Created
June 19, 2019 03:17
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Encode MKPolyline to Data
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| func encode(line: MKPolyline) -> Data { | |
| return Data(buffer: UnsafeBufferPointer(start: line.points(), count: line.pointCount)) | |
| } | |
| func decode(data: Data) -> MKPolyline { | |
| let buf = UnsafeMutableBufferPointer<MKMapPoint>.allocate(capacity: data.count / MemoryLayout<MKMapPoint>.size) | |
| data.copyBytes(to: buf) | |
| return MKPolyline(points: buf.baseAddress!, count: buf.count) | |
| } |
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跪了