ha1f

/// 中心に画像を描画する
class RotatableImageView: UIView {
    var image: UIImage? {
        didSet {
            setNeedsDisplay()
        }
    }
    var angle: CGFloat = 0.0
    var scale: CGFloat = 1.0
    var translateX: CGFloat = 0.0

ha1f

//
//  QrCodeGenerator.swift
//  CoreImageSample
//
//  Created by はるふ on 2017/12/11.
//  Copyright © 2017年 ha1f. All rights reserved.
//

import Foundation
import CoreImage

ha1f

class PrintingViewController: UIViewController {
    
    // Load
    
    override func loadView() {
        super.loadView()
        print("lifecycle", #function)
    }
    
    override func viewDidLoad() {

ha1f

import Foundation

extension UnicodeScalar {
    /// `a-z{
    var isLowerCase: Bool {
        return value >= 0x61 && value <= 0x7a
    }
    
    /// @A-Z[
    var isUpperCase: Bool {

ha1f

//
//  SafeAreaLayoutGuideCompatible.swift
//
//  Created by はるふ on 2017/12/21.
//  Copyright © 2017年 ha1f. All rights reserved.
//


import UIKit

ha1f

// 案1

extension UIView {
    /// Returns UILayoutGuide compatible with safeAreaLayoutGuide.
    /// `.safeAreaLayoutGuide` is available only iOS 11+, but safeAreaLayoutGuide
    /// should be same as layoutguide of UIView under iOS 11.
    ///
    /// - returns safeAreaLayoutGuide or layoutGuide of self
    func safeLayoutGuideOrSelfLayoutGuide() -> UILayoutGuide {
        if #available(iOS 11.0, *) {

ha1f

//
//  NthTimeLucky.swift
//
//  Created by はるふ on 2018/05/24.
//  Copyright © 2018年 ha1f. All rights reserved.
//

import Foundation
import RxSwift

ha1f

extension UIImage {
    /// CGAffineTransform to apply orientation of the image
    var orientationTransformer: CGAffineTransform {
        var transform = CGAffineTransform(translationX: size.width / 2, y: size.height / 2)
        switch imageOrientation {
        case .up, .upMirrored:
            break
        case .down, .downMirrored:
            transform = transform.rotated(by: CGFloat.pi)
        case .left, .leftMirrored:

ha1f

import Foundation
// import EthereumKit
// import Play

final class Lets {
    private let nyanWallet = Wallet("💰")
    private let nyan = Haruna("🐈")
    
    func go(to place: String) {
        nyan.move(to: place)

ha1f

class History<T> {
    
    // MARK: Properties
    
    private var _undoStack: [T] = []
    private var _redoStack: [T] = []
    private var _current: T
    
    // MARK: Getter, Setter