C++ (Cpp) anA示例

示例#1

文件： diag0266.c 项目： ABratovic/open-watcom-v2

void main() {
    A           anA("hello");
    int         i;

    anA = (i==0) ? A("foo") : "foo";
}

示例#2

文件： GEOMImpl_MarkerDriver.cpp 项目： triggerfish1/pythonocc

//=======================================================================
//function : Execute
//purpose  :
//=======================================================================
Standard_Integer GEOMImpl_MarkerDriver::Execute(TFunction_Logbook& log) const
{
  if (Label().IsNull())  return 0;
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IMarker aPI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  TopoDS_Shape aShape;

  if (aType == MARKER_CS) {
    double OX, OY, OZ;
    double XDX, XDY, XDZ;
    double YDX, YDY, YDZ;
    aPI.GetOrigin(OX, OY, OZ);
    aPI.GetXDir(XDX, XDY, XDZ);
    aPI.GetYDir(YDX, YDY, YDZ);

    gp_Pnt aPO (OX, OY, OZ);
    gp_Vec aVX (XDX, XDY, XDZ);
    gp_Vec aVY (YDX, YDY, YDZ);
    Standard_Real aTol = Precision::Confusion();
    if (aVX.Magnitude() < aTol ||
        aVY.Magnitude() < aTol ||
        aVX.IsParallel(aVY, Precision::Angular())) {
      Standard_ConstructionError::Raise("Degenerated or parallel directions given");
    }

    gp_Vec aN = aVX ^ aVY;
    gp_Ax3 anA (aPO, aN, aVX);
    gp_Pln aPln (anA);

    double aTrimSize = 100.0;
    aShape = BRepBuilderAPI_MakeFace(aPln, -aTrimSize, +aTrimSize, -aTrimSize, +aTrimSize).Shape();
  } else if (aType == MARKER_SHAPE) {
    Handle(GEOM_Function) aRefShape = aPI.GetShape();
    TopoDS_Shape aSh = aRefShape->GetValue();
    gp_Ax3 anAx3 = GEOMImpl_IMeasureOperations::GetPosition(aSh);
    gp_Pln aPln (anAx3);

    double aTrimSize = 100.0;
    aShape = BRepBuilderAPI_MakeFace(aPln, -aTrimSize, +aTrimSize, -aTrimSize, +aTrimSize).Shape();
  } else if (aType == MARKER_PNT2VEC) {
    Handle(GEOM_Function) aRefOrigin  = aPI.GetOrigin();
    Handle(GEOM_Function) aRefXVec = aPI.GetXVec();
    Handle(GEOM_Function) aRefYVec = aPI.GetYVec();
    TopoDS_Shape aShapeOrigin = aRefOrigin->GetValue();
    TopoDS_Shape aShapeXVec = aRefXVec->GetValue();
    TopoDS_Shape aShapeYVec = aRefYVec->GetValue();
    if (aShapeOrigin.ShapeType() != TopAbs_VERTEX || aShapeOrigin.IsNull()) return 0;
    if (aShapeXVec.ShapeType() != TopAbs_EDGE || aShapeXVec.IsNull()) return 0;
    if (aShapeYVec.ShapeType() != TopAbs_EDGE || aShapeYVec.IsNull()) return 0;

    gp_Pnt aPO = BRep_Tool::Pnt( TopoDS::Vertex( aShapeOrigin ) );

    gp_Pnt aPX1 = BRep_Tool::Pnt( TopExp::FirstVertex( TopoDS::Edge( aShapeXVec ) ) );
    gp_Pnt aPX2 = BRep_Tool::Pnt( TopExp::LastVertex( TopoDS::Edge( aShapeXVec ) ) );
    gp_Vec aVX( aPX1, aPX2 );

    gp_Pnt aPY1 = BRep_Tool::Pnt( TopExp::FirstVertex( TopoDS::Edge( aShapeYVec ) ) );
    gp_Pnt aPY2 = BRep_Tool::Pnt( TopExp::LastVertex( TopoDS::Edge( aShapeYVec ) ) );
    gp_Vec aVY( aPY1, aPY2 );

    if (aVX.Magnitude() < gp::Resolution() || aVY.Magnitude() < gp::Resolution())
        Standard_ConstructionError::Raise
          ("Local CS creation aborted: vector of zero length is given");

    if ( aVX.IsParallel(aVY, Precision::Angular()))
      Standard_ConstructionError::Raise("Parallel Vectors given");
    
    gp_Vec aN = aVX ^ aVY;
    gp_Ax3 anA (aPO, aN, aVX);
    gp_Pln aPln (anA);
    
    double aTrimSize = 100.0;
    aShape = BRepBuilderAPI_MakeFace(aPln, -aTrimSize, +aTrimSize, -aTrimSize, +aTrimSize).Shape();
  } else {
  }

  if (aShape.IsNull()) return 0;

  aFunction->SetValue(aShape);

  log.SetTouched(Label());

  return 1;
}