[occt.git] / samples / mfc / occtdemo / Common / OCCDemo_Presentation.cpp

// OCCDemo_Presentation.cpp: implementation of the OCCDemo_Presentation class.
// This is a base class for all presentations
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "OCCDemo_Presentation.h"
#include "OCCDemoView.h"
#include "ISession_Curve.h"

#include <AIS_InteractiveObject.hxx>
#include <Geom_Surface.hxx>
#include <Geom_Curve.hxx>
#include <Geom2d_Curve.hxx>
#include <Quantity_Color.hxx>
#include <AIS_Shape.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <Precision.hxx>
#include <Geom_Line.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Prs_Drawer.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <AIS_Point.hxx>
#include <Geom_CartesianPoint.hxx>
#include <Geom2d_OffsetCurve.hxx>
#include <GeomAPI.hxx>
#include <gp_Pln.hxx>
#include <Geom_OffsetCurve.hxx>

#define MAX_PARAM 1000 // if a surface parameter is infinite, it is assingned
// this value in order to display the "infinit" object in the viewer.


Standard_Boolean OCCDemo_Presentation::WaitForInput (unsigned long aMilliSeconds)
{
  //::WaitForSingleObject(::CreateEvent (NULL, FALSE, FALSE, NULL), aMilliSeconds);
  if (::MsgWaitForMultipleObjects(0, NULL, FALSE, aMilliSeconds,
    QS_KEY | QS_MOUSEBUTTON) != WAIT_TIMEOUT)
  {
    MSG msg;
    if (::PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
    {
      if (msg.message == WM_KEYUP)
      {
        ::PeekMessage (&msg, NULL, 0, 0, PM_REMOVE);
        return WaitForInput (aMilliSeconds);
      }
      else
        return Standard_True;
    }
  }
  return Standard_False;
}

//================================================================
// Function : fixParam
// Purpose  : assings a finite value to theParam if it intinite
//            (equal to +- Precision::Infinite())
//================================================================
static Standard_Boolean fixParam(Standard_Real& theParam)
{
  Standard_Boolean aResult = Standard_False;
  if (Precision::IsNegativeInfinite(theParam))
  {
    theParam = -MAX_PARAM;
    aResult = Standard_True;
  }
  if (Precision::IsPositiveInfinite(theParam))
  {
    theParam = MAX_PARAM;
    aResult = Standard_True;
  }
  return aResult;
}

//================================================================
// Function : DrawSurface                           
// Purpose  : displays a given geometric surface in 3d viewer
//            (creates a finite face and displays it)
//================================================================
Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawSurface
                                  (const Handle(Geom_Surface)& theSurface,
                                   const Quantity_Color& theColor,
                                   const Standard_Boolean toDisplay)
{
  Standard_Real u1, u2, v1, v2;
  theSurface->Bounds(u1,u2,v1,v2);
  fixParam(u1);
  fixParam(u2);
  fixParam(v1);
  fixParam(v2);

  Handle(AIS_Shape) aGraphicSurface = 
    new AIS_Shape(BRepBuilderAPI_MakeFace (theSurface, u1, u2, v1, v2));

  getAISContext()->SetMaterial(aGraphicSurface, Graphic3d_NOM_PLASTIC, toDisplay);
  getAISContext()->SetColor(aGraphicSurface, theColor, toDisplay);
  if (toDisplay) {
    if (FitMode){
		getAISContext()->Display (aGraphicSurface, Standard_False);
		COCCDemoDoc::Fit();
	}
	else
		getAISContext()->Display (aGraphicSurface);
  }
  
  return aGraphicSurface;
}

//================================================================
// Function : DrawCurve                                 
// Purpose  : displays a given curve 3d
//================================================================
Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawCurve
                                  (const Handle(Geom_Curve)& theCurve,
                                   const Quantity_Color& theColor,
                                   const Standard_Boolean toDisplay)
{
  Handle(ISession_Curve) aGraphicCurve = new ISession_Curve (theCurve);

