File: SimdPixel.hpp

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/*
* Simd Library (http://ermig1979.github.io/Simd).
*
* Copyright (c) 2011-2021 Yermalayeu Ihar.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __SimdPixel_hpp__
#define __SimdPixel_hpp__

#include "Simd/SimdView.hpp"

namespace Simd
{
    /*! @ingroup cpp_pixels

        \short Contains various pixel structures.

        Contains various pixel structures useful for work with Simd::View structure.
    */
    namespace Pixel
    {
        struct Bgr24;
        struct Bgra32;
        struct Hsv24;
        struct Hsl24;
        struct Rgb24;
        struct Rgba32;

        //-------------------------------------------------------------------------

        /*! @ingroup cpp_pixels

            \short 24-bit BGR pixel.

            Provides manipulation of 24-bit BGR (Blue, Green, Red) pixels of the View struct.
        */
        struct Bgr24
        {
            uint8_t blue; /*!< \brief 8-bit blue channel 24-bit BGR pixel. */
            uint8_t green; /*!< \brief 8-bit green channel 24-bit BGR pixel. */
            uint8_t red; /*!< \brief 8-bit red channel 24-bit BGR pixel. */

            /*!
                Creates a new 24-bit BGR pixel structure with specified channel values.

                \param [in] gray - initial value for all channels. It is equal to 0 by default.
            */
            Bgr24(const uint8_t & gray = uint8_t(0));

            /*!
                Creates a new 24-bit BGR pixel structure with specified channel values.

                \param [in] b - initial value for blue channel.
                \param [in] g - initial value for green channel.
                \param [in] r - initial value for red channel.
            */
            Bgr24(const uint8_t & b, const uint8_t & g, const uint8_t & r);

            /*!
                Creates a new 24-bit BGR pixel structure on the base of 32-bit BGRA pixel.

                \param [in] p - 32-bit BGRA pixel.
            */
            Bgr24(const Bgra32 & p);

            /*!
                Creates a new 24-bit BGR pixel structure on the base of 24-bit RGB pixel.

                \param [in] p - 24-bit RGB pixel.
            */
            Bgr24(const Rgb24 & p);

            /*!
                Creates a new 24-bit BGR pixel structure on the base of 32-bit RGBA pixel.

                \param [in] p - 32-bit RGBA pixel.
            */
            Bgr24(const Rgba32& p);

            /*!
                Creates a copy of 24-bit BGR pixel structure.

                \param [in] p - 24-bit BGR pixel.
            */
            Bgr24(const Bgr24 & p);

            /*!
                \fn template <template<class> class A> static const Bgr24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets constant reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit BGR pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a constant reference to the pixel.
            */
            template <template<class> class A> static const Bgr24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

            /*!
                \fn template <template<class> class A> static Bgr24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit BGR pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a reference to the pixel.
            */
            template <template<class> class A> static Bgr24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);
        };

        /*! @ingroup cpp_pixels

            \short 32-bit BGRA pixel.

            Provides manipulation of 32-bit BGRA (Blue, Green, Red, Alpha) pixels of the View struct.
        */
        struct Bgra32
        {
            uint8_t blue; /*!< \brief 8-bit blue channel 32-bit BGRA pixel. */
            uint8_t green; /*!< \brief 8-bit green channel 32-bit BGRA pixel. */
            uint8_t red; /*!< \brief 8-bit red channel 32-bit BGRA pixel. */
            uint8_t alpha; /*!< \brief 8-bit alpha channel 32-bit BGRA pixel. */

            /*!
                Creates a new 32-bit BGRA pixel structure with specified channel values.

                \param [in] gray - initial value for blue, green and red channels. It is equal to 0 by default.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Bgra32(const uint8_t & gray = uint8_t(0), const uint8_t & a = uint8_t(255));

            /*!
                Creates a new 32-bit BGRA pixel structure with specified channel values.

                \param [in] b - initial value for blue channel.
                \param [in] g - initial value for green channel.
                \param [in] r - initial value for red channel.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Bgra32(const uint8_t & b, const uint8_t & g, const uint8_t & r, const uint8_t & a = uint8_t(255));

            /*!
                Creates a new 32-bit BGRA pixel structure on the base of 24-bit BGR pixel.

