Merge branch 'lm_improvements'

src/libslic3r/Arrange.cpp

@@ -552,7 +552,7 @@ static CircleBed to_circle(const Point &center, const Points& points) {
     std::vector<double> vertex_distances;
     double avg_dist = 0;
     
-    for (auto pt : points)
+    for (const Point& pt : points)
     {
         double distance = distance_to(center, pt);
         vertex_distances.push_back(distance);

src/libslic3r/Config.cpp

@@ -306,7 +306,7 @@ ConfigOptionDef* ConfigDef::add_nullable(const t_config_option_key &opt_key, Con
 std::ostream& ConfigDef::print_cli_help(std::ostream& out, bool show_defaults, std::function<bool(const ConfigOptionDef &)> filter) const
 {
     // prepare a function for wrapping text
-    auto wrap = [](std::string text, size_t line_length) -> std::string {
+    auto wrap = [](const std::string& text, size_t line_length) -> std::string {
         std::istringstream words(text);
         std::ostringstream wrapped;
         std::string word;
@@ -335,7 +335,7 @@ std::ostream& ConfigDef::print_cli_help(std::ostream& out, bool show_defaults, s
             categories.insert(def.category);
     }
     
-    for (auto category : categories) {
+    for (const std::string& category : categories) {
         if (category != "") {
             out << category << ":" << std::endl;
         } else if (categories.size() > 1) {

src/libslic3r/CustomGCode.cpp

@@ -41,7 +41,7 @@ extern void check_mode_for_custom_gcode_per_print_z(Info& info)
         return;
 
     bool is_single_extruder = true;
-    for (auto item : info.gcodes) 
+    for (const Item& item : info.gcodes)
     {
         if (item.type == ToolChange) {
             info.mode = MultiAsSingle;

src/libslic3r/ExPolygon.hpp

@@ -169,10 +169,10 @@ inline Polylines to_polylines(ExPolygon &&src)
     Polyline &pl = polylines[idx ++];
     pl.points = std::move(src.contour.points);
     pl.points.push_back(pl.points.front());
-    for (Polygons::const_iterator ith = src.holes.begin(); ith != src.holes.end(); ++ith) {
+    for (auto ith = src.holes.begin(); ith != src.holes.end(); ++ith) {
         Polyline &pl = polylines[idx ++];
         pl.points = std::move(ith->points);
-        pl.points.push_back(ith->points.front());
+        pl.points.push_back(p1.points.front());
     }
     assert(idx == polylines.size());
     return polylines;
@@ -183,14 +183,14 @@ inline Polylines to_polylines(ExPolygons &&src)
     Polylines polylines;
     polylines.assign(number_polygons(src), Polyline());
     size_t idx = 0;
-    for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++it) {
+    for (auto it = src.begin(); it != src.end(); ++it) {
         Polyline &pl = polylines[idx ++];
         pl.points = std::move(it->contour.points);
         pl.points.push_back(pl.points.front());
-        for (Polygons::const_iterator ith = it->holes.begin(); ith != it->holes.end(); ++ith) {
+        for (auto ith = it->holes.begin(); ith != it->holes.end(); ++ith) {
             Polyline &pl = polylines[idx ++];
             pl.points = std::move(ith->points);
-            pl.points.push_back(ith->points.front());
+            pl.points.push_back(pl.points.front());
         }
     }
     assert(idx == polylines.size());

src/libslic3r/ExtrusionEntity.hpp

@@ -242,7 +242,7 @@ public:
     ExtrusionLoop(ExtrusionPaths &&paths, ExtrusionLoopRole role = elrDefault) : paths(std::move(paths)), m_loop_role(role) {}
     ExtrusionLoop(const ExtrusionPath &path, ExtrusionLoopRole role = elrDefault) : m_loop_role(role) 
         { this->paths.push_back(path); }
-    ExtrusionLoop(const ExtrusionPath &&path, ExtrusionLoopRole role = elrDefault) : m_loop_role(role)
+    ExtrusionLoop(ExtrusionPath &&path, ExtrusionLoopRole role = elrDefault) : m_loop_role(role)
         { this->paths.emplace_back(std::move(path)); }
     bool is_loop() const override{ return true; }
     bool can_reverse() const override { return false; }

src/libslic3r/Fill/FillBase.hpp

@@ -125,7 +125,7 @@ protected:
         unsigned int                      /* thickness_layers */,
         const std::pair<float, Point>   & /* direction */, 
         ExPolygon                         /* expolygon */,
-        Polylines                       & /* polylines_out */) {};
+        Polylines                       & /* polylines_out */) {}
 
     virtual float _layer_angle(size_t idx) const { return (idx & 1) ? float(M_PI/2.) : 0; }
 

