Sha256: 8c655f50031c199bc2c76a695a40415b3eb3120de8df44f8b953f9d2431eff30
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Size: 881 Bytes
Versions: 7
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Stored size: 881 Bytes
Contents
class PSD::Image::Mode
module Greyscale
private
def combine_greyscale8_channel
if channels == 2
# We have an alpha channel
@num_pixels.times do |i|
alpha = @channel_data[i]
grey = @channel_data[@channel_length + i]
@pixel_data.push grey, grey, grey, alpha
end
else
@num_pixels.times do |i|
@pixel_data.push *([@channel_data[i]] * 3), 255
end
end
end
def combine_greyscale_channel
if channels == 2
(0...@num_pixels).step(pixel_step) do |i|
alpha = @channel_data[i]
grey = @channel_data[@channel_length + i]
@pixel_data.push grey, grey, grey, alpha
end
else
(0...@num_pixels).step(pixel_step) do |i|
@pixel_data.push *([@channel_data[i]] * 3), 255
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems