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#import <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>
#import "MGLFoundation.h"
#import "MGLStyleValue.h"
#import "MGLStyleLayer.h"
NS_ASSUME_NONNULL_BEGIN
@class MGLMapView;
@class MGLStyle;
@class MGLOpenGLStyleLayer;
MGL_EXPORT
@interface MGLOpenGLStyleLayerRetainer: NSObject
@property (nonatomic, weak, readonly) MGLOpenGLStyleLayer *layer;
@property (nonatomic, assign, readonly) NSInteger layerRetainCount;
@property (nonatomic, unsafe_unretained, nullable) void *owner;
- (instancetype)initWithLayer:(MGLStyleLayer*)styleLayer;
- (void)retainLayer;
- (void)releaseLayer;
@end
typedef struct MGLStyleLayerDrawingContext {
CGSize size;
CLLocationCoordinate2D centerCoordinate;
double zoomLevel;
CLLocationDirection direction;
CGFloat pitch;
CGFloat fieldOfView;
} MGLStyleLayerDrawingContext;
MGL_EXPORT
@interface MGLOpenGLStyleLayer : MGLStyleLayer
@property (nonatomic, weak, readonly) MGLStyle *style;
- (BOOL)isBeingManaged;
- (instancetype)initWithIdentifier:(NSString *)identifier;
- (void)didMoveToMapView:(MGLMapView *)mapView;
- (void)willMoveFromMapView:(MGLMapView *)mapView;
- (void)drawInMapView:(MGLMapView *)mapView withContext:(MGLStyleLayerDrawingContext)context;
- (void)setNeedsDisplay;
@end
NS_ASSUME_NONNULL_END
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