BMKGeometry.h

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/*  BMKGeometry.h
 *  BMapKit
 *
 *  Copyright 2011 Baidu Inc. All rights reserved.
 *
 */
 
#import <BaiduMapAPI_Base/BMKTypes.h>
#import <UIKit/UIKit.h>
 
 
#pragma mark -----坐标转换
 
UIKIT_EXTERN BMKMapPoint BMKMapPointForCoordinate(CLLocationCoordinate2D coordinate);
 
UIKIT_EXTERN CLLocationCoordinate2D BMKCoordinateForMapPoint(BMKMapPoint mapPoint);
 
 
UIKIT_EXTERN CGPoint BMKConvertToBaiduMercatorFromBD09LL(CLLocationCoordinate2D bd09llCoordinate);
 
UIKIT_EXTERN CLLocationCoordinate2D BMKConvertToBD09LLFromBaiduMercator(CGPoint bdMCTCoordinate);
 
UIKIT_EXTERN CLLocationCoordinate2D BMKCoordTrans(CLLocationCoordinate2D coordinate, BMK_COORD_TYPE fromType, BMK_COORD_TYPE toType);
 
FOUNDATION_EXTERN NSDictionary* BMKConvertBaiduCoorFrom(CLLocationCoordinate2D coordinate,BMK_COORD_TYPE type) __attribute__((deprecated("使用BMKCoordTrans方法代替")));
 
#pragma mark -----几何计算
 
UIKIT_EXTERN CLLocationDistance BMKMetersPerMapPointAtLatitude(CLLocationDegrees latitude);
 
UIKIT_EXTERN double BMKMapPointsPerMeterAtLatitude(CLLocationDegrees latitude);
 
UIKIT_EXTERN CLLocationDistance BMKMetersBetweenMapPoints(BMKMapPoint a, BMKMapPoint b);
 
UIKIT_EXTERN CLLocationDistance BMKMetersBetweenCoordinates(CLLocationCoordinate2D a, CLLocationCoordinate2D b);
 
 
UIKIT_STATIC_INLINE double BMKMapRectGetWidth(BMKMapRect rect) {
    return rect.size.width;
}
 
UIKIT_STATIC_INLINE double BMKMapRectGetHeight(BMKMapRect rect) {
    return rect.size.height;
}
 
UIKIT_STATIC_INLINE BOOL BMKMapPointEqualToPoint(BMKMapPoint point1, BMKMapPoint point2) {
    return point1.x == point2.x && point1.y == point2.y;
}
 
UIKIT_EXTERN BMKMapPoint BMKGetNearestMapPointFromPolyline(BMKMapPoint point, BMKMapPoint* polyline, NSUInteger count);
UIKIT_EXTERN BMKMapPoint BMKGetPointToTheVerticalFootOfLine(BMKMapPoint point, BMKMapPoint lineStartPt, BMKMapPoint lineEndPt);
UIKIT_EXTERN CLLocationDistance BMKGetDistanceFromPointToLine(BMKMapPoint point, BMKMapPoint lineStartPt, BMKMapPoint lineEndPt);
 
 
UIKIT_EXTERN BMKCoordinateRegion BMKCoordinateRegionMakeWithDistance(CLLocationCoordinate2D centerCoordinate, CLLocationDistance latitudinalMeters, CLLocationDistance longitudinalMeters);
 
#pragma mark rect
 
UIKIT_STATIC_INLINE BOOL BMKMapSizeEqualToSize(BMKMapSize size1, BMKMapSize size2) {
    return size1.width == size2.width && size1.height == size2.height;
}
 
UIKIT_STATIC_INLINE BOOL BMKMapRectEqualToRect(BMKMapRect rect1, BMKMapRect rect2) {
    return 
    BMKMapPointEqualToPoint(rect1.origin, rect2.origin) &&
    BMKMapSizeEqualToSize(rect1.size, rect2.size);
}
 
UIKIT_STATIC_INLINE BOOL BMKMapRectIsEmpty(BMKMapRect rect) {
    return BMKMapRectIsNull(rect) || (rect.size.width == 0.0 && rect.size.height == 0.0);
}
 
 
 
UIKIT_EXTERN BMKMapRect BMKMapRectUnion(BMKMapRect rect1, BMKMapRect rect2);
 
UIKIT_EXTERN BMKMapRect BMKMapRectIntersection(BMKMapRect rect1, BMKMapRect rect2);
 
UIKIT_EXTERN BMKMapRect BMKMapRectInset(BMKMapRect rect, double dx, double dy);
 
