MAGeometry.h

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//
//  MAGeometry.h
//  MAMapKit
//
//  Created by AutoNavi.
//  Copyright (c) 2013年 Amap. All rights reserved.
//
 
#import <CoreGraphics/CoreGraphics.h>
#import <CoreLocation/CoreLocation.h>
#import <UIKit/UIKit.h>
 
 
#ifdef __cplusplus
extern "C" {
#endif
    
    typedef struct MACoordinateBounds{
        CLLocationCoordinate2D northEast; 
        CLLocationCoordinate2D southWest; 
    } MACoordinateBounds;
    
    typedef struct MACoordinateSpan{
        CLLocationDegrees latitudeDelta;  
        CLLocationDegrees longitudeDelta; 
    } MACoordinateSpan;
    
    typedef struct MACoordinateRegion{
        CLLocationCoordinate2D center;  
        MACoordinateSpan span;          
    } MACoordinateRegion;
    
    typedef struct MAMapPoint{
        double x; 
        double y; 
    } MAMapPoint;
    
    typedef struct MAMapSize{
        double width;   
        double height;  
    } MAMapSize;
    
    typedef struct MAMapRect{
        MAMapPoint origin;  
        MAMapSize size;     
    } MAMapRect;
    
    typedef NS_OPTIONS(NSUInteger, MAMapRectCorner) {
        MAMapRectCornerTopLeft     = 1 << 0,
        MAMapRectCornerTopRight    = 1 << 1,
        MAMapRectCornerBottomLeft  = 1 << 2,
        MAMapRectCornerBottomRight = 1 << 3,
        MAMapRectCornerAllCorners  = ~0UL
    };
    
    typedef double MAZoomScale;
    
    extern const MAMapSize MAMapSizeWorld;
    extern const MAMapRect MAMapRectWorld;
    extern const MAMapRect MAMapRectNull;
    extern const MAMapRect MAMapRectZero;
    
    static inline MACoordinateBounds MACoordinateBoundsMake(CLLocationCoordinate2D northEast,CLLocationCoordinate2D southWest)
    {
        return (MACoordinateBounds){northEast, southWest};
    }
    
    static inline MACoordinateSpan MACoordinateSpanMake(CLLocationDegrees latitudeDelta, CLLocationDegrees longitudeDelta)
    {
        return (MACoordinateSpan){latitudeDelta, longitudeDelta};
    }
    
    static inline MACoordinateRegion MACoordinateRegionMake(CLLocationCoordinate2D centerCoordinate, MACoordinateSpan span)
    {
        return (MACoordinateRegion){centerCoordinate, span};
    }
 
    extern MACoordinateRegion MACoordinateRegionMakeWithDistance(CLLocationCoordinate2D centerCoordinate, CLLocationDistance latitudinalMeters, CLLocationDistance longitudinalMeters);
    
    extern MAMapPoint MAMapPointForCoordinate(CLLocationCoordinate2D coordinate);
    
    extern CLLocationCoordinate2D MACoordinateForMapPoint(MAMapPoint mapPoint);
    
    extern MACoordinateRegion MACoordinateRegionForMapRect(MAMapRect rect);
    
    extern MAMapRect MAMapRectForCoordinateRegion(MACoordinateRegion region);
    
    extern CLLocationDistance MAMetersPerMapPointAtLatitude(CLLocationDegrees latitude);
    
    extern double MAMapPointsPerMeterAtLatitude(CLLocationDegrees latitude);
 
    extern CLLocationDistance MAMetersBetweenMapPoints(MAMapPoint a, MAMapPoint b);
    
    extern double MAAreaBetweenCoordinates(CLLocationCoordinate2D northEast, CLLocationCoordinate2D southWest);
    
    extern MAMapRect MAMapRectInset(MAMapRect rect, double dx, double dy);
    
    extern MAMapRect MAMapRectUnion(MAMapRect rect1, MAMapRect rect2);
    
    extern BOOL MAMapSizeContainsSize(MAMapSize size1, MAMapSize size2);
    
    extern BOOL MAMapRectContainsPoint(MAMapRect rect, MAMapPoint point);
    
    extern BOOL MAMapRectIntersectsRect(MAMapRect rect1, MAMapRect rect2);
    
    extern BOOL MAMapRectContainsRect(MAMapRect rect1, MAMapRect rect2);
    
    extern BOOL MACircleContainsPoint(MAMapPoint point, MAMapPoint center, double radius);
    
    extern BOOL MACircleContainsCoordinate(CLLocationCoordinate2D point, CLLocationCoordinate2D center, double radius);
    