                \param [in] p - 24-bit BGR pixel.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Bgra32(const Bgr24 & p, const uint8_t & a = uint8_t(255));

            /*!
                Creates a new 32-bit BGRA pixel structure on the base of 24-bit RGB pixel.

                \param [in] p - 24-bit RGB pixel.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Bgra32(const Rgb24 & p, const uint8_t & a = uint8_t(255));

            /*!
                Creates a new 32-bit BGRA pixel structure on the base of 32-bit RGBA pixel.

                \param [in] p - 32-bit RGBA pixel.
            */
            Bgra32(const Rgba32& p);

            /*!
                Creates a copy of 32-bit BGRA pixel structure.

                \param [in] p - 32-bit BGRA pixel.
            */
            Bgra32(const Bgra32 & p);

            /*!
                \fn template <template<class> class A> static const Bgr32 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets constant reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 32-bit BGRA pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a constant reference to the pixel.
            */
            template <template<class> class A> static const Bgra32 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

            /*!
                \fn template <template<class> class A> static Bgr32 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 32-bit BGRA pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a reference to the pixel.
            */
            template <template<class> class A> static Bgra32 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);
        };

        /*! @ingroup cpp_pixels

            \short 24-bit HSV pixel.

            Provides manipulation of 24-bit HSV (Hue, Saturation, Value) pixels of the View struct.
        */
        struct Hsv24
        {
            uint8_t hue; /*!< \brief 8-bit hue channel 24-bit HSV pixel. */
            uint8_t saturation; /*!< \brief 8-bit saturation channel 24-bit HSV pixel. */
            uint8_t value; /*!< \brief 8-bit value channel 24-bit HSV pixel. */

            /*!
                Creates a new 24-bit HSV pixel structure with specified channel values.

                \param [in] gray - initial value for value channel. It is equal to 0 by default.
            */
            Hsv24(const uint8_t & gray = uint8_t(0));

            /*!
                Creates a new 24-bit HSV pixel structure with specified channel values.

                \param [in] h - initial value for hue channel.
                \param [in] s - initial value for saturation channel.
                \param [in] v - initial value for value channel.
            */
            Hsv24(const uint8_t & h, const uint8_t & s, const uint8_t & v);

            /*!
                Creates a copy of 24-bit HSV pixel structure.

                \param [in] p - 24-bit HSV pixel.
            */
            Hsv24(const Hsv24 & p);

            /*!
                \fn template <template<class> class A> static const Hsv24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets constant reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit HSV pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a constant reference to the pixel.
            */
            template <template<class> class A> static const Hsv24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

            /*!
                \fn template <template<class> class A> static Hsv24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit HSV pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a reference to the pixel.
            */
            template <template<class> class A> static Hsv24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);
        };

        /*! @ingroup cpp_pixels

            \short 24-bit HSL pixel.

            Provides manipulation of 24-bit HSL (Hue, Saturation, Lightness) pixels of the View struct.
        */
        struct Hsl24
        {
            uint8_t hue; /*!< \brief 8-bit hue channel 24-bit HSL pixel. */
            uint8_t saturation; /*!< \brief 8-bit saturation channel 24-bit HSL pixel. */
            uint8_t lightness; /*!< \brief 8-bit lightness channel 24-bit HSL pixel. */

            /*!
                Creates a new 24-bit HSL pixel structure with specified channel values.

                \param [in] gray - initial value for value channel. It is equal to 0 by default.
            */
            Hsl24(const uint8_t & gray = uint8_t(0));

            /*!
                Creates a new 24-bit HSL pixel structure with specified channel values.

                \param [in] h - initial value for hue channel.
                \param [in] s - initial value for saturation channel.
                \param [in] l - initial value for lightness channel.
            */
            Hsl24(const uint8_t & h, const uint8_t & s, const uint8_t & l);

            /*!
                Creates a copy of 24-bit HSL pixel structure.

                \param [in] p - 24-bit HSL pixel.
            */
            Hsl24(const Hsl24 & p);


            /*!
                \fn template <template<class> class A> static const Hsl24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets constant reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit HSL pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a constant reference to the pixel.
            */
            template <template<class> class A> static const Hsl24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

            /*!
                \fn template <template<class> class A> static Hsl24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit HSL pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a reference to the pixel.
            */
            template <template<class> class A> static Hsl24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);
        };

        /*! @ingroup cpp_pixels

            \short 24-bit RGB pixel.

