.begin(); ex != curr.end(); ++ex)
+        ex->medial_axis(max, min/2, &polylines);
+    if (polylines.empty())
+        return coll;
+    
+    #ifdef SLIC3R_DEBUG
+    if (!curr.empty())
+        printf("  %d gaps filled with extrusion width = %zu\n", curr.size(), w);
+    #endif
+    
+    //my $flow = $layerm->flow(FLOW_ROLE_SOLID_INFILL, 0, $w);
+    Flow flow(
+        w, this->layer_height, this->solid_infill_flow.nozzle_diameter
+    );
+    
+    double mm3_per_mm = flow.mm3_per_mm();
+    
+    /*
+    my %path_args = (
+        role        => EXTR_ROLE_GAPFILL,
+        mm3_per_mm  => $flow->mm3_per_mm,
+        width       => $flow->width,
+        height      => $self->layer_height,
+    );
+    */
+    
+    for (Polylines::const_iterator p = polylines.begin(); p != polylines.end(); ++p) {
+        /*
+        #if ($polylines[$i]->isa('Slic3r::Polygon')) {
+        #    my $loop = Slic3r::ExtrusionLoop->new;
+        #    $loop->append(Slic3r::ExtrusionPath->new(polyline => $polylines[$i]->split_at_first_point, %path_args));
+        #    $polylines[$i] = $loop;
+        */
+        if (p->is_valid() && p->first_point().coincides_with(p->last_point())) {
+            // since medial_axis() now returns only Polyline objects, detect loops here
+            
+            
+            ExtrusionLoop loop;
+            loop.paths.push_back();
+        } else {
+            
+        }
+    }
+    
+    foreach my $polyline (@polylines) {
+        #if ($polylines[$i]->isa('Slic3r::Polygon')) {
+        #    my $loop = Slic3r::ExtrusionLoop->new;
+        #    $loop->append(Slic3r::ExtrusionPath->new(polyline => $polylines[$i]->split_at_first_point, %path_args));
+        #    $polylines[$i] = $loop;
+        if ($polyline->is_valid && $polyline->first_point->coincides_with($polyline->last_point)) {
+            # since medial_axis() now returns only Polyline objects, detect loops here
+            push @entities, my $loop = Slic3r::ExtrusionLoop->new;
+            $loop->append(Slic3r::ExtrusionPath->new(polyline => $polyline, %path_args));
+        } else {
+            push @entities, Slic3r::ExtrusionPath->new(polyline => $polyline, %path_args);
+        }
+    }
+    
+    return coll;
+}
+
+#ifdef SLIC3RXS
+REGISTER_CLASS(PerimeterGenerator, "Layer::PerimeterGenerator");
+#endif
+
+bool
+PerimeterGeneratorLoop::is_external() const
+{
+    return this->depth == 0;
+}
+
+bool
+PerimeterGeneratorLoop::is_internal_contour() const
+{
+    if (this->is_contour) {
+        // an internal contour is a contour containing no other contours
+        for (std::vector<PerimeterGeneratorLoop>::const_iterator loop = this->children.begin();
+            loop != this->children.end(); ++loop) {
+            if (loop->is_contour) {
+                return false;
+            }
+        }
+        return true;
+    }
+    return false;
+}
+
+}