mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-06-25 12:04:07 +03:00
165 lines
6.1 KiB
C++
165 lines
6.1 KiB
C++
// Created on: 1995-03-01
|
|
// Created by: Arnaud BOUZY
|
|
// Copyright (c) 1995-1999 Matra Datavision
|
|
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it under
|
|
// the terms of the GNU Lesser General Public License version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
#include <DsgPrs_RadiusPresentation.hxx>
|
|
|
|
#include <DsgPrs.hxx>
|
|
#include <ElCLib.hxx>
|
|
#include <gce_MakeDir.hxx>
|
|
#include <gce_MakeLin.hxx>
|
|
#include <gp_Circ.hxx>
|
|
#include <gp_Dir.hxx>
|
|
#include <gp_Lin.hxx>
|
|
#include <gp_Pnt.hxx>
|
|
#include <Graphic3d_ArrayOfSegments.hxx>
|
|
#include <Graphic3d_AspectLine3d.hxx>
|
|
#include <Graphic3d_AspectMarker3d.hxx>
|
|
#include <Graphic3d_Group.hxx>
|
|
#include <Precision.hxx>
|
|
#include <Prs3d_Arrow.hxx>
|
|
#include <Prs3d_ArrowAspect.hxx>
|
|
#include <Prs3d_DimensionAspect.hxx>
|
|
#include <Prs3d_LineAspect.hxx>
|
|
#include <Prs3d_Presentation.hxx>
|
|
#include <Prs3d_Text.hxx>
|
|
#include <TCollection_ExtendedString.hxx>
|
|
|
|
static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
|
|
const Standard_Real lpar,
|
|
const Standard_Real para)
|
|
{
|
|
if (fpar >= 0.)
|
|
return ((para >= fpar) && (para <= lpar));
|
|
if (para >= (fpar+2.*M_PI)) return Standard_True;
|
|
if (para <= lpar) return Standard_True;
|
|
return Standard_False;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : Add
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
void DsgPrs_RadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
|
|
const Handle(Prs3d_Drawer)& aDrawer,
|
|
const TCollection_ExtendedString& aText,
|
|
const gp_Pnt& AttachmentPoint,
|
|
const gp_Circ& aCircle,
|
|
const Standard_Real firstparam,
|
|
const Standard_Real lastparam,
|
|
const Standard_Boolean drawFromCenter,
|
|
const Standard_Boolean reverseArrow)
|
|
{
|
|
Standard_Real fpara = firstparam;
|
|
Standard_Real lpara = lastparam;
|
|
while (lpara > 2.*M_PI) {
|
|
fpara -= 2.*M_PI;
|
|
lpara -= 2.*M_PI;
|
|
}
|
|
Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
|
|
aPresentation->CurrentGroup()->SetPrimitivesAspect(LA->LineAspect()->Aspect());
|
|
|
|
Standard_Real parat = ElCLib::Parameter(aCircle,AttachmentPoint);
|
|
gp_Pnt attpoint = AttachmentPoint;
|
|
Standard_Boolean otherside = Standard_False;
|
|
if ( !DsgPrs_InDomain(fpara,lpara,parat)) {
|
|
Standard_Real otherpar = parat + M_PI;
|
|
if (otherpar > 2.*M_PI) otherpar -= 2.*M_PI;
|
|
if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
|
|
parat = otherpar;
|
|
otherside = Standard_True;
|
|
}
|
|
else {
|
|
const Standard_Real ecartpar = Min(Abs(fpara-parat),Abs(lpara-parat));
|
|
const Standard_Real ecartoth = Min(Abs(fpara-otherpar),Abs(lpara-otherpar));
|
|
if (ecartpar <= ecartoth) {
|
|
parat = (parat < fpara)? fpara : lpara;
