AdaptiveRasterizer.h

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#ifndef __AdaptiveRasterizer_H__
#define __AdaptiveRasterizer_H__

#include "Rasterizer.h"
#include "Rasterizable.h"
#include "Image.h"

namespace EdgeDetection
{
        // The AdaptiveRasterizer uses recursive subdivision to rasterize given objects.
        class AdaptiveRasterizer : public Rasterizer
        {
                private: double threshold;

                public: AdaptiveRasterizer(double threshold)
                {
                        if (threshold <= 0) throw "The parameter 'threshold' was out of range.";

                        this->threshold= threshold;
                }
                public: ~AdaptiveRasterizer() { }
        
                public: Image* Rasterize(Rasterizable* object, int width, int height);

                private: double GetValue(Rasterizable* object, Rectangle rectangle);
        };
};

#endif