blob: 462a0c1031896664ac206a18a787f7817d5fda68 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>
#import "MGLAnnotation.h"
#import "MGLGeometry.h"
NS_ASSUME_NONNULL_BEGIN
/**
The `MGLOverlay` protocol defines a specific type of annotation that represents
both a point and an area on a map. Overlay objects are essentially data objects
that contain the geographic data needed to represent the map area. Overlays can
take the form of a polyline or polygon.
You use overlays to layer more sophisticated content on top of a map view. For
example, you could use an overlay to show the boundaries of a national park or
trace a bus route along city streets. This SDK defines several concrete classes
that conform to this protocol and define standard shapes.
*/
@protocol MGLOverlay <MGLAnnotation>
/**
A coordinate representing the overlay. (required) (read-only)
*/
@property (nonatomic, readonly) CLLocationCoordinate2D coordinate;
/**
The cooordinate rectangle that encompasses the overlay. (required) (read-only)
This property contains the smallest rectangle that completely encompasses the
overlay. Implementers of this protocol must set this area when implementing
their overlay class, and after setting it, you must not change it.
*/
@property (nonatomic, readonly) MGLCoordinateBounds overlayBounds;
/**
Returns a Boolean indicating whether the specified rectangle intersects the
receiver’s shape.
You can implement this method to provide more specific bounds checking for an
overlay. If you do not implement it, the bounding rectangle is used to detect
intersections.
@param overlayBounds The rectangle to intersect with the receiver’s area.
@return `YES` if any part of the map rectangle intersects the receiver’s shape
or `NO` if it does not.
*/
- (BOOL)intersectsOverlayBounds:(MGLCoordinateBounds)overlayBounds;
@end
NS_ASSUME_NONNULL_END
|
