mirror of
https://git.dev.opencascade.org/repos/occt.git
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0029939: Modeling Algorithms - add NULL check to BRepGProp_Face::Load()
BRepGProp_Face::Load() has been protected against crash in case of edges without p-curves.
This commit is contained in:
kgv
bugmaster
parent
e119b6c3c7
commit
8ff2e494f5
@ -175,11 +175,14 @@ void BRepGProp_Face::Bounds(Standard_Real& U1,
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//purpose :
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//purpose :
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//=======================================================================
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//=======================================================================
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void BRepGProp_Face::Load(const TopoDS_Edge& E)
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bool BRepGProp_Face::Load(const TopoDS_Edge& E)
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{
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{
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Standard_Real a,b;
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Standard_Real a,b;
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Handle(Geom2d_Curve) C =
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Handle(Geom2d_Curve) C = BRep_Tool::CurveOnSurface(E, mySurface.Face(), a,b);
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BRep_Tool::CurveOnSurface(E, mySurface.Face(), a,b);
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if (C.IsNull())
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{
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return false;
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}
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if (E.Orientation() == TopAbs_REVERSED) {
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if (E.Orientation() == TopAbs_REVERSED) {
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Standard_Real x = a;
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Standard_Real x = a;
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a = C->ReversedParameter(b);
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a = C->ReversedParameter(b);
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@ -187,6 +190,7 @@ void BRepGProp_Face::Load(const TopoDS_Edge& E)
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C = C->Reversed();
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C = C->Reversed();
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}
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}
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myCurve.Load(C,a,b);
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myCurve.Load(C,a,b);
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return true;
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}
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}
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//=======================================================================
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//=======================================================================
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@ -101,7 +101,8 @@ public:
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Standard_EXPORT void Normal (const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& VNor) const;
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Standard_EXPORT void Normal (const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& VNor) const;
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//! Loading the boundary arc.
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//! Loading the boundary arc.
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Standard_EXPORT void Load (const TopoDS_Edge& E);
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//! Returns FALSE if edge has no P-Curve.
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Standard_EXPORT bool Load (const TopoDS_Edge& E);
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//! Returns the parametric value of the start point of
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//! Returns the parametric value of the start point of
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//! the current arc of curve.
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//! the current arc of curve.
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@ -625,7 +625,10 @@ Standard_Real BRepGProp_Gauss::Compute(
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}
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}
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else
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else
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{
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{
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theSurface.Load(theDomain.Value());
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if (!theSurface.Load(theDomain.Value()))
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{
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return Precision::Infinite();
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}
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NbLGaussP[0] = theSurface.LIntOrder(anEpsilon);
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NbLGaussP[0] = theSurface.LIntOrder(anEpsilon);
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}
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}
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@ -1116,9 +1119,12 @@ void BRepGProp_Gauss::Compute(BRepGProp_Face& theSurface,
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math::GaussWeights(NbGaussgp_Pnts, GaussSWV);
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math::GaussWeights(NbGaussgp_Pnts, GaussSWV);
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BRepGProp_Gauss::Inertia anInertia;
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BRepGProp_Gauss::Inertia anInertia;
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while (theDomain.More())
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for (; theDomain.More(); theDomain.Next())
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{
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{
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theSurface.Load(theDomain.Value());
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if (!theSurface.Load(theDomain.Value()))
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{
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return;
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}
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Standard_Integer NbCGaussgp_Pnts =
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Standard_Integer NbCGaussgp_Pnts =
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Min(theSurface.IntegrationOrder(), math::GaussPointsMax());
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Min(theSurface.IntegrationOrder(), math::GaussPointsMax());
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@ -1171,8 +1177,6 @@ void BRepGProp_Gauss::Compute(BRepGProp_Face& theSurface,
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multAndRestoreInertia(lr, aCInertia);
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multAndRestoreInertia(lr, aCInertia);
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addAndRestoreInertia (aCInertia, anInertia);
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addAndRestoreInertia (aCInertia, anInertia);
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theDomain.Next();
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}
