MomentMask.h

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#ifndef __MomentMask_H__
#define __MomentMask_H__

#include "Rasterizable.h"
#include "Rectangle.h"

namespace EdgeDetection
{
        // Represents a mask for calculating moments of discrete two-dimensional
        // functions defined on the unit circle.
        class MomentMask : public Rasterizable
        {
                private: int degreeX;
                private: int degreeY;
        
                public: Rectangle GetRegion() { return Rectangle(-1, +1, -1, +1); }

                public: MomentMask(int degreeX, int degreeY)
                {
                        if (degreeX < 0) throw "The parameter 'degreeX' was out of range.";
                        if (degreeY < 0) throw "The parameter 'degreeY' was out of range.";
        
                        this->degreeX = degreeX;
                        this->degreeY = degreeY;
                }
                public: ~MomentMask() { }

                public: double GetValue(Rectangle rectangle);
                public: bool CanCalculateIntegral(Rectangle rectangle);
                public: double CalculateIntegral(Rectangle rectangle);
                public: double EstimateIntegral(Rectangle rectangle);
        };
};

#endif