            Provides manipulation of 24-bit RGB (Red, Blue, Green) pixels of the View struct.
        */
        struct Rgb24
        {
            uint8_t red; /*!< \brief 8-bit red channel 24-bit BGR pixel. */
            uint8_t green; /*!< \brief 8-bit green channel 24-bit BGR pixel. */
            uint8_t blue; /*!< \brief 8-bit blue channel 24-bit BGR pixel. */

            /*!
                Creates a new 24-bit RGB pixel structure with specified channel values.

                \param [in] gray - initial value for all channels. It is equal to 0 by default.
            */
            Rgb24(const uint8_t & gray = uint8_t(0));

            /*!
                Creates a new 24-bit RGB pixel structure with specified channel values.

                \param [in] r - initial value for red channel.
                \param [in] g - initial value for green channel.
                \param [in] b - initial value for blue channel.
            */
            Rgb24(const uint8_t & r, const uint8_t & g, const uint8_t & b);

            /*!
                Creates a new 24-bit RGB pixel structure on the base of 32-bit BGRA pixel.

                \param [in] p - 32-bit BGRA pixel.
            */
            Rgb24(const Bgra32 & p);

            /*!
                Creates a new 24-bit RGB pixel structure on the base of 24-bit BGR pixel.

                \param [in] p - 24-bit BGR pixel.
            */
            Rgb24(const Bgr24 & p);

            /*!
                Creates a new 24-bit RGB pixel structure on the base of 32-bit RGBA pixel.

                \param [in] p - 32-bit RGBA pixel.
            */
            Rgb24(const Rgba32& p);

            /*!
                Creates a copy of 24-bit RGB pixel structure.

                \param [in] p - 24-bit RGB pixel.
            */
            Rgb24(const Rgb24 & p);

            /*!
                \fn template <template<class> class A> static const Rgb24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets constant reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit RGB pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a constant reference to the pixel.
            */
            template <template<class> class A> static const Rgb24 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

            /*!
                \fn template <template<class> class A> static Rgb24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 24-bit RGB pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a reference to the pixel.
            */
            template <template<class> class A> static Rgb24 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);
        };

        /*! @ingroup cpp_pixels

            \short 32-bit RGBA pixel.

            Provides manipulation of 32-bit RGBA (Red, Blue, Green, Alpha) pixels of the View struct.
        */
        struct Rgba32
        {
            uint8_t red; /*!< \brief 8-bit red channel 32-bit BGRA pixel. */
            uint8_t green; /*!< \brief 8-bit green channel 32-bit BGRA pixel. */
            uint8_t blue; /*!< \brief 8-bit blue channel 32-bit BGRA pixel. */
            uint8_t alpha; /*!< \brief 8-bit alpha channel 32-bit RGBA pixel. */

            /*!
                Creates a new 32-bit RGBA pixel structure with specified channel values.

                \param [in] gray - initial value for all channels. It is equal to 0 by default.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Rgba32(const uint8_t& gray = uint8_t(0), const uint8_t& a = uint8_t(255));

            /*!
                Creates a new 32-bit RGBA pixel structure with specified channel values.

                \param [in] r - initial value for red channel.
                \param [in] g - initial value for green channel.
                \param [in] b - initial value for blue channel.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Rgba32(const uint8_t& r, const uint8_t& g, const uint8_t& b, const uint8_t& a = uint8_t(255));

            /*!
                Creates a new 32-bit RGBA pixel structure on the base of 32-bit BGRA pixel.

                \param [in] p - 32-bit BGRA pixel.
            */
            Rgba32(const Bgra32& p);

            /*!
                Creates a new 32-bit RGBA pixel structure on the base of 24-bit BGR pixel.

                \param [in] p - 24-bit BGR pixel.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Rgba32(const Bgr24& p, const uint8_t& a = uint8_t(255));

            /*!
                Creates a new of 32-bit RGBA pixel structure on the base of 24-bit RGB pixel.

