Raster graphics operations/Ruby: Difference between revisions

==The Code==

Collecting all the Ruby code from [[:Category:Raster graphics operations]], so one can invoke: <code>require 'raster_graphics'</code>

<lang ruby>###########################################################################

# Represents an RGB[http://en.wikipedia.org/wiki/Rgb] colour.

def save_as_png(filename)

require 'chunky_png'

stream = StringIO.new("", "r+")

each_pixel {|x, y| stream << self[x, y].values.pack("ccc")}