Feature: Retract amount after wipe

A new setting added - `Retract amount after wipe`. It controls the length of fast retraction after wipe, relative to retraction length. The value will be clamped by 100% minus the retract amount before the wipe value.

Author: valerii-bokhan

src/libslic3r/Extruder.cpp

@@ -168,7 +168,13 @@ double Extruder::filament_flow_ratio() const
 // Return a "retract_before_wipe" percentage as a factor clamped to <0, 1>
 double Extruder::retract_before_wipe() const
 {
-    return std::min(1., std::max(0., m_config->retract_before_wipe.get_at(m_id) * 0.01));
+    return std::clamp(m_config->retract_before_wipe.get_at(m_id) * 0.01, 0., 1.);
+}
+
+// Return a "retract_after_wipe" percentage as a factor clamped to <0, 1>
+double Extruder::retract_after_wipe() const
+{
+    return std::min(std::clamp(m_config->retract_after_wipe.get_at(m_id) * 0.01, 0., 1.), 1. - retract_before_wipe());
 }
 
 double Extruder::retraction_length() const

src/libslic3r/Extruder.hpp

@@ -63,6 +63,7 @@ class Extruder
     double filament_cost() const;
     double filament_flow_ratio() const;
     double retract_before_wipe() const;
+    double retract_after_wipe() const;
     double retraction_length() const;
     double retract_lift() const;
     int    retract_speed() const;

src/libslic3r/GCode.cpp

@@ -60,9 +60,11 @@ class Wipe {
 public:
     bool enable;
     Polyline path;
+
     struct RetractionValues{
-        double retractLengthBeforeWipe;
-        double retractLengthDuringWipe;
+        double retraction_length_before_wipe = 0.;
+        double retraction_length_during_wipe = 0.;
+        double retraction_length_after_wipe  = 0.;
     };
 
     Wipe() : enable(false) {}

src/libslic3r/GCode.hpp

@@ -964,7 +964,7 @@ static std::vector<std::string> s_Preset_filament_options {/*"filament_colour",
     "activate_air_filtration","during_print_exhaust_fan_speed","complete_print_exhaust_fan_speed",
     // Retract overrides
     "filament_retraction_length", "filament_z_hop", "filament_z_hop_types", "filament_retract_lift_above", "filament_retract_lift_below", "filament_retract_lift_enforce", "filament_retraction_speed", "filament_deretraction_speed", "filament_retract_restart_extra", "filament_retraction_minimum_travel",
-    "filament_retract_when_changing_layer", "filament_wipe", "filament_retract_before_wipe",
+    "filament_retract_when_changing_layer", "filament_wipe", "filament_retract_before_wipe", "filament_retract_after_wipe",
     // Profile compatibility
     "filament_vendor", "compatible_prints", "compatible_prints_condition", "compatible_printers", "compatible_printers_condition", "inherits",
     //BBS

src/libslic3r/Preset.cpp

@@ -172,6 +172,7 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
         "filename_format",
         "retraction_minimum_travel",
         "retract_before_wipe",
+        "retract_after_wipe",
         "retract_when_changing_layer",
         "retraction_length",
         "retract_length_toolchange",