77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/* This file is a part of Calyp project
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* Copyright (C) 2014-2021 by Joao Carreira (jfmcarreira@gmail.com)
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* Luis Lucas (luisfrlucas@gmail.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/**
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* \file CalypPlane.h
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* \ingroup CalypFrameGrp
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* \brief Video Frame Plane handling
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*/
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#ifndef __CALYPPLANE_H__
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#define __CALYPPLANE_H__
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#include <span>
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#include <vector>
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#include "CalypDefs.h"
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/**
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* \class CalypPlane
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* \ingroup CalypLibGrp CalypPlaneGrp
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* \brief Frame handling class
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*/
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template <typename T>
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class CalypPlane
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{
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public:
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CalypPlane() noexcept = default;
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CalypPlane( std::size_t width, std::size_t height ) noexcept { resize( width, height ); }
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~CalypPlane() noexcept = default;
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CalypPlane( const CalypPlane& buffer ) noexcept = default;
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CalypPlane( CalypPlane&& buffer ) noexcept = default;
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auto operator=( const CalypPlane& buffer ) -> CalypPlane& = default;
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auto operator=( CalypPlane&& buffer ) noexcept -> CalypPlane& = default;
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auto operator[]( std::size_t row ) const& noexcept -> const std::span<T>& { return m_rows[row]; }
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auto operator[]( std::size_t row ) & noexcept -> std::span<T>& { return m_rows[row]; }
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auto operator[]( std::size_t row ) const&& noexcept { return m_rows[row]; }
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auto operator[]( std::size_t row ) && noexcept { return m_rows[row]; }
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auto data() noexcept { return std::span<T>( m_data ); }
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auto data() const noexcept { return std::span<const T>( m_data ); }
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void resize( std::size_t width, std::size_t height ) noexcept
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{
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m_data.resize( width * height );
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m_rows.resize( height );
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for( std::size_t y = 0; y < height; y++ )
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{
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m_rows[y] = std::span<T>( m_data ).subspan( y * width, width );
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}
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}
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private:
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std::vector<T> m_data;
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std::vector<std::span<T>> m_rows;
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};
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#endif // __CALYPPLANE_H__
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