class Gnawrnip::Developer
Public Instance Methods
develop(file)
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# File lib/gnawrnip/developer.rb, line 5 def develop(file) image = Image.new(file) resize(image) if need_resize? image end
Private Instance Methods
calculate_new_size(width, height)
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Return new frame size (width and height). This size is keeping original aspect ratio.
@return [Array] New width and height size. [width, height]
# File lib/gnawrnip/developer.rb, line 31 def calculate_new_size(width, height) ratio = width.to_f / height.to_f target = Gnawrnip.max_frame_size return [width, height] if target > [width, height].max if ratio < 1 new_width = target * ratio new_height = target else new_width = target new_height = target / ratio end [new_width, new_height] end
need_resize?()
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# File lib/gnawrnip/developer.rb, line 21 def need_resize? !Gnawrnip.max_frame_size.nil? end
resize(image)
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# File lib/gnawrnip/developer.rb, line 13 def resize(image) new_width, new_height = calculate_new_size(image.width, image.height) return if [new_width, new_height] === [image.width, image.height] image.resize(new_width, new_height) end