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0031326: Foundation Classes - Init from Json for base OCCT classes
InitFromJson method implementation for some simple classes. OCCT_INIT_* defines introduction to do automatic parsing of the stream into values. Inspector is extended to visualize objects created on the dump stream if it might be created.
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nds
bugmaster
@@ -16,8 +16,19 @@
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#include <inspector/Convert_Tools.hxx>
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#include <inspector/Convert_TransientShape.hxx>
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#include <AIS_Plane.hxx>
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#include <AIS_Shape.hxx>
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#include <BRep_Builder.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRepBuilderAPI_MakeVertex.hxx>
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#include <BRepPreviewAPI_MakeBox.hxx>
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#include <BRepTools.hxx>
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#include <gp_XY.hxx>
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#include <Geom_Plane.hxx>
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#include <Prs3d_PlaneAspect.hxx>
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#include <Standard_Dump.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TopoDS_Compound.hxx>
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// =======================================================================
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// function : ReadShape
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@@ -36,19 +47,214 @@ TopoDS_Shape Convert_Tools::ReadShape (const TCollection_AsciiString& theFileNam
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//function : ConvertStreamToPresentations
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//purpose :
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//=======================================================================
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void Convert_Tools::ConvertStreamToPresentations (const Standard_SStream&,
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const Standard_Integer,
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const Standard_Integer,
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NCollection_List<Handle(Standard_Transient)>&)
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void Convert_Tools::ConvertStreamToPresentations (const Standard_SStream& theSStream,
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const Standard_Integer theStartPos,
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const Standard_Integer /*theLastPos*/,
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NCollection_List<Handle(Standard_Transient)>& thePresentations)
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{
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int aStartPos = theStartPos;
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gp_XYZ aPoint;
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if (aPoint.InitFromJson (theSStream, aStartPos))
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{
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thePresentations.Append (new Convert_TransientShape (BRepBuilderAPI_MakeVertex (aPoint)));
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return;
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}
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gp_Pnt aPnt;
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if (aPnt.InitFromJson (theSStream, aStartPos))
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{
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thePresentations.Append (new Convert_TransientShape (BRepBuilderAPI_MakeVertex (aPnt)));
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return;
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}
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gp_Dir aDir;
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if (aDir.InitFromJson (theSStream, aStartPos))
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{
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thePresentations.Append (new Convert_TransientShape (BRepBuilderAPI_MakeEdge (gp::Origin(), aDir.XYZ())));
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return;
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}
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gp_Ax2 anAx2;
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if (anAx2.InitFromJson (theSStream, aStartPos))
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{
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Handle(Geom_Plane) aGeomPlane = new Geom_Plane (gp_Ax3 (anAx2));
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CreatePresentation (aGeomPlane, thePresentations);
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return;
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}
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gp_Ax3 anAx3; // should be after gp_Ax2
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if (anAx3.InitFromJson (theSStream, aStartPos))
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{
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Handle(Geom_Plane) aGeomPlane = new Geom_Plane (anAx3);
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CreatePresentation (aGeomPlane, thePresentations);
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return;
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}
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// should be after gp_Ax3
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gp_Ax1 anAxis;
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if (anAxis.InitFromJson (theSStream, aStartPos))
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{
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thePresentations.Append (new Convert_TransientShape (BRepBuilderAPI_MakeEdge (anAxis.Location(), anAxis.Location().Coord() + anAxis.Direction().XYZ())));
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return;
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}
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gp_Trsf aTrsf;
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if (aTrsf.InitFromJson (theSStream, aStartPos))
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{
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CreatePresentation (aTrsf, thePresentations);
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return;
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}
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Bnd_Box aBox;
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if (aBox.InitFromJson (theSStream, aStartPos))
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{
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TopoDS_Shape aShape;
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if (Convert_Tools::CreateShape (aBox, aShape))
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thePresentations.Append (new Convert_TransientShape (aShape));
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return;
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}
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Select3D_BndBox3d aSelectBndBox;
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if (aSelectBndBox.InitFromJson (theSStream, aStartPos))
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{
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TopoDS_Shape aShape;
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gp_Pnt aPntMin = gp_Pnt (aSelectBndBox.CornerMin().x(), aSelectBndBox.CornerMin().y(), aSelectBndBox.CornerMin().z());
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gp_Pnt aPntMax = gp_Pnt (aSelectBndBox.CornerMax().x(), aSelectBndBox.CornerMax().y(), aSelectBndBox.CornerMax().z());
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if (CreateBoxShape (aPntMin, aPntMax, aShape))
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thePresentations.Append (new Convert_TransientShape (aShape));
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return;
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}
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}
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//=======================================================================
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//function : ConvertStreamToColor
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//purpose :
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//=======================================================================
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Standard_Boolean Convert_Tools::ConvertStreamToColor (const Standard_SStream&,
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Quantity_Color&)
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Standard_Boolean Convert_Tools::ConvertStreamToColor (const Standard_SStream& theSStream,
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Quantity_Color& theColor)
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{
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Standard_Integer aStartPos = 1;
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Quantity_ColorRGBA aColorRGBA;
