From f3f25749ce81d3664a53e723c611645f78bdefa2 Mon Sep 17 00:00:00 2001
From: Jabier Arraiza Cenoz <jabier.arraiza@marker.es>
Date: Wed, 22 Apr 2015 18:47:54 +0200
Subject: adding suport to full path reverse

(bzr r13645.1.82)
---
 src/helper/geom-pathinfo.cpp  |  6 +++++-
 src/helper/geom-pointwise.cpp | 24 ++++++++++++++++++++++++
 src/helper/geom-pointwise.h   |  1 +
 3 files changed, 30 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/helper/geom-pathinfo.cpp b/src/helper/geom-pathinfo.cpp
index 8144564cb..38d58d417 100644
--- a/src/helper/geom-pathinfo.cpp
+++ b/src/helper/geom-pathinfo.cpp
@@ -87,7 +87,11 @@ size_t Pathinfo::size() const
 
 size_t Pathinfo::subPathSize(size_t index) const
 {
-    return data[index].first + 1;
+    size_t size = 0;
+    if( data.size() > index){
+        size = data[index].first + 1;
+    }
+    return size;
 }
 
 size_t Pathinfo::subPathIndex(size_t index) const
diff --git a/src/helper/geom-pointwise.cpp b/src/helper/geom-pointwise.cpp
index 6521e10b2..74c594d68 100644
--- a/src/helper/geom-pointwise.cpp
+++ b/src/helper/geom-pointwise.cpp
@@ -223,6 +223,26 @@ void Pointwise::subpathReverse(size_t start, size_t end)
     setPwd2(remove_short_cuts(paths_to_pw(tmp_path), 0.01));
 }
 
+void Pointwise::pathReverse()
+{
+    start++;
+    for (size_t i = _satellites.size()-1; i >= 0; i--) {
+        _satellites.insert(_satellites.begin() + _satellites.size(), _satellites[i]);
+        _satellites.erase(_satellites.begin() + i);
+    }
+    std::vector<Geom::Path> path_in =
+        path_from_piecewise(remove_short_cuts(_pwd2, 0.1), 0.001);
+    std::vector<Geom::Path> tmp_path;
+    for (PathVector::const_iterator path_it = path_in.begin();
+            path_it != path_in.end(); ++path_it) {
+        if (path_it->empty()) {
+            continue;
+        }
+        tmp_path.push_back(path_it->reverse());
+    }
+    setPwd2(remove_short_cuts(paths_to_pw(tmp_path), 0.01));
+}
+
 
 /** Fired when a path is modified duplicating a node. Piecewise ignore degenerated curves.
  */
@@ -233,6 +253,10 @@ void Pointwise::insertDegenerateSatellites(Piecewise<D2<SBasis> > A, Geom::PathV
     size_t size_B = _path_info.size();
     size_t satellite_gap = size_B - size_A;
     if (satellite_gap == 0){
+        if(_path_info.subPathSize(1) > 0 && !are_near(_pwd2[0].initialPoint(), A[0].initialPoint()) &&
+            !are_near(_pwd2[size_A-1].finalPoint(), A[size_A-1].finalPoint())){
+            pathReverse();
+        }
         return;
     }
     size_t counter = 0;
diff --git a/src/helper/geom-pointwise.h b/src/helper/geom-pointwise.h
index e4b9f2b05..590f25f6f 100644
--- a/src/helper/geom-pointwise.h
+++ b/src/helper/geom-pointwise.h
@@ -52,6 +52,7 @@ public:
     void pwd2Sustract(Piecewise<D2<SBasis> > A);
     void pwd2Append(Piecewise<D2<SBasis> > A, Satellite S);
     void subpathToBack(size_t subpath);
+    void pathReverse();
     void subpathReverse(size_t start, size_t end);
     void insertDegenerateSatellites(Piecewise<D2<SBasis> > A, Geom::PathVector B, Satellite S);
 
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