ripimage_texture.h

// Description: RipImage_Texture class
// Detail: Image-based texture with linear reconstruction and rip-filtering.

#ifndef PASTELGFX_RIPIMAGE_TEXTURE_H
#define PASTELGFX_RIPIMAGE_TEXTURE_H

#include "pastel/gfx/texture/texture.h"

#include "pastel/gfx/ripmap/ripmap.h"

#include "pastel/sys/vector.h"
#include "pastel/sys/array.h"

#include "pastel/sys/extender/arrayextender.h"

#include <vector>

namespace Pastel
{

    template <typename Type, integer N = 2>
    class RipImage_Texture
        : public Texture<Type, N>
    {
    public:
        using ArrayExtender_ = ArrayExtender<N, Type>;

        RipImage_Texture();

        virtual ~RipImage_Texture()
        {
        }

        explicit RipImage_Texture(
            const RipMap<Type, N>& ripMap,
            const ArrayExtender_& extender = ArrayExtender_());

        virtual Type operator()(
            const Vector<real, N>& uv,
            const Matrix<real>& m) const;

        void setRipMap(const RipMap<Type, N>& ripMap)
        {
            ripMap_ = &ripMap;
        }

        void setExtender(const ArrayExtender_& extender)
        {
            extender_ = extender;
        }

        virtual std::string name() const
        {
            return std::string("RipImage");
        }

    private:
        const RipMap<Type, N>* ripMap_;
        ArrayExtender_ extender_;
    };

}

#include "pastel/gfx/texture/ripimage_texture.hpp"

#endif