  getAISContext()->SetColor (aGraphicCurve, theColor, toDisplay);
  aGraphicCurve->Attributes()->Link()->SetLineArrowDraw(Standard_False);
  if (toDisplay){ 
    if (FitMode){
		getAISContext()->Display (aGraphicCurve, Standard_False);
		COCCDemoDoc::Fit();
	}
	else
		getAISContext()->Display (aGraphicCurve);
  }

  return aGraphicCurve;
}

//================================================================
// Function : DrawCurve                                 
// Purpose  : displays a given curve 2d
//================================================================
Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawCurve
                                  (const Handle(Geom2d_Curve)& theCurve,
                                   const Quantity_Color& theColor,
                                   const Standard_Boolean toDisplay,
                                   const gp_Ax2& aPosition)
{
  // create 3D curve in plane
  Handle(Geom_Curve) aCurve3d;
  if (theCurve->IsKind(STANDARD_TYPE(Geom2d_OffsetCurve)))
  {
    Handle(Geom2d_OffsetCurve) aOffCurve =
      Handle(Geom2d_OffsetCurve)::DownCast(theCurve);
    Handle(Geom_Curve) aBasCurve3d =
      GeomAPI::To3d (aOffCurve->BasisCurve(), gp_Pln(aPosition));
    Standard_Real aDist = aOffCurve->Offset();
    aCurve3d = new Geom_OffsetCurve (aBasCurve3d, aDist, aPosition.Direction());
  }
  else
  {
    aCurve3d = GeomAPI::To3d (theCurve, gp_Pln(aPosition));
  }
  return drawCurve (aCurve3d, theColor, toDisplay);
}

//================================================================
// Function : drawPoint
// Purpose  : displays a given point
//================================================================
Handle(AIS_Point) OCCDemo_Presentation::drawPoint
                                  (const gp_Pnt& aPnt,
                                   const Quantity_Color& theColor,
                                   const Standard_Boolean toDisplay)
{
  Handle(AIS_Point) aGraphicPoint = new AIS_Point (new Geom_CartesianPoint(aPnt));

  getAISContext()->SetColor (aGraphicPoint, theColor, toDisplay);
  if (toDisplay) {
    getAISContext()->Display (aGraphicPoint);
    //COCCDemoDoc::Fit();
  }

  return aGraphicPoint;
}

//================================================================
// Function : drawVector
// Purpose  : displays a given vector in 3d viewer
//            (segment of line starting at thePnt with the arrow at the end,
//             the length of segment is the length of the vector)
//================================================================
Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawVector 
                                  (const gp_Pnt& thePnt,
                                   const gp_Vec& theVec,
                                   const Quantity_Color& theColor,
                                   const Standard_Boolean toDisplay)
{
  Standard_Real aLength = theVec.Magnitude();
  if (aLength < Precision::Confusion())
    return Handle(AIS_InteractiveObject)();

  Handle(Geom_Curve) aCurve = new Geom_Line (thePnt, theVec);
  aCurve = new Geom_TrimmedCurve (aCurve, 0, aLength);

  Handle(ISession_Curve) aGraphicCurve = new ISession_Curve (aCurve);

  getAISContext()->SetColor (aGraphicCurve, theColor, toDisplay);
  Handle(Prs3d_Drawer) aDrawer = aGraphicCurve->Attributes()->Link();
  aDrawer->SetLineArrowDraw(Standard_True);
  aDrawer->ArrowAspect()->SetLength(aLength/10);
  if (toDisplay) {
    if (FitMode){
		getAISContext()->Display (aGraphicCurve, Standard_False);
		COCCDemoDoc::Fit();
	}
	else
		getAISContext()->Display (aGraphicCurve);
  }

  return aGraphicCurve;
}


Handle(AIS_Shape) OCCDemo_Presentation::drawShape 
         (const TopoDS_Shape& theShape,const Quantity_Color& theColor,
          const Standard_Boolean toDisplay)
{
  Handle(AIS_Shape) aGraphicShape = new AIS_Shape(theShape);

