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0031125: BRepMesh_IncrementalMesh crash in constructor for empty compound shape

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Added check for cases of empty shapes producing null models.
NoError status is returned as far as empty compounds are generally coorect shapes.
This commit is contained in:
oan 2019-11-04 17:49:07 +03:00 committed by bugmaster
parent b31fbc832d
commit 7756fc599d
2 changed files with 17 additions and 7 deletions
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17
src/BRepMesh/BRepMesh_IncrementalMesh.cxx
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@ -108,15 +108,18 @@ void BRepMesh_IncrementalMesh::Perform(const Handle(IMeshTools_Context)& theCont
myStatus = IMeshData_NoError;
const Handle(IMeshData_Model)& aModel = theContext->GetModel();
for (Standard_Integer aFaceIt = 0; aFaceIt < aModel->FacesNb(); ++aFaceIt)
if (!aModel.IsNull())
{
const IMeshData::IFaceHandle& aDFace = aModel->GetFace(aFaceIt);
myStatus |= aDFace->GetStatusMask();
for (Standard_Integer aWireIt = 0; aWireIt < aDFace->WiresNb(); ++aWireIt)
for (Standard_Integer aFaceIt = 0; aFaceIt < aModel->FacesNb(); ++aFaceIt)
{
const IMeshData::IWireHandle& aDWire = aDFace->GetWire(aWireIt);
myStatus |= aDWire->GetStatusMask();
const IMeshData::IFaceHandle& aDFace = aModel->GetFace(aFaceIt);
myStatus |= aDFace->GetStatusMask();
for (Standard_Integer aWireIt = 0; aWireIt < aDFace->WiresNb(); ++aWireIt)
{
const IMeshData::IWireHandle& aDWire = aDFace->GetWire(aWireIt);
myStatus |= aDWire->GetStatusMask();
}
}
}

7
tests/bugs/mesh/bug31125 Normal file
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@ -0,0 +1,7 @@
puts "======="
puts "0031125: BRepMesh_IncrementalMesh crash in constructor for empty compound shape"
puts "======="
puts ""
compound result
incmesh result 1