Added missing camera methods to Snapshotter

CHANGELOG.md

@@ -4,6 +4,10 @@ Mapbox welcomes participation and contributions from everyone.
 
 ## main
 
+### Features ✨ and improvements 🏁
+
+- Added `Snapshotter.coordinateBounds(for:)` and `Snapshotter.camera(for:padding:bearing:pitch:)`. ([#386](https://github.com/mapbox/mapbox-maps-ios/pull/386))
+
 ## 10.0.0-beta.20 - May 20, 2021
 
 ### Breaking changes ⚠️

Sources/MapboxMaps/Snapshot/Snapshotter.swift

@@ -1,4 +1,5 @@
 import UIKit
+import CoreLocation
 
 #if canImport(MapboxMapsFoundation)
 import MapboxMapsFoundation
@@ -202,6 +203,35 @@ public class Snapshotter {
 
         return compositeImage
     }
+
+    // MARK: - Camera
+
+    /// Returns the coordinate bounds corresponding to a given `CameraOptions`
+    ///
+    /// - Parameter camera: The camera for which the coordinate bounds will be returned.
+    /// - Returns: `CoordinateBounds` for the given `CameraOptions`
+    public func coordinateBounds(for camera: CameraOptions) -> CoordinateBounds {
+        return mapSnapshotter.coordinateBoundsForCamera(forCamera: MapboxCoreMaps.CameraOptions(camera))
+    }
+
+    /// Calculates a `CameraOptions` to fit a list of coordinates.
+    ///
+    /// - Parameters:
+    ///   - coordinates: Array of coordinates that should fit within the new viewport.
+    ///   - padding: The new padding to be used by the camera.
+    ///   - bearing: The new bearing to be used by the camera.
+    ///   - pitch: The new pitch to be used by the camera.
+    /// - Returns: A `CameraOptions` that fits the provided constraints
+    public func camera(for coordinates: [CLLocationCoordinate2D],
+                       padding: UIEdgeInsets,
+                       bearing: Double?,
+                       pitch: Double?) -> CameraOptions {
+        return CameraOptions(mapSnapshotter.cameraForCoordinates(
+                                forCoordinates: coordinates.map(\.location),
+                                padding: padding.toMBXEdgeInsetsValue(),
+                                bearing: bearing?.NSNumber,
+                                pitch: pitch?.NSNumber))
+    }
 }
 
 extension Snapshotter: ObservableProtocol {