Sha256: 94457b76e375a233fdc9c08d176159ad0e9b290f29c244ab7f151e4e7b9fde44
Contents?: true
Size: 751 Bytes
Versions: 13
Compression:
Stored size: 751 Bytes
Contents
class ImageOptim
# Present size in readable form as fixed length string
module Space
SIZE_SYMBOLS = %w[B K M G T P E].freeze
BASE = 1024.0
PRECISION = 1
LENGTH = 4 + PRECISION + 1
EMPTY_SPACE = ' ' * LENGTH
def self.space(size)
case size
when 0, nil
EMPTY_SPACE
else
log_denominator = Math.log(size.abs) / Math.log(BASE)
degree = [log_denominator.floor, SIZE_SYMBOLS.length - 1].min
number_string = if degree.zero?
size.to_s
else
denominator = BASE**degree
number = size / denominator
format("%.#{PRECISION}f", number)
end
"#{number_string}#{SIZE_SYMBOLS[degree]}".rjust(LENGTH)
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems