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316 lines
12 KiB
C++
316 lines
12 KiB
C++
// Created on: 2000-10-20
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// Created by: Julia DOROVSKIKH
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// Copyright (c) 2000-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <DsgPrs_MidPointPresentation.hxx>
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#include <ElCLib.hxx>
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#include <gp_Ax1.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Circ.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Elips.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <Graphic3d_ArrayOfPolylines.hxx>
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#include <Graphic3d_ArrayOfSegments.hxx>
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#include <Graphic3d_AspectLine3d.hxx>
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#include <Graphic3d_Group.hxx>
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#include <Precision.hxx>
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#include <Prs3d_DimensionAspect.hxx>
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#include <Prs3d_LineAspect.hxx>
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#include <Prs3d_Presentation.hxx>
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#include <Prs3d_Text.hxx>
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#include <TCollection_ExtendedString.hxx>
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//===================================================================
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//Function:Add
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//Purpose: draws the representation of a radial symmetry between two vertices.
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//===================================================================
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void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const gp_Ax2& theAxe,
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const gp_Pnt& MidPoint,
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const gp_Pnt& Position,
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const gp_Pnt& AttachPoint,
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const Standard_Boolean first)
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{
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Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
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Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
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gp_Ax2 ax = theAxe;
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ax.SetLocation(MidPoint);
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gp_Circ aCircleM (ax,rad);
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if ( first )
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{
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// center of the symmetry - circle around the MidPoint
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aPresentation->NewGroup();
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aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect());
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const Standard_Real alpha = 2. * M_PI;
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const Standard_Integer nbp = 100;
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const Standard_Real dteta = alpha/(nbp-1);
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Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2);
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aPrims->AddBound(nbp);
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for (Standard_Integer i = 1; i <= nbp; i++)
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aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM));
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// segment from mid point to the text position
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aPrims->AddBound(2);
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aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point
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aPrims->AddVertex(Position); // text position
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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// texte
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TCollection_ExtendedString aText(" (+)");
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Prs3d_Text::Draw (aPresentation->CurrentGroup(), LA->TextAspect(), aText, Position);
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}
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if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
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{
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if ( !first )
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{
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aPresentation->NewGroup();
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aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect());
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}
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// segment from mid point to the geometry
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Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); // mid point
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aPrims->AddVertex(AttachPoint); // attach point to the geometry
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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}
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}
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//===================================================================
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//Function:Add
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//Purpose: draws the representation of a radial symmetry between two linear segments.
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//===================================================================
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void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const gp_Ax2& theAxe,
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const gp_Pnt& MidPoint,
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const gp_Pnt& Position,
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const gp_Pnt& AttachPoint,
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const gp_Pnt& Point1,
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const gp_Pnt& Point2,
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const Standard_Boolean first)
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{
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Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
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if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0;
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Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
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gp_Ax2 ax = theAxe;
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ax.SetLocation(MidPoint);
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gp_Circ aCircleM (ax,rad);
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// segment on line
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aPresentation->NewGroup();
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aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect());
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Handle(Graphic3d_ArrayOfPrimitives) aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(Point1);
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aPrims->AddVertex(Point2);
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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if ( first )
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{
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// center of the symmetry - circle around the MidPoint
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const Standard_Real alpha = 2. * M_PI;
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const Standard_Integer nbp = 100;
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const Standard_Real dteta = alpha/(nbp-1);
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aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2);
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aPrims->AddBound(nbp);
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for (Standard_Integer i = 1; i <= nbp; i++)
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aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM));
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// segment from mid point to the text position
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aPrims->AddBound(2);
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aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point
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aPrims->AddVertex(Position); // text position
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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// texte
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TCollection_ExtendedString aText (" (+)");
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Prs3d_Text::Draw (aPresentation->CurrentGroup(), LA->TextAspect(), aText, Position);
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}
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if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
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{
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// mid point
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aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM));
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aPrims->AddVertex(AttachPoint); // attach point to the geometry
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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}
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}
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//===================================================================
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//Function:Add
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//Purpose: draws the representation of a radial symmetry between two circular arcs.
