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Diffstat (limited to 'platform/darwin/src/MGLStyleLayer.h')
-rw-r--r-- | platform/darwin/src/MGLStyleLayer.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/platform/darwin/src/MGLStyleLayer.h b/platform/darwin/src/MGLStyleLayer.h index ac40545398..55f1a56490 100644 --- a/platform/darwin/src/MGLStyleLayer.h +++ b/platform/darwin/src/MGLStyleLayer.h @@ -9,11 +9,11 @@ NS_ASSUME_NONNULL_BEGIN `MGLStyleLayer` is an abstract base class for style layers. A style layer manages the layout and appearance of content at a specific z-index in a style. An `MGLStyle` object consists of one or more `MGLStyleLayer` objects. - + Each style layer defined by the style JSON file is represented at runtime by an `MGLStyleLayer` object, which you can use to refine the map’s appearance. You can also add and remove style layers dynamically. - + Do not create instances of this class directly, and do not create your own subclasses of this class. Instead, create instances of `MGLBackgroundStyleLayer` and the concrete subclasses of @@ -28,11 +28,16 @@ MGL_EXPORT /** Returns a style layer object initialized with the given identifier. - + + The default implementation of this initializer in MGLStyleLayer creates an + invalid style layer. Call this initializer on `MGLBackgroundStyleLayer` or one of + the concrete subclasses of `MGLForegroundStyleLayer` to create a valid style + layer. + After initializing and configuring the style layer, add it to a map view’s style using the `-[MGLStyle addLayer:]` or `-[MGLStyle insertLayer:belowLayer:]` method. - + @param identifier A string that uniquely identifies the layer in the style to which it is added. @return An initialized style layer. |