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#pragma once
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#include "Xy.h"
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#include "LayerName.h"
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#include <filesystem>
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#include <afxinet.h>
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#include <thread>
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#include <mutex>
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#include <queue>
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#include <atomic>
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#include <string>
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#include <memory>
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// forward declarations
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class CXy;
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namespace cv { class Mat; }
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namespace fs = std::filesystem;
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// --- SQLite
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#include <sqlite3.h>
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class AFX_EXT_CLASS MapViewLayer
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{
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public:
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MapViewLayer(void);
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virtual ~MapViewLayer(void);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͶӰ<CDB6><D3B0><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA>γ<EFBFBD><CEB3>
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bool MapProjection(CXy *pXy, CRect8 rect, bool state = false);
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> + ƴ<><C6B4> + <20>ü<EFBFBD> + <20><><EFBFBD><EFBFBD>
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// - ʹ<><CAB9> SQLite <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƭ<EFBFBD><C6AC>MBTiles <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD>
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// - <20><><EFBFBD><EFBFBD> urls<6C><73> Ĭ<>Ϲ<EFBFBD><CFB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD>ַ
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// - <20><><EFBFBD><EFBFBD> path<74><68> SQLite <20>ļ<EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>磺C:\\tiles\\map_cache.sqlite
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// - <20><><EFBFBD><EFBFBD> outFile<6C><65><EFBFBD><EFBFBD><EFBFBD>ɵĵ<C9B5>ͼͼƬ·<C6AC><C2B7>
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// - <20><><EFBFBD><EFBFBD> threadCount<6E><74>Ĭ<EFBFBD><C4AC><EFBFBD>߳<EFBFBD><DFB3><EFBFBD>
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bool SaveTDTMapCroppedParallel(int zoom,
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const CString& urls,
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const CString& path,
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const CString& outFile,
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int threadCount = 12,
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std::function<void(int completed, int total)> progressCallback = nullptr);
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void StopTask();
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protected:
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// <20><>γ<EFBFBD><CEB3>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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int lon2tileX(double lon, int zoom);
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int lat2tileY(double lat, int zoom);
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double lon2pixelX(double lon, int zoom);
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double lat2pixelY(double lat, int zoom);
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//ת<><D7AA>WGS-84<38><34>GCJ-02(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ)
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void WGS84ToGCJ02(double& lon, double& lat);
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// SQLite
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bool InitTileDatabase(const fs::path& dbPath);
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bool ReadTileFromSQLite(sqlite3* db, int z, int x, int y,
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const CString& url, cv::Mat& outTile);
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bool InsertTileToSQLite(sqlite3* db, int z, int x, int y,
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const CString& url,
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const unsigned char* data, int size);
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// <20><><EFBFBD>ص<EFBFBD><D8B5>ڴ棨<DAB4><E6A3A8> SQLite д<>룩
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bool DownloadTileBytes(const CString& url, std::vector<unsigned char>& out);
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//ȡͼ
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cv::Mat StitchTilesFromSQLite(int x0, int y0, int x1, int y1, int zoom, sqlite3* db);
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protected:
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double m_dX0, m_dY0; // <20><><EFBFBD>ϵ㾭γ<E3BEAD><CEB3>
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double m_dX1, m_dY1; // <20><><EFBFBD>µ㾭γ<E3BEAD><CEB3>
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std::atomic<bool> m_cancelFlags; //<2F><><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>־
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std::mutex m_httpMut;
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std::vector<std::shared_ptr<CHttpFile>> m_activeHttpFiles;
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};
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