/*
* Copyright 2016 Google LLC. All rights reserved.
*
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
* file except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
* ANY KIND, either express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/

#import "GoogleMapsDemos/Samples/GroundOverlayViewController.h"

#import <GoogleMaps/GoogleMaps.h>

@interface GroundOverlayViewController () <GMSMapViewDelegate>
@end

@implementation GroundOverlayViewController

- (void)viewDidLoad {
[super viewDidLoad];

CLLocationCoordinate2D southWest = CLLocationCoordinate2DMake(40.712216, -74.22655);
CLLocationCoordinate2D northEast = CLLocationCoordinate2DMake(40.773941, -74.12544);

// Choose the midpoint of the coordinate to focus the camera on.
CLLocationCoordinate2D newark = GMSGeometryInterpolate(southWest, northEast, 0.5);
GMSCameraPosition *camera = [GMSCameraPosition cameraWithTarget:newark
zoom:12
bearing:0
viewingAngle:45];
GMSMapView *mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
mapView.delegate = self;

// Add the ground overlay, centered in Newark, NJ
GMSGroundOverlay *groundOverlay = [[GMSGroundOverlay alloc] init];
GMSCoordinateBounds *overlayBounds = [[GMSCoordinateBounds alloc] initWithCoordinate:southWest
coordinate:northEast];

// Image from http://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg
groundOverlay.icon = [UIImage imageNamed:@"newark_nj_1922.jpg"];
groundOverlay.tappable = YES;
groundOverlay.position = newark;
groundOverlay.bounds = overlayBounds;
groundOverlay.map = mapView;

self.view = mapView;
}

- (void)mapView:(GMSMapView *)mapView didTapOverlay:(GMSOverlay *)overlay {
float opacity = (((float)arc4random() / 0x100000000) * 0.5f + 0.5f);
((GMSGroundOverlay *)overlay).opacity = opacity;
}

@end