Reworked pad creation algorithm with new parameters:

* brim size
* force pad around object everywhere

src/libslic3r/SLA/SLASupportTree.hpp

@@ -9,7 +9,6 @@
 
 #include "SLACommon.hpp"
 
-
 namespace Slic3r {
 
 // Needed types from Point.hpp
@@ -85,6 +84,11 @@ struct SupportConfig {
     // The shortest distance between a pillar base perimeter from the model
     // body. This is only useful when elevation is set to zero.
     double pillar_base_safety_distance_mm = 0.5;
+    
+    double head_fullwidth() const {
+        return 2 * head_front_radius_mm + head_width_mm +
+               2 * head_back_radius_mm - head_penetration_mm;
+    }
 
     // /////////////////////////////////////////////////////////////////////////
     // Compile time configuration values (candidates for runtime)
@@ -104,7 +108,7 @@ struct SupportConfig {
     static const unsigned max_bridges_on_pillar;
 };
 
-struct PoolConfig;
+struct PadConfig;
 
 /// A Control structure for the support calculation. Consists of the status
 /// indicator callback and the stop condition predicate.
@@ -124,17 +128,6 @@ struct Controller {
     std::function<void(void)> cancelfn = [](){};
 };
 
-using PointSet = Eigen::MatrixXd;
-
-//EigenMesh3D to_eigenmesh(const TriangleMesh& m);
-
-// needed for find best rotation
-//EigenMesh3D to_eigenmesh(const ModelObject& model);
-
-// Simple conversion of 'vector of points' to an Eigen matrix
-//PointSet    to_point_set(const std::vector<sla::SupportPoint>&);
-
-
 /* ************************************************************************** */
 
 /// The class containing mesh data for the generated supports.
@@ -174,6 +167,9 @@ public:
     
     SLASupportTree(const SLASupportTree&) = delete;
     SLASupportTree& operator=(const SLASupportTree&) = delete;
+    
+    SLASupportTree(SLASupportTree &&o);
+    SLASupportTree &operator=(SLASupportTree &&o);
 
     ~SLASupportTree();
 
@@ -192,7 +188,7 @@ public:
     /// Otherwise, the modelbase will be unified with the base plate calculated
     /// from the supports.
     const TriangleMesh& add_pad(const ExPolygons& modelbase,
-                                const PoolConfig& pcfg) const;
+                                const PadConfig& pcfg) const;
 
     /// Get the pad geometry
     const TriangleMesh& get_pad() const;