src/libslic3r/Layer.hpp

@@ -18,7 +18,7 @@ class PrintObject;
 
 namespace FillAdaptive {
     struct Octree;
-};
+}
 
 namespace FillLightning {
     class Generator;

src/libslic3r/Model.cpp

@@ -903,7 +903,7 @@ indexed_triangle_set ModelObject::raw_indexed_triangle_set() const
             size_t j = out.indices.size();
             append(out.vertices, v->mesh().its.vertices);
             append(out.indices,  v->mesh().its.indices);
-            auto m = v->get_matrix();
+            const Transform3d& m = v->get_matrix();
             for (; i < out.vertices.size(); ++ i)
                 out.vertices[i] = (m * out.vertices[i].cast<double>()).cast<float>().eval();
             if (v->is_left_handed()) {

src/libslic3r/Model.hpp

@@ -817,7 +817,7 @@ private:
         this->set_material_id(other.material_id());
     }
     // Providing a new mesh, therefore this volume will get a new unique ID assigned.
-    ModelVolume(ModelObject *object, const ModelVolume &other, const TriangleMesh &&mesh) :
+    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)
     {
 		assert(this->id().valid()); 

src/libslic3r/Polygon.hpp

@@ -220,10 +220,10 @@ inline Polylines to_polylines(Polygons &&polys)
     Polylines polylines;
     polylines.assign(polys.size(), Polyline());
     size_t idx = 0;
-    for (Polygons::const_iterator it = polys.begin(); it != polys.end(); ++ it) {
+    for (auto it = polys.begin(); it != polys.end(); ++ it) {
         Polyline &pl = polylines[idx ++];
         pl.points = std::move(it->points);
-        pl.points.push_back(it->points.front());
+        pl.points.push_back(pl.points.front());
     }
     assert(idx == polylines.size());
     return polylines;
@@ -242,7 +242,7 @@ inline Polygons to_polygons(std::vector<Points> &&paths)
 {
     Polygons out;
     out.reserve(paths.size());
-    for (const Points &path : paths)
+    for (Points &path : paths)
         out.emplace_back(std::move(path));
     return out;
 }

src/libslic3r/Polyline.hpp

@@ -139,7 +139,7 @@ inline Polylines to_polylines(std::vector<Points> &&paths)
 {
     Polylines out;
     out.reserve(paths.size());
-    for (const Points &path : paths)
+    for (Points &path : paths)
         out.emplace_back(std::move(path));
     return out;
 }

src/libslic3r/Preset.cpp

@@ -1498,7 +1498,7 @@ void PhysicalPrinter::update_preset_names_in_config()
     if (!preset_names.empty()) {
         std::vector<std::string>& values = config.option<ConfigOptionStrings>("preset_names")->values;
         values.clear();
-        for (auto preset : preset_names)
+        for (const std::string& preset : preset_names)
             values.push_back(preset);
 
         // temporary workaround for compatibility with older Slicer
@@ -1571,7 +1571,7 @@ void PhysicalPrinter::set_name(const std::string& name)
     this->name = name;
 }
 
-std::string PhysicalPrinter::get_full_name(std::string preset_name) const
+std::string PhysicalPrinter::get_full_name(const std::string& preset_name) const
 {
     return name + separator() + preset_name;
 }
@@ -1888,7 +1888,7 @@ std::vector<std::string> PhysicalPrinterCollection::get_printers_with_only_prese
 {
     std::vector<std::string> printers;
 
-    for (auto printer : m_printers)
+    for (const PhysicalPrinter& printer : m_printers)
         if (printer.preset_names.size() == 1 && *printer.preset_names.begin() == preset_name)
             printers.emplace_back(printer.name);
 

src/libslic3r/Preset.hpp

@@ -675,7 +675,7 @@ public:
     bool                operator<(const PhysicalPrinter& other) const { return this->name < other.name; }
 
     // get full printer name included a name of the preset
-    std::string         get_full_name(std::string preset_name) const;
+    std::string         get_full_name(const std::string &preset_name) const;
 
     // get printer name from the full name uncluded preset name
     static std::string  get_short_name(std::string full_name);

src/libslic3r/PresetBundle.cpp

@@ -267,7 +267,7 @@ PresetsConfigSubstitutions PresetBundle::load_presets(AppConfig &config, Forward
     std::string errors_cummulative;
     std::tie(substitutions, errors_cummulative) = this->load_system_presets(substitution_rule);
 
-    const std::string dir_user_presets = data_dir()
+    const std::string& dir_user_presets = data_dir()
 #ifdef SLIC3R_PROFILE_USE_PRESETS_SUBDIR
         // Store the print/filament/printer presets into a "presets" directory.
         + "/presets"

src/libslic3r/Print.cpp

@@ -885,9 +885,9 @@ std::string Print::export_gcode(const std::string& path_template, GCodeProcessor
         message = L("Generating G-code");
     this->set_status(90, message);
 
