[occt.git] / src / DsgPrs / DsgPrs_RadiusPresentation.cxx

// 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();
  Prs3d_Root::CurrentGroup(aPresentation)->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);
  Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);

  gp_Dir arrdir = L.Direction();
  if (reverseArrow)
    arrdir.Reverse();

  // fleche
  Prs3d_Arrow::Draw(aPresentation,ptoncirc,arrdir,LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());

  // texte
  Prs3d_Text::Draw(aPresentation,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();
  Prs3d_Root::CurrentGroup( aPresentation )->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);
  Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);

  // text
  Prs3d_Text::Draw( aPresentation, 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 );
}
Commit	Line	Data
b311480e	1	// Created on: 1995-03-01
	2	// Created by: Arnaud BOUZY
	3	// Copyright (c) 1995-1999 Matra Datavision
973c2be1	4	// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e	5	//
973c2be1	6	// This file is part of Open CASCADE Technology software library.
b311480e	7	//
d5f74e42	8	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	9	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	10	// by the Free Software Foundation, with special exception defined in the file
	11	// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
	12	// distribution for complete text of the license and disclaimer of any warranty.
b311480e	13	//
973c2be1	14	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	15	// commercial license or contractual agreement.
b311480e	16
b6472664	17	#include <DsgPrs_RadiusPresentation.hxx>
7fd59977	18
42cf5bc1	19	#include <DsgPrs.hxx>
7fd59977	20	#include <ElCLib.hxx>
42cf5bc1	21	#include <gce_MakeDir.hxx>
	22	#include <gce_MakeLin.hxx>
	23	#include <gp_Circ.hxx>
	24	#include <gp_Dir.hxx>
	25	#include <gp_Lin.hxx>
	26	#include <gp_Pnt.hxx>
b8ddfc2f	27	#include <Graphic3d_ArrayOfSegments.hxx>
42cf5bc1	28	#include <Graphic3d_AspectLine3d.hxx>
	29	#include <Graphic3d_AspectMarker3d.hxx>
	30	#include <Graphic3d_Group.hxx>
42cf5bc1	31	#include <Precision.hxx>
7fd59977	32	#include <Prs3d_Arrow.hxx>
7fd59977	33	#include <Prs3d_ArrowAspect.hxx>
a6eb515f	34	#include <Prs3d_DimensionAspect.hxx>
42cf5bc1	35	#include <Prs3d_LineAspect.hxx>
42cf5bc1	36	#include <Prs3d_Presentation.hxx>
7fd59977	37	#include <Prs3d_Text.hxx>
42cf5bc1	38	#include <TCollection_ExtendedString.hxx>
7fd59977	39
7fd59977	40	static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
b8ddfc2f	41	const Standard_Real lpar,
b8ddfc2f	42	const Standard_Real para)
7fd59977	43	{
b8ddfc2f	44	if (fpar >= 0.)
7fd59977	45	return ((para >= fpar) && (para <= lpar));
b8ddfc2f	46	if (para >= (fpar+2.*M_PI)) return Standard_True;
7fd59977	47	if (para <= lpar) return Standard_True;
	48	return Standard_False;
	49	}
	50
	51	//=======================================================================
	52	//function : Add
	53	//purpose :
	54	//=======================================================================
	55
	56	void DsgPrs_RadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
	57	const Handle(Prs3d_Drawer)& aDrawer,
	58	const TCollection_ExtendedString& aText,
	59	const gp_Pnt& AttachmentPoint,
	60	const gp_Circ& aCircle,
	61	const Standard_Real firstparam,
	62	const Standard_Real lastparam,
	63	const Standard_Boolean drawFromCenter,
	64	const Standard_Boolean reverseArrow)
	65	{
	66	Standard_Real fpara = firstparam;
	67	Standard_Real lpara = lastparam;
b8ddfc2f	68	while (lpara > 2.*M_PI) {
	69	fpara -= 2.*M_PI;
	70	lpara -= 2.*M_PI;
7fd59977	71	}
a6eb515f	72	Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
7fd59977	73	Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
b8ddfc2f	74
7fd59977	75	Standard_Real parat = ElCLib::Parameter(aCircle,AttachmentPoint);
