Image.h

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/*******************************************************************************
 * This file is part of the Zivid 3D Camera API
 *
 * Copyright 2015-2020 (C) Zivid AS
 * All rights reserved.
 * 
 * Zivid Software License, v1.0
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of Zivid AS nor the names of its contributors may be used
 * to endorse or promote products derived from this software without specific
 * prior written permission.
 * 
 * 4. This software, with or without modification, must not be used with any
 * other 3D camera than from Zivid AS.
 * 
 * 5. Any software provided in binary form under this license must not be
 * reverse engineered, decompiled, modified and/or disassembled.
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 * THIS SOFTWARE IS PROVIDED BY ZIVID AS "AS IS" AND ANY EXPRESS OR IMPLIED
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#pragma once
 
#include "Zivid/APIExport.h"
 
#include <memory>
#include <string>
#include <type_traits>
 
namespace Zivid
{
    struct RGBA8
    {
        uint8_t r, g, b, a;
    };
    static_assert(sizeof(RGBA8) == 4, "RGBA8 must be packed");
 
    template<class PixelFormat>
    class ImageImpl;
 
    template<class PixelFormat>
    class Image
    {
    public:
        static_assert(std::is_same<PixelFormat, Zivid::RGBA8>::value, "PixelFormat must be Zivid::RGBA8.");
 
        ZIVID_API_EXPORT_TEMPLATE_H size_t width() const;
 
        ZIVID_API_EXPORT_TEMPLATE_H size_t height() const;
 
        ZIVID_API_EXPORT_TEMPLATE_H size_t size() const;
 
        ZIVID_API_EXPORT_TEMPLATE_H const PixelFormat *dataPtr() const;
 
        const PixelFormat &operator()(size_t idx) const
        {
            return *(dataPtr() + idx);
        }
 
        const PixelFormat &operator()(size_t i, size_t j) const
        {
            return operator()(width() * i + j);
        }
 
        ZIVID_API_EXPORT_TEMPLATE_H void save(const std::string &fileName) const;
 
        ZIVID_API_EXPORT_TEMPLATE_H std::string toString() const;
 
#ifndef NO_DOC
        explicit Image(ImageImpl<PixelFormat> &&imageImpl)
            : m_impl(std::make_shared<ImageImpl<PixelFormat>>(std::move(imageImpl)))
        {}
#endif
 
    private:
        std::shared_ptr<ImageImpl<PixelFormat>> m_impl;
    };
} // namespace Zivid