Sha256: 14410763920128e2213de7ec8966ecfe35c15bde8edd94a10650eafe268288e6
Contents?: true
Size: 1 KB
Versions: 11
Compression:
Stored size: 1 KB
Contents
class PSD
module ImageMode
module CMYK
private
def set_cmyk_channels
@channels_info = [
{ id: 0 },
{ id: 1 },
{ id: 2 },
{ id: 3 }
]
@channels_info << {id: -1} if channels == 5
end
def combine_cmyk_channel
cmyk_channels = @channels_info.
map { |ch| ch[:id] }.
reject { |ch| ch < -1 }
(0...@num_pixels).step(pixel_step) do |i|
c = m = y = k = 0
a = 255
cmyk_channels.each_with_index do |chan, index|
val = @channel_data[i + (@channel_length * index)]
case chan
when -1 then a = val
when 0 then c = val
when 1 then m = val
when 2 then y = val
when 3 then k = val
end
end
rgb = PSD::Color.cmyk_to_rgb(255 - c, 255 - m, 255 - y, 255 - k)
@pixel_data.push ChunkyPNG::Color.rgba(*rgb.values, a)
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems