150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
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#pragma once
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#include <QtCore/QString>
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#include <QtCore/QDebug>
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#include <QtCore/QRectF>
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#include <include/crs.h>
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#include <include/layerprovider.h>
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#include <include/mapcanvasmap.h>
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namespace LAMPMainWidget {
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class MapCanvas;
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/*
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* 地图容器中的图层，属于数据的集合并不包含任何显示需要的数据
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*/
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class MapLayer {
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public:
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MapLayer(const QString &id, CRS *crs, MapCanvas *mapCanvas);
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MapLayer(const MapLayer &other);
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MapLayer(MapLayer &&other) noexcept;
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virtual ~MapLayer();
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MapLayer &operator=(const MapLayer &other);
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MapLayer &operator=(MapLayer &&other) noexcept;
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public:
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/*
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* 获取图层的id
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* @return 图层id字符串
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*/
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const QString &id() const { return mId; }
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/*
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* 获取图层的显示z值
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* @return z值
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*/
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const int zValue() const { return mZValue; }
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/*
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* 获取图层的坐标系
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* @return 图层的坐标系
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*/
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const CRS &crs() const { return *mCrs; }
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/*
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* 获取图层所属的map容器
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* @return 图层所属的map容器
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*/
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const MapCanvas &mapCanvas() const { return *mMapCanvas; }
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/*
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* 获取图层的数据提供对象
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* @return 图层的数据提供对象
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*/
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const LayerProvider &provider() const { return *mProvider; }
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/*
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* 设置图层的id
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* @param id 图层id
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*/
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void setId(const QString &id) { mId = id; }
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/*
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* 设置图层的z值
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* @param zValue 图层z值
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*/
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void setZValue(const int zValue) { mZValue = zValue; }
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/*
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* 设置图层的坐标系
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* @param crs 图层坐标系
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*/
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void setCrs(CRS *const crs) { mCrs = crs; }
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/*
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* 设置图层的数据提供对象
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* @param provider 图层的数据提供对象
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*/
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void setProvider(LayerProvider *const provider) { mProvider = provider; }
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/*
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* 获取图层的pixel:m比例尺
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* @return 图层的分辨率
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*/
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virtual double resolution() const = 0;
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/*
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* 获取图层的整个显示边界
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* @return 图层的显示边界
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*/
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virtual QRectF extent() const = 0;
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/*
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* 获取图层的当前zoom值
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* @return 图层的当前zoom值
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*/
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int zoomValue() const { return mZoomValue; }
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/*
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* 设置图层的当前zoom值
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* @param zoom 图层zoom值
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*/
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virtual void setZoomValue(int zoom) { mZoomValue = zoom; }
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/*
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* 设置图层所属的地图容器
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* @param map 图层所属的地图容器
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*/
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void setMap(MapCanvasMap *map) { mMapCanvasMap = map; }
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/*
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* 获取图层的显示图元，这是图层最终的显示对象
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* @return 图层的显示图元
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*/
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MapCanvasMap *map() const { return mMapCanvasMap; }
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/*
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* 判断图层是否可显示
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* @return 图层是否可显示，true显示，false则不显示
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*/
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bool isVisible() const {return mIsVisible;}
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/*
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* 设值图层的可显示属性
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* @param visible true为显示，false则不显示
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*/
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void setVisiblity(bool visible) {mIsVisible = visible;}
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/*
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* 刷新图层内容
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* @return 刷新图层内容，true则成功，否则为失败
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*/
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virtual void update();
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protected:
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QString mId;
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CRS *mCrs;
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int mZValue;
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int mZoomValue;
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LayerProvider *mProvider;
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MapCanvasMap *mMapCanvasMap;
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const MapCanvas *mMapCanvas;
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bool mIsVisible{false};
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private:
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const static int kDefaultZoomValue{10};
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};
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}
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