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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
286 lines
7.9 KiB
C++
286 lines
7.9 KiB
C++
// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <VrmlConverter_Curve.ixx>
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#include <gp_Pnt.hxx>
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#include <gp_Circ.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Vec.hxx>
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#include <Precision.hxx>
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#include <TColgp_HArray1OfVec.hxx>
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#include <TColStd_HArray1OfInteger.hxx>
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#include <Vrml_Material.hxx>
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#include <VrmlConverter_LineAspect.hxx>
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#include <Vrml_Separator.hxx>
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#include <Vrml_Coordinate3.hxx>
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#include <Vrml_IndexedLineSet.hxx>
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//==================================================================
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// function: FindLimits
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// purpose:
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//==================================================================
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static void FindLimits(const Adaptor3d_Curve& aCurve,
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const Standard_Real aLimit,
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Standard_Real& First,
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Standard_Real& Last)
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{
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First = aCurve.FirstParameter();
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Last = aCurve.LastParameter();
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Standard_Boolean firstInf = Precision::IsNegativeInfinite(First);
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Standard_Boolean lastInf = Precision::IsPositiveInfinite(Last);
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if (firstInf || lastInf) {
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gp_Pnt P1,P2;
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Standard_Real delta = 1;
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if (firstInf && lastInf) {
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do {
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delta *= 2;
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First = - delta;
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Last = delta;
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aCurve.D0(First,P1);
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aCurve.D0(Last,P2);
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} while (P1.Distance(P2) < aLimit);
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}
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else if (firstInf) {
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aCurve.D0(Last,P2);
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do {
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delta *= 2;
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First = Last - delta;
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aCurve.D0(First,P1);
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} while (P1.Distance(P2) < aLimit);
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}
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else if (lastInf) {
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aCurve.D0(First,P1);
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do {
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delta *= 2;
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Last = First + delta;
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aCurve.D0(Last,P2);
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} while (P1.Distance(P2) < aLimit);
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}
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}
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}
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//==================================================================
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// function: DrawCurve
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// purpose:
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//==================================================================
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static void DrawCurve (const Adaptor3d_Curve& aCurve,
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const Standard_Integer NbP,
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const Standard_Real U1,
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const Standard_Real U2,
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const Handle(VrmlConverter_Drawer)& aDrawer, // for passsing of LineAspect
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Standard_OStream& anOStream)
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{
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Standard_Integer nbintervals = 1, i;
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Handle(TColgp_HArray1OfVec) HAV1;
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Handle(TColStd_HArray1OfInteger) HAI1;
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if (aCurve.GetType() == GeomAbs_BSplineCurve) {
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nbintervals = aCurve.NbKnots() - 1;
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// cout << "NbKnots "<<aCurve.NbKnots() << endl;
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nbintervals = Max(1, nbintervals/3);
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}
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switch (aCurve.GetType()) {
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case GeomAbs_Line:
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{
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gp_Vec V;
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HAV1 = new TColgp_HArray1OfVec(1, 2);
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// array of coordinates of line
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gp_Pnt p = aCurve.Value(U1);
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V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
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HAV1->SetValue(1,V);
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p = aCurve.Value(U2);
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V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
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HAV1->SetValue(2,V);
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HAI1 = new TColStd_HArray1OfInteger(1,3);
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// array of indexes of line
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HAI1->SetValue(1,0);
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HAI1->SetValue(2,1);
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HAI1->SetValue(3,-1);
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}
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break;
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default:
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{
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Standard_Real U;
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Standard_Integer N = Max(2, NbP*nbintervals);
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// cout << "nbintervals " << nbintervals << endl;
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// cout << "N " << N << endl;
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gp_Vec V;
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HAV1 = new TColgp_HArray1OfVec(1, N);
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// HAI1 = new TColStd_HArray1OfInteger(1,(N/2*3+N%2));
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HAI1 = new TColStd_HArray1OfInteger(1,N+1);
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Standard_Real DU = (U2-U1) / (N-1);
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gp_Pnt p;
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for (i = 1; i <= N;i++) {
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U = U1 + (i-1)*DU;
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p = aCurve.Value(U);
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V.SetX(p.X()); V.SetY(p.Y()); V.SetZ(p.Z());
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HAV1->SetValue(i,V);
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}
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// Standard_Integer j=1,k;
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// for (i=HAI1->Lower(); i <= HAI1->Upper(); i++)
