1 files changed, 22 insertions, 14 deletions

diff --git a/xs/src/libslic3r/BridgeDetector.cpp b/xs/src/libslic3r/BridgeDetector.cpp
index da59a04d8..1dddf81ce 100644
--- a/xs/src/libslic3r/BridgeDetector.cpp
+++ b/xs/src/libslic3r/BridgeDetector.cpp
@@ -186,15 +186,11 @@ BridgeDetector::detect_angle()
 }
 
 void
-BridgeDetector::coverage(Polygons* coverage) const
-{
-    if (this->angle == -1) return;
-    return this->coverage(angle, coverage);
-}
-
-void
 BridgeDetector::coverage(double angle, Polygons* coverage) const
 {
+    if (angle == -1) angle = this->angle;
+    if (angle == -1) return;
+    
     // Clone our expolygon and rotate it so that we work with vertical lines.
     ExPolygon expolygon = this->expolygon;
     expolygon.rotate(PI/2.0 - angle, Point(0,0));
@@ -263,19 +259,23 @@ BridgeDetector::coverage(double angle, Polygons* coverage) const
     */
 }
 
-/*  This method returns the bridge edges (as polylines) that are not supported
-    but would allow the entire bridge area to be bridged with detected angle
-    if supported too */
-void
-BridgeDetector::unsupported_edges(Polylines* unsupported) const
+Polygons
+BridgeDetector::coverage(double angle) const
 {
-    if (this->angle == -1) return;
-    return this->unsupported_edges(this->angle, unsupported);
+    Polygons pp;
+    this->coverage(angle, &pp);
+    return pp;
 }
 
+/*  This method returns the bridge edges (as polylines) that are not supported
+    but would allow the entire bridge area to be bridged with detected angle
+    if supported too */
 void
 BridgeDetector::unsupported_edges(double angle, Polylines* unsupported) const
 {
+    if (angle == -1) angle = this->angle;
+    if (angle == -1) return;
+    
     // get bridge edges (both contour and holes)
     Polylines bridge_edges;
     {
@@ -319,6 +319,14 @@ BridgeDetector::unsupported_edges(double angle, Polylines* unsupported) const
     */
 }
 
+Polylines
+BridgeDetector::unsupported_edges(double angle) const
+{
+    Polylines pp;
+    this->unsupported_edges(angle, &pp);
+    return pp;
+}
+
 #ifdef SLIC3RXS
 REGISTER_CLASS(BridgeDetector, "BridgeDetector");
 #endif