46 lines
1.4 KiB
Objective-C
46 lines
1.4 KiB
Objective-C
#import <Foundation/Foundation.h>
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#import "MGLStyleLayer.h"
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NS_ASSUME_NONNULL_BEGIN
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@class MGLSource;
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/**
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`MGLForegroundStyleLayer` is an abstract superclass for style layers whose
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content is defined by an `MGLSource` object.
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Do not create instances of this class directly, and do not create your own
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subclasses of this class. Instead, create instances of `MGLRasterStyleLayer`
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and the concrete subclasses of `MGLVectorStyleLayer`.
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*/
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@interface MGLForegroundStyleLayer : MGLStyleLayer
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#pragma mark Initializing a Style Layer
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/**
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Returns a foreground style layer initialized with an identifier and source.
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After initializing and configuring the style layer, add it to a map view’s
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style using the `-[MGLStyle addLayer:]` or
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`-[MGLStyle insertLayer:belowLayer:]` method.
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@param identifier A string that uniquely identifies the source in the style to
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which it is added.
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@param source The source from which to obtain the data to style. If the source
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has not yet been added to the current style, the behavior is undefined.
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@return An initialized foreground style layer.
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*/
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- (instancetype)initWithIdentifier:(NSString *)identifier source:(MGLSource *)source NS_DESIGNATED_INITIALIZER;
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#pragma mark Specifying a Style Layer’s Content
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/**
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Identifier of the source from which the receiver obtains the data to style.
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*/
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@property (nonatomic, readonly, nullable) NSString *sourceIdentifier;
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@end
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NS_ASSUME_NONNULL_END
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