#ifndef GOOGLE_TILE_H
#define GOOGLE_TILE_H

#include <opencv2/opencv.hpp>
#include <string>
#include <vector>

class googleTile
{
public:
    struct TileInfo
    {
        int x;
        int y;
        double north;
        double south;
        double east;
        double west;
    };

    googleTile(const cv::Mat& img, const std::vector<std::pair<double, double>>& geoCorners, int zoom, const std::string& outputDir);

    void generateTiles();

private:
    cv::Mat image_;
    std::vector<std::pair<double, double>> geoCorners_; // 左上、右上、右下、左下
    int zoom_;
    std::string outputDir_;

    cv::Point2f latLonToGlobal(double lat, double lon);
    std::pair<double, double> globalToLatLon(const cv::Point2f& pt);
    cv::Mat computeHomography();
    void generateKML(const std::vector<TileInfo>& tiles);
};

#endif // GOOGLE_TILE_H