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}
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convert(anInertia, theOutGravityCenter, theOutInertia, theOutMass);
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convert(anInertia, theOutGravityCenter, theOutInertia, theOutMass);
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@ -1200,9 +1204,12 @@ void BRepGProp_Gauss::Compute(BRepGProp_Face& theSurface,
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Standard_Real _u2 = u2; //OCC104
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Standard_Real _u2 = u2; //OCC104
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BRepGProp_Gauss::Inertia anInertia;
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BRepGProp_Gauss::Inertia anInertia;
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while (theDomain.More())
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for (; theDomain.More(); theDomain.Next())
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{
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{
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theSurface.Load(theDomain.Value());
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if (!theSurface.Load(theDomain.Value()))
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{
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return;
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}
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const Standard_Integer aVNbCGaussgp_Pnts =
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const Standard_Integer aVNbCGaussgp_Pnts =
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theSurface.VIntegrationOrder();
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theSurface.VIntegrationOrder();
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@ -1265,8 +1272,6 @@ void BRepGProp_Gauss::Compute(BRepGProp_Face& theSurface,
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multAndRestoreInertia(lr, aCInertia);
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multAndRestoreInertia(lr, aCInertia);
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addAndRestoreInertia (aCInertia, anInertia);
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addAndRestoreInertia (aCInertia, anInertia);
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theDomain.Next();
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}
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}
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convert(anInertia, theCoeff, theIsByPoint, theOutGravityCenter, theOutInertia, theOutMass);
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convert(anInertia, theCoeff, theIsByPoint, theOutGravityCenter, theOutInertia, theOutMass);
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215
tests/bugs/modalg_7/bug29939
Normal file
215
tests/bugs/modalg_7/bug29939
Normal file
@ -0,0 +1,215 @@
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puts "========"
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puts "0029939: Modeling Algorithms - add NULL check to BRepGProp_Face::Load()"
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puts "========"
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puts ""
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pload MODELING VISUALIZATION
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# sample Face with some Curve2ds missing
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set aShapeData "
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DBRep_DrawableShape
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CASCADE Topology V1, (c) Matra-Datavision
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Locations 6
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1
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-6.93889390391e-18 1 0 -266.829932547
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-1 -6.93889390391e-18 0 0
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0 0 1 8.881784197e-16
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1
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1 -1.23204712323214e-17 3.48118418796994e-18 -357.513195371
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1.23204706275e-17 0.999999999999985 1.73740064720997e-07 5.87091965856e-15
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-3.48118632852936e-18 -1.73740064720997e-07 0.999999999999985 1.00245277978e-14
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1
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1 -3.49249707682408e-17 -1.73723591341045e-16 613.47435459
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3.30382668395332e-18 0.983888906493258 -0.178780926498047 -24.4029550353
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1.77168632948486e-16 0.178780926498047 0.983888906493258 17.0096765133
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1
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-0.891601662261103 -0.296724731883325 0.34205395676999 289.371401338
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0.321472550183128 -0.946772534430101 0.0166483490940992 -855.09721987
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0.318907314641721 0.12480465350928 0.939532821741973 -233.868191989
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2 1 1 2 1 3 1 4 1 0
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2 4 -1 3 -1 2 -1 1 -1 0
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Curve2ds 8
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1 3.1415926535885261 -3.1415926537565504 -9.6123430370698398e-15 1
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1 2.6415926535897927 3.1415926535897829 1 3.227912221389625e-15
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1 -3.641592653589794 3.1415926535899144 1 -2.1627771834064215e-14
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1 -3.641592653589794 3.1415926535897447 1 8.2694421717546571e-15
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1 -3.641592653589794 3.1415926535897984 1 -2.5444437451706449e-15
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1 -3.6415926535891083 3.1415926535895933 1 4.5496352846831891e-14
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1 0 -3.1415926537565433 0 1
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1 -3.6415926535884808 1.5707963267948022 1 1.8093822187836176e-14
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Curves 9
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2 84.858320332900007 -63 155.33211345500001 -0.87758256189037243 0 0.4794255386042035 -0.4794255386042035 0 -0.87758256189037243 -0 -1 0 2
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2 -5.6843418860799994e-14 -63 4.2632564145599997e-14 -0 1 0 0 0 1 1 0 -0 175
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7 0 0 4 5 2 9.51279659315 -64.469009257300002 174.74125643599999 10.8275887261 -63.750060296000001 174.66968003599999 12.261430838000001 -63.2501700292 174.57846249100001 13.7577343107 -62.999999975000001 174.464825784 15.252255180300001 -63 174.33407214900001
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0 5 8.4865807349600004 5
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2 -5.6843418860799994e-14 -63 4.2632564145599997e-14 -0 1 0 0 0 1 1 0 -0 175
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2 -5.6843418860799994e-14 -63 4.2632564145599997e-14 -0 1 0 0 0 1 1 0 -0 175
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2 -5.6843418860799994e-14 -63 4.2632564145599997e-14 -0 1 0 0 0 1 1 0 -0 175
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2 -5.6843418860799994e-14 -63 4.2632564145599997e-14 -0 1 0 0 0 1 1 0 -0 175
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2 -84.858320332900007 -63 -155.33211345500001 0.87758256189037243 -0 -0.4794255386042035 0.4794255386042035 0 0.87758256189037243 0 -1 0 2
