resampling.h

// Description: Signal resampling

#ifndef PASTELGFX_RESAMPLING_H
#define PASTELGFX_RESAMPLING_H

#include "pastel/sys/mytypes.h"
#include "pastel/sys/view/view.h"
#include "pastel/sys/extender/arrayextender.h"
#include "pastel/sys/range.h"

#include "pastel/gfx/filter/table_filter.h"

namespace Pastel
{

    template <
        typename Computation_Element,
        typename Input_RandomAccessConstRange,
        typename Output_RandomAccessRange>
    void resampleRange(
        const Input_RandomAccessConstRange& inputSet,
        const Output_RandomAccessRange& outputSet,
        const ConstFilterPtr& filter,
        const IndexExtenderPtr& indexExtender,
        const ranges::range_value_t<Input_RandomAccessConstRange>& border = 
        ranges::range_value_t<Input_RandomAccessConstRange>(),
        dreal blurFactor = 1);

    template <
        typename Computation_Element,
        typename Input_RandomAccessConstRange,
        typename Output_RandomAccessRange>
    void resampleRangeTable(
        const Input_RandomAccessConstRange& inputSet,
        const Output_RandomAccessRange& outputSet,
        const ConstTableFilterPtr& filter,
        const IndexExtenderPtr& indexExtender,
        const ranges::range_value_t<Input_RandomAccessConstRange>& border = 
        ranges::range_value_t<Input_RandomAccessConstRange>(),
        dreal blurFactor = 1);

    //! Resamples a 1-dimensional array to a different size.
    /*!
   Preconditions:
   blurFactor >= 1
   */

    template <
        typename Computation_Element,
        typename Input_Element,
        typename Input_View,
        typename Output_Element,
        typename Output_View>
        void resampleTable(
        const ConstView<1, Input_Element, Input_View>& input,
        const NoDeduction<ArrayExtender<1, Input_Element>>& arrayExtender,
        const ConstTableFilterPtr& filter,
        const View<1, Output_Element, Output_View>& output,
        dreal blurFactor = 1);

    template <
        typename Computation_Element,
        typename Input_Element,
        typename Input_View,
        typename Output_Element,
        typename Output_View>
        void resample(
        const ConstView<1, Input_Element, Input_View>& input,
        const NoDeduction<ArrayExtender<1, Input_Element>>& arrayExtender,
        const ConstFilterPtr& filter,
        const View<1, Output_Element, Output_View>& output,
        dreal blurFactor = 1);

    //! Resamples a multi-dimensional array to a different size.
    /*!
   Preconditions:
   blurFactor >= 1

   This function essentially calls the 1-dimensional
   array resampling function for each row of each axis.
   */

    template <
        typename Computation_Element,
        int N,
        typename Input_Element,
        typename Input_View,
        typename Output_Element,
        typename Output_View>
        requires (N > 1)
    void resampleTable(
        const ConstView<N, Input_Element, Input_View>& input,
        const NoDeduction<ArrayExtender<N, Input_Element>>& arrayExtender,
        const ConstTableFilterPtr& filter,
        const View<N, Output_Element, Output_View>& output,
        dreal blurFactor = 1);

    //! Resamples a multi-dimensional array to a different size.
    /*!
   Preconditions:
   blurFactor >= 1

   This function calls the corresponding resampleTable()
   function after constructing a Table_Filter out of
   the given filter.
   */

    template <
        typename Computation_Element,
        int N,
        typename Input_Element,
        typename Input_View,
        typename Output_Element,
        typename Output_View>
        requires (N > 1)
    void resample(
        const ConstView<N, Input_Element, Input_View>& input,
        const NoDeduction<ArrayExtender<N, Input_Element>>& arrayExtender,
        const ConstFilterPtr& filter,
        const View<N, Output_Element, Output_View>& output,
        dreal blurFactor = 1);

}

#include "pastel/gfx/resampling/resampling.hpp"

#endif