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// Display images inside a terminal
// Copyright (C) 2023 JustKidding
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#ifndef IMAGE_H
#define IMAGE_H
#include <filesystem>
#include <memory>
#include <nlohmann/json.hpp>
#include <string>
#include "dimensions.hpp"
#include "terminal.hpp"
class Image
{
public:
static auto load(const nlohmann::json &command, const Terminal *terminal) -> std::unique_ptr<Image>;
static auto check_cache(const Dimensions &dimensions, const std::filesystem::path &orig_path) -> std::string;
static auto get_dimensions(const nlohmann::json &json, const Terminal *terminal) -> std::shared_ptr<Dimensions>;
virtual ~Image() = default;
[[nodiscard]] virtual auto dimensions() const -> const Dimensions & = 0;
[[nodiscard]] virtual auto width() const -> int = 0;
[[nodiscard]] virtual auto height() const -> int = 0;
[[nodiscard]] virtual auto size() const -> size_t = 0;
[[nodiscard]] virtual auto data() const -> const unsigned char * = 0;
[[nodiscard]] virtual auto channels() const -> int = 0;
[[nodiscard]] virtual auto frame_delay() const -> int { return -1; }
[[nodiscard]] virtual auto is_animated() const -> bool { return false; }
[[nodiscard]] virtual auto filename() const -> std::string = 0;
virtual auto next_frame() -> void {}
protected:
[[nodiscard]] auto get_new_sizes(double max_width, double max_height, std::string_view scaler,
int scale_factor = 0) const -> std::pair<int, int>;
};
#endif
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