glowing label.rb

def rgba_color(r, g, b, a=1)
  UIColor.colorWithRed((r/255.0), green:(g/255.0), blue:(b/255.0), alpha:a)
end

class MyApplicationController < UIViewController

  def viewDidLoad
    font = UIFont.fontWithName('DS-Digital', size:20)
    color = rgba_color(255, 255, 255)

    @label = UILabel.new
    @label.font = font
    @label.textColor = color
    @label.text = 'DS-Digital font'
    @label.frame = [[0, 0], [self.width, self.height]]
    @label.lineBreakMode = UILineBreakModeWordWrap
    @label.numberOfLines = 0
    @label.setBackgroundColor(UIColor.clearColor);

    shadow_color = rgba_color(200, 200, 255)
    @label.layer.shadowColor = shadow_color.CGColor;
    @label.layer.shadowOffset = [2, 2];
    @label.layer.shadowRadius = 2.0;
    @label.layer.shadowOpacity = 1.0;
    @label.layer.masksToBounds = false;
    @label.sizeToFit

    view.addSubview(@label)
  end

end