bool mitk::PlanarCircle::SetControlPoint( unsigned int index, const Point2D &point, bool /*createIfDoesNotExist*/ ) { // moving center point if(index == 0) { const Point2D ¢erPoint = GetControlPoint( 0 ); Point2D boundaryPoint = GetControlPoint( 1 ); vnl_vector<float> vec = (point.GetVnlVector() - centerPoint.GetVnlVector()); boundaryPoint[0] += vec[0]; boundaryPoint[1] += vec[1]; PlanarFigure::SetControlPoint( 0, point ); PlanarFigure::SetControlPoint( 1, boundaryPoint ); } else if ( index == 1 ) { PlanarFigure::SetControlPoint( index, point ); return true; } return false; }
bool mitk::PlanarEllipse::SetControlPoint( unsigned int index, const Point2D &point, bool createIfDoesNotExist ) { if(index == 0) // moving center point and control points accordingly { const Point2D ¢erPoint = GetControlPoint( 0 ); Point2D boundaryPoint1 = GetControlPoint( 1 ); Point2D boundaryPoint2 = GetControlPoint( 2 ); Point2D boundaryPoint3 = GetControlPoint( 3 ); vnl_vector<ScalarType> vec = (point.GetVnlVector() - centerPoint.GetVnlVector()); boundaryPoint1[0] += vec[0]; boundaryPoint1[1] += vec[1]; boundaryPoint2[0] += vec[0]; boundaryPoint2[1] += vec[1]; boundaryPoint3[0] += vec[0]; boundaryPoint3[1] += vec[1]; PlanarFigure::SetControlPoint( 0, point, createIfDoesNotExist ); PlanarFigure::SetControlPoint( 1, boundaryPoint1, createIfDoesNotExist ); PlanarFigure::SetControlPoint( 2, boundaryPoint2, createIfDoesNotExist ); PlanarFigure::SetControlPoint( 3, boundaryPoint3, createIfDoesNotExist ); return true; } else if (index < 3) { PlanarFigure::SetControlPoint( index, point, createIfDoesNotExist ); int otherIndex = index+1; if (otherIndex > 2) otherIndex = 1; const Point2D ¢erPoint = GetControlPoint( 0 ); Point2D otherPoint = GetControlPoint( otherIndex ); Point2D point3 = GetControlPoint( 3 ); Vector2D vec1 = point - centerPoint; Vector2D vec2; if (index == 1 && m_TreatAsCircle ) { float x = vec1[0]; vec2[0] = vec1[1]; vec2[1] = x; if (index==1) vec2[0] *= -1; else vec2[1] *= -1; otherPoint = centerPoint+vec2; PlanarFigure::SetControlPoint( otherIndex, otherPoint, createIfDoesNotExist ); float r = centerPoint.EuclideanDistanceTo(otherPoint); // adjust additional third control point Point2D p3 = this->GetControlPoint(3); Vector2D vec3; vec3[0] = p3[0]-centerPoint[0]; vec3[1] = p3[1]-centerPoint[1]; if (vec3[0]!=0 || vec3[1]!=0) { vec3.Normalize(); vec3 *= r; } else { vec3[0] = r; vec3[1] = 0; } point3 = centerPoint + vec3; PlanarFigure::SetControlPoint( 3, point3, createIfDoesNotExist ); } else if ( vec1.GetNorm() > 0 ) { float r = centerPoint.EuclideanDistanceTo(otherPoint); float x = vec1[0]; vec2[0] = vec1[1]; vec2[1] = x; if (index==1) vec2[0] *= -1; else vec2[1] *= -1; vec2.Normalize(); vec2 *= r; if ( vec2.GetNorm() > 0 ) { otherPoint = centerPoint+vec2; PlanarFigure::SetControlPoint( otherIndex, otherPoint, createIfDoesNotExist ); } // adjust third control point Vector2D vec3 = point3 - centerPoint; vec3.Normalize(); double r1 = centerPoint.EuclideanDistanceTo( GetControlPoint( 1 ) ); double r2 = centerPoint.EuclideanDistanceTo( GetControlPoint( 2 ) ); Point2D newPoint = centerPoint + vec3*std::max(r1, r2); PlanarFigure::SetControlPoint( 3, newPoint, createIfDoesNotExist ); m_TreatAsCircle = false; } return true; } else if (index == 3) { Point2D centerPoint = GetControlPoint( 0 ); Vector2D vec3 = point - centerPoint; vec3.Normalize(); double r1 = centerPoint.EuclideanDistanceTo( GetControlPoint( 1 ) ); double r2 = centerPoint.EuclideanDistanceTo( GetControlPoint( 2 ) ); Point2D newPoint = centerPoint + vec3*std::max(r1, r2); PlanarFigure::SetControlPoint( index, newPoint, createIfDoesNotExist ); m_TreatAsCircle = false; return true; } return false; }