src/RWStepGeom/RWStepGeom_RWQuasiUniformCurve.cxx

   1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
   2 //
   3 // This file is part of Open CASCADE Technology software library.
   4 //
   5 // This library is free software; you can redistribute it and/or modify it under
   6 // the terms of the GNU Lesser General Public License version 2.1 as published
   7 // by the Free Software Foundation, with special exception defined in the file
   8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
   9 // distribution for complete text of the license and disclaimer of any warranty.
  10 //
  11 // Alternatively, this file may be used under the terms of Open CASCADE
  12 // commercial license or contractual agreement.
  13
  14
  15 #include <Interface_Check.hxx>
  16 #include <Interface_EntityIterator.hxx>
  17 #include <RWStepGeom_RWQuasiUniformCurve.hxx>
  18 #include <StepData_Logical.hxx>
  19 #include <StepData_StepReaderData.hxx>
  20 #include <StepData_StepWriter.hxx>
  21 #include <StepGeom_BSplineCurveForm.hxx>
  22 #include <StepGeom_CartesianPoint.hxx>
  23 #include <StepGeom_HArray1OfCartesianPoint.hxx>
  24 #include <StepGeom_QuasiUniformCurve.hxx>
  25
  26 // --- Enum : BSplineCurveForm ---
  27 static TCollection_AsciiString bscfEllipticArc(".ELLIPTIC_ARC.");
  28 static TCollection_AsciiString bscfPolylineForm(".POLYLINE_FORM.");
  29 static TCollection_AsciiString bscfParabolicArc(".PARABOLIC_ARC.");
  30 static TCollection_AsciiString bscfCircularArc(".CIRCULAR_ARC.");
  31 static TCollection_AsciiString bscfUnspecified(".UNSPECIFIED.");
  32 static TCollection_AsciiString bscfHyperbolicArc(".HYPERBOLIC_ARC.");
  33
  34 RWStepGeom_RWQuasiUniformCurve::RWStepGeom_RWQuasiUniformCurve () {}
  35
  36 void RWStepGeom_RWQuasiUniformCurve::ReadStep
  37         (const Handle(StepData_StepReaderData)& data,
  38          const Standard_Integer num,
  39          Handle(Interface_Check)& ach,
  40          const Handle(StepGeom_QuasiUniformCurve)& ent) const
  41 {
  42
  43
  44         // --- Number of Parameter Control ---
  45
  46         if (!data->CheckNbParams(num,6,ach,"quasi_uniform_curve")) return;
  47
  48         // --- inherited field : name ---
  49
  50         Handle(TCollection_HAsciiString) aName;
  51         //szv#4:S4163:12Mar99 `Standard_Boolean stat1 =` not needed
  52         data->ReadString (num,1,"name",ach,aName);
  53
  54         // --- inherited field : degree ---
  55
  56         Standard_Integer aDegree;
  57         //szv#4:S4163:12Mar99 `Standard_Boolean stat2 =` not needed
  58         data->ReadInteger (num,2,"degree",ach,aDegree);
  59
  60         // --- inherited field : controlPointsList ---
  61
  62         Handle(StepGeom_HArray1OfCartesianPoint) aControlPointsList;
  63         Handle(StepGeom_CartesianPoint) anent3;
  64         Standard_Integer nsub3;
  65         if (data->ReadSubList (num,3,"control_points_list",ach,nsub3)) {
  66           Standard_Integer nb3 = data->NbParams(nsub3);
  67           aControlPointsList = new StepGeom_HArray1OfCartesianPoint (1, nb3);
  68           for (Standard_Integer i3 = 1; i3 <= nb3; i3 ++) {
  69             //szv#4:S4163:12Mar99 `Standard_Boolean stat3 =` not needed
  70             if (data->ReadEntity (nsub3, i3,"cartesian_point", ach,
  71                                   STANDARD_TYPE(StepGeom_CartesianPoint), anent3))
  72               aControlPointsList->SetValue(i3, anent3);
  73           }
  74         }
  75
  76         // --- inherited field : curveForm ---
  77