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// {
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// k = i % 3;
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// if(k == 0)
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// {
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// HAI1->SetValue(i,-1);
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// j++;
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// }
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// else
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// {
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// HAI1->SetValue(i,i-j);
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// }
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// }
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for (i=HAI1->Lower(); i < HAI1->Upper(); i++)
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{
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HAI1->SetValue(i,i-1);
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}
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HAI1->SetValue(HAI1->Upper(),-1);
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}
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}
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// cout << " Array HAI1 - coordIndex " << endl;
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// for ( i=HAI1->Lower(); i <= HAI1->Upper(); i++ )
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// {
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// cout << HAI1->Value(i) << endl;
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// }
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// creation of Vrml objects
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Handle(VrmlConverter_LineAspect) LA = new VrmlConverter_LineAspect;
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LA = aDrawer->LineAspect();
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// cout << "LA->HasMaterial() = " << LA->HasMaterial() << endl;
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// Separator 1 {
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Vrml_Separator SE1;
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SE1.Print(anOStream);
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// Material
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if (LA->HasMaterial()){
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Handle(Vrml_Material) M;
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M = LA->Material();
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M->Print(anOStream);
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}
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// Coordinate3
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Handle(Vrml_Coordinate3) C3 = new Vrml_Coordinate3(HAV1);
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C3->Print(anOStream);
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// IndexedLineSet
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Vrml_IndexedLineSet ILS;
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ILS.SetCoordIndex(HAI1);
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ILS.Print(anOStream);
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// Separator 1 }
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SE1.Print(anOStream);
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}
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//==================================================================
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// function: Add 1
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// purpose:
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//==================================================================
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void VrmlConverter_Curve::Add(const Adaptor3d_Curve& aCurve,
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const Handle(VrmlConverter_Drawer)& aDrawer,
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Standard_OStream& anOStream)
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{
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Standard_Integer NbPoints = aDrawer->Discretisation();
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Standard_Real V1, V2;
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Standard_Real aLimit = aDrawer->MaximalParameterValue();
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FindLimits(aCurve, aLimit, V1, V2);
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// cout << "V1 = "<< V1 << endl;
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// cout << "V2 = "<< V2 << endl;
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// cout << "NbPoints = "<< NbPoints << endl;
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// cout << "aLimit = "<< aLimit << endl;
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DrawCurve(aCurve,
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NbPoints,
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V1 , V2, aDrawer, anOStream);
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}
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//==================================================================
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// function: Add 2
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// purpose:
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//==================================================================
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void VrmlConverter_Curve::Add(const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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const Handle(VrmlConverter_Drawer)& aDrawer,
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Standard_OStream& anOStream)
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{
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Standard_Integer NbPoints = aDrawer->Discretisation();
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Standard_Real V1 = U1;
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Standard_Real V2 = U2;
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if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
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if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
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// cout << "V1 = "<< V1 << endl;
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// cout << "V2 = "<< V2 << endl;
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// cout << "NbPoints = "<< NbPoints << endl;
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DrawCurve(aCurve,
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NbPoints,
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V1 , V2, aDrawer, anOStream);
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}
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//==================================================================
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// function: Add 3
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// purpose:
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//==================================================================
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void VrmlConverter_Curve::Add(const Adaptor3d_Curve& aCurve,
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const Standard_Real U1,
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const Standard_Real U2,
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Standard_OStream& anOStream,
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const Standard_Integer aNbPoints)
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{
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Handle(VrmlConverter_Drawer) aDrawer = new VrmlConverter_Drawer;
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Handle(VrmlConverter_LineAspect) la = new VrmlConverter_LineAspect;
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aDrawer->SetLineAspect(la);
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Standard_Real V1 = U1;
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Standard_Real V2 = U2;
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if (Precision::IsNegativeInfinite(V1)) V1 = -aDrawer->MaximalParameterValue();
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if (Precision::IsPositiveInfinite(V2)) V2 = aDrawer->MaximalParameterValue();
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// cout << "V1 = "<< V1 << endl;
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// cout << "V2 = "<< V2 << endl;
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// cout << "NbPoints = "<< aNbPoints << endl;
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DrawCurve(aCurve,
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aNbPoints,
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V1 , V2, aDrawer, anOStream);
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}
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