File.h

#pragma once
#include <string>
#include <fstream>

class File {
    public:

        // storing file header data
        struct Header {
            char idLength;
            char colorMapType;
            char dataTypeCode;
            short colorMapOrigin;
            short colorMapLength;
            char colorMapDepth;
            short xOrigin;
            short yOrigin;
            short width;
            short height;
            char bitsPerPixel;
            char imageDescriptor;
        };

        // storing pixel data
        struct Pixel {
            unsigned char blue;
            unsigned char green;
            unsigned char red;
        };

        // constructor and destructor
        File(std::string fileName);
        ~File();

        // define essential functions
    bool ReadFile(std::string fileName);
    bool WriteFile(std::string fileName);

        Header readHeader(std::ifstream& file);
        void writeHeader(Header header, std::ofstream& file);

        Pixel** readPixelArray(std::ifstream& file, int width, int height);
        void writePixelArray(Pixel** pixelArray, std::ofstream& file);

    Header getHeader();

    private:
        Header header;
        Pixel** pixelArray;
};