Improve node to svg conversion.

src/geometry/Circle.h

@@ -0,0 +1,29 @@
+#pragma once
+
+#include "AbstractGeometricItem.h"
+#include "Point.h"
+
+class Circle : public AbstractGeometricItem
+{
+public:
+	Circle(const Point& centre, double radius = 0.5);
+
+	const Point& getLocation() const override;
+
+	double getRadius() const;
+
+	double getMinorRadius() const;
+
+	void setMinorRadius(double radius);
+
+	void sample(Grid<unsigned char>* grid) const override;
+
+	Bounds getSize() const override;
+
+	Type getType() const override;
+
+private:
+	double mMinorRadius{ 0.5 };
+	double mRadius{ 0.5 };
+	Point mCentre;
+};