UIKIT_EXTERN BMKMapRect BMKMapRectOffset(BMKMapRect rect, double dx, double dy);
 
UIKIT_EXTERN void BMKMapRectDivide(BMKMapRect rect, BMKMapRect *slice, BMKMapRect *remainder, double amount, CGRectEdge edge);
 
UIKIT_EXTERN BOOL BMKMapRectContainsPoint(BMKMapRect rect, BMKMapPoint point);
 
UIKIT_EXTERN BOOL BMKMapRectContainsRect(BMKMapRect rect1, BMKMapRect rect2);
 
UIKIT_EXTERN BOOL BMKMapRectIntersectsRect(BMKMapRect rect1, BMKMapRect rect2);
 
UIKIT_EXTERN BMKCoordinateRegion BMKCoordinateRegionForMapRect(BMKMapRect rect);
 
UIKIT_EXTERN BOOL BMKMapRectSpans180thMeridian(BMKMapRect rect);
 
UIKIT_EXTERN BMKMapRect BMKMapRectRemainder(BMKMapRect rect);
 
#pragma mark circle
 
UIKIT_EXTERN BOOL BMKCircleContainsPoint(BMKMapPoint point, BMKMapPoint center, double radius);
 
UIKIT_EXTERN BOOL BMKCircleContainsCoordinate(CLLocationCoordinate2D point, CLLocationCoordinate2D center, double radius);
 
#pragma mark polygon
 
UIKIT_EXTERN BOOL BMKPolygonContainsPoint(BMKMapPoint point, BMKMapPoint *polygon, NSUInteger count);
 
UIKIT_EXTERN BOOL BMKPolygonContainsCoordinate(CLLocationCoordinate2D point, CLLocationCoordinate2D *polygon, NSUInteger count);
 
 
 
UIKIT_EXTERN double BMKAreaBetweenCoordinates(CLLocationCoordinate2D leftTop, CLLocationCoordinate2D rightBottom);
 
 
UIKIT_EXTERN double BMKAreaForPolygon(CLLocationCoordinate2D *coordinates, int count);
 
 
#pragma mark -----Others
 
UIKIT_EXTERN CLLocationDirection BMKGetDirectionFromCoords(CLLocationCoordinate2D startCoord, CLLocationCoordinate2D endCoord);
UIKIT_EXTERN CLLocationDirection BMKGetDirectionFromPoints(BMKMapPoint startPt, BMKMapPoint endPt);
UIKIT_STATIC_INLINE NSString *BMKStringFromMapPoint(BMKMapPoint point) {
    return [NSString stringWithFormat:@"{%.1f, %.1f}", point.x, point.y];
}
 
UIKIT_STATIC_INLINE NSString *BMKStringFromMapSize(BMKMapSize size) {
    return [NSString stringWithFormat:@"{%.1f, %.1f}", size.width, size.height];
}
 
UIKIT_STATIC_INLINE NSString *BMKStringFromMapRect(BMKMapRect rect) {
    return [NSString stringWithFormat:@"{%@, %@}", BMKStringFromMapPoint(rect.origin), BMKStringFromMapSize(rect.size)];
}
 
UIKIT_EXTERN CLLocationCoordinate2D BMKCoorDictionaryDecode(NSDictionary* dictionary);
 
UIKIT_EXTERN BMKMapRect BMKMapRectFromEncodedGeoPoints(NSString *encodedGeoPoints, BMKEncodePointType type);
 
UIKIT_EXTERN BOOL BMKEncodedGeoPointsContainsPoint(BMKMapPoint point,
                                                   NSString *encodedGeoPoints,
                                                   BMKEncodePointType type);
 
UIKIT_EXTERN BOOL BMKEncodedGeoPointsContainsCoordinate(CLLocationCoordinate2D point,
                                                        NSString *encodedGeoPoints,
                                                        BMKEncodePointType type);
 
@interface NSValue (BMKGeometryExtension)
 
+ (NSValue *)valueWithBMKMapPoint:(BMKMapPoint)mapPoint;
 
+ (NSValue *)valueWithBMKMapSize:(BMKMapSize)mapSize;
 
+ (NSValue *)valueWithBMKMapRect:(BMKMapRect)mapRect;
 
+ (NSValue *)valueWithCoordinate2D:(CLLocationCoordinate2D)coordinate;
 
 
- (BMKMapPoint)BMKMapPointValue;
 
- (BMKMapSize)BMKMapSizeValue;
 
- (BMKMapRect)BMKMapRectValue;
 
- (CLLocationCoordinate2D)Coordinate2DValue;
 
@end