Image.cpp

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#include "EdgeDetection/Image.h"

namespace EdgeDetection
{
        double Image::Combine(Image* image1, Image* image2)
        {
                if (image1 == 0) throw "The parameter 'image1' cannot be NULL.";
                if (image2 == 0) throw "The parameter 'image2' cannot be NULL.";
                if (image1->width != image2->width || image1->height != image2->height) throw "The two images are not the same size.";

                int width = image1->width;
                int height = image1->height;

                double result = 0;

                for (int y = 0; y < height; y++)
                        for (int x = 0; x < width; x++)
                                result += image1->Get(x, y) * image2->Get(x, y);

                return result;
        }
};