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2 -4.2632564145599997e-14 -61 -2.8421709430399997e-14 0 1 0 0 -0 1 1 0 -0 177
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Polygon3D 0
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PolygonOnTriangulations 0
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Surfaces 1
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5 -5.6843418860799994e-14 -63 4.2632564145599997e-14 -0 1 0 -0.4794255386042035 0 -0.87758256189037243 -0.87758256189037243 -0 0.4794255386042035 177 2
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Triangulations 0
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TShapes 20
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Ve
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1.00005e-07
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446.609600903292 -747.182655462685 -128.403390746598
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0 0
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0101101
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*
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Ve
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1e-07
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447.487711636221 -749.041771994926 -130.345710818059
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 1 0 4.71238898051187 6.28318530717959
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2 1 1 0 4.71238898051187 6.28318530717959
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0
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0101000
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+20 6 -19 6 *
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Ve
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0.000801323308506101
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439.731321696259 -808.930183254921 -91.6608968795304
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 2 0 0.0872664625995157 0.499999999999316
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2 2 1 0 0.0872664625995157 0.499999999999316
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0
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0101000
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+17 6 -19 6 *
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Ve
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9.50082811303135e-06
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439.731308365217 -808.930245083447 -91.6608718249203
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 3 0 8.48648424147889 8.48658045180264
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0
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0101000
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+15 6 -17 6 *
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Ve
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0.000801323588114315
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400.97481659698 -922.047565623353 -85.9891266596981
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 4 0 5.672320068985 6.37045138103039
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2 3 1 0 5.672320068985 6.37045138103039
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0
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0101000
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+13 6 -15 6 *
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Ve
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0.000801323173512029
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346.92570979233 -1004.00637567207 -154.481647187039
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 5 0 4.974188368183 5.672320068985
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2 4 1 0 4.974188368183 5.672320068985
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0
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0101000
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+11 6 -13 6 *
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Ve
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0.000801323604481778
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302.874179046209 -1016.45717530592 -265.090046896853
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 6 0 4.27605666738522 4.974188368183
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2 5 1 0 4.27605666738522 4.974188368183
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0
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0101000
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+9 6 -11 6 *
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Ve
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1e-07
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289.096508106169 -961.871772388525 -358.63416338841
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 7 0 3.64159265358911 4.27605666738522
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2 6 1 0 3.64159265358911 4.27605666738522
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0
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0101000
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+7 6 -9 6 *
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Ve
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1.00005e-07
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286.408212189964 -962.444998719012 -359.300854202584
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0 0
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0101101
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*
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Ed
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1e-07 1 1 0
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1 8 0 4.71238898038469 6.28318530717959
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2 7 1 0 4.71238898038469 6.28318530717959
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0
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0101000
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+5 6 -7 6 *
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Ed
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1.00005e-07 1 1 0
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1 9 0 3.64159265358848 6.78318530718743
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2 8 1 0 3.64159265358848 6.78318530718743
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0
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0101000
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+5 6 -20 6 *
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Wi
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0101100
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+18 0 -16 0 -14 0 -12 0 -10 0 -8 0 -6 0 -4 0 +3 0 *
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Fa
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0 1e-07 1 0
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1101000
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+2 0 *
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-1 5
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0
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"
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set aFile [open "$imagedir/${casename}.brep" wb]
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puts $aFile $aShapeData
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close $aFile
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restore "$imagedir/${casename}.brep" f
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file delete "$imagedir/${casename}.brep"
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sprops f
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vprops f
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