Image.h

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#ifndef __Image_H__
#define __Image_H__

namespace EdgeDetection
{
        class Image
        {
                private: int width;
                private: int height;
        
                public: int GetWidth() { return width; }
                public: int GetHeight() { return height; }
                public: virtual double Get(int x, int y) = 0;
        
                protected: Image(int width, int height)
                {
                        if (width < 0) throw "The parameter 'width' was out of range.";
                        if (height < 0) throw "The parameter 'height' was out of range.";

                        this->width = width;
                        this->height = height;
                }

                public: virtual Image* GetRegion(int left, int right, int top, int bottom) = 0;

                public: static double Combine(Image* image1, Image* image2);
        };
};

#endif