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

// Copyright: 	Matra-Datavision 1996
// File:	DsgPrs_DiameterPresentation.cxx
// Created:	Wed Aug 21 15:36:02 1996
// Author:	Jacques MINOT
//		<jmi>
//              modified 12-january-98
//              Sergey ZARITCHNY
//		<szy@androxx.nnov.matra-dtv.fr>
//              szy
#include <DsgPrs_DiameterPresentation.ixx>

#include <Prs3d_LineAspect.hxx>
#include <Prs3d_TextAspect.hxx>
#include <Prs3d_LengthAspect.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_Text.hxx>
#include <Prs3d_ArrowAspect.hxx>

#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>

#include <gp_Dir.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>

#include <ElCLib.hxx>

#include <Graphic3d_Vertex.hxx>
#include <Graphic3d_AspectMarker3d.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Aspect_TypeOfLine.hxx>
#include <Aspect_TypeOfMarker.hxx>
#include <Aspect_AspectMarker.hxx>
#include <Quantity_Color.hxx>
#include <DsgPrs.hxx>

//==========================================================================
// function : DsgPrs_DiameterPresentation::Add
// purpose  : it is possible to choose the symbol of extremities of the face (arrow, point ...)
//==========================================================================
void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
				       const Handle(Prs3d_Drawer)& aDrawer,
				       const TCollection_ExtendedString& aText,
				       const gp_Pnt& AttachmentPoint,
				       const gp_Circ& aCircle,
   				       const DsgPrs_ArrowSide ArrowPrs,
				       const Standard_Boolean IsDiamSymbol )
{


  Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
  Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());

  Standard_Real parat    = ElCLib::Parameter(aCircle, AttachmentPoint);
  gp_Pnt        ptoncirc = ElCLib::Value    (parat, aCircle);

  // sideline

  gp_Pnt        center  = aCircle.Location();
  gp_Vec        vecrap  (ptoncirc,center);

  Standard_Real dist    = center.Distance(AttachmentPoint);
  Standard_Real aRadius = aCircle.Radius();
  Standard_Boolean inside  = Standard_False;

  gp_Pnt pt1 = AttachmentPoint;
  if (dist < aRadius) {
    pt1 = ptoncirc;
    dist = aRadius;
    inside = Standard_True;
  }
  vecrap.Normalize();
  vecrap *= (dist+aRadius);
  gp_Pnt        OppositePoint = pt1.Translated(vecrap);

  
  Graphic3d_Array1OfVertex V(1,2);
  Quantity_Length X,Y,Z;
  pt1.Coord(X,Y,Z);
  V(1).SetCoord(X,Y,Z);
  OppositePoint.Coord(X,Y,Z);
  V(2).SetCoord(X,Y,Z);
  Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);

  // value
  TCollection_ExtendedString Text = aText;
  if(IsDiamSymbol) 
    Text = TCollection_ExtendedString("\330  ") +  aText; // VRO (2007-05-17) inserted a blank.
  Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, AttachmentPoint);

  // arrows

  gp_Dir arrdir (vecrap);
  if (inside) arrdir.Reverse();


  gp_Vec vecrap2 = vecrap; 
  gp_Pnt ptoncirc2 = ptoncirc;
  gp_Dir arrdir2 = arrdir;
  vecrap2.Normalize();
  vecrap2 *= (aCircle.Radius() * 2.);
  ptoncirc2.Translate (vecrap2);
  arrdir2.Reverse();

  DsgPrs::ComputeSymbol(aPresentation,LA,ptoncirc,ptoncirc2,arrdir,arrdir2,ArrowPrs);
}


static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
					const Standard_Real lpar,
					const Standard_Real para) 
{
 if (fpar >= 0.) {
    if(lpar > fpar)
      return ((para >= fpar) && (para <= lpar));
    else { // fpar > lpar
      Standard_Real delta = 2*PI-fpar;
      Standard_Real lp, par, fp;
      lp = lpar + delta;
      par = para + delta;
      while(lp > 2*PI) lp-=2*PI;
      while(par > 2*PI) par-=2*PI;
      fp = 0.;
      return ((par >= fp) && (par <= lp));
    }
      
