From c6a8e3d7a9743f10d9a22025179a2b4e1e4d3e0a Mon Sep 17 00:00:00 2001
From: Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>
Date: Wed, 28 Dec 2016 01:25:33 +0100
Subject: [PATCH] Sketcher: Arc Of Parabola - Symmetry tool

---
 src/Mod/Sketcher/App/SketchObject.cpp | 62 +++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/src/Mod/Sketcher/App/SketchObject.cpp b/src/Mod/Sketcher/App/SketchObject.cpp
index 9e80fdb22661..fca40f45c39d 100644
--- a/src/Mod/Sketcher/App/SketchObject.cpp
+++ b/src/Mod/Sketcher/App/SketchObject.cpp
@@ -2107,6 +2107,31 @@ int SketchObject::addSymmetric(const std::vector<int> &geoIdList, int refGeoId,
                 geosymaoe->setRange(theta1,theta2,true);
                 isStartEndInverted.insert(std::make_pair(*it, true)); 
             }
+            else if(geosym->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()){
+                Part::GeomArcOfParabola *geosymaoe = static_cast<Part::GeomArcOfParabola *>(geosym);
+                Base::Vector3d cp = geosymaoe->getCenter();
+                Base::Vector3d sp = geosymaoe->getStartPoint(true);
+                Base::Vector3d ep = geosymaoe->getEndPoint(true);		
+
+                //double df= geosymaoe->getFocal();
+                Base::Vector3d f1 = geosymaoe->getFocus();
+
+                Base::Vector3d sf1 = f1+2.0*(f1.Perpendicular(refGeoLine->getStartPoint(),vectline)-f1);
+                Base::Vector3d scp = cp+2.0*(cp.Perpendicular(refGeoLine->getStartPoint(),vectline)-cp);
+                Base::Vector3d ssp = sp+2.0*(sp.Perpendicular(refGeoLine->getStartPoint(),vectline)-sp);
+                Base::Vector3d sep = ep+2.0*(ep.Perpendicular(refGeoLine->getStartPoint(),vectline)-ep);
+
+		geosymaoe->setXAxisDir(sf1-scp);
+		
+                geosymaoe->setCenter(scp);
+		
+                double theta1,theta2;
+                geosymaoe->closestParameter(sep,theta1);
+                geosymaoe->closestParameter(ssp,theta2);
+
+                geosymaoe->setRange(theta1,theta2,true);
+                isStartEndInverted.insert(std::make_pair(*it, true)); 
+            }
             else if(geosym->getTypeId() == Part::GeomPoint::getClassTypeId()){
                 Part::GeomPoint *geosympoint = static_cast<Part::GeomPoint *>(geosym);
                 Base::Vector3d cp = geosympoint->getPoint();
@@ -2153,6 +2178,10 @@ int SketchObject::addSymmetric(const std::vector<int> &geoIdList, int refGeoId,
                         const Part::GeomArcOfHyperbola *geosymaoe = static_cast<const Part::GeomArcOfHyperbola *>(georef);
                         refpoint = geosymaoe->getStartPoint(true);
                     }
+                    else if(georef->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()){
+                        const Part::GeomArcOfParabola *geosymaoe = static_cast<const Part::GeomArcOfParabola *>(georef);
+                        refpoint = geosymaoe->getStartPoint(true);
+                    }
                     break;
                 case Sketcher::end:
                     if(georef->getTypeId() == Part::GeomLineSegment::getClassTypeId()){
@@ -2171,6 +2200,10 @@ int SketchObject::addSymmetric(const std::vector<int> &geoIdList, int refGeoId,
                         const Part::GeomArcOfHyperbola *geosymaoe = static_cast<const Part::GeomArcOfHyperbola *>(georef);
                         refpoint = geosymaoe->getEndPoint(true);
                     }
+                    else if(georef->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()){
+                        const Part::GeomArcOfParabola *geosymaoe = static_cast<const Part::GeomArcOfParabola *>(georef);
+                        refpoint = geosymaoe->getEndPoint(true);
+                    }
                     break;
                 case Sketcher::mid:
                     if(georef->getTypeId() == Part::GeomCircle::getClassTypeId()){
@@ -2193,6 +2226,10 @@ int SketchObject::addSymmetric(const std::vector<int> &geoIdList, int refGeoId,
                         const Part::GeomArcOfHyperbola *geosymaoe = static_cast<const Part::GeomArcOfHyperbola *>(georef);
                         refpoint = geosymaoe->getCenter();
                     }
+                    else if(georef->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()){
+                        const Part::GeomArcOfParabola *geosymaoe = static_cast<const Part::GeomArcOfParabola *>(georef);
+                        refpoint = geosymaoe->getCenter();
+                    }
                     break;
                 default:
                     Base::Console().Error("Wrong PointPosId.\n");
@@ -2313,6 +2350,31 @@ int SketchObject::addSymmetric(const std::vector<int> &geoIdList, int refGeoId,
                 geosymaoe->setRange(theta1,theta2,true);
                 isStartEndInverted.insert(std::make_pair(*it, false));
             }
+            else if(geosym->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()){
+                Part::GeomArcOfParabola *geosymaoe = static_cast<Part::GeomArcOfParabola *>(geosym);
+                Base::Vector3d cp = geosymaoe->getCenter();
+                Base::Vector3d sp = geosymaoe->getStartPoint(true);
+                Base::Vector3d ep = geosymaoe->getEndPoint(true);		
+
+                /*double df= geosymaoe->getFocal();*/
+		Base::Vector3d f1 = geosymaoe->getFocus();
+
+                Base::Vector3d sf1 = f1 + 2.0*(refpoint-f1);
+                Base::Vector3d scp = cp + 2.0*(refpoint-cp);
+                Base::Vector3d ssp = sp + 2.0*(refpoint-sp);
+                Base::Vector3d sep = ep + 2.0*(refpoint-ep);
+
+		geosymaoe->setXAxisDir(sf1-scp);
+		
+                geosymaoe->setCenter(scp);
+
+                double theta1,theta2;
+                geosymaoe->closestParameter(ssp,theta1);
+                geosymaoe->closestParameter(sep,theta2);
+
+                geosymaoe->setRange(theta1,theta2,true);
+                isStartEndInverted.insert(std::make_pair(*it, false));
+            }
             else if(geosym->getTypeId() == Part::GeomPoint::getClassTypeId()){
                 Part::GeomPoint *geosympoint = static_cast<Part::GeomPoint *>(geosym);
                 Base::Vector3d cp = geosympoint->getPoint();