[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.

//modified      20-feb-98 by <SZY>
//              Sergei Zaritchny

#include <Aspect_AspectMarker.hxx>
#include <Aspect_TypeOfLine.hxx>
#include <Aspect_TypeOfMarker.hxx>
#include <DsgPrs.hxx>
#include <DsgPrs_RadiusPresentation.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 <Graphic3d_Vertex.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 <Quantity_Color.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
7fd59977	17	//modified 20-feb-98 by <SZY>
	18	// Sergei Zaritchny
	19
42cf5bc1	20	#include <Aspect_AspectMarker.hxx>
	21	#include <Aspect_TypeOfLine.hxx>
	22	#include <Aspect_TypeOfMarker.hxx>
	23	#include <DsgPrs.hxx>
	24	#include <DsgPrs_RadiusPresentation.hxx>
7fd59977	25	#include <ElCLib.hxx>
42cf5bc1	26	#include <gce_MakeDir.hxx>
	27	#include <gce_MakeLin.hxx>
	28	#include <gp_Circ.hxx>
	29	#include <gp_Dir.hxx>
	30	#include <gp_Lin.hxx>
	31	#include <gp_Pnt.hxx>
b8ddfc2f	32	#include <Graphic3d_ArrayOfSegments.hxx>
42cf5bc1	33	#include <Graphic3d_AspectLine3d.hxx>
	34	#include <Graphic3d_AspectMarker3d.hxx>
	35	#include <Graphic3d_Group.hxx>
	36	#include <Graphic3d_Vertex.hxx>
	37	#include <Precision.hxx>
7fd59977	38	#include <Prs3d_Arrow.hxx>
7fd59977	39	#include <Prs3d_ArrowAspect.hxx>
a6eb515f	40	#include <Prs3d_DimensionAspect.hxx>
42cf5bc1	41	#include <Prs3d_LineAspect.hxx>
42cf5bc1	42	#include <Prs3d_Presentation.hxx>
7fd59977	43	#include <Prs3d_Text.hxx>
7fd59977	44	#include <Quantity_Color.hxx>
42cf5bc1	45	#include <TCollection_ExtendedString.hxx>
7fd59977	46
7fd59977	47	static Standard_Boolean DsgPrs_InDomain(const Standard_Real fpar,
b8ddfc2f	48	const Standard_Real lpar,
b8ddfc2f	49	const Standard_Real para)
7fd59977	50	{
b8ddfc2f	51	if (fpar >= 0.)
7fd59977	52	return ((para >= fpar) && (para <= lpar));
b8ddfc2f	53	if (para >= (fpar+2.*M_PI)) return Standard_True;
7fd59977	54	if (para <= lpar) return Standard_True;
	55	return Standard_False;
	56	}
	57
	58	//=======================================================================
	59	//function : Add
	60	//purpose :
	61	//=======================================================================
	62
	63	void DsgPrs_RadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
	64	const Handle(Prs3d_Drawer)& aDrawer,
	65	const TCollection_ExtendedString& aText,
	66	const gp_Pnt& AttachmentPoint,
	67	const gp_Circ& aCircle,
	68	const Standard_Real firstparam,
	69	const Standard_Real lastparam,
	70	const Standard_Boolean drawFromCenter,
	71	const Standard_Boolean reverseArrow)
	72	{
	73	Standard_Real fpara = firstparam;
	74	Standard_Real lpara = lastparam;
b8ddfc2f	75	while (lpara > 2.*M_PI) {
	76	fpara -= 2.*M_PI;
	77	lpara -= 2.*M_PI;
7fd59977	78	}
a6eb515f	79	Handle(Prs3d_DimensionAspect) LA = aDrawer->DimensionAspect();
7fd59977	80	Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
b8ddfc2f	81
7fd59977	82	Standard_Real parat = ElCLib::Parameter(aCircle,AttachmentPoint);
	83	gp_Pnt attpoint = AttachmentPoint;
	84	Standard_Boolean otherside = Standard_False;
	85	if ( !DsgPrs_InDomain(fpara,lpara,parat)) {
c6541a0c	86	Standard_Real otherpar = parat + M_PI;
b8ddfc2f	87	if (otherpar > 2.M_PI) otherpar -= 2.M_PI;
7fd59977	88	if (DsgPrs_InDomain(fpara,lpara,otherpar)) {
	89	parat = otherpar;
	90	otherside = Standard_True;
	91	}
	92	else {
b8ddfc2f	93	const Standard_Real ecartpar = Min(Abs(fpara-parat),Abs(lpara-parat));
