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andrewgleave
/ iOSMapKitFitAnnotations.m
Last active
May 17, 2024 02:07
Zooms out a MKMapView to enclose all its annotations (inc. current location)
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| MKMapRect zoomRect = MKMapRectNull; | |
| for (id <MKAnnotation> annotation in mapView.annotations) { | |
| MKMapPoint annotationPoint = MKMapPointForCoordinate(annotation.coordinate); | |
| MKMapRect pointRect = MKMapRectMake(annotationPoint.x, annotationPoint.y, 0, 0); | |
| if (MKMapRectIsNull(zoomRect)) { | |
| zoomRect = pointRect; | |
| } else { | |
| zoomRect = MKMapRectUnion(zoomRect, pointRect); | |
| } | |
| } |
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| // | |
| // ARC Helper | |
| // | |
| // Version 2.2 | |
| // | |
| // Created by Nick Lockwood on 05/01/2012. | |
| // Copyright 2012 Charcoal Design | |
| // | |
| // Distributed under the permissive zlib license | |
| // Get the latest version from here: |