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491 lines
16 KiB
491 lines
16 KiB
1 year ago
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// MAGeometry.h
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// MAMapKit
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//
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// Created by AutoNavi.
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// Copyright (c) 2013年 Amap. All rights reserved.
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//
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#import "MAConfig.h"
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#import <CoreGraphics/CoreGraphics.h>
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#import <CoreLocation/CoreLocation.h>
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#import <UIKit/UIKit.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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///东北、西南两个点定义的四边形经纬度范围
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typedef struct MACoordinateBounds{
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CLLocationCoordinate2D northEast; ///< 东北角经纬度
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CLLocationCoordinate2D southWest; ///< 西南角经纬度
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} MACoordinateBounds;
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///经度、纬度定义的经纬度跨度范围
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typedef struct MACoordinateSpan{
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CLLocationDegrees latitudeDelta; ///< 纬度跨度
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CLLocationDegrees longitudeDelta; ///< 经度跨度
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} MACoordinateSpan;
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///中心点、跨度范围定义的四边形经纬度范围
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typedef struct MACoordinateRegion{
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CLLocationCoordinate2D center; ///< 中心点经纬度
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MACoordinateSpan span; ///< 跨度范围
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} MACoordinateRegion;
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///平面投影坐标结构定义
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typedef struct MAMapPoint{
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double x; ///<x坐标
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double y; ///<y坐标
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} MAMapPoint;
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///平面投影大小结构定义
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typedef struct MAMapSize{
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double width; ///<宽度
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double height; ///<高度
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} MAMapSize;
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///平面投影矩形结构定义
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typedef struct MAMapRect{
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MAMapPoint origin; ///<左上角坐标
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MAMapSize size; ///<大小
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} MAMapRect;
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typedef NS_OPTIONS(NSUInteger, MAMapRectCorner) {
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MAMapRectCornerTopLeft = 1 << 0,
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MAMapRectCornerTopRight = 1 << 1,
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MAMapRectCornerBottomLeft = 1 << 2,
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MAMapRectCornerBottomRight = 1 << 3,
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MAMapRectCornerAllCorners = ~0UL
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};
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///比例关系:MAZoomScale = Screen Point / MAMapPoint, 当MAZoomScale = 1时, 1 screen point = 1 MAMapPoint, 当MAZoomScale = 0.5时, 1 screen point = 2 MAMapPoints
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typedef double MAZoomScale;
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///世界范围大小
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extern const MAMapSize MAMapSizeWorld;
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///世界范围四边形
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extern const MAMapRect MAMapRectWorld;
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///(MAMapRect){{INFINITY, INFINITY}, {0, 0}};
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extern const MAMapRect MAMapRectNull;
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///(MAMapRect){{0, 0}, {0, 0}}
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extern const MAMapRect MAMapRectZero;
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static inline MACoordinateBounds MACoordinateBoundsMake(CLLocationCoordinate2D northEast,CLLocationCoordinate2D southWest)
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{
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return (MACoordinateBounds){northEast, southWest};
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}
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static inline MACoordinateSpan MACoordinateSpanMake(CLLocationDegrees latitudeDelta, CLLocationDegrees longitudeDelta)
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{
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return (MACoordinateSpan){latitudeDelta, longitudeDelta};
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}
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static inline MACoordinateRegion MACoordinateRegionMake(CLLocationCoordinate2D centerCoordinate, MACoordinateSpan span)