  getAISContext()->SetMaterial(aGraphicShape, Graphic3d_NOM_PLASTIC, toDisplay);
  getAISContext()->SetColor (aGraphicShape, theColor, toDisplay);
  if (toDisplay){ 
    if (FitMode){
		getAISContext()->Display (aGraphicShape, Standard_False);
		COCCDemoDoc::Fit();
	}
	else
		getAISContext()->Display (aGraphicShape);
  }

  return aGraphicShape;
}

Handle(AIS_Shape) OCCDemo_Presentation::drawShape
         (const TopoDS_Shape& theShape,
          const Graphic3d_NameOfMaterial theMaterial,
          const Standard_Boolean toDisplay)
{
  Handle(AIS_Shape) aGraphicShape = new AIS_Shape(theShape);

  getAISContext()->SetMaterial(aGraphicShape, theMaterial, toDisplay);
  if (toDisplay) {
    if (FitMode){
		getAISContext()->Display (aGraphicShape, Standard_False);
		COCCDemoDoc::Fit();
	}
	else
		getAISContext()->Display (aGraphicShape);
  }

  return aGraphicShape;
}

void OCCDemo_Presentation::GetViewCenter(Standard_Real& Xc, Standard_Real& Yc)
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	pView->GetViewCenter(Xc,Yc);
}

void OCCDemo_Presentation::SetViewCenter(Standard_Real Xc, Standard_Real Yc)
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	pView->SetViewCenter(Xc,Yc);
}

void OCCDemo_Presentation::GetViewEye(Standard_Real& X, Standard_Real& Y, Standard_Real& Z)
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	pView->GetViewEye(X,Y,Z);
}

void OCCDemo_Presentation::SetViewEye(Standard_Real X, Standard_Real Y, Standard_Real Z)
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	pView->SetViewEye(X,Y,Z);
}

Standard_Real OCCDemo_Presentation::GetViewScale()
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	return pView->GetViewScale();
}

void OCCDemo_Presentation::SetViewScale(Standard_Real Coef)
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	pView->SetViewScale(Coef);
}

