X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FHYDROData%2FHYDROData_BSplineOperation.cxx;h=97fd9a57ffc5e6cb860b4b2435d2a4ef9cf5cee1;hb=81c9f5cdf82909d0aebd2c491c50fa7516cc80b7;hp=df0b2e44fa4dc521ec71d83776c1d3676e092603;hpb=84f8b4a57d3cdad820bc1333a5066699cd1c8ae3;p=modules%2Fhydro.git diff --git a/src/HYDROData/HYDROData_BSplineOperation.cxx b/src/HYDROData/HYDROData_BSplineOperation.cxx index df0b2e44..97fd9a57 100644 --- a/src/HYDROData/HYDROData_BSplineOperation.cxx +++ b/src/HYDROData/HYDROData_BSplineOperation.cxx @@ -1,61 +1,75 @@ -#include -#include -#include -#include -#include +#include + +#include + +#include +#include +#include + +#include HYDROData_BSplineOperation::HYDROData_BSplineOperation( - const QList& thePoints, - const double theZValue, - const bool theIsClosed) + const NCollection_Sequence& thePoints, + const bool theIsClosed, + const double theTolerance ) { + // skip equal points + int aNbPoints = thePoints.Size(); + NCollection_Sequence aPoints; + if ( aNbPoints > 0 ) { + gp_XYZ aPrevPoint = thePoints.Value( 1 ); + aPoints.Append( aPrevPoint ); + for( int i = 2 ; i <= aNbPoints; ++i ) + { + gp_XYZ aPoint( thePoints.Value( i ) ); + if ( !aPoint.IsEqual( aPrevPoint, theTolerance ) ) + aPoints.Append( aPoint ); + aPrevPoint = aPoint; + } + } + // fill array for algorithm by the received coordinates - int aLen = thePoints.size() / 2; - Handle(TColgp_HArray1OfPnt) aHCurvePoints = new TColgp_HArray1OfPnt (1, aLen); - QList::const_iterator aListIter = thePoints.begin(); - for (int ind = 1; ind <= aLen; ind++) { - gp_Pnt aPnt(gp::Origin()); - aPnt.SetX(*aListIter); - aListIter++; - aPnt.SetY(*aListIter); - aListIter++; - aPnt.SetZ(theZValue); - aHCurvePoints->SetValue(ind, aPnt); + aNbPoints = aPoints.Size(); + Handle(TColgp_HArray1OfPnt) aHCurvePoints = new TColgp_HArray1OfPnt( 1, aNbPoints ); + for ( int i = 1; i <= aNbPoints; i++ ) + { + gp_Pnt aPnt( aPoints.Value( i ) ); + aHCurvePoints->SetValue( i, aPnt ); } + // compute BSpline - GeomAPI_Interpolate aGBC(aHCurvePoints, theIsClosed, gp::Resolution()); + GeomAPI_Interpolate aGBC( aHCurvePoints, theIsClosed, gp::Resolution() ); aGBC.Perform(); - if (aGBC.IsDone()) { + if ( aGBC.IsDone() ) myCurve = aGBC.Curve(); - } } -QPainterPath HYDROData_BSplineOperation::ComputePath() const +void HYDROData_BSplineOperation::ComputePath( QPainterPath& thePath ) const { - QPainterPath aResult; - if (myCurve.IsNull()) // returns an empty Path if original curve is invalid - return aResult; + if ( myCurve.IsNull() ) // returns an empty Path if original curve is invalid + return; + GeomConvert_BSplineCurveToBezierCurve aConverter(myCurve); int a, aNumArcs = aConverter.NbArcs(); - for(a = 1; a <= aNumArcs; a++) { + for(a = 1; a <= aNumArcs; a++) + { Handle(Geom_BezierCurve) anArc = aConverter.Arc(a); if (a == 1) { // set a start point gp_Pnt aStart = anArc->StartPoint(); - aResult.moveTo(aStart.X(), aStart.Y()); + thePath.moveTo(aStart.X(), aStart.Y()); } gp_Pnt anEnd = anArc->EndPoint(); if (anArc->NbPoles() == 3) { // quadric segment in the path (pole 1 is start, pole 3 is end) gp_Pnt aPole = anArc->Pole(2); - aResult.quadTo(aPole.X(), aPole.Y(), anEnd.X(), anEnd.Y()); + thePath.quadTo(aPole.X(), aPole.Y(), anEnd.X(), anEnd.Y()); } else if (anArc->NbPoles() == 4) { // cubic segment (usually this is used) gp_Pnt aPole1 = anArc->Pole(2); gp_Pnt aPole2 = anArc->Pole(3); - aResult.cubicTo( + thePath.cubicTo( aPole1.X(), aPole1.Y(), aPole2.X(), aPole2.Y(), anEnd.X(), anEnd.Y()); } else { // error, another number of poles is not supported - return QPainterPath(); + continue; } } - return aResult; }