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

// Created on: 1996-08-21
// Created by: Jacques MINOT
// Copyright (c) 1996-1999 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.

//              modified 12-january-98
//              Sergey ZARITCHNY
//              szy
#include <DsgPrs_DiameterPresentation.ixx>

#include <Prs3d_LineAspect.hxx>
#include <Prs3d_TextAspect.hxx>
#include <Prs3d_DimensionAspect.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_Text.hxx>
#include <Prs3d_ArrowAspect.hxx>

#include <Graphic3d_Group.hxx>
#include <Graphic3d_ArrayOfSegments.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_DimensionAspect) LA = aDrawer->DimensionAspect();
  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 = (dist < aRadius);

  gp_Pnt pt1 = AttachmentPoint;
  if (inside) {
    pt1 = ptoncirc;
    dist = aRadius;
  }
  vecrap.Normalize();
  vecrap *= (dist+aRadius);
  gp_Pnt OppositePoint = pt1.Translated(vecrap);
  
  Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
  aPrims->AddVertex(pt1);
  aPrims->AddVertex(OppositePoint);
  Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);

  // 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.*M_PI-fpar;
      Standard_Real lp, par, fp;
      lp = lpar + delta;
      par = para + delta;
      while(lp > 2*M_PI) lp-=2*M_PI;
      while(par > 2*M_PI) par-=2*M_PI;
      fp = 0.;
      return ((par >= fp) && (par <= lp));
    }
  }
  if (para >= (fpar+2*M_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.*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 parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint);
  gp_Pnt EndOfArrow;
  gp_Pnt DrawPosition = AttachmentPoint;// point of attachment

  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 + M_PI;// not in domain
    if (otherpar > 2*M_PI) otherpar -= 2*M_PI;
    if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
      parEndOfArrow = otherpar; // parameter on circle
      EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
    }
    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);
      }      
    }
  } 
  else {
    EndOfArrow   = ElCLib::Value(parEndOfArrow, aCircle);
    DrawPosition = AttachmentPoint;
  }

  Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
  aPrims->AddVertex(DrawPosition);
  aPrims->AddVertex(EndOfArrow);
  Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);