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{
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return (MACoordinateRegion){centerCoordinate, span};
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}
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/**
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* @brief 生成一个新的MACoordinateRegion
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* @param centerCoordinate 中心点坐标
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* @param latitudinalMeters 垂直跨度(单位 米)
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* @param longitudinalMeters 水平跨度(单位 米)
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* @return 新的MACoordinateRegion
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*/
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extern MACoordinateRegion MACoordinateRegionMakeWithDistance(CLLocationCoordinate2D centerCoordinate, CLLocationDistance latitudinalMeters, CLLocationDistance longitudinalMeters);
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/**
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* @brief 经纬度坐标转平面投影坐标
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* @param coordinate 要转化的经纬度坐标
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* @return 平面投影坐标
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*/
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extern MAMapPoint MAMapPointForCoordinate(CLLocationCoordinate2D coordinate);
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/**
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* @brief 平面投影坐标转经纬度坐标
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* @param mapPoint 要转化的平面投影坐标
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* @return 经纬度坐标
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*/
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extern CLLocationCoordinate2D MACoordinateForMapPoint(MAMapPoint mapPoint);
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/**
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* @brief 平面投影矩形转region
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* @param rect 要转化的平面投影矩形
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* @return region
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*/
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extern MACoordinateRegion MACoordinateRegionForMapRect(MAMapRect rect);
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/**
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* @brief region转平面投影矩形
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* @param region region 要转化的region
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* @return 平面投影矩形
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*/
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extern MAMapRect MAMapRectForCoordinateRegion(MACoordinateRegion region);
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/**
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* @brief 单位投影的距离
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* @param latitude 经纬度
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* @return 距离
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*/
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extern CLLocationDistance MAMetersPerMapPointAtLatitude(CLLocationDegrees latitude);
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/**
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* @brief 1米对应的投影
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* @param latitude 经纬度
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* @return 1米对应的投影
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*/
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extern double MAMapPointsPerMeterAtLatitude(CLLocationDegrees latitude);
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/**
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* @brief 投影两点之间的距离
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* @param a a点
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* @param b b点
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* @return 距离
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*/
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extern CLLocationDistance MAMetersBetweenMapPoints(MAMapPoint a, MAMapPoint b);
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/**
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* @brief 经纬度间的面积(单位 平方米)
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* @param northEast 东北经纬度
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* @param southWest 西南经纬度
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* @return 面积
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*/
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extern double MAAreaBetweenCoordinates(CLLocationCoordinate2D northEast, CLLocationCoordinate2D southWest);
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/**
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* @brief 获取Inset后的MAMapRect
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* @param rect rect
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* @param dx x点
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* @param dy y点
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* @return MAMapRect
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*/
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extern MAMapRect MAMapRectInset(MAMapRect rect, double dx, double dy);
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/**
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* @brief 合并两个MAMapRect
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* @param rect1 rect1
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* @param rect2 rect2
