Sha256: bbe79f099e6e620d8f2d3cde5a699032e5163c5b1788109b7a1e64377cd80f00
Contents?: true
Size: 687 Bytes
Versions: 11
Compression:
Stored size: 687 Bytes
Contents
class PSD
module ImageMode
module Greyscale
private
def set_greyscale_channels
@channels_info = [{ id: 0 }]
@channels_info << { id: -1 } if channels == 2
end
def combine_greyscale_channel
if channels == 2
(0...@num_pixels).step(pixel_step) do |i|
grey = @channel_data[i]
alpha = @channel_data[@channel_length + i]
@pixel_data.push ChunkyPNG::Color.grayscale_alpha(grey, alpha)
end
else
(0...@num_pixels).step(pixel_step) do |i|
@pixel_data.push ChunkyPNG::Color.grayscale(@channel_data[i])
end
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems