MicroEdgeDetector.h

Go to the documentation of this file.

#ifndef __MicroEdgeDetector_H__
#define __MicroEdgeDetector_H__

#include "Image.h"
#include "Rasterizer.h"
#include "Edge.h"
#include "MomentMask.h"

namespace EdgeDetection
{
        // Detects two-dimensional edges on the unit circle.
        class MicroEdgeDetector
        {
                private: int size;
                private: Image* mask00;
                private: Image* mask10;
                private: Image* mask01;
                private: Image* mask11;
                private: Image* mask20;
                private: Image* mask02;
        
                public: int GetSize() { return size; }

                public: MicroEdgeDetector(Rasterizer* rasterizer, int size)
                {
                        if (rasterizer == 0) throw "The parameter 'rasterizer' cannot be NULL.";
                        if (size < 0) throw "The parameter 'size' was out of range.";
        
                        this->size = size;
        
                        MomentMask* mask;

                        mask = new MomentMask(0, 0);
                        this->mask00 = rasterizer->Rasterize(mask, size, size);
                        delete mask;
                        mask = new MomentMask(1, 0);
                        this->mask10 = rasterizer->Rasterize(mask, size, size);
                        delete mask;
                        mask = new MomentMask(0, 1);
                        this->mask01 = rasterizer->Rasterize(mask, size, size);
                        delete mask;
                        mask = new MomentMask(1, 1);
                        this->mask11 = rasterizer->Rasterize(mask, size, size);
                        delete mask;
                        mask = new MomentMask(2, 0);
                        this->mask20 = rasterizer->Rasterize(mask, size, size);
                        delete mask;
                        mask = new MomentMask(0, 2);
                        this->mask02 = rasterizer->Rasterize(mask, size, size);
                        delete mask;
                }
                public: ~MicroEdgeDetector()
                {
                        delete this->mask00;
                        delete this->mask10;
                        delete this->mask01;
                        delete this->mask11;
                        delete this->mask20;
                        delete this->mask02;
                }

                public: Edge DetectEdge(Image* image);
        };
};

#endif