  78         StepGeom_BSplineCurveForm aCurveForm = StepGeom_bscfPolylineForm;
  79         if (data->ParamType(num,4) == Interface_ParamEnum) {
  80           Standard_CString text = data->ParamCValue(num,4);
  81           if      (bscfEllipticArc.IsEqual(text)) aCurveForm = StepGeom_bscfEllipticArc;
  82           else if (bscfPolylineForm.IsEqual(text)) aCurveForm = StepGeom_bscfPolylineForm;
  83           else if (bscfParabolicArc.IsEqual(text)) aCurveForm = StepGeom_bscfParabolicArc;
  84           else if (bscfCircularArc.IsEqual(text)) aCurveForm = StepGeom_bscfCircularArc;
  85           else if (bscfUnspecified.IsEqual(text)) aCurveForm = StepGeom_bscfUnspecified;
  86           else if (bscfHyperbolicArc.IsEqual(text)) aCurveForm = StepGeom_bscfHyperbolicArc;
  87           else ach->AddFail("Enumeration b_spline_curve_form has not an allowed value");
  88         }
  89         else ach->AddFail("Parameter #4 (curve_form) is not an enumeration");
  90
  91         // --- inherited field : closedCurve ---
  92
  93         StepData_Logical aClosedCurve;
  94         //szv#4:S4163:12Mar99 `Standard_Boolean stat5 =` not needed
  95         data->ReadLogical (num,5,"closed_curve",ach,aClosedCurve);
  96
  97         // --- inherited field : selfIntersect ---
  98
  99         StepData_Logical aSelfIntersect;
 100         //szv#4:S4163:12Mar99 `Standard_Boolean stat6 =` not needed
 101         data->ReadLogical (num,6,"self_intersect",ach,aSelfIntersect);
 102
 103         //--- Initialisation of the read entity ---
 104
 105
 106         ent->Init(aName, aDegree, aControlPointsList, aCurveForm, aClosedCurve, aSelfIntersect);
 107 }
 108
 109
 110 void RWStepGeom_RWQuasiUniformCurve::WriteStep
 111         (StepData_StepWriter& SW,
 112          const Handle(StepGeom_QuasiUniformCurve)& ent) const
 113 {
 114
 115         // --- inherited field name ---
 116
 117         SW.Send(ent->Name());
 118
 119         // --- inherited field degree ---
 120
 121         SW.Send(ent->Degree());
 122
 123         // --- inherited field controlPointsList ---
 124
 125         SW.OpenSub();
 126         for (Standard_Integer i3 = 1;  i3 <= ent->NbControlPointsList();  i3 ++) {
 127           SW.Send(ent->ControlPointsListValue(i3));
 128         }
 129         SW.CloseSub();
 130
 131         // --- inherited field curveForm ---
 132
 133         switch(ent->CurveForm()) {
 134           case StepGeom_bscfEllipticArc : SW.SendEnum (bscfEllipticArc); break;
 135           case StepGeom_bscfPolylineForm : SW.SendEnum (bscfPolylineForm); break;
 136           case StepGeom_bscfParabolicArc : SW.SendEnum (bscfParabolicArc); break;
 137           case StepGeom_bscfCircularArc : SW.SendEnum (bscfCircularArc); break;
 138           case StepGeom_bscfUnspecified : SW.SendEnum (bscfUnspecified); break;
 139           case StepGeom_bscfHyperbolicArc : SW.SendEnum (bscfHyperbolicArc); break;
 140         }
 141
 142         // --- inherited field closedCurve ---
 143
 144         SW.SendLogical(ent->ClosedCurve());
 145
 146         // --- inherited field selfIntersect ---
 147
 148         SW.SendLogical(ent->SelfIntersect());
 149 }
 150
 151
 152 void RWStepGeom_RWQuasiUniformCurve::Share(const Handle(StepGeom_QuasiUniformCurve)& ent, Interface_EntityIterator& iter) const
 153 {
 154
 155         Standard_Integer nbElem1 = ent->NbControlPointsList();
 156         for (Standard_Integer is1=1; is1<=nbElem1; is1 ++) {
 157           iter.GetOneItem(ent->ControlPointsListValue(is1));
 158         }
 159
 160 }
 161