  }
  if (para >= (fpar+2*PI)) return Standard_True;
  if (para <= lpar) return Standard_True;
  return Standard_False;
}


//=======================================================================
//function : DsgPrs_DiameterPresentation::Add
//purpose  : SZY 12-february-98
//=======================================================================

void DsgPrs_DiameterPresentation::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 uFirst,
				       const Standard_Real uLast,
				       const DsgPrs_ArrowSide ArrowPrs,//ArrowSide
				       const Standard_Boolean IsDiamSymbol )
{
  Standard_Real fpara = uFirst;
  Standard_Real lpara = uLast;
  while (lpara > 2*PI) {
    fpara -= 2*PI;
    lpara -= 2*PI;
  }

  Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
//  Handle(Prs3d_TextAspect) TA = aDrawer->TextAspect();
  Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// AspectText3d from Graphic3d
  Standard_Real parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint); //
  gp_Pnt EndOfArrow;
  gp_Pnt DrawPosition = AttachmentPoint;// point of attachment
  Standard_Boolean otherside = Standard_False;

  gp_Pnt Center = aCircle.Location();
  gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle);
  gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle);

  if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) {
    Standard_Real otherpar = parEndOfArrow + PI;// not in domain
    if (otherpar > 2*PI) otherpar -= 2*PI;
    if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
      parEndOfArrow = otherpar; // parameter on circle
      EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
      otherside = Standard_True;
    }
    else {
      gp_Dir dir1(gp_Vec(Center, FirstPoint));
      gp_Dir dir2(gp_Vec(Center, SecondPoint));
      gp_Lin L1( Center, dir1 );
      gp_Lin L2( Center, dir2 );
      if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint))
	{
	  EndOfArrow = FirstPoint; //***
	  DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1);	
	}
      else
	{
	  EndOfArrow = SecondPoint; //***
	  DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2);
	}      
    }
//    EndOfArrow   = ElCLib::Value(parEndOfArrow, aCircle);
//    DrawPosition = AttachmentPoint;
  } 
  else {
    EndOfArrow   = ElCLib::Value(parEndOfArrow, aCircle);
    DrawPosition = AttachmentPoint;
  }
  Graphic3d_Array1OfVertex Vrap(1,2);

  Quantity_Length X,Y,Z;

  DrawPosition.Coord(X,Y,Z);
  Vrap(1).SetCoord(X,Y,Z);

  EndOfArrow.Coord(X,Y,Z);
  Vrap(2).SetCoord(X,Y,Z);

  Prs3d_Root::CurrentGroup(aPresentation)->Polyline(Vrap);

  // text
  TCollection_ExtendedString Text = aText;
  if(IsDiamSymbol)
    Text = TCollection_ExtendedString("\330 ") +  Text;//  => \330 | \370?
  Prs3d_Text::Draw(aPresentation,LA->TextAspect(),Text,DrawPosition);

// Add presentation of arrow 
  gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ()); 
  DsgPrs::ComputeSymbol(aPresentation, LA,  EndOfArrow,  EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs);

