From 5d12a03b82d78b0f3ebacba519b181ed91987e3e Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Mon, 12 May 2014 23:02:33 +0200
Subject: [PATCH] Move Detect Bridging Perimeters to region config

---
 lib/Slic3r/Layer/Region.pm | 4 ++--
 xs/src/PrintConfig.hpp     | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/Slic3r/Layer/Region.pm b/lib/Slic3r/Layer/Region.pm
index 8f77ec2d0..60d024fbc 100644
--- a/lib/Slic3r/Layer/Region.pm
+++ b/lib/Slic3r/Layer/Region.pm
@@ -234,7 +234,7 @@ sub make_perimeters {
     
     # prepare grown lower layer slices for overhang detection
     my $lower_slices = Slic3r::ExPolygon::Collection->new;
-    if ($self->layer->lower_layer && $self->layer->print->config->overhangs) {
+    if ($self->layer->lower_layer && $self->region->config->overhangs) {
         # We consider overhang any part where the entire nozzle diameter is not supported by the
         # lower layer, so we take lower slices and offset them by half the nozzle diameter used 
         # in the current layer
@@ -271,7 +271,7 @@ sub make_perimeters {
             
             # detect overhanging/bridging perimeters
             my @paths = ();
-            if ($self->layer->print->config->overhangs && $lower_slices->count > 0) {
+            if ($self->region->config->overhangs && $lower_slices->count > 0) {
                 # get non-overhang paths by intersecting this loop with the grown lower slices
                 foreach my $polyline (@{ intersection_ppl([ $polygon ], $lower_slices_p) }) {
                     push @paths, Slic3r::ExtrusionPath->new(
diff --git a/xs/src/PrintConfig.hpp b/xs/src/PrintConfig.hpp
index b0082ad8c..758231930 100644
--- a/xs/src/PrintConfig.hpp
+++ b/xs/src/PrintConfig.hpp
@@ -1054,6 +1054,7 @@ class PrintRegionConfig : public virtual StaticPrintConfig
     ConfigOptionInt                 infill_extruder;
     ConfigOptionFloatOrPercent      infill_extrusion_width;
     ConfigOptionInt                 infill_every_layers;
+    ConfigOptionBool                overhangs;
     ConfigOptionInt                 perimeter_extruder;
     ConfigOptionFloatOrPercent      perimeter_extrusion_width;
     ConfigOptionInt                 perimeters;
@@ -1075,6 +1076,7 @@ class PrintRegionConfig : public virtual StaticPrintConfig
         this->infill_extrusion_width.value                       = 0;
         this->infill_extrusion_width.percent                     = false;
         this->infill_every_layers.value                          = 1;
+        this->overhangs.value                                    = true;
         this->perimeter_extruder.value                           = 1;
         this->perimeter_extrusion_width.value                    = 0;
         this->perimeter_extrusion_width.percent                  = false;
@@ -1099,6 +1101,7 @@ class PrintRegionConfig : public virtual StaticPrintConfig
         if (opt_key == "infill_extruder")                            return &this->infill_extruder;
         if (opt_key == "infill_extrusion_width")                     return &this->infill_extrusion_width;
         if (opt_key == "infill_every_layers")                        return &this->infill_every_layers;
+        if (opt_key == "overhangs")                                  return &this->overhangs;
         if (opt_key == "perimeter_extruder")                         return &this->perimeter_extruder;
         if (opt_key == "perimeter_extrusion_width")                  return &this->perimeter_extrusion_width;
         if (opt_key == "perimeters")                                 return &this->perimeters;
@@ -1164,7 +1167,6 @@ class PrintConfig : public virtual StaticPrintConfig
     ConfigOptionBool                only_retract_when_crossing_perimeters;
     ConfigOptionBool                ooze_prevention;
     ConfigOptionString              output_filename_format;
-    ConfigOptionBool                overhangs;
     ConfigOptionFloat               perimeter_acceleration;
     ConfigOptionFloat               perimeter_speed;
     ConfigOptionStrings             post_process;
@@ -1257,7 +1259,6 @@ class PrintConfig : public virtual StaticPrintConfig
         this->only_retract_when_crossing_perimeters.value        = true;
         this->ooze_prevention.value                              = false;
         this->output_filename_format.value                       = "[input_filename_base].gcode";
-        this->overhangs.value                                    = true;
         this->perimeter_acceleration.value                       = 0;
         this->perimeter_speed.value                              = 30;
         this->print_center.point                                 = Pointf(100,100);
@@ -1355,7 +1356,6 @@ class PrintConfig : public virtual StaticPrintConfig
         if (opt_key == "only_retract_when_crossing_perimeters")      return &this->only_retract_when_crossing_perimeters;
         if (opt_key == "ooze_prevention")                            return &this->ooze_prevention;
         if (opt_key == "output_filename_format")                     return &this->output_filename_format;
-        if (opt_key == "overhangs")                                  return &this->overhangs;
         if (opt_key == "perimeter_acceleration")                     return &this->perimeter_acceleration;
         if (opt_key == "perimeter_speed")                            return &this->perimeter_speed;
         if (opt_key == "post_process")                               return &this->post_process;