  // 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
b311480e	1	// Created on: 1996-08-21
	2	// Created by: Jacques MINOT
	3	// Copyright (c) 1996-1999 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
7fd59977	17	// modified 12-january-98
7fd59977	18	// Sergey ZARITCHNY
7fd59977	19	// szy
	20	#include <DsgPrs_DiameterPresentation.ixx>
	21
	22	#include <Prs3d_LineAspect.hxx>
	23	#include <Prs3d_TextAspect.hxx>
a6eb515f	24	#include <Prs3d_DimensionAspect.hxx>
7fd59977	25	#include <Prs3d_Arrow.hxx>
	26	#include <Prs3d_Text.hxx>
	27	#include <Prs3d_ArrowAspect.hxx>
	28
	29	#include <Graphic3d_Group.hxx>
b8ddfc2f	30	#include <Graphic3d_ArrayOfSegments.hxx>
7fd59977	31
	32	#include <gp_Dir.hxx>
	33	#include <gp_Pnt.hxx>
	34	#include <gp_Vec.hxx>
	35
	36	#include <ElCLib.hxx>
	37
	38	#include <Graphic3d_Vertex.hxx>
	39	#include <Graphic3d_AspectMarker3d.hxx>
	40	#include <Graphic3d_AspectLine3d.hxx>
	41	#include <Aspect_TypeOfLine.hxx>
	42	#include <Aspect_TypeOfMarker.hxx>
	43	#include <Aspect_AspectMarker.hxx>
	44	#include <Quantity_Color.hxx>
	45	#include <DsgPrs.hxx>
	46
	47	//==========================================================================
	48	// function : DsgPrs_DiameterPresentation::Add
81bba717	49	// purpose : it is possible to choose the symbol of extremities of the face (arrow, point ...)
7fd59977	50	//==========================================================================
	51	void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
	52	const Handle(Prs3d_Drawer)& aDrawer,
	53	const TCollection_ExtendedString& aText,
	54	const gp_Pnt& AttachmentPoint,
	55	const gp_Circ& aCircle,
	56	const DsgPrs_ArrowSide ArrowPrs,
	57	const Standard_Boolean IsDiamSymbol )
	58	{
a6eb515f	59	Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
7fd59977	60	Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
	61
	62	Standard_Real parat = ElCLib::Parameter(aCircle, AttachmentPoint);
	63	gp_Pnt ptoncirc = ElCLib::Value (parat, aCircle);
	64
81bba717	65	// sideline
7fd59977	66	gp_Pnt center = aCircle.Location();
	67	gp_Vec vecrap (ptoncirc,center);
	68
	69	Standard_Real dist = center.Distance(AttachmentPoint);
	70	Standard_Real aRadius = aCircle.Radius();
b8ddfc2f	71	Standard_Boolean inside = (dist < aRadius);
7fd59977	72
7fd59977	73	gp_Pnt pt1 = AttachmentPoint;
b8ddfc2f	74	if (inside) {
7fd59977	75	pt1 = ptoncirc;
7fd59977	76	dist = aRadius;
7fd59977	77	}
	78	vecrap.Normalize();
	79	vecrap *= (dist+aRadius);
b8ddfc2f	80	gp_Pnt OppositePoint = pt1.Translated(vecrap);
7fd59977	81
b8ddfc2f	82	Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
	83	aPrims->AddVertex(pt1);
	84	aPrims->AddVertex(OppositePoint);
	85	Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977	86
	87	// value
	88	TCollection_ExtendedString Text = aText;
	89	if(IsDiamSymbol)
	90	Text = TCollection_ExtendedString("\330 ") + aText; // VRO (2007-05-17) inserted a blank.
	91	Prs3d_Text::Draw(aPresentation, LA->TextAspect(), Text, AttachmentPoint);
	92
	93	// arrows
7fd59977	94	gp_Dir arrdir (vecrap);
	95	if (inside) arrdir.Reverse();
	96
7fd59977	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
b8ddfc2f	117	Standard_Real delta = 2.*M_PI-fpar;
7fd59977	118	Standard_Real lp, par, fp;
	119	lp = lpar + delta;
	120	par = para + delta;
c6541a0c D	121	while(lp > 2M_PI) lp-=2M_PI;
c6541a0c D	122	while(par > 2M_PI) par-=2M_PI;
7fd59977	123	fp = 0.;
	124	return ((par >= fp) && (par <= lp));
	125	}
7fd59977	126	}
c6541a0c	127	if (para >= (fpar+2*M_PI)) return Standard_True;
7fd59977	128	if (para <= lpar) return Standard_True;
	129	return Standard_False;
	130	}
	131
	132
	133	//=======================================================================
	134	//function : DsgPrs_DiameterPresentation::Add
	135	//purpose : SZY 12-february-98
	136	//=======================================================================
	137
	138	void DsgPrs_DiameterPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
	139	const Handle(Prs3d_Drawer)& aDrawer,
	140	const TCollection_ExtendedString& aText,
	141	const gp_Pnt& AttachmentPoint,
	142	const gp_Circ& aCircle,
	143	const Standard_Real uFirst,
	144	const Standard_Real uLast,
	145	const DsgPrs_ArrowSide ArrowPrs,//ArrowSide
	146	const Standard_Boolean IsDiamSymbol )
	147	{
	148	Standard_Real fpara = uFirst;
	149	Standard_Real lpara = uLast;
b8ddfc2f	150	while (lpara > 2.*M_PI) {
	151	fpara -= 2.*M_PI;
	152	lpara -= 2.*M_PI;
7fd59977	153	}
7fd59977	154
a6eb515f	155	Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
7fd59977	156	Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
b8ddfc2f	157	Standard_Real parEndOfArrow = ElCLib::Parameter(aCircle,AttachmentPoint);
7fd59977	158	gp_Pnt EndOfArrow;
81bba717	159	gp_Pnt DrawPosition = AttachmentPoint;// point of attachment
7fd59977	160
	161	gp_Pnt Center = aCircle.Location();
	162	gp_Pnt FirstPoint = ElCLib::Value(uFirst, aCircle);
	163	gp_Pnt SecondPoint = ElCLib::Value(uLast, aCircle);
	164
	165	if ( !DsgPrs_InDomain(fpara,lpara,parEndOfArrow)) {
c6541a0c D	166	Standard_Real otherpar = parEndOfArrow + M_PI;// not in domain
c6541a0c D	167	if (otherpar > 2M_PI) otherpar -= 2M_PI;
7fd59977	168	if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
	169	parEndOfArrow = otherpar; // parameter on circle
	170	EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
7fd59977	171	}
	172	else {
	173	gp_Dir dir1(gp_Vec(Center, FirstPoint));
	174	gp_Dir dir2(gp_Vec(Center, SecondPoint));
	175	gp_Lin L1( Center, dir1 );
	176	gp_Lin L2( Center, dir2 );
	177	if(L1.Distance(AttachmentPoint) < L2.Distance(AttachmentPoint))
b8ddfc2f	178	{
	179	EndOfArrow = FirstPoint; //***
	180	DrawPosition = ElCLib::Value(ElCLib::Parameter( L1, AttachmentPoint ), L1);
	181	}
7fd59977	182	else
b8ddfc2f	183	{
	184	EndOfArrow = SecondPoint; //***
	185	DrawPosition = ElCLib::Value(ElCLib::Parameter( L2, AttachmentPoint ), L2);
	186	}
7fd59977	187	}
7fd59977	188	}
	189	else {
	190	EndOfArrow = ElCLib::Value(parEndOfArrow, aCircle);
	191	DrawPosition = AttachmentPoint;
	192	}
7fd59977	193
b8ddfc2f	194	Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
	195	aPrims->AddVertex(DrawPosition);
	196	aPrims->AddVertex(EndOfArrow);
	197	Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977	198
	199	// text
	200	TCollection_ExtendedString Text = aText;
	201	if(IsDiamSymbol)
	202	Text = TCollection_ExtendedString("\330 ") + Text;// => \330 \| \370?
	203	Prs3d_Text::Draw(aPresentation,LA->TextAspect(),Text,DrawPosition);
	204
b8ddfc2f	205	// Add presentation of arrow
7fd59977	206	gp_Dir DirOfArrow(gp_Vec(DrawPosition, EndOfArrow).XYZ());
b8ddfc2f	207	DsgPrs::ComputeSymbol(aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs);
7fd59977	208	}