rogpfreck
pebble8888
/ swift3 read binary file.swift
Last active
December 25, 2020 13:51
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| if let stream:InputStream = InputStream(fileAtPath: "/Users/pebble8888/hoge.txt") { | |
| var buf:[UInt8] = [UInt8](repeating: 0, count: 16) | |
| stream.open() | |
| while true { | |
| let len = stream.read(&buf, maxLength: buf.count) | |
| print("len \(len)") | |
| for i in 0..<len { | |
| print(String(format:"%02x ", buf[i]), terminator: "") | |
| } | |
| if len < buf.count { |
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| extension UIBezierPath { | |
| class func getAxisAlignedArrowPoints(inout points: Array<CGPoint>, forLength: CGFloat, tailWidth: CGFloat, headWidth: CGFloat, headLength: CGFloat ) { | |
| let tailLength = forLength - headLength | |
| points.append(CGPointMake(0, tailWidth/2)) | |
| points.append(CGPointMake(tailLength, tailWidth/2)) | |
| points.append(CGPointMake(tailLength, headWidth/2)) | |
| points.append(CGPointMake(forLength, 0)) | |
| points.append(CGPointMake(tailLength, -headWidth/2)) |