b8ddfc2f	94	const Standard_Real ecartoth = Min(Abs(fpara-otherpar),Abs(lpara-otherpar));
7fd59977	95	if (ecartpar <= ecartoth) {
b8ddfc2f	96	parat = (parat < fpara)? fpara : lpara;
7fd59977	97	}
7fd59977	98	else {
b8ddfc2f	99	otherside = Standard_True;
b8ddfc2f	100	parat = (otherpar < fpara)? fpara : lpara;
7fd59977	101	}
7fd59977	102	gp_Pnt ptdir = ElCLib::Value(parat,aCircle);
b8ddfc2f	103	gp_Lin lsup(aCircle.Location(),gp_Dir(ptdir.XYZ()-aCircle.Location().XYZ()));
b8ddfc2f	104	const Standard_Real parpos = ElCLib::Parameter(lsup,AttachmentPoint);
7fd59977	105	attpoint = ElCLib::Value(parpos,lsup);
	106	}
	107	}
	108	gp_Pnt ptoncirc = ElCLib::Value(parat,aCircle);
	109	gp_Lin L (aCircle.Location(),gp_Dir(attpoint.XYZ()-aCircle.Location().XYZ()));
	110	gp_Pnt firstpoint = attpoint;
	111	gp_Pnt drawtopoint = ptoncirc;
	112	if (drawFromCenter && !otherside) {
b8ddfc2f	113	const Standard_Real uatt = ElCLib::Parameter(L,attpoint);
	114	const Standard_Real uptc = ElCLib::Parameter(L,ptoncirc);
	115	if (Abs(uatt) > Abs(uptc))
7fd59977	116	drawtopoint = aCircle.Location();
b8ddfc2f	117	else
7fd59977	118	firstpoint = aCircle.Location();
7fd59977	119	}
7fd59977	120
b8ddfc2f	121	Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
	122	aPrims->AddVertex(firstpoint);
	123	aPrims->AddVertex(drawtopoint);
	124	Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977	125
7fd59977	126	gp_Dir arrdir = L.Direction();
b8ddfc2f	127	if (reverseArrow)
7fd59977	128	arrdir.Reverse();
b8ddfc2f	129
7fd59977	130	// fleche
a6eb515f	131	Prs3d_Arrow::Draw(aPresentation,ptoncirc,arrdir,LA->ArrowAspect()->Angle(),LA->ArrowAspect()->Length());
7fd59977	132
	133	// texte
	134	Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,attpoint);
7fd59977	135	}
	136
	137	//=======================================================================
	138	//function : DsgPrs_RadiusPresentation::Add
	139	//purpose : SZY 20-february-98
	140	// : adds radius representation according drawFromCenter value
	141	//=======================================================================
	142
	143	void DsgPrs_RadiusPresentation::Add( const Handle(Prs3d_Presentation)& aPresentation,
	144	const Handle(Prs3d_Drawer)& aDrawer,
	145	const TCollection_ExtendedString& aText,
	146	const gp_Pnt& AttachmentPoint,
	147	const gp_Pnt& Center,
	148	const gp_Pnt& EndOfArrow,
	149	const DsgPrs_ArrowSide ArrowPrs,
	150	const Standard_Boolean drawFromCenter,
	151	const Standard_Boolean reverseArrow)
	152	{
a6eb515f	153	Handle( Prs3d_DimensionAspect ) LA = aDrawer->DimensionAspect();
7fd59977	154	Prs3d_Root::CurrentGroup( aPresentation )->SetPrimitivesAspect( LA->LineAspect()->Aspect() );
7fd59977	155
b8ddfc2f	156	gp_Pnt LineOrigin, LineEnd;
b8ddfc2f	157	DsgPrs::ComputeRadiusLine(Center, EndOfArrow, AttachmentPoint, drawFromCenter, LineOrigin, LineEnd);
7fd59977	158
b8ddfc2f	159	Handle(Graphic3d_ArrayOfSegments) aPrims = new Graphic3d_ArrayOfSegments(2);
	160	aPrims->AddVertex(LineOrigin);
	161	aPrims->AddVertex(LineEnd);
	162	Prs3d_Root::CurrentGroup(aPresentation)->AddPrimitiveArray(aPrims);
7fd59977	163
7fd59977	164	// text
	165	Prs3d_Text::Draw( aPresentation, LA->TextAspect(), aText, AttachmentPoint );
	166
	167	gp_Dir ArrowDir = gce_MakeDir( LineOrigin , LineEnd );
	168	if (reverseArrow)
	169	ArrowDir.Reverse();
b8ddfc2f	170	DsgPrs::ComputeSymbol( aPresentation, LA, Center, EndOfArrow, ArrowDir.Reversed(), ArrowDir, ArrowPrs, drawFromCenter );
7fd59977	171	}