add ironing angle (#2320)

src/libslic3r/Fill/Fill.cpp

@@ -732,7 +732,7 @@ void Layer::make_ironing()
 				ironing_params.line_spacing = config.ironing_spacing;
 				ironing_params.height 		= default_layer_height * 0.01 * config.ironing_flow;
 				ironing_params.speed 		= config.ironing_speed;
-				ironing_params.angle 		= config.infill_direction * M_PI / 180.;
+                ironing_params.angle        = (config.ironing_angle >= 0 ? config.ironing_angle : config.infill_direction) * M_PI / 180.;
 				ironing_params.pattern      = config.ironing_pattern;
 				ironing_params.layerm 		= layerm;
 				by_extruder.emplace_back(ironing_params);

src/libslic3r/Preset.cpp

@@ -722,7 +722,7 @@ static std::vector<std::string> s_Preset_print_options {
     "seam_position", "staggered_inner_seams", "wall_infill_order", "sparse_infill_density", "sparse_infill_pattern", "top_surface_pattern", "bottom_surface_pattern",
     "infill_direction",
     "minimum_sparse_infill_area", "reduce_infill_retraction","internal_solid_infill_pattern",
-    "ironing_type", "ironing_pattern", "ironing_flow", "ironing_speed", "ironing_spacing",
+    "ironing_type", "ironing_pattern", "ironing_flow", "ironing_speed", "ironing_spacing", "ironing_angle",
     "max_travel_detour_distance",
     "fuzzy_skin", "fuzzy_skin_thickness", "fuzzy_skin_point_distance",
     "max_volumetric_extrusion_rate_slope", "max_volumetric_extrusion_rate_slope_segment_length",

src/libslic3r/PrintConfig.cpp

@@ -2375,6 +2375,16 @@ def = this->add("filament_loading_speed", coFloats);
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(20));
 
+    def           = this->add("ironing_angle", coFloat);
+    def->label    = L("Ironing angle");
+    def->category = L("Quality");
+    def->tooltip  = L("The angle ironing is done at. A negative number disables this function and uses the default method.");
+    def->sidetext = L("°");
+    def->min      = -1;
+    def->max      = 359;
+    def->mode     = comAdvanced;
+    def->set_default_value(new ConfigOptionFloat(-1));
+
     def = this->add("layer_change_gcode", coString);
     def->label = L("Layer change G-code");
     def->tooltip = L("This gcode part is inserted at every layer change after lift z");

src/libslic3r/PrintConfig.hpp

@@ -775,6 +775,7 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionPercent, ironing_flow))
     ((ConfigOptionFloat, ironing_spacing))
     ((ConfigOptionFloat, ironing_speed))
+    ((ConfigOptionFloat, ironing_angle))
     // Detect bridging perimeters
     ((ConfigOptionBool, detect_overhang_wall))
     ((ConfigOptionInt, wall_filament))

src/slic3r/GUI/ConfigManipulation.cpp

@@ -654,7 +654,7 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig *config, co
         toggle_field(el, have_support_material && !(support_is_normal_tree && !have_raft));
 
     bool has_ironing = (config->opt_enum<IroningType>("ironing_type") != IroningType::NoIroning);
-    for (auto el : { "ironing_flow", "ironing_spacing", "ironing_speed" })
+    for (auto el : { "ironing_flow", "ironing_spacing", "ironing_speed", "ironing_angle" })
         toggle_line(el, has_ironing);
 
     // bool have_sequential_printing = (config->opt_enum<PrintSequence>("print_sequence") == PrintSequence::ByObject);

src/slic3r/GUI/Tab.cpp

@@ -1877,6 +1877,7 @@ void TabPrint::build()
         optgroup->append_single_option_line("ironing_speed");
         optgroup->append_single_option_line("ironing_flow");
         optgroup->append_single_option_line("ironing_spacing");
+        optgroup->append_single_option_line("ironing_angle");
 
         optgroup = page->new_optgroup(L("Wall generator"), L"param_wall");
         optgroup->append_single_option_line("wall_generator");