Merge branch 'master' of https://github.com/prusa3d/PrusaSlicer into et_opengl_3

src/libslic3r/Arrange.cpp

@@ -581,11 +581,6 @@ static void process_arrangeable(const ArrangePolygon &arrpoly,
     const Vec2crd &offs     = arrpoly.translation;
     double         rotation = arrpoly.rotation;
 
-    // This fixes:
-    // https://github.com/prusa3d/PrusaSlicer/issues/2209
-    if (p.points.size() < 3)
-        return;
-
     outp.emplace_back(std::move(p));
     outp.back().rotation(rotation);
     outp.back().translation({offs.x(), offs.y()});

src/libslic3r/Format/SL1.cpp

@@ -503,13 +503,11 @@ static void write_thumbnail(Zipper &zipper, const ThumbnailData &data)
     }
 }
 
-void SL1Archive::export_print(const std::string     fname,
+void SL1Archive::export_print(Zipper               &zipper,
                               const SLAPrint       &print,
                               const ThumbnailsList &thumbnails,
                               const std::string    &prjname)
 {
-    Zipper zipper{fname};
-
     std::string project =
         prjname.empty() ?
             boost::filesystem::path(zipper.get_filename()).stem().string() :
@@ -549,4 +547,14 @@ void SL1Archive::export_print(const std::string     fname,
     }
 }
 
+void SL1Archive::export_print(const std::string     fname,
+                              const SLAPrint       &print,
+                              const ThumbnailsList &thumbnails,
+                              const std::string    &prjname)
+{
+    Zipper zipper{fname, Zipper::FAST_COMPRESSION};
+
+    export_print(zipper, print, thumbnails, prjname);
+}
+
 } // namespace Slic3r

src/libslic3r/Format/SL1.hpp

@@ -22,6 +22,11 @@ protected:
     SLAPrinterConfig & cfg() { return m_cfg; }
     const SLAPrinterConfig & cfg() const { return m_cfg; }
 
+    void export_print(Zipper &,
+                      const SLAPrint       &print,
+                      const ThumbnailsList &thumbnails,
+                      const std::string    &projectname);
+
 public:
 
     SL1Archive() = default;

src/libslic3r/Format/SL1_SVG.cpp

@@ -224,4 +224,14 @@ sla::RasterEncoder SL1_SVGArchive::get_encoder() const
     return nullptr;
 }
 
+void SL1_SVGArchive::export_print(const std::string     fname,
+                                  const SLAPrint       &print,
+                                  const ThumbnailsList &thumbnails,
+                                  const std::string    &projectname)
+{
+    Zipper zipper{fname, Zipper::TIGHT_COMPRESSION};
+
+    SL1Archive::export_print(zipper, print, thumbnails, projectname);
+}
+
 } // namespace Slic3r

src/libslic3r/Format/SL1_SVG.hpp

@@ -14,6 +14,11 @@ protected:
 
 public:
 
+    void export_print(const std::string     fname,
+                      const SLAPrint       &print,
+                      const ThumbnailsList &thumbnails,
+                      const std::string    &projectname = "") override;
+
     using SL1Archive::SL1Archive;
 };
 

src/libslic3r/Model.hpp

@@ -818,7 +818,7 @@ private:
     }
     // Providing a new mesh, therefore this volume will get a new unique ID assigned.
     ModelVolume(ModelObject *object, const ModelVolume &other, TriangleMesh &&mesh) :
-        name(other.name), source(other.source), m_mesh(new TriangleMesh(std::move(mesh))), config(other.config), m_type(other.m_type), object(object), m_transformation(other.m_transformation)
+        name(other.name), source(other.source), config(other.config), object(object), m_mesh(new TriangleMesh(std::move(mesh))), m_type(other.m_type), m_transformation(other.m_transformation)
     {
 		assert(this->id().valid()); 
         assert(this->config.id().valid()); 
@@ -833,7 +833,7 @@ private:
         assert(this->config.id() == other.config.id());
         this->set_material_id(other.material_id());
         this->config.set_new_unique_id();
-        if (mesh.facets_count() > 1)
+        if (m_mesh->facets_count() > 1)
             calculate_convex_hull();
 		assert(this->config.id().valid()); 
         assert(this->config.id() != other.config.id());