Image.h

#ifndef IMAGE_H
#define IMAGE_H
#endif

#include <stdint.h>
#include <iostream>
#include <cstring>
#include <string>
#include <math.h>
#include <vector>
#include <map>

struct Image {
    std::vector<uint8_t> data;
    size_t size = 0;
    int w;
    int h;
    int channels;

    Image();
    Image(const char* filename);
    Image(int w, int h, int channels);
    Image(const Image& img);

    bool read(const char* filename);
    bool write(const char* filename) const;

    Image& colorMask(float r, float g, float b);
    Image colorMaskNew(float r, float g, float b);
    Image& overlay(const Image& source, int x, int y);
    Image& resizeFast(uint16_t rw, uint16_t rh); // nearest neighbor
    Image resizeFastNew(uint16_t rw, uint16_t rh);
    Image cropNew(uint16_t cx, uint16_t cy, uint16_t cw, uint16_t ch);

    Image& rect(uint16_t cx, uint16_t cy, uint16_t cw, uint16_t ch, uint8_t r, uint8_t b, uint8_t g);
    Image& rectOutline(uint16_t cx, uint16_t cy, uint16_t cw, uint16_t ch, uint8_t r, uint8_t b, uint8_t g);

    Image& rect(uint8_t r, uint8_t b, uint8_t g);
    Image& rectOutline(uint8_t r, uint8_t b, uint8_t g);

    Image quadifyFrameBW(std::map<std::pair<int, int>, Image>& resizedAmogi);
    void subdivideBW(uint16_t sx, uint16_t sy, uint16_t sw, uint16_t sh, Image& frame, std::map<std::pair<int, int>, Image>& resizedAmogi);
    int subdivideCheckBW(uint16_t sx, uint16_t sy, uint16_t sw, uint16_t sh);

    Image quadifyFrameRGB(std::map<std::pair<int, int>, Image>& resizedAmogi);
    void subdivideRGB(uint16_t sx, uint16_t sy, uint16_t sw, uint16_t sh, Image& frameRGB, std::map<std::pair<int, int>, Image>& resizedAmogi);
    std::tuple<bool, int, int, int> subdivideCheckRGB(uint16_t sx, uint16_t sy, uint16_t sw, uint16_t sh);

    std::map<std::pair<int, int>, Image> preloadResized(int sw, int sh);
    void subdivideValues(int sx, int sy, int sw, int sh, std::map<std::pair<int, int>, Image>& image_map);
};