Cleanup: Clang-Tidy modernize-use-nullptr

Replace `NULL` with `nullptr` in C++ code.

No functional changes.

3 files changed, 32 insertions, 32 deletions

diff --git a/source/blender/freestyle/intern/winged_edge/WEdge.cpp b/source/blender/freestyle/intern/winged_edge/WEdge.cpp
index c8805c144e3..0811fe336b7 100644
--- a/source/blender/freestyle/intern/winged_edge/WEdge.cpp
+++ b/source/blender/freestyle/intern/winged_edge/WEdge.cpp
@@ -63,7 +63,7 @@ WVertex::WVertex(WVertex &iBrother)
   _Shape = iBrother._Shape;
   _Smooth = iBrother._Smooth;
   _Border = iBrother._Border;
-  userdata = NULL;
+  userdata = nullptr;
   iBrother.userdata = new vertexdata;
   ((vertexdata *)(iBrother.userdata))->_copy = this;
 }
@@ -84,12 +84,12 @@ void WVertex::incoming_edge_iterator::increment()
   WOEdge *twin = _current->twin();
   if (!twin) {
     // we reached a hole
-    _current = 0;
+    _current = nullptr;
     return;
   }
   WOEdge *next = twin->getPrevOnFace();
   if (next == _begin) {
-    next = NULL;
+    next = nullptr;
   }
   _current = next;
 }
@@ -98,7 +98,7 @@ WFace *WVertex::face_iterator::operator*()
 {
   WOEdge *woedge = *_edge_it;
   if (!woedge) {
-    return NULL;
+    return nullptr;
   }
   return (woedge)->GetbFace();
 }
@@ -163,7 +163,7 @@ WVertex::incoming_edge_iterator WVertex::incoming_edges_end()
   else {
     begin = _EdgeList.front()->GetbOEdge();
   }
-  return incoming_edge_iterator(this, begin, 0);
+  return incoming_edge_iterator(this, begin, nullptr);
 }
 #if 0
 WOEdge **WVertex::incoming_edge_iterator::operator->()
@@ -194,7 +194,7 @@ WOEdge::WOEdge(WOEdge &iBrother)
   _paFace = iBrother.GetaFace();
   _pbFace = iBrother.GetbFace();
   _pOwner = iBrother.GetOwner();
-  userdata = NULL;
+  userdata = nullptr;
   iBrother.userdata = new oedgedata;
   ((oedgedata *)(iBrother.userdata))->_copy = this;
 
@@ -228,11 +228,11 @@ WOEdge *WOEdge::getPrevOnFace()
 
 WEdge::WEdge(WEdge &iBrother)
 {
-  _paOEdge = NULL;
-  _pbOEdge = NULL;
+  _paOEdge = nullptr;
+  _pbOEdge = nullptr;
   WOEdge *aoedge = iBrother.GetaOEdge();
   WOEdge *boedge = iBrother.GetbOEdge();
-  userdata = NULL;
+  userdata = nullptr;
 
   if (aoedge) {
     //_paOEdge = new WOEdge(*aoedge);
@@ -272,7 +272,7 @@ WFace::WFace(WFace &iBrother)
   _Id = iBrother.GetId();
   _FrsMaterialIndex = iBrother._FrsMaterialIndex;
   _Mark = iBrother._Mark;
-  userdata = NULL;
+  userdata = nullptr;
   iBrother.userdata = new facedata;
   ((facedata *)(iBrother.userdata))->_copy = this;
 }
@@ -332,7 +332,7 @@ WOEdge *WFace::MakeEdge(WVertex *v1, WVertex *v2)
   // checks whether this edge already exists or not
   // If it exists, it points outward v2
   bool exist = false;
-  WOEdge *pInvertEdge = NULL;  // The inverted edge if it exists
+  WOEdge *pInvertEdge = nullptr;  // The inverted edge if it exists
   vector<WEdge *> &v2Edges = v2->GetEdges();
   vector<WEdge *>::iterator it;
   for (it = v2Edges.begin(); it != v2Edges.end(); it++) {
@@ -394,7 +394,7 @@ bool WFace::getOppositeEdge(const WVertex *v, WOEdge *&e)
   }
 
