Merge branch 'master' into fs_emboss

src/libslic3r/GCode.cpp

@@ -2327,7 +2327,7 @@ void GCode::process_layer_single_object(
                     interface_extruder = dontcare_extruder;
             }
             bool extrude_support   = has_support && support_extruder == extruder_id;
-            bool extrude_interface = interface_extruder && interface_extruder == extruder_id;
+            bool extrude_interface = has_interface && interface_extruder == extruder_id;
             if (extrude_support || extrude_interface) {
                 init_layer_delayed();
                 m_layer = layer_to_print.support_layer;

src/libslic3r/Layer.cpp

@@ -317,13 +317,16 @@ void Layer::build_up_down_graph(Layer& below, Layer& above)
             coord_t* end = srcs + 4;
             std::sort(begin, end);
             end = std::unique(begin, end);
-            assert(begin + 2 == end);
-            if (begin + 1 == end)
+            if (begin + 1 == end) {
+                // Self intersection may happen on source contour. Just copy the Z value.
                 pt.z() = *begin;
-            else if (begin + 2 <= end) {
-                // store a -1 based negative index into the "intersections" vector here.
-                m_intersections.emplace_back(srcs[0], srcs[1]);
-                pt.z() = -coord_t(m_intersections.size());
+            } else {
+                assert(begin + 2 == end);
+                if (begin + 2 <= end) {
+                    // store a -1 based negative index into the "intersections" vector here.
+                    m_intersections.emplace_back(srcs[0], srcs[1]);
+                    pt.z() = -coord_t(m_intersections.size());
+                }
             }
         }
         const std::vector<std::pair<coord_t, coord_t>>& intersections() const { return m_intersections; }

src/libslic3r/PerimeterGenerator.cpp

@@ -397,22 +397,37 @@ static ClipperLib_Z::Paths clip_extrusion(const ClipperLib_Z::Path &subject, con
     ClipperLib_Z::Clipper clipper;
     clipper.ZFillFunction([](const ClipperLib_Z::IntPoint &e1bot, const ClipperLib_Z::IntPoint &e1top, const ClipperLib_Z::IntPoint &e2bot,
                              const ClipperLib_Z::IntPoint &e2top, ClipperLib_Z::IntPoint &pt) {
+        // The clipping contour may be simplified by clipping it with a bounding box of "subject" path.
+        // The clipping function used may produce self intersections outside of the "subject" bounding box. Such self intersections are 
+        // harmless to the result of the clipping operation,
+        // Both ends of each edge belong to the same source: Either they are from subject or from clipping path.
+        assert(e1bot.z() >= 0 && e1top.z() >= 0);
+        assert(e2bot.z() >= 0 && e2top.z() >= 0);
+        assert((e1bot.z() == 0) == (e1top.z() == 0));
+        assert((e2bot.z() == 0) == (e2top.z() == 0));
+
+        // Start & end points of the clipped polyline (extrusion path with a non-zero width).
         ClipperLib_Z::IntPoint start = e1bot;
         ClipperLib_Z::IntPoint end   = e1top;
-
         if (start.z() <= 0 && end.z() <= 0) {
             start = e2bot;
             end   = e2top;
         }
 
-        assert(start.z() > 0 && end.z() > 0);
+        if (start.z() <= 0 && end.z() <= 0) {
+            // Self intersection on the source contour.
+            assert(start.z() == 0 && end.z() == 0);
+            pt.z() = 0;
+        } else {
+            // Interpolate extrusion line width.
+            assert(start.z() > 0 && end.z() > 0);
 
-        // Interpolate extrusion line width.
-        double length_sqr = (end - start).cast<double>().squaredNorm();
-        double dist_sqr   = (pt - start).cast<double>().squaredNorm();
-        double t          = std::sqrt(dist_sqr / length_sqr);
+            double length_sqr = (end - start).cast<double>().squaredNorm();
+            double dist_sqr   = (pt - start).cast<double>().squaredNorm();
+            double t          = std::sqrt(dist_sqr / length_sqr);
 
-        pt.z() = start.z() + coord_t((end.z() - start.z()) * t);
+            pt.z() = start.z() + coord_t((end.z() - start.z()) * t);
+        }
     });
 
     clipper.AddPath(subject, ClipperLib_Z::ptSubject, false);

src/slic3r/GUI/ConfigWizard_private.hpp

@@ -450,6 +450,14 @@ struct PageBedShape: ConfigWizardPage
     virtual void apply_custom_config(DynamicPrintConfig &config);
 };
 
+struct PageBuildVolume : ConfigWizardPage
+{
+    wxTextCtrl* build_volume;
+
+    PageBuildVolume(ConfigWizard* parent);
+    virtual void apply_custom_config(DynamicPrintConfig& config);
+};
+
 struct PageDiameters: ConfigWizardPage
 {
     wxTextCtrl *diam_nozzle;
@@ -584,6 +592,7 @@ struct ConfigWizard::priv
     PageBedShape     *page_bed = nullptr;
     PageDiameters    *page_diams = nullptr;
     PageTemperatures *page_temps = nullptr;
+    PageBuildVolume* page_bvolume = nullptr;
 
     // Pointers to all pages (regardless or whether currently part of the ConfigWizardIndex)
     std::vector<ConfigWizardPage*> all_pages;

src/slic3r/GUI/Field.cpp

@@ -1418,8 +1418,7 @@ void ColourPicker::sys_color_changed()
 
 PointCtrl::~PointCtrl()
 {
-    if (sizer) {
-        sizer->Clear();
+    if (sizer && sizer->IsEmpty()) {
         delete sizer;
         sizer = nullptr;
     }

src/slic3r/GUI/GUI_Factories.cpp

@@ -970,16 +970,19 @@ void MenuFactory::append_menu_item_edit_text(wxMenu *menu)
     wxString name        = _L("Edit text");
 
     auto can_edit_text = []() {
-        const auto& sel = plater()->get_selection();
-        if (sel.volumes_count() != 1) return false;
-        auto cid = sel.get_volume(*sel.get_volume_idxs().begin());
-        const ModelVolume* vol = plater()->canvas3D()->get_model()
-            ->objects[cid->object_idx()]->volumes[cid->volume_idx()];
-        return vol->text_configuration.has_value();
+        if (plater() != nullptr) {
+            const Selection& sel = plater()->get_selection();
+            if (sel.volumes_count() == 1) {
+                const GLVolume* gl_vol = sel.get_first_volume();
+                const ModelVolume* vol = plater()->model().objects[gl_vol->object_idx()]->volumes[gl_vol->volume_idx()];
+                return vol->text_configuration.has_value();
+            }
+        }
+        return false;
     };
 
-    if (menu == &m_object_menu) {
-        auto menu_item_id = menu->FindItem(name);
+    if (menu != &m_text_part_menu) {
+        const int menu_item_id = menu->FindItem(name);
         if (menu_item_id != wxNOT_FOUND)
             menu->Destroy(menu_item_id);
         if (!can_edit_text())