OwnedImage.h

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#ifndef __OwnedImage_H__
#define __OwnedImage_H__

#include "Image.h"

namespace EdgeDetection
{
        class OwnedImage : public Image
        {
                private: double* values;
        
                public: double Get(int x, int y)
                {
                        if (x < 0 || x >= GetWidth()) throw "The parameter 'x' was out of range.";
                        if (y < 0 || y >= GetHeight()) throw "The parameter 'y' was out of range.";
        
                        return values[x + y * GetWidth()];
                }
                public: void Set(int x, int y, double value)
                {
                        if (x < 0 || x >= GetWidth()) throw "The parameter 'x' was out of range.";
                        if (y < 0 || y >= GetHeight()) throw "The parameter 'y' was out of range.";
        
                        values[x + y * GetWidth()] = value;
                }

                public: OwnedImage(int width, int height) : Image(width, height)
                {
                        this->values = new double[GetWidth() * GetHeight()];
                
                        for (int index = 0; index < GetWidth() * GetHeight(); index++) values[index] = 0;
                }
                public: OwnedImage(Image* image) : Image(image->GetWidth(), image->GetHeight())
                {
                        this->values = new double[GetWidth() * GetHeight()];

                        for (int y = 0; y < GetHeight(); y++)
                                for (int x = 0; x < GetWidth(); x++)
                                        Set(x, y, image->Get(x, y));
                }
                public: ~OwnedImage()
                {
                        delete[] this->values;
                }

                public: Image* GetRegion(int left, int right, int top, int bottom);
        };
};

#endif