Initial circuits plugin work.

src/base/geometry/path/QuadraticBezierCurve.h

@@ -0,0 +1,31 @@
+#pragma once
+
+#include "Curve.h"
+#include "Point.h"
+
+class QuadraticBezierCurve : public Curve
+{
+public:
+	QuadraticBezierCurve(const Point& startPoint, const Point& endPoint, const Point& controlPoint);
+
+	Point getFirstPoint() const override;
+
+	Point getEndPoint() const override;
+
+	Bounds getBounds() const override;
+
+	const Point& getLocation() const override;
+
+	Type getType() const override;
+
+	CurveType getCurveType() const override;
+
+	void sample(SparseGrid<bool>* grid) const override;
+
+	std::string toPostScriptString(std::size_t precision = 0) const override;
+
+private:
+	Point mStartPoint;
+	Point mEndPoint;
+	Point mControlPoint;
+};