border(options = {})

Add a border to the outside of the image.

Use the following keys in the options hash:

• :size
  Width of the border on each side. You can use a 2 dimensional value "5x10" if you want different widths for the sides and top borders, but a single integer will apply the same border on all sides.

• :color
  The color of the border. Use an RMagick named color 'red', color(r, g, b), or a Magick::Pixel object.

Example

@photo.operate do |image|
  # Defaults
  image.border(
    :size  => 10,
    :color => 'white'    # or color(255, 255, 255)
  )
  
  # Big, pink and wide
  image.border(
    :size  => '200x100',
    :color => color(255, 128, 128)
  )
end

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