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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.
119 lines
3.2 KiB
C++
119 lines
3.2 KiB
C++
// Copyright (c) 1995-1999 Matra Datavision
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// 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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//Jean-Claude Vauthier 27 November 1991
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//Passage sur C1 Aout 1992
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#include <GeomConvert_BSplineCurveKnotSplitting.ixx>
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#include <Standard_RangeError.hxx>
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#include <BSplCLib.hxx>
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typedef Handle(Geom_BSplineCurve) Handle(BSplineCurve);
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typedef TColStd_Array1OfInteger Array1OfInteger;
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typedef TColStd_HArray1OfInteger HArray1OfInteger;
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GeomConvert_BSplineCurveKnotSplitting::GeomConvert_BSplineCurveKnotSplitting (
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const Handle(BSplineCurve)& BasisCurve,
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const Standard_Integer ContinuityRange
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) {
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if (ContinuityRange < 0) Standard_RangeError::Raise();
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Standard_Integer FirstIndex = BasisCurve->FirstUKnotIndex();
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Standard_Integer LastIndex = BasisCurve->LastUKnotIndex();
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Standard_Integer Degree = BasisCurve->Degree();
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if (ContinuityRange == 0) {
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splitIndexes = new HArray1OfInteger (1, 2);
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splitIndexes->SetValue (1, FirstIndex);
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splitIndexes->SetValue (2, LastIndex);
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}
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else {
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Standard_Integer NbKnots = BasisCurve->NbKnots();
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Array1OfInteger Mults (1, NbKnots);
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BasisCurve->Multiplicities (Mults);
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Standard_Integer Mmax = BSplCLib::MaxKnotMult (Mults, FirstIndex, LastIndex);
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if (Degree - Mmax >= ContinuityRange) {
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splitIndexes = new HArray1OfInteger (1, 2);
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splitIndexes->SetValue (1, FirstIndex);
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splitIndexes->SetValue (2, LastIndex);
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}
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else {
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Array1OfInteger Split (1, LastIndex - FirstIndex + 1);
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Standard_Integer NbSplit = 1;
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Standard_Integer Index = FirstIndex;
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Split (NbSplit) = Index;
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Index++;
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NbSplit++;
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while (Index < LastIndex) {
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if (Degree - Mults (Index) < ContinuityRange) {
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Split (NbSplit) = Index;
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NbSplit++;
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}
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Index++;
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}
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Split (NbSplit) = Index;
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splitIndexes = new HArray1OfInteger (1, NbSplit);
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for (Standard_Integer i = 1; i <= NbSplit; i++) {
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splitIndexes->SetValue (i, Split (i));
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}
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}
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}
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}
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Standard_Integer GeomConvert_BSplineCurveKnotSplitting::NbSplits () const {
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return splitIndexes->Length();
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}
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Standard_Integer GeomConvert_BSplineCurveKnotSplitting::SplitValue (
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const Standard_Integer Index
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) const {
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Standard_RangeError_Raise_if (
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Index < 1 || Index > splitIndexes->Length(), " ");
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return splitIndexes->Value (Index);
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}
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void GeomConvert_BSplineCurveKnotSplitting::Splitting (
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Array1OfInteger& SplitValues
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) const {
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for (Standard_Integer i = 1; i <= splitIndexes->Length(); i++){
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SplitValues (i) = splitIndexes->Value (i);
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}
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}
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