Sha256: 13794862595de1ac61c9846add38081f6f59f4518bfad2664500c49d24c113ad
Contents?: true
Size: 750 Bytes
Versions: 15
Compression:
Stored size: 750 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 == 0
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
15 entries across 15 versions & 2 rubygems