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120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
#pragma once
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#include <QObject>
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/**
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* @brief The TiMapCacheTile class 瓦片数据
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*/
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class TiMapTile : public QObject
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{
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Q_OBJECT
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public:
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explicit TiMapTile(uint hash) : m_hash(hash) { }
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uint hash() const { return m_hash; }
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QByteArray img() const { return m_img; }
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int size() const { return m_size; }
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QString format() const { return m_format; }
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int x() const { return m_x; }
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int y() const { return m_y; }
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int zoom() const { return m_zoom; }
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QString type() const { return m_type; }
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int mapId() const { return m_mapId; }
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void setImg(const QByteArray& img) { m_img = img; }
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void setSize(int size) { m_size = size; }
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void setFormat(const QString& format) { m_format = format; }
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void setX(int x) { m_x = x; }
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void setY(int y) { m_y = y; }
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void setZoom(int z) { m_zoom = z; }
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void setType(const QString& type) { m_type = type; }
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void setMapId(int id) { m_mapId = id; }
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private:
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uint m_hash = 0; //由 x,y,zoom,type,计算得到的哈希值,具有tile的唯一性
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QByteArray m_img; //瓦片具体数据
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int m_size = 0; //瓦片数据大小
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QString m_format; //瓦片格式
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int m_x = 0; //瓦片x
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int m_y = 0; //瓦片y
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int m_zoom = 0; //瓦片zoom
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QString m_type; //地图类型
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int m_mapId = 0; //地图类型ID
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};
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/**
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* @brief The TiMapTask class 任务基类
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*/
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class TiMapTask : public QObject
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{
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Q_OBJECT
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public:
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enum TaskType { taskInit, taskTestInternet, taskCacheTile, taskFetchTile };
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Q_ENUM(TaskType)
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TiMapTask(TaskType type) : m_type(type) { }
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virtual ~TiMapTask() { }
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virtual TaskType type() { return m_type; }
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void setError(QString errorString = QString()) { emit error(type(), errorString); }
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signals:
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void error(TiMapTask::TaskType type, QString errorString);
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private:
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TaskType m_type;
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};
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/**
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* @brief The TiMapTestInternetTask class 测试网络连接
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* 弃用
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*/
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class TiMapTestInternetTask : public TiMapTask
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{
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Q_OBJECT
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public:
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TiMapTestInternetTask() : TiMapTask(TiMapTask::taskTestInternet) { }
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};
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/**
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* @brief The TiMapFetchTileTask class tile(瓦片)获取任务类
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*/
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class TiMapFetchTileTask : public TiMapTask
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{
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Q_OBJECT
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public:
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TiMapFetchTileTask(uint hash) : TiMapTask(TiMapTask::taskFetchTile), m_hash(hash) { }
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//设置已经获取到的tile
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void setTileFetched(TiMapTile* tile) { emit tileFetched(tile); }
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uint hash() const { return m_hash; }
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signals:
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void tileFetched(TiMapTile* tile);
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private:
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uint m_hash;
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};
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/**
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* @brief The TiMapSaveTileTask class tile 保存类
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*/
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class TiMapSaveTileTask : public TiMapTask
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{
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Q_OBJECT
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public:
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TiMapSaveTileTask(TiMapTile* tile) : TiMapTask(TiMapTask::taskCacheTile), m_tile(tile) { }
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~TiMapSaveTileTask()
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{
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if (m_tile) {
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delete m_tile;
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m_tile = nullptr;
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}
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}
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TiMapTile* tile() const { return m_tile; }
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private:
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TiMapTile* m_tile = nullptr;
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};
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