/* 
    ptrnt - print labels on linux
    Copyright (C) 2023-2025  Moritz Martinius

    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/>.

 */

#pragma once

#include <cstdint>
#include <memory>
#include <span>
#include <vector>

namespace ptprnt::graphics {

using ALPHA8 = std::uint8_t;   // Alpha only, 8 bit per pixel
using RGBX8  = std::uint32_t;  // RGB, least significant byte unused, 8 bit per channel
using RGBA8  = std::uint32_t;  // RGB, least significant byte alpha, 8 bit per channel
using ARGB8  = std::uint32_t;  // RGB, most significant byte alpha, 8 bit per channel

template <class T>
class Bitmap {
   public:
    Bitmap(uint16_t width, uint16_t height);
    ~Bitmap() = default;

    Bitmap(const Bitmap&)            = default;
    Bitmap& operator=(const Bitmap&) = default;
    Bitmap(Bitmap&&)                 = default;
    Bitmap& operator=(Bitmap&&)      = default;

    [[nodiscard]] uint16_t getWidth() const;
    [[nodiscard]] uint16_t getHeight() const;
    bool setPixels(const std::vector<T>& pixels);
    [[nodiscard]] std::vector<T> getPixelsCpy() const;
    [[nodiscard]] std::vector<T> getLine(uint16_t line) const;
    [[nodiscard]] std::vector<T> getCol(uint16_t col) const;
    void visualize() const;

   private:
    uint16_t mWidth;
    uint16_t mHeight;
    std::vector<T> mPixels;
};

// force compiler to generate class for type ALPHA8 and RGBX8
template class Bitmap<ALPHA8>;
template class Bitmap<RGBX8>;

}  // namespace ptprnt::graphics