text: //
  //  GMSCameraUpdate.h
  //  Google Maps SDK for iOS
  //
  //  Copyright 2013 Google Inc.
  //
  //  Usage of this SDK is subject to the Google Maps/Google Earth APIs Terms of
  //  Service: https://developers.google.com/maps/terms
  //
  
  #import <CoreLocation/CoreLocation.h>
  #import <UIKit/UIKit.h>
  
  #if __has_feature(modules)
  @import GoogleMapsBase;
  #else
  #import <GoogleMapsBase/GoogleMapsBase.h>
  #endif
  
  @class GMSCameraPosition;
  @class GMSCoordinateBounds;
  
  GMS_ASSUME_NONNULL_BEGIN
  
  /**
   * GMSCameraUpdate represents an update that may be applied to a GMSMapView.
   * It encapsulates some logic for modifying the current camera.
   * It should only be constructed using the factory helper methods below.
   */
  @interface GMSCameraUpdate : NSObject
  
  /**
   * Returns a GMSCameraUpdate that zooms in on the map.
   * The zoom increment is 1.0.
   */
  + (GMSCameraUpdate *)zoomIn;
  
  /**
   * Returns a GMSCameraUpdate that zooms out on the map.
   * The zoom increment is -1.0.
   */
  + (GMSCameraUpdate *)zoomOut;
  
  /**
   * Returns a GMSCameraUpdate that changes the zoom by the specified amount.
   */
  + (GMSCameraUpdate *)zoomBy:(float)delta;
  
  /**
   * Returns a GMSCameraUpdate that sets the zoom to the specified amount.
   */
  + (GMSCameraUpdate *)zoomTo:(float)zoom;
  
  /**
   * Returns a GMSCameraUpdate that sets the camera target to the specified
   * coordinate.
   */
  + (GMSCameraUpdate *)setTarget:(CLLocationCoordinate2D)target;
  
  /**
   * Returns a GMSCameraUpdate that sets the camera target and zoom to the
   * specified values.
   */
  + (GMSCameraUpdate *)setTarget:(CLLocationCoordinate2D)target zoom:(float)zoom;
  
  /**
   * Returns a GMSCameraUpdate that sets the camera to the specified
   * GMSCameraPosition.
   */
  + (GMSCameraUpdate *)setCamera:(GMSCameraPosition *)camera;
  
  /**
   * Returns a GMSCameraUpdate that transforms the camera such that the specified
   * bounds are centered on screen at the greatest possible zoom level. The bounds
   * will have a default padding of 64 points.
   *
   * The returned camera update will set the camera's bearing and tilt to their
   * default zero values (i.e., facing north and looking directly at the Earth).
   */
  + (GMSCameraUpdate *)fitBounds:(GMSCoordinateBounds *)bounds;
  
  /**
   * This is similar to fitBounds: but allows specifying the padding (in points)
   * in order to inset the bounding box from the view's edges.
   * If the requested |padding| is larger than the view size in either the
   * vertical or horizontal direction the map will be maximally zoomed out.
   */
  + (GMSCameraUpdate *)fitBounds:(GMSCoordinateBounds *)bounds
                     withPadding:(CGFloat)padding;
  
  /**
   * This is similar to fitBounds: but allows specifying edge insets
   * in order to inset the bounding box from the view's edges.
   * If the requested |edgeInsets| are larger than the view size in either the
   * vertical or horizontal direction the map will be maximally zoomed out.
   */
  + (GMSCameraUpdate *)fitBounds:(GMSCoordinateBounds *)bounds
                  withEdgeInsets:(UIEdgeInsets)edgeInsets;
  
  /**
   * Returns a GMSCameraUpdate that shifts the center of the view by the
   * specified number of points in the x and y directions.
   * X grows to the right, Y grows down.
   */
  + (GMSCameraUpdate *)scrollByX:(CGFloat)dX Y:(CGFloat)dY;
  
  /**
   * Returns a GMSCameraUpdate that zooms with a focus point; the focus point
   * stays fixed on screen.
   */
  + (GMSCameraUpdate *)zoomBy:(float)zoom atPoint:(CGPoint)point;
  
  @end
  
  GMS_ASSUME_NONNULL_END
  