view_visit.h

// Description: Visiting a view or a pair of views

#ifndef PASTELSYS_VIEW_VISIT_H
#define PASTELSYS_VIEW_VISIT_H

#include "pastel/sys/view/view.h"
#include "pastel/sys/alignedbox.h"

namespace Pastel
{

    //! Applies a functor to all positions: visitor(x).

    template <integer N, typename VisitorFunctor>
    void visit(
        const AlignedBox<integer, N>& rectangle,
        const VisitorFunctor& visitor);

    //! Applies a functor to elements of view: visitor(input(x)).

    template <integer N, typename Type, typename Input_ConstView, typename VisitorFunctor>
    void visit(
        const ConstView<N, Type, Input_ConstView>& input,
        const VisitorFunctor& visitor);

    //! Applies a functor to elements of view: visitor(input(x)).

    template <integer N, typename Type, typename Input_View, typename VisitorFunctor>
    void visit(
        const View<N, Type, Input_View>& input,
        const VisitorFunctor& visitor);

    //! Applies a functor to elements of views: visitor(left(x), right(x)).

    /*!
   Preconditions:
   left.extent() == right.extent();
   */

    template <integer N,
        typename Left_Element, typename Left_ConstView,
        typename Right_Element, typename Right_View,
        typename VisitorFunctor>
    void visit(
        const ConstView<N, Left_Element, Left_ConstView>& left,
        const View<N, Right_Element, Right_View>& right,
        const VisitorFunctor& visitor);

    //! Applies a functor to elements of views: visitor(left(x), right(x)).

    /*!
   Preconditions:
   left.extent() == right.extent();
   */

    template <integer N,
        typename Left_Element, typename Left_View,
        typename Right_Element, typename Right_View,
        typename VisitorFunctor>
    void visit(
        const View<N, Left_Element, Left_View>& left,
        const View<N, Right_Element, Right_View>& right,
        const VisitorFunctor& visitor);

    //! Applies a functor to elements of views: visitor(left(x), right(x)).

    /*!
   Preconditions:
   left.extent() == right.extent();
   */

    template <integer N,
        typename Left_Element, typename Left_ConstView,
        typename Right_Element, typename Right_ConstView,
        typename VisitorFunctor>
    void visit(
        const ConstView<N, Left_Element, Left_ConstView>& left,
        const ConstView<N, Right_Element, Right_ConstView>& right,
        const VisitorFunctor& visitor);

}

#include "pastel/sys/view/view_visit_more.h"
#include "pastel/sys/view/view_visit_more2.h"

#include "pastel/sys/view/view_visit.hpp"
#include "pastel/sys/view/view_visit_more.hpp"
#include "pastel/sys/view/view_visit_more2.hpp"

#endif