Sha256: ba723ed38100d0c8e611862c0b81994f7d9561a94f5a73d37b109ccca089f950
Contents?: true
Size: 866 Bytes
Versions: 13
Compression:
Stored size: 866 Bytes
Contents
require 'image_optim/worker'
require 'image_optim/option_helpers'
class ImageOptim
class Worker
# http://www.advsys.net/ken/util/pngout.htm
class Pngout < Worker
COPY_CHUNKS_OPTION =
option(:copy_chunks, false, 'Copy optional chunks'){ |v| !!v }
STRATEGY_OPTION =
option(:strategy, 0, 'Strategy: '\
'`0` - xtreme, '\
'`1` - intense, '\
'`2` - longest Match, '\
'`3` - huffman Only, '\
'`4` - uncompressed') do |v|
OptionHelpers.limit_with_range(v.to_i, 0..4)
end
def run_order
2
end
def optimize(src, dst)
args = %W[
-k#{copy_chunks ? 1 : 0}
-s#{strategy}
-q
-y
#{src}
#{dst}
]
execute(:pngout, *args) && optimized?(src, dst)
end
end
end
end
Version data entries
13 entries across 13 versions & 3 rubygems