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127 lines
4.5 KiB
C++
127 lines
4.5 KiB
C++
// Created on: 1997-12-08
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// Created by: Serguei ZARITCHNY
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 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_FilletRadiusPresentation.hxx>
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#include <DsgPrs.hxx>
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#include <ElCLib.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_Line.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <GeomAPI_ExtremaCurveCurve.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Lin.hxx>
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#include <gp_Pnt.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_AspectMarker3d.hxx>
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#include <Graphic3d_Group.hxx>
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#include <Precision.hxx>
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#include <Prs3d_Arrow.hxx>
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#include <Prs3d_ArrowAspect.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_AsciiString.hxx>
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#include <TCollection_ExtendedString.hxx>
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#include <stdio.h>
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//=======================================================================
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//function : Add
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//purpose :
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//=======================================================================
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void DsgPrs_FilletRadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const Standard_Real theval,
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const TCollection_ExtendedString & aText,
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const gp_Pnt & aPosition,
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const gp_Dir & aNormalDir,
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const gp_Pnt & aBasePnt,
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const gp_Pnt & aFirstPoint,
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const gp_Pnt & aSecondPoint,
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const gp_Pnt & aCenter,
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const DsgPrs_ArrowSide ArrowPrs,
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const Standard_Boolean drawRevers,
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gp_Pnt & DrawPosition,
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gp_Pnt & EndOfArrow,
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Handle(Geom_TrimmedCurve)& TrimCurve,
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Standard_Boolean & HasCircle )
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{
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char valcar[80];
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sprintf(valcar,"%5.2f",theval);
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Standard_Real FirstParCirc, LastParCirc;
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Standard_Boolean SpecCase;
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gp_Dir DirOfArrow;
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gp_Circ FilletCirc;
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// gp_Pnt NewPosition, EndOfArrow;
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Handle( Prs3d_DimensionAspect ) LA = aDrawer->DimensionAspect();
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Prs3d_Root::CurrentGroup( aPresentation )->SetPrimitivesAspect( LA->LineAspect()->Aspect() );
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Standard_Real ArrowLength = LA->ArrowAspect()->Length();
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DsgPrs::ComputeFilletRadiusPresentation( ArrowLength,
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theval,
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aPosition,
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aNormalDir,
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aFirstPoint,
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aSecondPoint,
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aCenter,
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aBasePnt,
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drawRevers,
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SpecCase,
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FilletCirc,
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FirstParCirc,
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LastParCirc,
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EndOfArrow,
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DirOfArrow,
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DrawPosition //NewPosition
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);
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// Creating the fillet's arc
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if( !SpecCase )
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{
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const Standard_Real Alpha = Abs(LastParCirc - FirstParCirc);
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const Standard_Integer NodeNumber = Max (4 , Standard_Integer (50. * Alpha / M_PI));
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const Standard_Real delta = Alpha / ( NodeNumber - 1 );
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Handle(Graphic3d_ArrayOfPolylines) aPrims = new Graphic3d_ArrayOfPolylines(NodeNumber);
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for (Standard_Integer i = 0 ; i < NodeNumber; i++, FirstParCirc += delta)
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aPrims->AddVertex(ElCLib::Value( FirstParCirc, FilletCirc ));
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Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
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HasCircle = Standard_True;
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Handle(Geom_Circle) Circle = new Geom_Circle( FilletCirc );
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TrimCurve = new Geom_TrimmedCurve( Circle, FirstParCirc, LastParCirc );
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}
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else // null or PI anle or Radius = 0
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{
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HasCircle = Standard_False;
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}
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// Line from position to intersection point on fillet's circle (EndOfArrow)
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Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(DrawPosition);
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aPrims->AddVertex(EndOfArrow);
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Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
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// Drawing the text
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Prs3d_Text::Draw (Prs3d_Root::CurrentGroup (aPresentation), LA->TextAspect(), aText, DrawPosition);
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// Add presentation of arrows
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DsgPrs::ComputeSymbol( aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs );
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}
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