void OCCDemo_Presentation::ResetView()
{
	CMDIFrameWnd *pFrame =  (CMDIFrameWnd*)AfxGetApp()->m_pMainWnd;
	CMDIChildWnd *pChild =  (CMDIChildWnd *) pFrame->GetActiveFrame();
	COCCDemoView *pView = (COCCDemoView *) pChild->GetActiveView();
	pView->Reset();
}
Commit	Line	Data
7fd59977	1	// OCCDemo_Presentation.cpp: implementation of the OCCDemo_Presentation class.
	2	// This is a base class for all presentations
	3	//////////////////////////////////////////////////////////////////////
	4
	5	#include "stdafx.h"
	6	#include "OCCDemo_Presentation.h"
	7	#include "OCCDemoView.h"
	8	#include "ISession_Curve.h"
	9
	10	#include <AIS_InteractiveObject.hxx>
	11	#include <Geom_Surface.hxx>
	12	#include <Geom_Curve.hxx>
	13	#include <Geom2d_Curve.hxx>
	14	#include <Quantity_Color.hxx>
	15	#include <AIS_Shape.hxx>
	16	#include <BRepBuilderAPI_MakeFace.hxx>
	17	#include <Precision.hxx>
	18	#include <Geom_Line.hxx>
	19	#include <Geom_TrimmedCurve.hxx>
6262338c	20	#include <Prs_Drawer.hxx>
7fd59977	21	#include <Prs3d_ArrowAspect.hxx>
	22	#include <AIS_Point.hxx>
	23	#include <Geom_CartesianPoint.hxx>
	24	#include <Geom2d_OffsetCurve.hxx>
	25	#include <GeomAPI.hxx>
	26	#include <gp_Pln.hxx>
	27	#include <Geom_OffsetCurve.hxx>
	28
	29	#define MAX_PARAM 1000 // if a surface parameter is infinite, it is assingned
	30	// this value in order to display the "infinit" object in the viewer.
	31
	32
	33	Standard_Boolean OCCDemo_Presentation::WaitForInput (unsigned long aMilliSeconds)
	34	{
	35	//::WaitForSingleObject(::CreateEvent (NULL, FALSE, FALSE, NULL), aMilliSeconds);
	36	if (::MsgWaitForMultipleObjects(0, NULL, FALSE, aMilliSeconds,
	37	QS_KEY \| QS_MOUSEBUTTON) != WAIT_TIMEOUT)
	38	{
	39	MSG msg;
	40	if (::PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE))
	41	{
	42	if (msg.message == WM_KEYUP)
	43	{
	44	::PeekMessage (&msg, NULL, 0, 0, PM_REMOVE);
	45	return WaitForInput (aMilliSeconds);
	46	}
	47	else
	48	return Standard_True;
	49	}
	50	}
	51	return Standard_False;
	52	}
	53
	54	//================================================================
	55	// Function : fixParam
	56	// Purpose : assings a finite value to theParam if it intinite
	57	// (equal to +- Precision::Infinite())
	58	//================================================================
	59	static Standard_Boolean fixParam(Standard_Real& theParam)
	60	{
	61	Standard_Boolean aResult = Standard_False;
	62	if (Precision::IsNegativeInfinite(theParam))
	63	{
	64	theParam = -MAX_PARAM;
	65	aResult = Standard_True;
	66	}
	67	if (Precision::IsPositiveInfinite(theParam))
	68	{
	69	theParam = MAX_PARAM;
	70	aResult = Standard_True;
	71	}
	72	return aResult;
	73	}
	74
	75	//================================================================
	76	// Function : DrawSurface
	77	// Purpose : displays a given geometric surface in 3d viewer
	78	// (creates a finite face and displays it)
	79	//================================================================
92efcf78	80	Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawSurface
92efcf78	81	(const Handle(Geom_Surface)& theSurface,
7fd59977	82	const Quantity_Color& theColor,
	83	const Standard_Boolean toDisplay)
	84	{
	85	Standard_Real u1, u2, v1, v2;
	86	theSurface->Bounds(u1,u2,v1,v2);
	87	fixParam(u1);
	88	fixParam(u2);
	89	fixParam(v1);
	90	fixParam(v2);
	91
92efcf78	92	Handle(AIS_Shape) aGraphicSurface =
7fd59977	93	new AIS_Shape(BRepBuilderAPI_MakeFace (theSurface, u1, u2, v1, v2));
	94
	95	getAISContext()->SetMaterial(aGraphicSurface, Graphic3d_NOM_PLASTIC, toDisplay);
	96	getAISContext()->SetColor(aGraphicSurface, theColor, toDisplay);
	97	if (toDisplay) {
	98	if (FitMode){
	99	getAISContext()->Display (aGraphicSurface, Standard_False);
	100	COCCDemoDoc::Fit();
	101	}
	102	else
	103	getAISContext()->Display (aGraphicSurface);
	104	}
	105
