0024778: Convertation of the generic classes to the non-generic. Part 9

[occt.git] / src / Geom2dGcc / Geom2dGcc_Lin2dTanOblIter.cxx

diff --git a/src/Geom2dGcc/Geom2dGcc_Lin2dTanOblIter.cxx b/src/Geom2dGcc/Geom2dGcc_Lin2dTanOblIter.cxx
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+++ b/src/Geom2dGcc/Geom2dGcc_Lin2dTanOblIter.cxx
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+// Created on: 1991-12-20
+// Created by: Remi GILET
+// Copyright (c) 1991-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+//========================================================================
+// CREATION D UNE LIGNE TANGENTE A UNE COURBE ET PARALLELE A UNE DROITE. +
+//========================================================================
+
+#include <Geom2dGcc_Lin2dTanOblIter.ixx>
+
+#include <IntAna2d_AnaIntersection.hxx>
+#include <IntAna2d_IntPoint.hxx>
+#include <Geom2dGcc_IsParallel.hxx>
+#include <StdFail_NotDone.hxx>
+#include <GccEnt_BadQualifier.hxx>
+#include <math_FunctionRoot.hxx>
+#include <gp_XY.hxx>
+#include <gp_Dir2d.hxx>
+#include <gp_Vec2d.hxx>
+#include <gp_Circ2d.hxx>
+
+#include <Geom2dGcc_CurveTool.hxx>
+#include <Geom2dGcc_FunctionTanObl.hxx>
+
+Geom2dGcc_Lin2dTanOblIter::
+Geom2dGcc_Lin2dTanOblIter (const Geom2dGcc_QCurve&  Qualified1 ,
+                           const gp_Lin2d&          TheLin     ,
+                           const Standard_Real      Param1     ,
+                           const Standard_Real      TolAng     ,
+                           const Standard_Real      Angle      )
+{
+
+  par1sol = 0.;
+  pararg1 = 0.;
+  WellDone = Standard_False;
+  if (!(Qualified1.IsEnclosed() || Qualified1.IsEnclosing() || 
+    Qualified1.IsOutside() || Qualified1.IsUnqualified())) {
+      GccEnt_BadQualifier::Raise();
+      return;
+  }
+  Paral2 = Standard_False;
+  Geom2dAdaptor_Curve Cu1 = Qualified1.Qualified();
+  Standard_Real U1 = Geom2dGcc_CurveTool::FirstParameter(Cu1);
+  Standard_Real U2 = Geom2dGcc_CurveTool::LastParameter(Cu1);
+  gp_Dir2d Dir(TheLin.Direction());
+  Standard_Real A = Dir.X();
+  Standard_Real B = Dir.Y();
+  gp_Dir2d TheDirection(Dir);
+  if (Abs(Angle) > Abs(TolAng)) {
+    if (Abs(Abs(Angle)-M_PI) <= Abs(TolAng)) {
+      Paral2 = Standard_True;
+      TheDirection = Dir.Reversed();
+    }
+    else if (Abs(Angle-M_PI/2) <= Abs(TolAng)) { TheDirection=gp_Dir2d(-B,A); }
+    else if (Abs(Angle+M_PI/2) <= Abs(TolAng)) { TheDirection=gp_Dir2d(B,-A); }
+    else {
+      TheDirection=gp_Dir2d(A*Cos(Angle)-B*Sin(Angle),
+        A*Sin(Angle)+B*Cos(Angle));
+    }
+  }
+  else { Paral2 = Standard_True; }
+  Geom2dGcc_FunctionTanObl func(Cu1,TheDirection);
+  math_FunctionRoot sol(func,Param1,
+    Geom2dGcc_CurveTool::EpsX(Cu1,Abs(TolAng)),U1,U2,100);
+  if (sol.IsDone()) {
+    Standard_Real Usol = sol.Root();
+    gp_Pnt2d Origine;
+    gp_Vec2d Vect1,Vect2;
+    Geom2dGcc_CurveTool::D2(Cu1,Usol,Origine,Vect1,Vect2);
+    Standard_Real sign1 = Vect1.XY().Dot(TheDirection.XY());
+    Standard_Real sign2 = Vect2.XY().Crossed(TheDirection.XY());
+    if (Qualified1.IsUnqualified() || 
+      (Qualified1.IsEnclosing() && sign2<=0.) ||
+      (Qualified1.IsOutside() && sign1 <= 0. && sign2 >= 0.) ||
+      (Qualified1.IsEnclosed() && sign1 >= 0. && sign2 >= 0.)) {
+        WellDone = Standard_True;
+        linsol = gp_Lin2d(Origine,TheDirection);
+        pnttg1sol = Origine;
+        qualifier1 = Qualified1.Qualifier();
+        pararg1 = Usol;
+        par1sol = 0.;
+        if (!Paral2) {
+          IntAna2d_AnaIntersection Intp(linsol,TheLin);
+          if (Intp.IsDone() && !Intp.IsEmpty()) {
+            if (Intp.NbPoints()==1) {
+              pntint2sol = Intp.Point(1).Value();
+              par2sol = gp_Vec2d(linsol.Direction()).
+                Dot(gp_Vec2d(linsol.Location(),pntint2sol));
+              pararg2 = gp_Vec2d(TheLin.Direction()).
+                Dot(gp_Vec2d(TheLin.Location(),pntint2sol));
+            }
+          }
+        }
+    }
+  }
+}
+
+Standard_Boolean Geom2dGcc_Lin2dTanOblIter::
+IsDone () const { return WellDone; }
+
+gp_Lin2d Geom2dGcc_Lin2dTanOblIter::ThisSolution () const 
+{      
+  if (!WellDone) StdFail_NotDone::Raise();
+
+  return linsol;
+}
+
+void Geom2dGcc_Lin2dTanOblIter:: 
+WhichQualifier (GccEnt_Position& Qualif1) const
+{
+  if (!WellDone) { StdFail_NotDone::Raise(); }
+  else {
+    Qualif1 = qualifier1;
+  }
+}
+
+Standard_Boolean Geom2dGcc_Lin2dTanOblIter::
+IsParallel2 () const { return Paral2; }
+
+void Geom2dGcc_Lin2dTanOblIter::
+Tangency1 (Standard_Real& ParSol    ,
+           Standard_Real& ParArg    ,
+           gp_Pnt2d& PntSol) const {
+             if (!WellDone) { StdFail_NotDone::Raise(); }
+             else {
+               ParSol = par1sol;
+               ParArg = pararg1;
+               PntSol = gp_Pnt2d(pnttg1sol);
+             }
+}
+
+void Geom2dGcc_Lin2dTanOblIter::
+Intersection2 (Standard_Real&     ParSol ,
+               Standard_Real&     ParArg ,
+               gp_Pnt2d& PntSol ) const {
+                 if (!WellDone) { StdFail_NotDone::Raise(); }
+                 else if (Paral2) { Geom2dGcc_IsParallel::Raise(); }
+                 else {
+                   PntSol = pntint2sol;
+                   ParSol = par2sol;
+                   ParArg = pararg2;
+                 }
+}
+