LMKGeometry.h

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				 //
			

				 // LMKGeometry.h
			

				 // LeadorMapSDK
			

				 //
			

				 // Copyright © 2016年 IShowChina. All rights
					reserved.
			

				 //
			

				 
			

				 #import
					<CoreGraphics/CoreGraphics.h>
			

				 #import
					<CoreLocation/CoreLocation.h>
			

				 #import <Foundation/Foundation.h>
			

				 #import <UIKit/UIKit.h>
			

				 
			

				 #ifdef __cplusplus
			

				 extern "C"
				{
			

				 #endif
			

				 
			

				 typedef NS_ENUM(NSUInteger,
				LMKMapProjectionType) {
			

				 
				LMKMapProjectionTypeMercator,
			

				 
				LMKMapProjectionTypeG4326,
			

				 };
			

				 
			

				 
			

				 #ifndef __LMK_GEOMETRY__H_
			

				 #define
					__LMK_GEOMETRY__H_
			

				 
			

				 typedef struct
				{
			

				  double x;
			

				  double y;
			

				 } LMKMapPoint;
			

				 typedef
				struct {
			

				  double width;
			

				  double height;
			

				 } LMKMapSize;
			

				 typedef
				struct {
			

				  LMKMapPoint
				origin;
			

				  LMKMapSize
				size;
			

				 } LMKMapRect;
			

				 typedef struct
				{
			

				  CLLocationCoordinate2D northEast;
			

				  CLLocationCoordinate2D southWest;
			

				 } LMKCoordinateBounds;
			

				 typedef struct
				{
			

				  CLLocationDegrees latitudeDelta;
			

				  CLLocationDegrees longitudeDelta;
			

				 } LMKCoordinateSpan;
			

				 typedef struct
				{
			

				  CLLocationCoordinate2D center;
			

				  LMKCoordinateSpan
				span;
			

				 } LMKCoordinateRegion;
			

				 
			

				 static inline
				LMKCoordinateBounds
				LMKCoordinateBoundsMake(CLLocationCoordinate2D
				northEast, CLLocationCoordinate2D southWest)
			

				 {
			

				  return (LMKCoordinateBounds){
				northEast, southWest };
			

				 }
			

				 
			

				 static inline
				LMKCoordinateSpan
				LMKCoordinateSpanMake(CLLocationDegrees
				latitudeDelta, CLLocationDegrees longitudeDelta)
			

				 {
			

				  return (LMKCoordinateSpan){
				latitudeDelta, longitudeDelta };
			

				 }
			

				 
			

				 static inline
				LMKCoordinateRegion
				LMKCoordinateRegionMake(CLLocationCoordinate2D
				centerCoordinate, LMKCoordinateSpan span)
			

				 {
			

				  return (LMKCoordinateRegion){
				centerCoordinate, span };
			

				 }
			

				 
			

				 extern const LMKMapSize LMKMapSizeWorld;
			

				 
			

				 extern const LMKMapRect LMKMapRectWorld;
			

				 
			

				 extern const LMKMapRect LMKMapRectZero;
			

				 
			

				 extern LMKMapPoint LMKMapPointForCoordinate(CLLocationCoordinate2D
				coordinate, LMKMapProjectionType projectionType);
			

				 
			

				 extern CLLocationCoordinate2D LMKCoordinateForMapPoint(LMKMapPoint
				mapPoint, LMKMapProjectionType projectionType);
			

				 
			

				 extern CLLocationCoordinate2D* LMKCoordinatesForCoordinateString(NSString*
				coornaditeStr, NSUInteger* count);
			

				 
			

				 extern int*
				LMKCoordinatePointsForCoordinateString(NSString*
				coornaditeStr, int* count);
			

				 
			

				 extern LMKMapRect mapRectForMapPoints(NSArray*
				pointArray);
			

				 
			

				 extern LMKMapRect LMKMapRectUnion(LMKMapRect rect1,
				LMKMapRect
				rect2);
			

				 
			

				 static inline
				LMKMapPoint LMKMapPointMake(double x, double
				y)
			

				 {
			

				  return (LMKMapPoint){ x, y };
			

				 }
			

				 
			

				 static inline
				LMKMapSize LMKMapSizeMake(double width, double
				height)
			

				 {
			

				  return (LMKMapSize){ width, height };
			

				 }
			

				 
			

				 static inline
				LMKMapRect LMKMapRectMake(double x, double
				y, double width, double height)
			

				 {
			

				  return (LMKMapRect){ LMKMapPointMake(x,
				y), LMKMapSizeMake(width,
				height) };
			

				 }
			

				 
			

				 static inline
				LMKMapPoint LMKGetMapRectCenter(LMKMapRect
				mapRect)
			

				 {
			

				  return (LMKMapPoint){ mapRect.origin.x
				+ mapRect.size.width
				/ 2, mapRect.origin.y
				+ mapRect.size.height
				/ 2 };
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetMinX(LMKMapRect rect)
			

				 {
			

				  return rect.origin.x;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetMinY(LMKMapRect rect)
			

				 {
			

				  return rect.origin.y;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetMidX(LMKMapRect rect)
			

				 {
			

				  return rect.origin.x
				+ rect.size.width
				/ 2.0;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetMidY(LMKMapRect rect)
			

				 {
			

				  return rect.origin.y
				+ rect.size.height
				/ 2.0;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetMaxX(LMKMapRect rect)
			

				 {
			

				  return rect.origin.x
				+ rect.size.width;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetMaxY(LMKMapRect rect)
			

				 {
			

				  return rect.origin.y
				+ rect.size.height;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetWidth(LMKMapRect rect)
			

				 {
			

				  return rect.size.width;
			

				 }
			

				 
			

				 static inline
				double LMKMapRectGetHeight(LMKMapRect rect)
			

				 {
			

				  return rect.size.height;
			

				 }
			

				 
			

				 extern BOOL LMKMapRectIntersectsRect(LMKMapRect rect1,
				LMKMapRect
				rect2);
			

				 
			

				 extern double
				LMKMapPointsPerMeterAtLatitude(CLLocationDegrees
				latitude, LMKMapProjectionType projectionType);
			

				 
			

				 extern CLLocationDistance LMKMetersBetweenLocations(CLLocationCoordinate2D
				coord1, CLLocationCoordinate2D coord2);
			

				 
			

				 #endif
			

				 
			

				 #ifdef __cplusplus
			

				 }
			

				 #endif