	106	return aGraphicSurface;
	107	}
	108
	109	//================================================================
	110	// Function : DrawCurve
	111	// Purpose : displays a given curve 3d
	112	//================================================================
92efcf78	113	Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawCurve
92efcf78	114	(const Handle(Geom_Curve)& theCurve,
7fd59977	115	const Quantity_Color& theColor,
	116	const Standard_Boolean toDisplay)
	117	{
	118	Handle(ISession_Curve) aGraphicCurve = new ISession_Curve (theCurve);
	119
	120	getAISContext()->SetColor (aGraphicCurve, theColor, toDisplay);
	121	aGraphicCurve->Attributes()->Link()->SetLineArrowDraw(Standard_False);
	122	if (toDisplay){
	123	if (FitMode){
	124	getAISContext()->Display (aGraphicCurve, Standard_False);
	125	COCCDemoDoc::Fit();
	126	}
	127	else
	128	getAISContext()->Display (aGraphicCurve);
	129	}
	130
	131	return aGraphicCurve;
	132	}
	133
	134	//================================================================
	135	// Function : DrawCurve
	136	// Purpose : displays a given curve 2d
	137	//================================================================
92efcf78	138	Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawCurve
92efcf78	139	(const Handle(Geom2d_Curve)& theCurve,
7fd59977	140	const Quantity_Color& theColor,
	141	const Standard_Boolean toDisplay,
	142	const gp_Ax2& aPosition)
	143	{
	144	// create 3D curve in plane
	145	Handle(Geom_Curve) aCurve3d;
	146	if (theCurve->IsKind(STANDARD_TYPE(Geom2d_OffsetCurve)))
	147	{
	148	Handle(Geom2d_OffsetCurve) aOffCurve =
	149	Handle(Geom2d_OffsetCurve)::DownCast(theCurve);
	150	Handle(Geom_Curve) aBasCurve3d =
	151	GeomAPI::To3d (aOffCurve->BasisCurve(), gp_Pln(aPosition));
	152	Standard_Real aDist = aOffCurve->Offset();
	153	aCurve3d = new Geom_OffsetCurve (aBasCurve3d, aDist, aPosition.Direction());
	154	}
	155	else
	156	{
	157	aCurve3d = GeomAPI::To3d (theCurve, gp_Pln(aPosition));
	158	}
	159	return drawCurve (aCurve3d, theColor, toDisplay);
	160	}
	161
	162	//================================================================
	163	// Function : drawPoint
	164	// Purpose : displays a given point
	165	//================================================================
92efcf78	166	Handle(AIS_Point) OCCDemo_Presentation::drawPoint
7fd59977	167	(const gp_Pnt& aPnt,
	168	const Quantity_Color& theColor,
	169	const Standard_Boolean toDisplay)
	170	{
	171	Handle(AIS_Point) aGraphicPoint = new AIS_Point (new Geom_CartesianPoint(aPnt));
	172
	173	getAISContext()->SetColor (aGraphicPoint, theColor, toDisplay);
	174	if (toDisplay) {
	175	getAISContext()->Display (aGraphicPoint);
	176	//COCCDemoDoc::Fit();
	177	}
	178
	179	return aGraphicPoint;
	180	}
	181
	182	//================================================================
	183	// Function : drawVector
	184	// Purpose : displays a given vector in 3d viewer
	185	// (segment of line starting at thePnt with the arrow at the end,
	186	// the length of segment is the length of the vector)
	187	//================================================================
92efcf78	188	Handle(AIS_InteractiveObject) OCCDemo_Presentation::drawVector
7fd59977	189	(const gp_Pnt& thePnt,
	190	const gp_Vec& theVec,
	191	const Quantity_Color& theColor,
	192	const Standard_Boolean toDisplay)
	193	{
	194	Standard_Real aLength = theVec.Magnitude();
	195	if (aLength < Precision::Confusion())
	196	return Handle(AIS_InteractiveObject)();
	197
	198	Handle(Geom_Curve) aCurve = new Geom_Line (thePnt, theVec);
	199	aCurve = new Geom_TrimmedCurve (aCurve, 0, aLength);
	200
	201	Handle(ISession_Curve) aGraphicCurve = new ISession_Curve (aCurve);
	202
	203	getAISContext()->SetColor (aGraphicCurve, theColor, toDisplay);
	204	Handle(Prs3d_Drawer) aDrawer = aGraphicCurve->Attributes()->Link();
