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require "rghost/ps_object"
# Creates postscript internal function. Example
# f=RGhost::Function.new :foo do
# set Show.new("A Test")
# end
# In ps stack will be
# /foo (A Test) show def
class RGhost::Function < RGhost::PsObject
attr_reader :name
def initialize(name, body_function = nil, &block)
if block
super(&block)
else
super("")
end
@name = name
@body_function = body_function
end
def use_template(function_name)
call "_#{function_name}"
end
def ps
@body_function ||= super
"\n/#{@name}{\n#{@body_function}\n} bind def \n"
end
end
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