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module Cairo
define_constants = Proc.new do |const_module, prefix, target|
target ||= self
const_module.constants.each do |const_name|
target.const_set([prefix, const_name].compact.join("_"),
const_module.const_get(const_name))
end
end
%w(operator antialias fill_rule line_cap line_join font_slant
font_weight subpixel_order hint_style hint_metrics content
format extend filter).each do |name|
module_name = name.split(/_/).collect {|component| component.capitalize}.join
define_constants.call(const_get(module_name), name.upcase)
end
define_constants.call(PathDataType, "PATH")
define_constants.call(PathDataType, nil, Path)
define_constants.call(SVGVersion, nil, SVGSurface)
define_constants.call(SVGVersion, "SVG")
if const_defined?(:TextClusterFlag)
define_constants.call(TextClusterFlag, "TEXT_CLUSTER_FLAG")
end
end
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