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* @return 合并后的rect
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*/
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extern MAMapRect MAMapRectUnion(MAMapRect rect1, MAMapRect rect2);
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/**
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* @brief 判断size1是否包含size2
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* @param size1 size1
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* @param size2 size2
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* @return 判断结果
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*/
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extern BOOL MAMapSizeContainsSize(MAMapSize size1, MAMapSize size2);
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/**
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* @brief 判断点是否在矩形内
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* @param rect 矩形rect
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* @param point 点
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* @return 判断结果
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*/
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extern BOOL MAMapRectContainsPoint(MAMapRect rect, MAMapPoint point);
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/**
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* @brief 判断两矩形是否相交
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* @param rect1 rect1
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* @param rect2 rect2
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* @return 判断结果
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*/
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extern BOOL MAMapRectIntersectsRect(MAMapRect rect1, MAMapRect rect2);
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/**
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* @brief 判断矩形rect1是否包含矩形rect2
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* @param rect1 rect1
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* @param rect2 rect2
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* @return 判断结果
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*/
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extern BOOL MAMapRectContainsRect(MAMapRect rect1, MAMapRect rect2);
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/**
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* @brief 判断点是否在圆内
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* @param point 点
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* @param center 圆的中心点
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* @param radius 圆的半径，单位米
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* @return 判断结果
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*/
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extern BOOL MACircleContainsPoint(MAMapPoint point, MAMapPoint center, double radius);
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/**
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* @brief 判断经纬度点是否在圆内
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* @param point 经纬度
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* @param center 圆的中心经纬度
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* @param radius 圆的半径，单位米
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* @return 判断结果
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*/
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extern BOOL MACircleContainsCoordinate(CLLocationCoordinate2D point, CLLocationCoordinate2D center, double radius);
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/**
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* @brief 获取某坐标点距线上最近的坐标点
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* @param point 点
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* @param polyline 线
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* @param count 线里点的数量
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* @return 某点到线上最近的点
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*/
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extern MAMapPoint MAGetNearestMapPointFromPolyline(MAMapPoint point, MAMapPoint *polyline, NSUInteger count);
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/**
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* @brief 判断点是否在多边形内
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* @param point 点
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* @param polygon 多边形
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* @param count 多边形点的数量
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* @return 判断结果
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*/
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extern BOOL MAPolygonContainsPoint(MAMapPoint point, MAMapPoint *polygon, NSUInteger count);
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/**
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* @brief 判断经纬度点是否在多边形内
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* @param point 经纬度点
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* @param polygon 多边形
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* @param count 多边形点的数量
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* @return 判断结果
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*/
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extern BOOL MAPolygonContainsCoordinate(CLLocationCoordinate2D point, CLLocationCoordinate2D *polygon, NSUInteger count);
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/**
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* @brief 取在lineStart和lineEnd组成的线段上距离point距离最近的点
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* @param lineStart 线段起点