|
|
}
|
|
else {
|
|
otherside = Standard_True;
|
|
parat = (otherpar < fpara)? fpara : lpara;
|
|
}
|
|
gp_Pnt ptdir = ElCLib::Value(parat,aCircle);
|
|
gp_Lin lsup(aCircle.Location(),gp_Dir(ptdir.XYZ()-aCircle.Location().XYZ()));
|
|
const Standard_Real parpos = ElCLib::Parameter(lsup,AttachmentPoint);
|
|
attpoint = ElCLib::Value(parpos,lsup);
|
|
}
|
|
}
|
|
gp_Pnt ptoncirc = ElCLib::Value(parat,aCircle);
|
|
gp_Lin L (aCircle.Location(),gp_Dir(attpoint.XYZ()-aCircle.Location().XYZ()));
|
|
gp_Pnt firstpoint = attpoint;
|
|
gp_Pnt drawtopoint = ptoncirc;
|
|
if (drawFromCenter && !otherside) {
|
|
const Standard_Real uatt = ElCLib::Parameter(L,attpoint);
|
|
const Standard_Real uptc = ElCLib::Parameter(L,ptoncirc);
|
|
if (Abs(uatt) > Abs(uptc))
|
|
drawtopoint = aCircle.Location();
|
|
else
|
|
firstpoint = aCircle.Location();
|
|
}
|
|
|
|
Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
|
|
aPrims->AddVertex(firstpoint);
|
|
aPrims->AddVertex(drawtopoint);
|
|
aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
|
|
|
|
gp_Dir arrdir = L.Direction();
|
|
if (reverseArrow)
|
|
arrdir.Reverse();
|
|
|
|
// fleche
|
|
Prs3d_Arrow::Draw (aPresentation->CurrentGroup(), ptoncirc, arrdir, LA->ArrowAspect()->Angle(), LA->ArrowAspect()->Length());
|
|
|
|
// texte
|
|
Prs3d_Text::Draw (aPresentation->CurrentGroup(), LA->TextAspect(), aText, attpoint);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : DsgPrs_RadiusPresentation::Add
|
|
//purpose : SZY 20-february-98
|
|
// : adds radius representation according drawFromCenter value
|
|
//=======================================================================
|
|
|
|
void DsgPrs_RadiusPresentation::Add( const Handle(Prs3d_Presentation)& aPresentation,
|
|
const Handle(Prs3d_Drawer)& aDrawer,
|
|
const TCollection_ExtendedString& aText,
|
|
const gp_Pnt& AttachmentPoint,
|
|
const gp_Pnt& Center,
|
|
const gp_Pnt& EndOfArrow,
|
|
const DsgPrs_ArrowSide ArrowPrs,
|
|
const Standard_Boolean drawFromCenter,
|
|
const Standard_Boolean reverseArrow)
|
|
{
|
|
Handle( Prs3d_DimensionAspect ) LA = aDrawer->DimensionAspect();
|
|
aPresentation->CurrentGroup()->SetPrimitivesAspect( LA->LineAspect()->Aspect() );
|
|
|
|
gp_Pnt LineOrigin, LineEnd;
|
|
DsgPrs::ComputeRadiusLine(Center, EndOfArrow, AttachmentPoint, drawFromCenter, LineOrigin, LineEnd);
|
|
|
|
Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
|
|
aPrims->AddVertex(LineOrigin);
|
|
aPrims->AddVertex(LineEnd);
|
|
aPresentation->CurrentGroup()->AddPrimitiveArray(aPrims);
|
|
|
|
// text
|
|
Prs3d_Text::Draw (aPresentation->CurrentGroup(), LA->TextAspect(), aText, AttachmentPoint);
|
|
|
|
gp_Dir ArrowDir = gce_MakeDir( LineOrigin , LineEnd );
|
|
if (reverseArrow)
|
|
ArrowDir.Reverse();
|
|
DsgPrs::ComputeSymbol( aPresentation, LA, Center, EndOfArrow, ArrowDir.Reversed(), ArrowDir, ArrowPrs, drawFromCenter );
|
|
}
|