def generate!(slip, path)
      image = MiniMagick::Image.open(File.expand_path('../../../assets/slip.png', __FILE__))
      Bollettino::Renderer::Slip.render(image, slip)
      image.write path
    end
def generate!(slip, path)
      image = MiniMagick::Image.open(File.expand_path('../../../assets/slip.png', __FILE__))
      Bollettino::Renderer::Slip.render(image, slip)
      image.write path
    end
Initializes the generator.

 @param options [Hash]
 Generates the given slip.

 @param slip [Bollettino::Slip]
 @param path [String]