// Draw an ellipse inside a rectangle using Bézier curves. Specify a square to draw a circle
void DrawEllipse(const IJawsMakoPtr jawsMako, IDOMFixedPagePtr& fixedPage, const FRect rect,
	const double strokeThickness, const IDOMBrushPtr solidBrush)
{
	// We can approximate a circle using four béziers. This is the parameter that is
	// used inside Jaws for this purpose
	double l = ((0.7071067812 - 0.5) * 8.0 / 3.0);

	// And so we will offset the bézier control points by half that amount as the entire
	// circle is one unit in diameter.
	double c = l / 2.0;

	// Create the geometry
	IDOMPathGeometryPtr geometry = createInstance<IDOMPathGeometry>(jawsMako);

	// Scale to required size. As what we are scaling is 1x1, the scaling factor is simply the rect dimensions
	geometry->setRenderTransform(FMatrix(rect.dX , 0, 0, rect.dY, rect.x, rect.y));

	// And a figure. We start at the top and head clockwise. But remember
	// we are upside down compared to PDF, so the direction and start point changes.
	IDOMPathFigure::Data params;
	params.startPoint = FPoint(0.5, 0.0);
	params.isClosed = true;
	params.isFilled = true;
	IDOMPathFigurePtr figure = createInstance<IDOMPathFigure>(jawsMako);
	figure->init(&params);

	// And finally the bézier segment
	IDOMPolyBezierSegmentPtr segment = createInstance<IDOMPolyBezierSegment>(jawsMako);

	// With the points as follows
	segment->addPoint(FPoint(0.5 + c, 0.0));
	segment->addPoint(FPoint(1.0, 0.5 - c));
	segment->addPoint(FPoint(1.0, 0.5));

	segment->addPoint(FPoint(1.0, 0.5 + c));
	segment->addPoint(FPoint(0.5 + c, 1.0));
	segment->addPoint(FPoint(0.5, 1.0));

	segment->addPoint(FPoint(0.5 - c, 1.0));
	segment->addPoint(FPoint(0.0, 0.5 + c));
	segment->addPoint(FPoint(0.0, 0.5));

	segment->addPoint(FPoint(0.0, 0.5 - c));
	segment->addPoint(FPoint(0.5 - c, 0.0));
	segment->addPoint(FPoint(0.5, 0.0));

	figure->addSegment(segment);
	geometry->addFigure(figure);

	// And now draw a path using the marker brush
	IDOMPathNodePtr path;
	if (strokeThickness) {
		path = IDOMPathNode::createStroked(jawsMako, geometry, solidBrush);
		path->setStrokeThickness(strokeThickness);
	}
	else
		path = IDOMPathNode::createFilled(jawsMako, geometry, solidBrush);

	// Finally add to the fixed page
	fixedPage->appendChild(path);
}