   vector<WOEdge *>::iterator it;
-  e = NULL;
+  e = nullptr;
   for (it = _OEdgeList.begin(); it != _OEdgeList.end(); it++) {
     if ((*it)->GetaVertex() == v) {
       e = *it;
@@ -403,7 +403,7 @@ bool WFace::getOppositeEdge(const WVertex *v, WOEdge *&e)
   if (!e) {
     return false;
   }
-  e = NULL;
+  e = nullptr;
   for (it = _OEdgeList.begin(); it != _OEdgeList.end(); it++) {
     if (((*it)->GetaVertex() != v) && ((*it)->GetbVertex() != v)) {
       e = *it;
@@ -449,7 +449,7 @@ WOEdge *WFace::GetPrevOEdge(WOEdge *iOEdge)
     return prev;
   }
 
-  return NULL;
+  return nullptr;
 }
 
 WShape *WFace::getShape()
@@ -570,22 +570,22 @@ WShape::WShape(WShape &iBrother)
   vend = iBrother.getVertexList().end();
   for (v = iBrother.getVertexList().begin(); v != vend; ++v) {
     delete (vertexdata *)((*v)->userdata);
-    (*v)->userdata = NULL;
+    (*v)->userdata = nullptr;
   }
 
   // Edges and OEdges:
   eend = iBrother.getEdgeList().end();
   for (e = iBrother.getEdgeList().begin(); e != eend; ++e) {
     delete (edgedata *)((*e)->userdata);
-    (*e)->userdata = NULL;
+    (*e)->userdata = nullptr;
     // OEdge a:
     delete (oedgedata *)((*e)->GetaOEdge()->userdata);
-    (*e)->GetaOEdge()->userdata = NULL;
+    (*e)->GetaOEdge()->userdata = nullptr;
     // OEdge b:
     WOEdge *oedgeb = (*e)->GetbOEdge();
     if (oedgeb) {
       delete (oedgedata *)(oedgeb->userdata);
-      oedgeb->userdata = NULL;
+      oedgeb->userdata = nullptr;
     }
   }
 
@@ -593,7 +593,7 @@ WShape::WShape(WShape &iBrother)
   fend = iBrother.GetFaceList().end();
   for (f = iBrother.GetFaceList().begin(); f != fend; ++f) {
     delete (facedata *)((*f)->userdata);
-    (*f)->userdata = NULL;
+    (*f)->userdata = nullptr;
   }
 }
 
@@ -621,7 +621,7 @@ WFace *WShape::MakeFace(vector<WVertex *> &iVertexList,
   WFace *face = MakeFace(iVertexList, iFaceEdgeMarksList, iMaterial);
 
   if (!face) {
-    return NULL;
+    return nullptr;
   }
 
   // set the list of per-vertex normals
@@ -649,7 +649,7 @@ WFace *WShape::MakeFace(vector<WVertex *> &iVertexList,
     if ((iVertexList[0] == iVertexList[1]) || (iVertexList[0] == iVertexList[2]) ||
         (iVertexList[2] == iVertexList[1])) {
       cerr << "Warning: degenerated triangle detected, correcting" << endl;
-      return NULL;
+      return nullptr;
     }
   }
 
@@ -695,7 +695,7 @@ WFace *WShape::MakeFace(vector<WVertex *> &iVertexList,
     }
 