	205	aDrawer->SetLineArrowDraw(Standard_True);
	206	aDrawer->ArrowAspect()->SetLength(aLength/10);
	207	if (toDisplay) {
	208	if (FitMode){
	209	getAISContext()->Display (aGraphicCurve, Standard_False);
	210	COCCDemoDoc::Fit();
	211	}
	212	else
	213	getAISContext()->Display (aGraphicCurve);
	214	}
	215
	216	return aGraphicCurve;
	217	}
	218
	219
92efcf78	220	Handle(AIS_Shape) OCCDemo_Presentation::drawShape
7fd59977	221	(const TopoDS_Shape& theShape,const Quantity_Color& theColor,
	222	const Standard_Boolean toDisplay)
	223	{
92efcf78	224	Handle(AIS_Shape) aGraphicShape = new AIS_Shape(theShape);
7fd59977	225
	226	getAISContext()->SetMaterial(aGraphicShape, Graphic3d_NOM_PLASTIC, toDisplay);
	227	getAISContext()->SetColor (aGraphicShape, theColor, toDisplay);
	228	if (toDisplay){
	229	if (FitMode){
	230	getAISContext()->Display (aGraphicShape, Standard_False);
	231	COCCDemoDoc::Fit();
	232	}
	233	else
	234	getAISContext()->Display (aGraphicShape);
	235	}
	236
	237	return aGraphicShape;
	238	}
	239
92efcf78	240	Handle(AIS_Shape) OCCDemo_Presentation::drawShape
7fd59977	241	(const TopoDS_Shape& theShape,
	242	const Graphic3d_NameOfMaterial theMaterial,
	243	const Standard_Boolean toDisplay)
	244	{
92efcf78	245	Handle(AIS_Shape) aGraphicShape = new AIS_Shape(theShape);
7fd59977	246
	247	getAISContext()->SetMaterial(aGraphicShape, theMaterial, toDisplay);
	248	if (toDisplay) {
	249	if (FitMode){
	250	getAISContext()->Display (aGraphicShape, Standard_False);
	251	COCCDemoDoc::Fit();
	252	}
	253	else
	254	getAISContext()->Display (aGraphicShape);
	255	}
	256
	257	return aGraphicShape;
	258	}
	259
ee2be2a8	260	void OCCDemo_Presentation::GetViewCenter(Standard_Real& Xc, Standard_Real& Yc)
7fd59977	261	{
	262	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	263	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	264	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	265	pView->GetViewCenter(Xc,Yc);
	266	}
	267
ee2be2a8	268	void OCCDemo_Presentation::SetViewCenter(Standard_Real Xc, Standard_Real Yc)
7fd59977	269	{
	270	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	271	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	272	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	273	pView->SetViewCenter(Xc,Yc);
	274	}
	275
ee2be2a8	276	void OCCDemo_Presentation::GetViewEye(Standard_Real& X, Standard_Real& Y, Standard_Real& Z)
7fd59977	277	{
	278	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	279	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	280	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	281	pView->GetViewEye(X,Y,Z);
	282	}
	283
ee2be2a8	284	void OCCDemo_Presentation::SetViewEye(Standard_Real X, Standard_Real Y, Standard_Real Z)
7fd59977	285	{
	286	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	287	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	288	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	289	pView->SetViewEye(X,Y,Z);
	290	}
	291
ee2be2a8	292	Standard_Real OCCDemo_Presentation::GetViewScale()
7fd59977	293	{
	294	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	295	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	296	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	297	return pView->GetViewScale();
	298	}
	299
ee2be2a8	300	void OCCDemo_Presentation::SetViewScale(Standard_Real Coef)
7fd59977	301	{
	302	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	303	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	304	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	305	pView->SetViewScale(Coef);
	306	}
	307
	308	void OCCDemo_Presentation::ResetView()
	309	{
	310	CMDIFrameWnd pFrame = (CMDIFrameWnd)AfxGetApp()->m_pMainWnd;
	311	CMDIChildWnd pChild = (CMDIChildWnd ) pFrame->GetActiveFrame();
	312	COCCDemoView pView = (COCCDemoView ) pChild->GetActiveView();
	313	pView->Reset();
	314	}