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//===================================================================
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void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const gp_Circ& aCircle,
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const gp_Pnt& MidPoint,
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const gp_Pnt& Position,
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const gp_Pnt& AttachPoint,
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const gp_Pnt& Point1,
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const gp_Pnt& Point2,
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const Standard_Boolean first)
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{
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Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
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if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0;
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Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
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gp_Ax2 ax = aCircle.Position();
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ax.SetLocation(MidPoint);
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gp_Circ aCircleM (ax,rad);
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// segment on circle
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aPresentation->NewGroup();
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aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect());
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const Standard_Real pf = ElCLib::Parameter(aCircle,Point1);
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const Standard_Real pl = ElCLib::Parameter(aCircle,Point2);
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Standard_Real alpha = pl - pf;
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if ( alpha < 0 ) alpha += 2. * M_PI;
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const Standard_Integer nb = (Standard_Integer)(50.0*alpha/M_PI);
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Standard_Integer nbp = Max(4,nb);
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Standard_Real dteta = alpha/(nbp-1);
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Handle(Graphic3d_ArrayOfPrimitives) aPrims = new Graphic3d_ArrayOfPolylines(nbp);
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for (Standard_Integer i = 1; i <= nbp; i++)
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aPrims->AddVertex(ElCLib::Value(pf + dteta*(i-1),aCircle));
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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if ( first )
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{
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// center of the symmetry - circle around the MidPoint
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alpha = 2. * M_PI;
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nbp = 100;
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dteta = alpha/(nbp-1);
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aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2);
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aPrims->AddBound(nbp);
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for (Standard_Integer i = 1; i <= nbp; i++)
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aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM));
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// segment from mid point to the text position
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aPrims->AddBound(2);
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aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point
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aPrims->AddVertex(Position); // text position
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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// texte
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TCollection_ExtendedString aText (" (+)");
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Prs3d_Text::Draw (aPresentation->CurrentGroup(), LA->TextAspect(), aText, Position);
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}
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if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
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{
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// segment from mid point to the geometry
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aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); // mid point
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aPrims->AddVertex(AttachPoint); // attach point to the geometry
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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}
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}
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//===================================================================
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//Function:Add
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//Purpose: draws the representation of a radial symmetry between two elliptic arcs.
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//===================================================================
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void DsgPrs_MidPointPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const gp_Elips& aCircle,
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const gp_Pnt& MidPoint,
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const gp_Pnt& Position,
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const gp_Pnt& AttachPoint,
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const gp_Pnt& Point1,
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const gp_Pnt& Point2,
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const Standard_Boolean first)
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{
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Standard_Real rad = AttachPoint.Distance(MidPoint)/20.0;
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if ( rad <= Precision::Confusion() ) rad = Point1.Distance(Point2)/20.0;
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Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
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gp_Pnt Ptmp,ptcur;
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gp_Ax2 ax = aCircle.Position();
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ax.SetLocation(MidPoint);
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gp_Circ aCircleM (ax,rad);
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// segment on ellipse
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aPresentation->NewGroup();
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aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect());
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const Standard_Real pf = ElCLib::Parameter(aCircle,Point1);
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const Standard_Real pl = ElCLib::Parameter(aCircle,Point2);
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Standard_Real alpha = pl - pf;
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if ( alpha < 0 ) alpha += 2 * M_PI;
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const Standard_Integer nb = (Standard_Integer)(50.0*alpha/M_PI);
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Standard_Integer nbp = Max(4,nb);
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Standard_Real dteta = alpha/(nbp-1);
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Handle(Graphic3d_ArrayOfPrimitives) aPrims = new Graphic3d_ArrayOfPolylines(nbp);
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for (Standard_Integer i = 1; i <= nbp; i++)
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aPrims->AddVertex(ElCLib::Value(pf + dteta*(i-1),aCircle));
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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if ( first )
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{
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// center of the symmetry - circle around the MidPoint
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alpha = 2. * M_PI;
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nbp = 100;
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dteta = alpha/(nbp-1);
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aPrims = new Graphic3d_ArrayOfPolylines(nbp+2,2);
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aPrims->AddBound(nbp);
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for (Standard_Integer i = 1; i <= nbp; i++)
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aPrims->AddVertex(ElCLib::Value(dteta*(i-1),aCircleM));
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// segment from mid point to the text position
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aPrims->AddBound(2);
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aPrims->AddVertex(Position.IsEqual(MidPoint,rad)? MidPoint : ElCLib::Value(ElCLib::Parameter(aCircleM,Position),aCircleM)); // mid point
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aPrims->AddVertex(Position); // text position
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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// texte
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TCollection_ExtendedString aText (" (+)");
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Prs3d_Text::Draw (aPresentation->CurrentGroup(), LA->TextAspect(), aText, Position);
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}
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if ( !AttachPoint.IsEqual(MidPoint, Precision::Confusion()) )
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{
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// segment from mid point to the geometry
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aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(ElCLib::Value(ElCLib::Parameter(aCircleM,AttachPoint),aCircleM)); // mid point
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aPrims->AddVertex(AttachPoint); // attach point to the geometry
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aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
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}
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}
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