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path: root/src/Prs2d/Prs2d_Perpendicular.cxx
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#include <Prs2d_Perpendicular.ixx>

Prs2d_Perpendicular::Prs2d_Perpendicular( const Handle(Graphic2d_GraphicObject)& aGO,
                                          const Standard_Real aX,
                                          const Standard_Real aY,
                                          const Standard_Real aLength,
                                          const Standard_Real anAngle ) 

 : Prs2d_Tolerance( aGO, aX, aY, aLength, anAngle )
{
}

void Prs2d_Perpendicular::Draw( const Handle(Graphic2d_Drawer)& aDrawer )  {
 
  Standard_Boolean IsIn = Standard_False;    
  
  if ( !myGOPtr->IsTransformed() )
    IsIn = aDrawer->IsIn( myMinX, myMaxX, myMinY, myMaxY );
  else {
    Standard_ShortReal minx, miny, maxx, maxy;
    MinMax( minx, maxx, miny, maxy );
    IsIn = aDrawer->IsIn( minx, maxx, miny, maxy );
  }

  if ( IsIn ) {
    Standard_ShortReal X1 = myX,
                       Y1 = myY - myLength/4, 
                       X2 = myX,                       
                       Y2 = myY + myLength/2,
                       X3 = myX - myLength/2, 
                       Y3 = Y1,
                       X4 = myX + myLength/2,
                       Y4 = Y1;
  gp_Pnt2d P1( X1, Y1 ),
           P2( X2, Y2 ),
           P3( X3, Y3 ),
           P4( X4, Y4 ),
           PR( myX, myY );
  P1.Rotate( PR, myAngle );
  P2.Rotate( PR, myAngle );
  P3.Rotate( PR, myAngle );
  P4.Rotate( PR, myAngle );
  X1 = Standard_ShortReal( P1.X() );
  Y1 = Standard_ShortReal( P1.Y() );
  X2 = Standard_ShortReal( P2.X() );
  Y2 = Standard_ShortReal( P2.Y() );
  X3 = Standard_ShortReal( P3.X() );
  Y3 = Standard_ShortReal( P3.Y() );
  X4 = Standard_ShortReal( P4.X() );
  Y4 = Standard_ShortReal( P4.Y() );
  if ( myGOPtr->IsTransformed () ) {
     gp_GTrsf2d aTrsf = myGOPtr->Transform ();
     Standard_Real a1, b1;
     a1 = X1;
	 b1 = Y1;
     aTrsf.Transforms( a1, b1 );
     X1 = Standard_ShortReal( a1 );
	 Y1 = Standard_ShortReal( b1 );
     a1 = X2;
	 b1 = Y2;
     aTrsf.Transforms( a1, b1 );
     X2 = Standard_ShortReal( a1 );
	 Y2 = Standard_ShortReal( b1 );
     a1 = X3;
	 b1 = Y3;
     aTrsf.Transforms( a1, b1 );
     X3 = Standard_ShortReal( a1 );
	 Y3 = Standard_ShortReal( b1 );
     a1 = X4;
	 b1 = Y4;
     aTrsf.Transforms( a1, b1 );
     X4 = Standard_ShortReal( a1 );
	 Y4 = Standard_ShortReal( b1 );
    }
    aDrawer->MapSegmentFromTo( X1, Y1, X2, Y2 );
    aDrawer->MapSegmentFromTo( X4, Y4, X3, Y3 );
 }
   
}

void Prs2d_Perpendicular::Save(Aspect_FStream& aFStream) const
{
}