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# File 'lib/skeptick/sugar/torn_paper_image.rb', line 5
def torn_paper_image(*args, &blk)
opts = args.last.is_a?(Hash) ? args.pop : {}
spread = opts[:spread] || 1
blur = opts[:blur] || '0x.7'
threshold = opts[:threshold] || 50
compose(:copy_opacity, *args) do
convert(&blk) if block_given?
convert do
set '+clone'
set '-virtual-pixel', 'transparent'
set :spread, spread
set :channel, 'A'
set :blur, blur
set :threshold, "#{threshold}%"
end
set :blur, blur
end
end
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