     if (!oedge) {
-      return NULL;
+      return nullptr;
     }
 
     WEdge *edge = oedge->GetOwner();
diff --git a/source/blender/freestyle/intern/winged_edge/WXEdge.cpp b/source/blender/freestyle/intern/winged_edge/WXEdge.cpp
index 57eca876913..bedf4192d64 100644
--- a/source/blender/freestyle/intern/winged_edge/WXEdge.cpp
+++ b/source/blender/freestyle/intern/winged_edge/WXEdge.cpp
@@ -74,13 +74,13 @@ WXSmoothEdge *WXFaceLayer::BuildSmoothEdge()
     return _pSmoothEdge;
   }
   float ta, tb;
-  WOEdge *woea(0), *woeb(0);
+  WOEdge *woea(nullptr), *woeb(nullptr);
   bool ok = false;
   vector<int> cuspEdgesIndices;
   int indexStart, indexEnd;
   unsigned nedges = _pWXFace->numberOfEdges();
   if (_nNullDotP == nedges) {
-    _pSmoothEdge = NULL;
+    _pSmoothEdge = nullptr;
     return _pSmoothEdge;
   }
   if ((_nPosDotP != 0) && (_nPosDotP != _DotP.size()) && (_nNullDotP == 0)) {
@@ -89,7 +89,7 @@ WXSmoothEdge *WXFaceLayer::BuildSmoothEdge()
     // We retrieve the 2 edges for which we have opposite signs for each extremity
     RetrieveCuspEdgesIndices(cuspEdgesIndices);
     if (cuspEdgesIndices.size() != 2) {  // we necessarly have 2 cusp edges
-      return 0;
+      return nullptr;
     }
 
     // let us determine which cusp edge corresponds to the starting:
@@ -120,7 +120,7 @@ WXSmoothEdge *WXFaceLayer::BuildSmoothEdge()
     // that means that we have exactly one of the 2 extremities of our silhouette edge is a vertex
     // of the mesh
     if (ELEM(_nPosDotP, 2, 0)) {
-      _pSmoothEdge = NULL;
+      _pSmoothEdge = nullptr;
       return _pSmoothEdge;
     }
     RetrieveCuspEdgesIndices(cuspEdgesIndices);
@@ -129,8 +129,8 @@ WXSmoothEdge *WXFaceLayer::BuildSmoothEdge()
       if (G.debug & G_DEBUG_FREESTYLE) {
         cout << "Warning in BuildSmoothEdge: weird WXFace configuration" << endl;
       }
-      _pSmoothEdge = NULL;
-      return NULL;
+      _pSmoothEdge = nullptr;
+      return nullptr;
     }
     unsigned index0 = Get0VertexIndex();  // retrieve the 0 vertex index
     unsigned nedges = _pWXFace->numberOfEdges();
@@ -275,7 +275,7 @@ WFace *WXShape::MakeFace(vector<WVertex *> &iVertexList,
 {
   WFace *face = WShape::MakeFace(iVertexList, iFaceEdgeMarksList, iMaterialIndex);
   if (!face) {
-    return NULL;
+    return nullptr;
   }
 
   Vec3f center;
diff --git a/source/blender/freestyle/intern/winged_edge/WingedEdgeBuilder.cpp b/source/blender/freestyle/intern/winged_edge/WingedEdgeBuilder.cpp
index 0fefb15f887..d9d6a6675c2 100644
--- a/source/blender/freestyle/intern/winged_edge/WingedEdgeBuilder.cpp
+++ b/source/blender/freestyle/intern/winged_edge/WingedEdgeBuilder.cpp
@@ -69,7 +69,7 @@ void WingedEdgeBuilder::visitNodeTransformAfter(NodeTransform &UNUSED(transform)
   delete _current_matrix;
 
   if (_matrices_stack.empty()) {
-    _current_matrix = NULL;
+    _current_matrix = nullptr;
     return;
   }
 
@@ -133,12 +133,12 @@ bool WingedEdgeBuilder::buildWShape(WShape &shape, IndexedFaceSet &ifs)
 
   const unsigned int *vindices = ifs.vindices();
   const unsigned int *nindices = ifs.nindices();
-  const unsigned int *tindices = NULL;
+  const unsigned int *tindices = nullptr;
   if (ifs.tsize()) {
     tindices = ifs.tindices();
   }
 
-  const unsigned int *mindices = NULL;
+  const unsigned int *mindices = nullptr;
   if (ifs.msize()) {
     mindices = ifs.mindices();
   }