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if (aColorRGBA.InitFromJson (theSStream, aStartPos))
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{
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theColor = aColorRGBA.GetRGB();
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return Standard_True;
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}
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Quantity_Color aColor;
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if (aColor.InitFromJson (theSStream, aStartPos))
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{
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theColor = aColor;
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return Standard_True;
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}
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return Standard_False;
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}
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//=======================================================================
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//function : CreateShape
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//purpose :
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//=======================================================================
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Standard_Boolean Convert_Tools::CreateShape (const Bnd_Box& theBoundingBox, TopoDS_Shape& theShape)
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{
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if (theBoundingBox.IsVoid() || theBoundingBox.IsWhole())
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return Standard_False;
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Standard_Real aXmin, anYmin, aZmin, aXmax, anYmax, aZmax;
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theBoundingBox.Get (aXmin, anYmin, aZmin, aXmax, anYmax, aZmax);
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gp_Pnt aPntMin = gp_Pnt (aXmin, anYmin, aZmin);
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gp_Pnt aPntMax = gp_Pnt (aXmax, anYmax, aZmax);
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return CreateBoxShape (aPntMin, aPntMax, theShape);
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}
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//=======================================================================
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//function : CreateShape
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//purpose :
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//=======================================================================
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Standard_Boolean Convert_Tools::CreateShape (const Bnd_OBB& theBoundingBox, TopoDS_Shape& theShape)
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{
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if (theBoundingBox.IsVoid())
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return Standard_False;
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TColgp_Array1OfPnt anArrPnts(0, 8);
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theBoundingBox.GetVertex(&anArrPnts(0));
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BRep_Builder aBuilder;
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TopoDS_Compound aCompound;
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aBuilder.MakeCompound (aCompound);
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aBuilder.Add (aCompound, BRepBuilderAPI_MakeEdge (gp_Pnt (anArrPnts.Value(0)), gp_Pnt (anArrPnts.Value(1))));
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aBuilder.Add (aCompound, BRepBuilderAPI_MakeEdge (gp_Pnt (anArrPnts.Value(0)), gp_Pnt (anArrPnts.Value(2))));
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aBuilder.Add (aCompound, BRepBuilderAPI_MakeEdge (gp_Pnt (anArrPnts.Value(1)), gp_Pnt (anArrPnts.Value(3))));
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aBuilder.Add (aCompound, BRepBuilderAPI_MakeEdge (gp_Pnt (anArrPnts.Value(2)), gp_Pnt (anArrPnts.Value(3))));
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theShape = aCompound;
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return Standard_True;
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}
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//=======================================================================
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//function : CreateBoxShape
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//purpose :
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//=======================================================================
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Standard_Boolean Convert_Tools::CreateBoxShape (const gp_Pnt& thePntMin, const gp_Pnt& thePntMax, TopoDS_Shape& theShape)
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{
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BRepPreviewAPI_MakeBox aMakeBox;
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aMakeBox.Init (thePntMin, thePntMax);
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theShape = aMakeBox.Shape();
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return Standard_True;
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}
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//=======================================================================
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//function : CreatePresentation
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//purpose :
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//=======================================================================
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void Convert_Tools::CreatePresentation (const Handle(Geom_Plane)& thePlane,
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NCollection_List<Handle(Standard_Transient)>& thePresentations)
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{
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Handle(AIS_Plane) aPlanePrs = new AIS_Plane (thePlane);
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aPlanePrs->Attributes()->SetPlaneAspect (new Prs3d_PlaneAspect());
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Handle (Prs3d_PlaneAspect) aPlaneAspect = aPlanePrs->Attributes()->PlaneAspect();
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aPlaneAspect->SetPlaneLength (100, 100);
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aPlaneAspect->SetDisplayCenterArrow (Standard_True);
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aPlaneAspect->SetDisplayEdgesArrows (Standard_True);
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aPlaneAspect->SetArrowsSize (100);
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aPlaneAspect->SetArrowsLength (100);
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aPlaneAspect->SetDisplayCenterArrow (Standard_True);
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aPlaneAspect->SetDisplayEdges (Standard_True);
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aPlanePrs->SetColor (Quantity_NOC_WHITE);
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aPlanePrs->SetTransparency (0);
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thePresentations.Append (aPlanePrs);
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}
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//=======================================================================
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//function : CreatePresentation
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//purpose :
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//=======================================================================
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void Convert_Tools::CreatePresentation (const gp_Trsf& theTrsf,
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NCollection_List<Handle(Standard_Transient)>& thePresentations)
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{
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Bnd_Box aBox (gp_Pnt(), gp_Pnt(10., 10., 10));
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TopoDS_Shape aBoxShape;
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if (!Convert_Tools::CreateShape (aBox, aBoxShape))
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return;
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Handle(AIS_Shape) aSourcePrs = new AIS_Shape (aBoxShape);
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aSourcePrs->SetColor (Quantity_NOC_WHITE);
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aSourcePrs->SetTransparency (0.5);
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thePresentations.Append (aSourcePrs);
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Handle(AIS_Shape) aTransformedPrs = new AIS_Shape (aBoxShape);
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aTransformedPrs->SetColor (Quantity_NOC_TOMATO);
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aTransformedPrs->SetTransparency (0.5);
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aTransformedPrs->SetLocalTransformation (theTrsf);
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thePresentations.Append (aTransformedPrs);
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}
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