    extern MAMapPoint MAGetNearestMapPointFromPolyline(MAMapPoint point, MAMapPoint *polyline, NSUInteger count);
 
    extern BOOL MAPolygonContainsPoint(MAMapPoint point, MAMapPoint *polygon, NSUInteger count);
 
    extern BOOL MAPolygonContainsCoordinate(CLLocationCoordinate2D point, CLLocationCoordinate2D *polygon, NSUInteger count);
    
    extern MAMapPoint MAGetNearestMapPointFromLine(MAMapPoint lineStart, MAMapPoint lineEnd, MAMapPoint point);
    
    typedef void (^AMapTileProjectionBlock)(int offsetX, int offsetY, int minX, int maxX, int minY, int maxY);
    
    extern void MAGetTileProjectionFromBounds(MACoordinateBounds bounds, int levelOfDetails, AMapTileProjectionBlock tileProjection);
    
    extern double MAAreaForPolygon(CLLocationCoordinate2D *coordinates, int count);
    
    static inline MAMapPoint MAMapPointMake(double x, double y)
    {
        return (MAMapPoint){x, y};
    }
    
    static inline MAMapSize MAMapSizeMake(double width, double height)
    {
        return (MAMapSize){width, height};
    }
    
    static inline MAMapRect MAMapRectMake(double x, double y, double width, double height)
    {
        return (MAMapRect){MAMapPointMake(x, y), MAMapSizeMake(width, height)};
    }
    
    static inline double MAMapRectGetMinX(MAMapRect rect)
    {
        return rect.origin.x;
    }
    
    static inline double MAMapRectGetMinY(MAMapRect rect)
    {
        return rect.origin.y;
    }
    
    static inline double MAMapRectGetMidX(MAMapRect rect)
    {
        return rect.origin.x + rect.size.width / 2.0;
    }
    
    static inline double MAMapRectGetMidY(MAMapRect rect)
    {
        return rect.origin.y + rect.size.height / 2.0;
    }
    
    static inline double MAMapRectGetMaxX(MAMapRect rect)
    {
        return rect.origin.x + rect.size.width;
    }
    
    static inline double MAMapRectGetMaxY(MAMapRect rect)
    {
        return rect.origin.y + rect.size.height;
    }
    
    static inline double MAMapRectGetWidth(MAMapRect rect)
    {
        return rect.size.width;
    }
    
    static inline double MAMapRectGetHeight(MAMapRect rect)
    {
        return rect.size.height;
    }
    
    static inline BOOL MAMapPointEqualToPoint(MAMapPoint point1, MAMapPoint point2) {
        return point1.x == point2.x && point1.y == point2.y;
    }
    
    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)];
    }
    
    typedef NS_ENUM(NSUInteger, MACoordinateType)
    {
        MACoordinateTypeBaidu = 0,  
        MACoordinateTypeMapBar,     
        MACoordinateTypeMapABC,     
        MACoordinateTypeSoSoMap,    
        MACoordinateTypeAliYun,     
        MACoordinateTypeGoogle,     
        MACoordinateTypeGPS,        
    };
    
    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")));
    
    extern CLLocationDirection MAGetDirectionFromCoords(CLLocationCoordinate2D fromCoord, CLLocationCoordinate2D toCoord);
    
    extern CLLocationDirection MAGetDirectionFromPoints(MAMapPoint fromPoint, MAMapPoint toPoint);
    
    extern double MAGetDistanceFromPointToLine(MAMapPoint point, MAMapPoint lineBegin, MAMapPoint lineEnd);
 
    extern BOOL MAPolylineHitTest(MAMapPoint *linePoints, NSUInteger count, MAMapPoint tappedPoint, CGFloat lineWidth);
    
#ifdef __cplusplus
}
#endif
 
@interface NSValue (NSValueMAGeometryExtensions)
 
+ (NSValue *)valueWithMAMapPoint:(MAMapPoint)mapPoint;
 
+ (NSValue *)valueWithMAMapSize:(MAMapSize)mapSize;
 
+ (NSValue *)valueWithMAMapRect:(MAMapRect)mapRect;
 
+ (NSValue *)valueWithMACoordinate:(CLLocationCoordinate2D)coordinate;
 
- (MAMapPoint)MAMapPointValue;
 
- (MAMapSize)MAMapSizeValue;
 
- (MAMapRect)MAMapRectValue;
 
- (CLLocationCoordinate2D)MACoordinateValue;
 
@end