/*
 * image_backend.hpp -- image object (SDL2 implementation)
 *
 * Copyright (c) 2013-2016 Malikania Authors
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef MALIKANIA_IMAGE_BACKEND_HPP
#define MALIKANIA_IMAGE_BACKEND_HPP

#include <memory>

#include <SDL.h>

#include <malikania/size.hpp>
#include <malikania/image.hpp>

namespace mlk {

class image;
class point;
class rectangle;
class window;

class image::backend_impl {
private:
    std::unique_ptr<SDL_Surface, void (*)(SDL_Surface *)> m_surface;
    std::unique_ptr<SDL_Texture, void (*)(SDL_Texture *)> m_texture;

    mlk::size m_size;

    void create_texture(window& window);

public:
    backend_impl(image& self, std::string data);

    inline SDL_Texture* texture() noexcept
    {
        return m_texture.get();
    }

    inline const mlk::size& size() const noexcept
    {
        return m_size;
    }

    void draw(window& window, const point& position);

    void draw(window& window, const rectangle& source, const rectangle& target);
};

} // !mlk

#endif // !MALIKANIA_IMAGE_BACKEND_HPP