Helloworld Swift

uilabel.swift

//
//  ViewController.swift
//  helloworld-swift
//
//  Created by Shunsuke Ohba on 2014/10/04.
//  Copyright (c) 2014年 Shunsuke Ohba. All rights reserved.
//

import UIKit

class ViewController: UIViewController
{
    override func viewDidLoad()
    {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.

        // 全体サイズ 第1第2引数を0にすると、中心が座標となるこの場合(150,200)
        let myLabel:UILabel = UILabel(frame:CGRectMake(0, 0, 300, 400))
        // layerの座標は150, 200を指す
        // デフォルトでこのような処理になることを肝に命じておこう
        print(myLabel.layer.position)
        myLabel.backgroundColor = UIColor.orangeColor()
        myLabel.text = "Hello world Swift"
        myLabel.layer.masksToBounds = true
        myLabel.textColor = UIColor.blackColor()
//        myLabel.x = 20
//        myLabel.y = 10
//        myLabel.position = CGPointMake (20, 10);

        myLabel.layer.position = CGPointMake(0, 0)
        myLabel.layer.anchorPoint = CGPointMake (0, 0)
        myLabel.angle = 30
//        myLabel.xx = 0
        self.view.addSubview(myLabel);
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
}

extension UIView
{
    var anchorPoint:CGPoint {
        get {
            return self.layer.anchorPoint
        }
        set {
            self.layer.anchorPoint = newValue
        }
    }
    
    var x:CGFloat {
        get {
            return self.layer.position.x;
        }
        set {
            self.layer.position.x = newValue
        }
    }
    
    var y:CGFloat {
        get {
            return self.layer.position.y;
        }
        set {
            self.layer.position.y = newValue
        }
    }
    
    
    var position:CGPoint {
        get {
            return self.layer.position;
        }
        set {
           self.layer.position = newValue;
        }
    }
    
    var angle:CGFloat {

        get{
            return 0;
        }
        set {
            var rad = M_PI/180
            var v = newValue * CGFloat(rad)
            self.transform = CGAffineTransformMakeRotation(v)
        }
    }
}