	76	gp_Pnt attpoint = AttachmentPoint;
	77	Standard_Boolean otherside = Standard_False;
	78	if ( !DsgPrs_InDomain(fpara,lpara,parat)) {
c6541a0c	79	Standard_Real otherpar = parat + M_PI;
b8ddfc2f	80	if (otherpar > 2.M_PI) otherpar -= 2.M_PI;
7fd59977	81	if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
	82	parat = otherpar;
	83	otherside = Standard_True;
	84	}
	85	else {
b8ddfc2f	86	const Standard_Real ecartpar = Min(Abs(fpara-parat),Abs(lpara-parat));
b8ddfc2f	87	const Standard_Real ecartoth = Min(Abs(fpara-otherpar),Abs(lpara-otherpar));
7fd59977	88	if (ecartpar <= ecartoth) {
b8ddfc2f	89	parat = (parat < fpara)? fpara : lpara;
7fd59977	90	}
7fd59977	91	else {
b8ddfc2f	92	otherside = Standard_True;
b8ddfc2f	93	parat = (otherpar < fpara)? fpara : lpara;
7fd59977	94	}
7fd59977	95	gp_Pnt ptdir = ElCLib::Value(parat,aCircle);
b8ddfc2f	96	gp_Lin lsup(aCircle.Location(),gp_Dir(ptdir.XYZ()-aCircle.Location().XYZ()));
b8ddfc2f	97	const Standard_Real parpos = ElCLib::Parameter(lsup,AttachmentPoint);
7fd59977	98	attpoint = ElCLib::Value(parpos,lsup);
	99	}
	100	}
	101	gp_Pnt ptoncirc = ElCLib::Value(parat,aCircle);
	102	gp_Lin L (aCircle.Location(),gp_Dir(attpoint.XYZ()-aCircle.Location().XYZ()));
	103	gp_Pnt firstpoint = attpoint;
	104	gp_Pnt drawtopoint = ptoncirc;
	105	if (drawFromCenter && !otherside) {
b8ddfc2f	106	const Standard_Real uatt = ElCLib::Parameter(L,attpoint);
	107	const Standard_Real uptc = ElCLib::Parameter(L,ptoncirc);
	108	if (Abs(uatt) > Abs(uptc))
7fd59977	109	drawtopoint = aCircle.Location();
b8ddfc2f	110	else
7fd59977	111	firstpoint = aCircle.Location();
7fd59977	112	}
7fd59977	113
b8ddfc2f	114	Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
	115	aPrims->AddVertex(firstpoint);
	116	aPrims->AddVertex(drawtopoint);
	117	Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977	118
7fd59977	119	gp_Dir arrdir = L.Direction();
b8ddfc2f	120	if (reverseArrow)
7fd59977	121	arrdir.Reverse();
b8ddfc2f	122
7fd59977	123	// fleche
a6eb515f	124	Prs3d_Arrow::Draw(aPresentation,ptoncirc,arrdir,LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
7fd59977	125
	126	// texte
	127	Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,attpoint);
7fd59977	128	}
	129
	130	//=======================================================================
	131	//function : DsgPrs_RadiusPresentation::Add
	132	//purpose : SZY 20-february-98
	133	// : adds radius representation according drawFromCenter value
	134	//=======================================================================
	135
	136	void DsgPrs_RadiusPresentation::Add( const Handle(Prs3d_Presentation)& aPresentation,
	137	const Handle(Prs3d_Drawer)& aDrawer,
	138	const TCollection_ExtendedString& aText,
	139	const gp_Pnt& AttachmentPoint,
	140	const gp_Pnt& Center,
	141	const gp_Pnt& EndOfArrow,
	142	const DsgPrs_ArrowSide ArrowPrs,
	143	const Standard_Boolean drawFromCenter,
	144	const Standard_Boolean reverseArrow)
	145	{
a6eb515f	146	Handle( Prs3d_DimensionAspect ) LA = aDrawer->DimensionAspect();
7fd59977	147	Prs3d_Root::CurrentGroup( aPresentation )->SetPrimitivesAspect( LA->LineAspect()->Aspect() );
7fd59977	148
b8ddfc2f	149	gp_Pnt LineOrigin, LineEnd;
b8ddfc2f	150	DsgPrs::ComputeRadiusLine(Center, EndOfArrow, AttachmentPoint, drawFromCenter, LineOrigin, LineEnd);
7fd59977	151
b8ddfc2f	152	Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
	153	aPrims->AddVertex(LineOrigin);
	154	aPrims->AddVertex(LineEnd);
	155	Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977	156
7fd59977	157	// text
	158	Prs3d_Text::Draw( aPresentation, LA->TextAspect(), aText, AttachmentPoint );
	159
	160	gp_Dir ArrowDir = gce_MakeDir( LineOrigin , LineEnd );
	161	if (reverseArrow)
	162	ArrowDir.Reverse();
b8ddfc2f	163	DsgPrs::ComputeSymbol( aPresentation, LA, Center, EndOfArrow, ArrowDir.Reversed(), ArrowDir, ArrowPrs, drawFromCenter );
7fd59977	164	}