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51 lines
1.5 KiB
51 lines
1.5 KiB
1 year ago
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// AMapUtility.h
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// AMapFoundation
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//
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// Created by xiaoming han on 15/10/27.
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// Copyright © 2015年 Amap. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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#import <CoreLocation/CoreLocation.h>
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//工具方法
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/**
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* @brief 如果字符串为nil则返回空字符串
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*/
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FOUNDATION_STATIC_INLINE NSString * AMapEmptyStringIfNil(NSString *s)
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{
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return s ? s : @"";
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}
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///坐标类型枚举
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typedef NS_ENUM(NSInteger, AMapCoordinateType)
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{
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AMapCoordinateTypeAMap = -1, ///<AMap
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AMapCoordinateTypeBaidu = 0, ///<Baidu
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AMapCoordinateTypeMapBar, ///<MapBar
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AMapCoordinateTypeMapABC, ///<MapABC
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AMapCoordinateTypeSoSoMap, ///<SoSoMap
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AMapCoordinateTypeAliYun, ///<AliYun
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AMapCoordinateTypeGoogle, ///<Google
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AMapCoordinateTypeGPS, ///<GPS
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};
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/**
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* @brief 转换目标经纬度为高德坐标系，不在枚举范围内的经纬度将直接返回。
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* @param coordinate 待转换的经纬度
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* @param type 坐标系类型
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* @return 高德坐标系经纬度
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*/
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FOUNDATION_EXTERN CLLocationCoordinate2D AMapCoordinateConvert(CLLocationCoordinate2D coordinate, AMapCoordinateType type);
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/**
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* @brief 判断目标经纬度处是否有高德数据。输入参数为高德坐标系。此方法为粗略判断，在边界地区可能会不准确。
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* @param coordinate 待判断的目标经纬度
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* @return 布尔值。YES:有数据，NO:没数据
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*/
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FOUNDATION_EXTERN BOOL AMapDataAvailableForCoordinate(CLLocationCoordinate2D coordinate);
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