Class: Sprite::ImageResizer

Inherits:
Object
  • Object
show all
Defined in:
lib/sprite/image_resizer.rb

Instance Method Summary collapse

Constructor Details

#initialize(resize_to) ⇒ ImageResizer

Returns a new instance of ImageResizer.



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# File 'lib/sprite/image_resizer.rb', line 3

def initialize(resize_to)
  if resize_to
    @resizing = true
    @target_width, @target_height = *(resize_to.split('x').map(&:to_i))
  end
end

Instance Method Details

#resize(image) ⇒ Object 



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# File 'lib/sprite/image_resizer.rb', line 10

def resize(image)
  if @resizing
    needs_resizing = image.columns != @target_width || image.rows != @target_height
    if needs_resizing
      image.scale!(@target_width, @target_height)
    end
  end
end