added Pad class

pad.cpp

@@ -0,0 +1,13 @@
+#include "pad.h"
+
+Pad::Pad(const Point &p) :
+	RotatedRect(p, Size(), 0)
+{
+	points(vertexes);
+}
+
+Pad::Pad(const RotatedRect &p) :
+	RotatedRect(p)
+{
+	points(vertexes);
+}

pad.h

@@ -0,0 +1,27 @@
+#ifndef PAD_H
+#define PAD_H
+
+#include <QtGlobal>
+
+#include <opencv2/core.hpp>
+
+using namespace cv;
+
+class Pad : public RotatedRect
+{
+	public:
+		Pad(const Point &p);
+		Pad(const RotatedRect &p);
+
+		double getArea() const { return size.area(); }
+		double getRatio() const { return qMax(size.width, size.height) / qMin(size.width, size.height); }
+		Point2f getCenter() const { return center; }
+		Point2f const * getVertexes() const { return vertexes; }
+
+		operator Point2f() const { return center; }
+
+	protected:
+		Point2f vertexes[4];
+};
+
+#endif // PAD_H