Issue #24015: Align major ellipse axis

[modules/shaper.git] / src / GeomAPI / GeomAPI_Shape.cpp

diff --git a/src/GeomAPI/GeomAPI_Shape.cpp b/src/GeomAPI/GeomAPI_Shape.cpp
index 6d5649a75cf3b9bfc367e3e982634ee3ad82b8cd..cd044b69a2b600b08a58e9bd270e68278cfb2dd7 100644 (file)
--- a/src/GeomAPI/GeomAPI_Shape.cpp
+++ b/src/GeomAPI/GeomAPI_Shape.cpp
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
+// Copyright (C) 2014-2020  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -46,6 +46,7 @@
 #include <Geom_Plane.hxx>
 #include <Geom_RectangularTrimmedSurface.hxx>
 #include <Geom_TrimmedCurve.hxx>
+#include <GeomLib_IsPlanarSurface.hxx>
 #include <TopExp_Explorer.hxx>
 #include <TopoDS.hxx>
 #include <TopoDS_Iterator.hxx>
@@ -227,9 +228,9 @@ bool GeomAPI_Shape::isConnectedTopology() const
         // (if shapes are connected, vertices are connected for sure)
         TopExp_Explorer anExp2(aNewIter.Value(), TopAbs_VERTEX);
         for(; !aConnected && anExp2.More(); anExp2.Next()) {
-          NCollection_List<TopoDS_Shape>::Iterator aNotIter(aNotVertices);
-          for(; aNotIter.More(); aNotIter.Next()) {
-            if (aNotIter.Value().IsSame(anExp2.Current())) {
+          NCollection_List<TopoDS_Shape>::Iterator aNotVIter(aNotVertices);
+          for(; aNotVIter.More(); aNotVIter.Next()) {
+            if (aNotVIter.Value().IsSame(anExp2.Current())) {
               aConnected = true;
               break;
             }
@@ -287,15 +288,13 @@ bool GeomAPI_Shape::isPlanar() const
   if(aShapeType == TopAbs_VERTEX) {
     return true;
   } else if(aShapeType == TopAbs_FACE) {
-    const Handle(Geom_Surface)& aSurface = BRep_Tool::Surface(TopoDS::Face(aShape));
-    Handle(Standard_Type) aType = aSurface->DynamicType();
-
-    if(aType == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
+    Handle(Geom_Surface) aSurface = BRep_Tool::Surface(TopoDS::Face(aShape));
+    if(aSurface->DynamicType() == STANDARD_TYPE(Geom_RectangularTrimmedSurface)) {
       Handle(Geom_RectangularTrimmedSurface) aTrimSurface =
-        Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
-      aType = aTrimSurface->BasisSurface()->DynamicType();
+          Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface);
+      aSurface = aTrimSurface->BasisSurface();
     }
-    return (aType == STANDARD_TYPE(Geom_Plane)) == Standard_True;
+    return GeomLib_IsPlanarSurface(aSurface).IsPlanar();
   } else {
     BRepBuilderAPI_FindPlane aFindPlane(aShape);
     bool isFound = aFindPlane.Found() == Standard_True;
@@ -469,7 +468,8 @@ GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeType() const
 
 GeomAPI_Shape::ShapeType GeomAPI_Shape::shapeTypeByStr(std::string theType)
 {
-  std::transform(theType.begin(), theType.end(), theType.begin(), ::toupper);
+  std::transform(theType.begin(), theType.end(), theType.begin(),
+                 [](char c) { return static_cast<char>(::toupper(c)); });
   if (theType == "COMPOUND" || theType == "COMPOUNDS")
     return COMPOUND;
   if (theType == "COMPSOLID" || theType == "COMPSOLIDS")
@@ -551,8 +551,6 @@ GeomAPI_Shape::Orientation GeomAPI_Shape::orientation() const
 
 void GeomAPI_Shape::setOrientation(const GeomAPI_Shape::Orientation theOrientation)
 {
-  TopAbs_Orientation anOrientation = MY_SHAPE->Orientation();
-
   switch(theOrientation) {
     case FORWARD:  MY_SHAPE->Orientation(TopAbs_FORWARD);  break;
     case REVERSED: MY_SHAPE->Orientation(TopAbs_REVERSED); break;
@@ -595,7 +593,19 @@ bool GeomAPI_Shape::computeSize(double& theXmin, double& theYmin, double& theZmi
   if (aShape.IsNull())
     return false;
   Bnd_Box aBndBox;
-  BRepBndLib::Add(aShape, aBndBox, false);
+  // Workaround: compute optimal bounding box for the compounds of edges/vertices, because sometimes
+  // the bounding box of sketch is calculated if the transformation is applied twice (issue #20167).
+  bool isShape1D = false;
+  if (aShape.ShapeType() == TopAbs_COMPOUND) {
+    isShape1D = true;
+    for (TopoDS_Iterator anIt(aShape); anIt.More() && isShape1D; anIt.Next())
+      if (anIt.Value().ShapeType() < TopAbs_WIRE)
+        isShape1D = false;
+  }
+  if (isShape1D)
+    BRepBndLib::AddOptimal(aShape, aBndBox, false, true);
+  else
+    BRepBndLib::Add(aShape, aBndBox, false);
   if (aBndBox.IsVoid())
     return false;
   aBndBox.Get(theXmin, theYmin, theZmin, theXmax, theYmax, theZmax);
@@ -645,6 +655,11 @@ std::string GeomAPI_Shape::getShapeStream(const bool theWithTriangulation) const
   if (!theWithTriangulation) { // make a copy of shape without triangulation
     BRepBuilderAPI_Copy aCopy(aShape, Standard_False, Standard_False);
     const TopoDS_Shape& aCopyShape = aCopy.Shape();
+    // make all faces unchecked to make the stream of shapes the same
+    TopExp_Explorer aFaceExp(aCopyShape, TopAbs_FACE);
+    for(; aFaceExp.More(); aFaceExp.Next()) {
+      aFaceExp.Current().TShape()->Checked(Standard_False);
+    }
     BRepTools::Write(aCopyShape, aStream);
   } else {
     BRepTools::Write(aShape, aStream);