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* @param lineEnd 线段终点
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* @param point 测试点
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* @return 距离point最近的点坐标
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*/
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extern MAMapPoint MAGetNearestMapPointFromLine(MAMapPoint lineStart, MAMapPoint lineEnd, MAMapPoint point);
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/**
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* @brief 获取墨卡托投影切块回调block，如果是无效的映射，则返回(-1, -1, 0, 0, 0, 0)
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* @param offsetX 左上点距离所属tile的位移X, 单位像素
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* @param offsetY 左上点距离所属tile的位移Y, 单位像素
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* @param minX 覆盖tile的最小x
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* @param maxX 覆盖tile的最大x
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* @param minY 覆盖tile的最小y
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* @param maxY 覆盖tile的最大y
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*/
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typedef void (^AMapTileProjectionBlock)(int offsetX, int offsetY, int minX, int maxX, int minY, int maxY);
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/**
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* @brief 根据所给经纬度区域获取墨卡托投影切块信息
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* @param bounds 经纬度区域
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* @param levelOfDetails 对应缩放级别, 取值0-20
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* @param tileProjection 返回的切块信息block
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*/
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extern void MAGetTileProjectionFromBounds(MACoordinateBounds bounds, int levelOfDetails, AMapTileProjectionBlock tileProjection);
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/**
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* @brief 计算多边形面积，点与点之间按顺序尾部相连, 第一个点与最后一个点相连
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* @param coordinates 指定的经纬度坐标点数组，C数组，调用者负责内存管理
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* @param count 坐标点的个数
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* @return 多边形的面积
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*/
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extern double MAAreaForPolygon(CLLocationCoordinate2D *coordinates, int count);
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static inline MAMapPoint MAMapPointMake(double x, double y)
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{
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return (MAMapPoint){x, y};
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}
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static inline MAMapSize MAMapSizeMake(double width, double height)
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{
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return (MAMapSize){width, height};
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}
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static inline MAMapRect MAMapRectMake(double x, double y, double width, double height)
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{
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return (MAMapRect){MAMapPointMake(x, y), MAMapSizeMake(width, height)};
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}
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static inline double MAMapRectGetMinX(MAMapRect rect)
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{
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return rect.origin.x;
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}
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static inline double MAMapRectGetMinY(MAMapRect rect)
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{
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return rect.origin.y;
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}
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static inline double MAMapRectGetMidX(MAMapRect rect)
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{
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return rect.origin.x + rect.size.width / 2.0;
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}
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static inline double MAMapRectGetMidY(MAMapRect rect)
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{
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return rect.origin.y + rect.size.height / 2.0;
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}
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static inline double MAMapRectGetMaxX(MAMapRect rect)
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{
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return rect.origin.x + rect.size.width;
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}
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static inline double MAMapRectGetMaxY(MAMapRect rect)
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{
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return rect.origin.y + rect.size.height;
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}
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static inline double MAMapRectGetWidth(MAMapRect rect)
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{
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return rect.size.width;
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}
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static inline double MAMapRectGetHeight(MAMapRect rect)