}
Commit	Line	Data
7fd59977	1	// Copyright: Matra-Datavision 1996
	2	// File: DsgPrs_DiameterPresentation.cxx
	3	// Created: Wed Aug 21 15:36:02 1996
	4	// Author: Jacques MINOT
	5	// <jmi>
	6	// modified 12-january-98
	7	// Sergey ZARITCHNY
	8	// <szy@androxx.nnov.matra-dtv.fr>
	9	// szy
	10	#include <DsgPrs_DiameterPresentation.ixx>
	11
	12	#include <Prs3d_LineAspect.hxx>
	13	#include <Prs3d_TextAspect.hxx>
	14	#include <Prs3d_LengthAspect.hxx>
	15	#include <Prs3d_Arrow.hxx>
	16	#include <Prs3d_Text.hxx>
	17	#include <Prs3d_ArrowAspect.hxx>
	18
	19	#include <Graphic3d_Group.hxx>
	20	#include <Graphic3d_Array1OfVertex.hxx>
	21
	22	#include <gp_Dir.hxx>
	23	#include <gp_Pnt.hxx>
	24	#include <gp_Vec.hxx>
	25
	26	#include <ElCLib.hxx>
	27
	28	#include <Graphic3d_Vertex.hxx>
	29	#include <Graphic3d_AspectMarker3d.hxx>
	30	#include <Graphic3d_AspectLine3d.hxx>
	31	#include <Aspect_TypeOfLine.hxx>
	32	#include <Aspect_TypeOfMarker.hxx>
	33	#include <Aspect_AspectMarker.hxx>
	34	#include <Quantity_Color.hxx>
	35	#include <DsgPrs.hxx>
	36
	37	//==========================================================================
	38	// function : DsgPrs_DiameterPresentation::Add
81bba717	39	// purpose : it is possible to choose the symbol of extremities of the face (arrow, point ...)
7fd59977	40	//==========================================================================
	41	void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
	42	const Handle(Prs3d_Drawer)& aDrawer,
	43	const TCollection_ExtendedString& aText,
	44	const gp_Pnt& AttachmentPoint,
	45	const gp_Circ& aCircle,
	46	const DsgPrs_ArrowSide ArrowPrs,
	47	const Standard_Boolean IsDiamSymbol )
	48	{
	49
	50
	51	Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
	52	Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
	53
	54	Standard_Real parat = ElCLib::Parameter(aCircle, AttachmentPoint);
	55	gp_Pnt ptoncirc = ElCLib::Value (parat, aCircle);
	56
81bba717	57	// sideline
7fd59977	58
	59	gp_Pnt center = aCircle.Location();
	60	gp_Vec vecrap (ptoncirc,center);
	61
	62	Standard_Real dist = center.Distance(AttachmentPoint);
	63	Standard_Real aRadius = aCircle.Radius();
	64	Standard_Boolean inside = Standard_False;
	65
	66	gp_Pnt pt1 = AttachmentPoint;
	67	if (dist < aRadius) {
	68	pt1 = ptoncirc;
	69	dist = aRadius;
	70	inside = Standard_True;
	71	}
	72	vecrap.Normalize();
	73	vecrap *= (dist+aRadius);
	74	gp_Pnt OppositePoint = pt1.Translated(vecrap);
	75
	76
	77	Graphic3d_Array1OfVertex V(1,2);
	78	Quantity_Length X,Y,Z;
	79	pt1.Coord(X,Y,Z);
	80	V(1).SetCoord(X,Y,Z);
	81	OppositePoint.Coord(X,Y,Z);
	82	V(2).SetCoord(X,Y,Z);
	83	Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
	84
	85	// value
	86	TCollection_ExtendedString Text = aText;
	87	if(IsDiamSymbol)
	88	Text = TCollection_ExtendedString("\330 ") + aText; // VRO (2007-05-17) inserted a blank.
	89	Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, AttachmentPoint);
	90
	91	// arrows
	92
	93	gp_Dir arrdir (vecrap);
	94	if (inside) arrdir.Reverse();
	95
	96
	97	gp_Vec vecrap2 = vecrap;
	98	gp_Pnt ptoncirc2 = ptoncirc;
	99	gp_Dir arrdir2 = arrdir;
	100	vecrap2.Normalize();
	101	vecrap2 = (aCircle.Radius() 2.);
	102	ptoncirc2.Translate (vecrap2);
	103	arrdir2.Reverse();
	104
	105	DsgPrs::ComputeSymbol(aPresentation,LA,ptoncirc,ptoncirc2,arrdir,arrdir2,ArrowPrs);
	106	}
	107
	108
	109	static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
	110	const Standard_Real lpar,
	111	const Standard_Real para)
	112	{
	113	if (fpar >= 0.) {
	114	if(lpar > fpar)
	115	return ((para >= fpar) && (para <= lpar));