                \param [in] p - 24-bit RGB pixel.
                \param [in] a - initial value for alpha channel. It is equal to 255 by default.
            */
            Rgba32(const Rgb24& p, const uint8_t& a = uint8_t(255));

            /*!
                Creates a copy of 32-bit RGBA pixel structure.

                \param [in] p - 32-bit RGBA pixel.
            */
            Rgba32(const Rgba32& p);

            /*!
                \fn template <template<class> class A> static const Rgba32 & At(const View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets constant reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 32-bit RGBA pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a constant reference to the pixel.
            */
            template <template<class> class A> static const Rgba32& At(const View<A>& view, ptrdiff_t col, ptrdiff_t row);

            /*!
                \fn template <template<class> class A> static Rgba32 & At(View<A> & view, ptrdiff_t col, ptrdiff_t row);

                Gets reference to the pixel with specific coordinates at the image view.

                \param [in] view - an image view of 32-bit RGBA pixel format.
                \param [in] col - x-coordinate of the pixel.
                \param [in] row - y-coordinate of the pixel.
                \return a reference to the pixel.
            */
            template <template<class> class A> static Rgba32& At(View<A>& view, ptrdiff_t col, ptrdiff_t row);
        };

        //-------------------------------------------------------------------------

        // struct Bgr24 implementation:

        SIMD_INLINE Bgr24::Bgr24(const uint8_t & gray)
            : blue(gray)
            , green(gray)
            , red(gray)
        {
        }

        SIMD_INLINE Bgr24::Bgr24(const uint8_t & b, const uint8_t & g, const uint8_t & r)
            : blue(b)
            , green(g)
            , red(r)
        {
        }

        SIMD_INLINE Bgr24::Bgr24(const Bgra32 & p)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
        {
        }

        SIMD_INLINE Bgr24::Bgr24(const Rgb24 & p)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
        {
        }

        SIMD_INLINE Bgr24::Bgr24(const Rgba32& p)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
        {
        }

        SIMD_INLINE Bgr24::Bgr24(const Bgr24 & p)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
        {
        }

        template <template<class> class A> SIMD_INLINE const Bgr24 & Bgr24::At(const View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Bgr24);

            return Simd::At<A, Bgr24>(view, col, row);
        }

        template <template<class> class A> SIMD_INLINE Bgr24 & Bgr24::At(View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Bgr24);

            return Simd::At<A, Bgr24>(view, col, row);
        }

        // struct Bgra32 implementation:

        SIMD_INLINE Bgra32::Bgra32(const uint8_t & gray, const uint8_t & a)
            : blue(gray)
            , green(gray)
            , red(gray)
            , alpha(a)
        {
        }

        SIMD_INLINE Bgra32::Bgra32(const uint8_t & b, const uint8_t & g, const uint8_t & r, const uint8_t & a)
            : blue(b)
            , green(g)
            , red(r)
            , alpha(a)
        {
        }

        SIMD_INLINE Bgra32::Bgra32(const Bgr24 & p, const uint8_t & a)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
            , alpha(a)
        {
        }

        SIMD_INLINE Bgra32::Bgra32(const Rgb24 & p, const uint8_t & a)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
            , alpha(a)
        {
        }

        SIMD_INLINE Bgra32::Bgra32(const Rgba32& p)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
            , alpha(p.alpha)
        {
        }

        SIMD_INLINE Bgra32::Bgra32(const Bgra32 & p)
            : blue(p.blue)
            , green(p.green)
            , red(p.red)
            , alpha(p.alpha)
        {
        }

        template <template<class> class A> SIMD_INLINE const Bgra32 & Bgra32::At(const View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Bgra32);

            return Simd::At<A, Bgra32>(view, col, row);
        }

        template <template<class> class A> SIMD_INLINE Bgra32 & Bgra32::At(View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Bgra32);

            return Simd::At<A, Bgra32>(view, col, row);
        }

        // struct Hsv24 implementation:

        SIMD_INLINE Hsv24::Hsv24(const uint8_t & gray)
            : hue(0)
            , saturation(0)
            , value(gray)
        {
        }

        SIMD_INLINE Hsv24::Hsv24(const uint8_t & h, const uint8_t & s, const uint8_t & v)
            : hue(h)
            , saturation(s)
            , value(v)
        {
        }

