Sha256: 35ebfabd2b6ecd7bde28aed95d0c558769acbe104aea64a569d44acf6e29f24b
Contents?: true
Size: 1.03 KB
Versions: 7
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Stored size: 1.03 KB
Contents
require 'gnawrnip/image'
module Gnawrnip
class Developer
def develop(file)
image = Image.new(file)
resize(image) if need_resize?
image
end
private
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
def need_resize?
!Gnawrnip.max_frame_size.nil?
end
#
# Return new frame size (width and height).
# This size is keeping original aspect ratio.
#
# @return [Array] New width and height size. [width, height]
#
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
end
end
Version data entries
7 entries across 7 versions & 1 rubygems