//--------------------------------------------------------------------------------------------------
bool _AddEllipicalArcSegment(SketchSegmentEllipticalArc arcSegment, Pnt2d start, Pnt2d end)
{
var parameters = new double[2];
var ellipse = arcSegment.GetEllipse(_Sketch.Points, parameters);
if (ellipse == null)
{
return(false);
}
double rotAngle = ellipse.XAxis().Angle(new Ax2d(ellipse.Location(), Dir2d.DX));
double length = parameters[1] - parameters[0];
var size = length < Math.PI ? SvgArcSize.Small : SvgArcSize.Large;
var sense = ellipse.Axis().Sense() > 0;
if (start == _Sketch.Points[arcSegment.EndPoint])
{
sense = !sense; // Sense was inverted by interchanged start/end point
}
var sweep = sense ? SvgArcSweep.Positive : SvgArcSweep.Negative;
var svgSegment = new SvgPathSegArc(start, ellipse.MajorRadius(), ellipse.MinorRadius(), rotAngle.ToDeg(), size, sweep, end);
_CurrentPath.Segments.Add(svgSegment);
return(true);
}
//--------------------------------------------------------------------------------------------------
void _AddEllipticalArcSegment(SketchSegmentEllipticalArc arcSegment)
{
var parameter = new double[2];
var ellipse = arcSegment.GetEllipse(_Sketch.Points, parameter);
if (_Document.Flags.HasFlag(DxfFlags.ExportEllipseAsPolygon))
{
var trimmedCurve = new Geom2d_TrimmedCurve(new Geom2d_Ellipse(ellipse), parameter[0], parameter[1]);
_AddPolygonCurve(trimmedCurve);
return;
}
var center = ellipse.Location();
var majorAxisPointOffset = ellipse.XAxis().Direction.ToVec().Multiplied(ellipse.MajorRadius()).ToPnt();
var ratio = ellipse.MinorRadius() / ellipse.MajorRadius();
var entity = new DxfDomEllipse("0", center, majorAxisPointOffset, ratio, parameter[0], parameter[1]);
_Document.Entities.Add(entity);
}