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{
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return rect.size.height;
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}
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static inline BOOL MAMapPointEqualToPoint(MAMapPoint point1, MAMapPoint point2) {
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return point1.x == point2.x && point1.y == point2.y;
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}
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static inline BOOL MAMapSizeEqualToSize(MAMapSize size1, MAMapSize size2) {
|
||
|
|
return size1.width == size2.width && size1.height == size2.height;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline BOOL MAMapRectEqualToRect(MAMapRect rect1, MAMapRect rect2) {
|
||
|
|
return
|
||
|
|
MAMapPointEqualToPoint(rect1.origin, rect2.origin) &&
|
||
|
|
MAMapSizeEqualToSize(rect1.size, rect2.size);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline BOOL MAMapRectIsNull(MAMapRect rect) {
|
||
|
|
return isinf(rect.origin.x) || isinf(rect.origin.y);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline BOOL MAMapRectIsEmpty(MAMapRect rect) {
|
||
|
|
return MAMapRectIsNull(rect) || (rect.size.width == 0.0 && rect.size.height == 0.0);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline NSString *MAStringFromMapPoint(MAMapPoint point) {
|
||
|
|
return [NSString stringWithFormat:@"{%.1f, %.1f}", point.x, point.y];
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline NSString *MAStringFromMapSize(MAMapSize size) {
|
||
|
|
return [NSString stringWithFormat:@"{%.1f, %.1f}", size.width, size.height];
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline NSString *MAStringFromMapRect(MAMapRect rect) {
|
||
|
|
return [NSString stringWithFormat:@"{%@, %@}", MAStringFromMapPoint(rect.origin), MAStringFromMapSize(rect.size)];
|
||
|
|
}
|
||
|
|
|
||
|
|
///坐标系类型枚举
|
||
|
|
typedef NS_ENUM(NSUInteger, MACoordinateType)
|
||
|
|
{
|
||
|
|
MACoordinateTypeBaidu = 0, ///< Baidu
|
||
|
|
MACoordinateTypeMapBar, ///< MapBar
|
||
|
|
MACoordinateTypeMapABC, ///< MapABC
|
||
|
|
MACoordinateTypeSoSoMap, ///< SoSoMap
|
||
|
|
MACoordinateTypeAliYun, ///< AliYun
|
||
|
|
MACoordinateTypeGoogle, ///< Google
|
||
|
|
MACoordinateTypeGPS, ///< GPS
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 转换目标经纬度为高德坐标系
|
||
|
|
* @param coordinate 待转换的经纬度
|
||
|
|
* @param type 坐标系类型
|
||
|
|
* @return 高德坐标系经纬度
|
||
|
|
*/
|
||
|
|
extern CLLocationCoordinate2D MACoordinateConvert(CLLocationCoordinate2D coordinate, MACoordinateType type) __attribute((deprecated("已废弃，使用AMapFoundation中关于坐标转换的接口")));
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 获取矢量坐标方向
|
||
|
|
* @param fromCoord 矢量坐标起点
|
||
|
|
* @param toCoord 矢量坐标终点
|
||
|
|
* @return 方向，详情参考系统 CLLocationDirection
|
||
|
|
*/
|
||
|
|
extern CLLocationDirection MAGetDirectionFromCoords(CLLocationCoordinate2D fromCoord, CLLocationCoordinate2D toCoord);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 获取矢量坐标方向
|
||
|
|
* @param fromPoint 矢量坐标起点
|
||
|
|
* @param toPoint 矢量坐标终点
|
||
|
|
* @return 方向，详情参考系统 CLLocationDirection
|
||
|
|
*/
|
||
|
|
extern CLLocationDirection MAGetDirectionFromPoints(MAMapPoint fromPoint, MAMapPoint toPoint);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 获取点到线的垂直距离
|
||
|
|
* @param point 起点
|
||
|
|
* @param lineBegin 线的起点
|
||
|
|
* @param lineEnd 线的终点
|
||
|
|
* @return 距离，单位米
|
||
|
|
*/
|
||
|
|
extern double MAGetDistanceFromPointToLine(MAMapPoint point, MAMapPoint lineBegin, MAMapPoint lineEnd);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 判断线是否被点击选中
|
||
|
|
* @param linePoints 构成线的点
|
||
|
|
* @param count 点的个数
|
||
|
|
* @param tappedPoint 点击点
|
||
|
|
* @param lineWidth 线宽，单位：MAMapPoint点
|
||
|
|
* @return 是否选中
|
||
|
|
*/
|
||
|
|
extern BOOL MAPolylineHitTest(MAMapPoint *linePoints, NSUInteger count, MAMapPoint tappedPoint, CGFloat lineWidth);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
///utils方法，方便c结构体对象和NSValue对象间相互转化
|
||
|
|
@interface NSValue (NSValueMAGeometryExtensions)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 创建 MAMapPoint 的NSValue对象
|
||
|
|
* @param mapPoint MAMapPoint结构体对象
|
||
|
|
* @return NSValue对象
|
||
|
|
*/
|
||
|
|
+ (NSValue *)valueWithMAMapPoint:(MAMapPoint)mapPoint;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 创建 MAMapSize 的NSValue对象
|
||
|
|
* @param mapSize MAMapSize结构体对象
|
||
|
|
* @return NSValue对象
|
||
|
|
*/
|
||
|
|
+ (NSValue *)valueWithMAMapSize:(MAMapSize)mapSize;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 创建 MAMapRect 的NSValue对象
|
||
|
|
* @param mapRect MAMapRect结构体对象
|
||
|
|
* @return NSValue对象
|
||
|
|
*/
|
||
|
|
+ (NSValue *)valueWithMAMapRect:(MAMapRect)mapRect;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief 创建 CLLocationCoordinate2D 的NSValue对象
|
||
|
|
* @param coordinate CLLocationCoordinate2D结构体对象
|
||
|
|
* @return NSValue对象
|
||
|
|
*/
|
||
|
|
+ (NSValue *)valueWithMACoordinate:(CLLocationCoordinate2D)coordinate;
|
||
|
|
|
||
|
|
/**
|
||
|
|
@brief 返回NSValue对象包含的MAMapPoint结构体对象
|
||
|
|
@return 当前对象包含的MAMapPoint结构体对象
|
||
|
|
*/
|
||
|
|
- (MAMapPoint)MAMapPointValue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
@brief 返回NSValue对象包含的MAMapSize结构体对象
|
||
|
|
@return 当前对象包含的MAMapSize结构体对象
|
||
|
|
*/
|
||
|
|
- (MAMapSize)MAMapSizeValue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
@brief 返回NSValue对象包含的MAMapRect结构体对象
|
||
|
|
@return 当前对象包含的MAMapRect结构体对象
|
||
|
|
*/
|
||
|
|
- (MAMapRect)MAMapRectValue;
|
||
|
|
|
||
|
|
/**
|
||
|
|
@brief 返回NSValue对象包含的CLLocationCoordinate2D结构体对象
|
||
|
|
@return 当前对象包含的CLLocationCoordinate2D结构体对象
|
||
|
|
*/
|
||
|
|
- (CLLocationCoordinate2D)MACoordinateValue;
|
||
|
|
|
||
|
|
@end
|