GradientViewController.swift

GradientViewController.swift

//
//  GradientViewController.swift
//  透明至黑漸層
//
//  Created by JoeAngel on 2015/06/05.
//

import UIKit

class Colors {
    
    let colorTop = UIColor(red: 0/255.0, green: 0/255.0, blue: 0/255.0, alpha: 0.0).CGColor
    let colorBottom = UIColor(red: 0/255.0, green: 0/255.0, blue: 0/255.0, alpha: 1.0).CGColor
    
    let gl: CAGradientLayer
    
    init() {
        gl = CAGradientLayer()
        gl.colors = [colorTop, colorBottom]
        gl.locations = [0.0, 1.0]
    }
}


class GradientViewController: UIViewController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Do any additional setup after loading the view.
        
        NSLog("<%@:%d %@>", __FILE__.lastPathComponent, __LINE__, __FUNCTION__)
        
        var backgroundLayer = Colors().gl
        println(bannerScrollView.frame)
        println(bannerScrollView.contentSize)
        backgroundLayer.frame = CGRectMake(imageView.frame.minX, imageView.frame.minY, w, h)
        self.view.layer.insertSublayer(backgroundLayer, atIndex: 999)
        
        var nameLabel = UILabel(frame: CGRectMake(0, 0, 100, 30)
        cpDiscriptionLabel.text = "相遇時，學著要；告別時，試著剛強"
        cpDiscriptionLabel.textColor = UIColor.whiteColor()
        self.view.addSubview(nameLabel)
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
        
        NSLog("<%@:%d %@>", __FILE__.lastPathComponent, __LINE__, __FUNCTION__)
    }

}