        SIMD_INLINE Hsv24::Hsv24(const Hsv24 & p)
            : hue(p.hue)
            , saturation(p.saturation)
            , value(p.value)
        {
        }

        template <template<class> class A> SIMD_INLINE const Hsv24 & Hsv24::At(const View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Hsv24);

            return Simd::At<A, Hsv24>(view, col, row);
        }

        template <template<class> class A> SIMD_INLINE Hsv24 & Hsv24::At(View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Hsv24);

            return Simd::At<A, Hsv24>(view, col, row);
        }

        // struct Hsl24 implementation:

        SIMD_INLINE Hsl24::Hsl24(const uint8_t & gray)
            : hue(0)
            , saturation(0)
            , lightness(gray)
        {
        }

        SIMD_INLINE Hsl24::Hsl24(const uint8_t & h, const uint8_t & s, const uint8_t & l)
            : hue(h)
            , saturation(s)
            , lightness(l)
        {
        }

        SIMD_INLINE Hsl24::Hsl24(const Hsl24 & p)
            : hue(p.hue)
            , saturation(p.saturation)
            , lightness(p.lightness)
        {
        }

        template <template<class> class A> SIMD_INLINE const Hsl24 & Hsl24::At(const View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Hsl24);

            return Simd::At<A, Hsl24>(view, col, row);
        }

        template <template<class> class A> SIMD_INLINE Hsl24 & Hsl24::At(View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Hsl24);

            return Simd::At<A, Hsl24>(view, col, row);
        }

        // struct Rgb24 implementation:

        SIMD_INLINE Rgb24::Rgb24(const uint8_t & gray)
            : red(gray)
            , green(gray)
            , blue(gray)
        {
        }

        SIMD_INLINE Rgb24::Rgb24(const uint8_t & r, const uint8_t & g, const uint8_t & b)
            : red(r)
            , green(g)
            , blue(b)
        {
        }

        SIMD_INLINE Rgb24::Rgb24(const Bgra32 & p)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
        {
        }

        SIMD_INLINE Rgb24::Rgb24(const Bgr24 & p)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
        {
        }

        SIMD_INLINE Rgb24::Rgb24(const Rgba32& p)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
        {
        }

        SIMD_INLINE Rgb24::Rgb24(const Rgb24 & p)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
        {
        }

        template <template<class> class A> SIMD_INLINE const Rgb24 & Rgb24::At(const View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Rgb24);

            return Simd::At<A, Rgb24>(view, col, row);
        }

        template <template<class> class A> SIMD_INLINE Rgb24 & Rgb24::At(View<A> & view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Rgb24);

            return Simd::At<A, Rgb24>(view, col, row);
        }

        // struct Rgba32 implementation:

        SIMD_INLINE Rgba32::Rgba32(const uint8_t& gray, const uint8_t& a)
            : red(gray)
            , green(gray)
            , blue(gray)
            , alpha(a)
        {
        }

        SIMD_INLINE Rgba32::Rgba32(const uint8_t& r, const uint8_t& g, const uint8_t& b, const uint8_t& a)
            : red(r)
            , green(g)
            , blue(b)
            , alpha(a)
        {
        }

        SIMD_INLINE Rgba32::Rgba32(const Bgra32& p)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
            , alpha(p.alpha)
        {
        }        
        
        SIMD_INLINE Rgba32::Rgba32(const Bgr24& p, const uint8_t& a)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
            , alpha(a)
        {
        }

        SIMD_INLINE Rgba32::Rgba32(const Rgb24& p, const uint8_t& a)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
            , alpha(a)
        {
        }

        SIMD_INLINE Rgba32::Rgba32(const Rgba32& p)
            : red(p.red)
            , green(p.green)
            , blue(p.blue)
            , alpha(p.alpha)
        {
        }

        template <template<class> class A> SIMD_INLINE const Rgba32& Rgba32::At(const View<A>& view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Rgba32);

            return Simd::At<A, Rgba32>(view, col, row);
        }

        template <template<class> class A> SIMD_INLINE Rgba32& Rgba32::At(View<A>& view, ptrdiff_t col, ptrdiff_t row)
        {
            assert(view.format == View<A>::Rgba32);

            return Simd::At<A, Rgba32>(view, col, row);
        }
    }
}

#endif//__SimdPixel_hpp__