	116	else { // fpar > lpar
	117	Standard_Real delta = 2*PI-fpar;
	118	Standard_Real lp, par, fp;
	119	lp = lpar + delta;
	120	par = para + delta;
	121	while(lp > 2PI) lp-=2PI;
122	while(par > 2PI) par-=2PI;
123	fp = 0.;
124	return ((par >= fp) && (par <= lp));
125	}
126
127	}
128	if (para >= (fpar+2*PI)) return Standard_True;
129	if (para <= lpar) return Standard_True;
130	return Standard_False;
131	}
132
133
134	//=======================================================================
135	//function : DsgPrs_DiameterPresentation::Add
136	//purpose : SZY 12-february-98
137	//=======================================================================
138
139	void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
140	const Handle(Prs3d_Drawer)& aDrawer,
141	const TCollection_ExtendedString& aText,
142	const gp_Pnt& AttachmentPoint,
143	const gp_Circ& aCircle,
144	const Standard_Real uFirst,
145	const Standard_Real uLast,
146	const DsgPrs_ArrowSide ArrowPrs,//ArrowSide
147	const Standard_Boolean IsDiamSymbol )
148	{
149	Standard_Real fpara = uFirst;
150	Standard_Real lpara = uLast;
151	while (lpara > 2*PI) {
152	fpara -= 2*PI;
153	lpara -= 2*PI;
154	}
155
156	Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
157	// Handle(Prs3d_TextAspect) TA = aDrawer->TextAspect();
158	Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
159	// AspectText3d from Graphic3d
160	Standard_Real parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint); //
161	gp_Pnt EndOfArrow;
81bba717	162	gp_Pnt DrawPosition = AttachmentPoint;// point of attachment
7fd59977	163	Standard_Boolean otherside = Standard_False;
	164
	165	gp_Pnt Center = aCircle.Location();
	166	gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle);
	167	gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle);
	168
	169	if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) {
	170	Standard_Real otherpar = parEndOfArrow + PI;// not in domain
	171	if (otherpar > 2PI) otherpar -= 2PI;
	172	if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
	173	parEndOfArrow = otherpar; // parameter on circle
	174	EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
	175	otherside = Standard_True;
	176	}
	177	else {
	178	gp_Dir dir1(gp_Vec(Center, FirstPoint));
	179	gp_Dir dir2(gp_Vec(Center, SecondPoint));
	180	gp_Lin L1( Center, dir1 );
	181	gp_Lin L2( Center, dir2 );
	182	if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint))
	183	{
	184	EndOfArrow = FirstPoint; //***
	185	DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1);
	186	}
	187	else
	188	{
	189	EndOfArrow = SecondPoint; //***
	190	DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2);
	191	}
	192	}
	193	// EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
	194	// DrawPosition = AttachmentPoint;
	195	}
	196	else {
	197	EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
	198	DrawPosition = AttachmentPoint;
	199	}
	200	Graphic3d_Array1OfVertex Vrap(1,2);
	201
	202	Quantity_Length X,Y,Z;
	203
	204	DrawPosition.Coord(X,Y,Z);
	205	Vrap(1).SetCoord(X,Y,Z);
	206
	207	EndOfArrow.Coord(X,Y,Z);
	208	Vrap(2).SetCoord(X,Y,Z);
	209
	210	Prs3d_Root::CurrentGroup(aPresentation)->Polyline(Vrap);
	211
	212	// text
	213	TCollection_ExtendedString Text = aText;
	214	if(IsDiamSymbol)
	215	Text = TCollection_ExtendedString("\330 ") + Text;// => \330 \| \370?
	216	Prs3d_Text::Draw(aPresentation,LA->TextAspect(),Text,DrawPosition);
	217
	218	// Add presentation of arrow
	219	gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ());
	220	DsgPrs::ComputeSymbol(aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs);
	221
	222	}