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213 lines
7.2 KiB
C++
213 lines
7.2 KiB
C++
// Created on: 1996-08-21
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// Created by: Jacques MINOT
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// Copyright (c) 1996-1999 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
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// under the terms of the GNU Lesser General Public 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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// modified 12-january-98
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// Sergey ZARITCHNY
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// szy
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#include <DsgPrs_DiameterPresentation.ixx>
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#include <Prs3d_LineAspect.hxx>
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#include <Prs3d_TextAspect.hxx>
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#include <Prs3d_DimensionAspect.hxx>
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#include <Prs3d_Arrow.hxx>
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#include <Prs3d_Text.hxx>
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#include <Prs3d_ArrowAspect.hxx>
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#include <Graphic3d_Group.hxx>
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#include <Graphic3d_ArrayOfSegments.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Vec.hxx>
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#include <ElCLib.hxx>
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#include <Graphic3d_Vertex.hxx>
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#include <Graphic3d_AspectMarker3d.hxx>
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#include <Graphic3d_AspectLine3d.hxx>
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#include <Aspect_TypeOfLine.hxx>
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#include <Aspect_TypeOfMarker.hxx>
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#include <Aspect_AspectMarker.hxx>
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#include <Quantity_Color.hxx>
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#include <DsgPrs.hxx>
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//==========================================================================
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// function : DsgPrs_DiameterPresentation::Add
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// purpose : it is possible to choose the symbol of extremities of the face (arrow, point ...)
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//==========================================================================
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void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const TCollection_ExtendedString& aText,
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const gp_Pnt& AttachmentPoint,
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const gp_Circ& aCircle,
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const DsgPrs_ArrowSide ArrowPrs,
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const Standard_Boolean IsDiamSymbol )
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{
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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 parat = ElCLib::Parameter(aCircle, AttachmentPoint);
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gp_Pnt ptoncirc = ElCLib::Value (parat, aCircle);
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// sideline
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gp_Pnt center = aCircle.Location();
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gp_Vec vecrap (ptoncirc,center);
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if (vecrap.SquareMagnitude() < Precision::Confusion())
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return;
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Standard_Real dist = center.Distance(AttachmentPoint);
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Standard_Real aRadius = aCircle.Radius();
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Standard_Boolean inside = (dist < aRadius);
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gp_Pnt pt1 = AttachmentPoint;
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if (inside) {
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pt1 = ptoncirc;
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dist = aRadius;
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}
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vecrap.Normalize();
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vecrap *= (dist+aRadius);
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gp_Pnt OppositePoint = pt1.Translated(vecrap);
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Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
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aPrims->AddVertex(pt1);
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aPrims->AddVertex(OppositePoint);
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Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
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// value
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TCollection_ExtendedString Text = aText;
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if(IsDiamSymbol)
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Text = TCollection_ExtendedString("\330 ") + aText; // VRO (2007-05-17) inserted a blank.
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Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, AttachmentPoint);
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// arrows
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gp_Dir arrdir (vecrap);
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if (inside) arrdir.Reverse();
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gp_Vec vecrap2 = vecrap;
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gp_Pnt ptoncirc2 = ptoncirc;
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gp_Dir arrdir2 = arrdir;
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vecrap2.Normalize();
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vecrap2 *= (aCircle.Radius() * 2.);
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ptoncirc2.Translate (vecrap2);
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arrdir2.Reverse();
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DsgPrs::ComputeSymbol(aPresentation,LA,ptoncirc,ptoncirc2,arrdir,arrdir2,ArrowPrs);
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}
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static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
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const Standard_Real lpar,
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const Standard_Real para)
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{
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if (fpar >= 0.) {
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if(lpar > fpar)
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return ((para >= fpar) && (para <= lpar));
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else { // fpar > lpar
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Standard_Real delta = 2.*M_PI-fpar;
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Standard_Real lp, par, fp;
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lp = lpar + delta;
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par = para + delta;
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while(lp > 2*M_PI) lp-=2*M_PI;
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while(par > 2*M_PI) par-=2*M_PI;
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fp = 0.;
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return ((par >= fp) && (par <= lp));
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}
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}
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if (para >= (fpar+2*M_PI)) return Standard_True;
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if (para <= lpar) return Standard_True;
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return Standard_False;
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}
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//=======================================================================
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//function : DsgPrs_DiameterPresentation::Add
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//purpose : SZY 12-february-98
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//=======================================================================
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void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
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const Handle(Prs3d_Drawer)& aDrawer,
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const TCollection_ExtendedString& aText,
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const gp_Pnt& AttachmentPoint,
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const gp_Circ& aCircle,
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const Standard_Real uFirst,
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const Standard_Real uLast,
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const DsgPrs_ArrowSide ArrowPrs,//ArrowSide
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const Standard_Boolean IsDiamSymbol )
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{
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Standard_Real fpara = uFirst;
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Standard_Real lpara = uLast;
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while (lpara > 2.*M_PI) {
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fpara -= 2.*M_PI;
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lpara -= 2.*M_PI;
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}
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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 parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint);
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gp_Pnt EndOfArrow;
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gp_Pnt DrawPosition = AttachmentPoint;// point of attachment
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Standard_Boolean otherside = Standard_False;
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gp_Pnt Center = aCircle.Location();
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gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle);
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gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle);
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if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) {
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Standard_Real otherpar = parEndOfArrow + M_PI;// not in domain
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if (otherpar > 2*M_PI) otherpar -= 2*M_PI;
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if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
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parEndOfArrow = otherpar; // parameter on circle
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EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
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otherside = Standard_True;
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}
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else {
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gp_Dir dir1(gp_Vec(Center, FirstPoint));
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gp_Dir dir2(gp_Vec(Center, SecondPoint));
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gp_Lin L1( Center, dir1 );
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gp_Lin L2( Center, dir2 );
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if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint))
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{
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EndOfArrow = FirstPoint; //***
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DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1);
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}
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else
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{
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EndOfArrow = SecondPoint; //***
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DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2);
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}
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}
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}
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else {
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EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
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DrawPosition = AttachmentPoint;
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}
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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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// text
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TCollection_ExtendedString Text = aText;
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if(IsDiamSymbol)
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Text = TCollection_ExtendedString("\330 ") + Text;// => \330 | \370?
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Prs3d_Text::Draw(aPresentation,LA->TextAspect(),Text,DrawPosition);
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// Add presentation of arrow
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gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ());
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DsgPrs::ComputeSymbol(aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs);
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}
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