box_filter.h

// Description: Box_Filter class
// Detail: Box reconstruction filter
// Documentation: filters.txt

#ifndef PASTELGFX_BOX_FILTER_H
#define PASTELGFX_BOX_FILTER_H

#include "pastel/gfx/filter.h"

namespace Pastel
{

    class Box_Filter
        : public Filter
    {
    public:
        // Using default constructor.
        // Using default copy constructor.
        // Using default assignment.

        Box_Filter()
        : Filter(0.5, "box")
        {
        }

        virtual ~Box_Filter()
        {

        }

        virtual real evaluateInRange(real x) const
        {
            return 1;
        }

    private:
        Box_Filter(const Box_Filter& that) = delete;
        Box_Filter& operator=(const Box_Filter& that) = delete;
    };

    using BoxFilterPtr = std::shared_ptr<Box_Filter>;
    using ConstBoxFilterPtr = std::shared_ptr<const Box_Filter>;

    inline BoxFilterPtr boxFilter()
    {
        return std::make_shared<Box_Filter>();
    }

}

#endif