-    // The following line may die for multiple reasons.
+    // Create GCode on heap, it has quite a lot of data.
-    GCode gcode;
+    std::unique_ptr<GCode> gcode(new GCode);
-    gcode.do_export(this, path.c_str(), result, thumbnail_cb);
+    gcode->do_export(this, path.c_str(), result, thumbnail_cb);
     return path.c_str();
 }
 

src/libslic3r/Surface.hpp

@@ -58,11 +58,11 @@ public:
             thickness(rhs.thickness), thickness_layers(rhs.thickness_layers), 
             bridge_angle(rhs.bridge_angle), extra_perimeters(rhs.extra_perimeters)
         {};
-    Surface(SurfaceType _surface_type, const ExPolygon &&_expolygon)
+    Surface(SurfaceType _surface_type, ExPolygon &&_expolygon)
         : surface_type(_surface_type), expolygon(std::move(_expolygon)),
             thickness(-1), thickness_layers(1), bridge_angle(-1), extra_perimeters(0)
         {};
-    Surface(const Surface &other, const ExPolygon &&_expolygon)
+    Surface(const Surface &other, ExPolygon &&_expolygon)
         : surface_type(other.surface_type), expolygon(std::move(_expolygon)),
             thickness(other.thickness), thickness_layers(other.thickness_layers), 
             bridge_angle(other.bridge_angle), extra_perimeters(other.extra_perimeters)
@@ -159,7 +159,7 @@ inline ExPolygons to_expolygons(Surfaces &&src)
 {
 	ExPolygons expolygons;
 	expolygons.reserve(src.size());
-	for (Surfaces::const_iterator it = src.begin(); it != src.end(); ++it)
+	for (auto it = src.begin(); it != src.end(); ++it)
 		expolygons.emplace_back(ExPolygon(std::move(it->expolygon)));
 	src.clear();
 	return expolygons;
@@ -260,8 +260,8 @@ inline void surfaces_append(Surfaces &dst, ExPolygons &&src, SurfaceType surface
 inline void surfaces_append(Surfaces &dst, ExPolygons &&src, const Surface &surfaceTempl) 
 { 
     dst.reserve(dst.size() + number_polygons(src));
-    for (ExPolygons::const_iterator it = src.begin(); it != src.end(); ++ it)
+    for (ExPolygon& explg : src)
-        dst.emplace_back(Surface(surfaceTempl, std::move(*it)));
+        dst.emplace_back(Surface(surfaceTempl, std::move(explg)));
     src.clear();
 }
 

src/libslic3r/utils.cpp

@@ -962,8 +962,10 @@ std::string string_printf(const char *format, ...)
         ::vsnprintf(buffer.data(), buffer.size(), format, args2);
     }
 
-    buffer.resize(bufflen);
+    va_end(args1);
+    va_end(args2);
     
+    buffer.resize(bufflen);
     return buffer;
 }
 

src/slic3r/GUI/DoubleSlider.cpp

@@ -1084,7 +1084,7 @@ void Control::Ruler::update(const std::vector<double>& values, double scroll_ste
 {
     if (!m_parent || values.empty() ||
         // check if need to update ruler in respect to input values
-        values.front() == m_min_val && values.back() == m_max_val && m_scroll_step == scroll_step && max_values.size() == m_max_values_cnt)
+        (values.front() == m_min_val && values.back() == m_max_val && m_scroll_step == scroll_step && max_values.size() == m_max_values_cnt))
         return;
 
     m_min_val           = values.front(); 

src/slic3r/GUI/GUI.cpp

@@ -530,9 +530,6 @@ wxExecuteEnv get_appimage_exec_env()
 } // namespace
 void desktop_execute(const char* argv[])
 {
-	if (sizeof(argv) == 0)
-		return;
-
 	// Check if we're running in an AppImage container, if so, we need to remove AppImage's env vars,
 	// because they may mess up the environment expected by the file manager.
 	// Mostly this is about LD_LIBRARY_PATH, but we remove a few more too for good measure.

src/slic3r/GUI/UpdateDialogs.cpp

@@ -207,7 +207,7 @@ bool AppUpdateDownloadDialog::run_after_download() const
 
 boost::filesystem::path AppUpdateDownloadDialog::get_download_path() const
 {
-	return std::move(boost::filesystem::path(txtctrl_path->GetValue().ToUTF8().data()));
+	return boost::filesystem::path(txtctrl_path->GetValue().ToUTF8().data());
 }
 
 // MsgUpdateConfig