[cairo-commit] rcairo/src/lib/cairo constants.rb,NONE,1.1

[Kouhei Sutou]

Committed by: kou

Update of /cvs/cairo/rcairo/src/lib/cairo
In directory kemper:/tmp/cvs-serv2361/src/lib/cairo

Added Files:
	constants.rb 
Log Message:
* src/rb_cairo.h, src/cairo.def, src/rb_cairo_constants.rb:
  added a module for each enum type.
* src/lib/cairo/constants.rb: kept the backward compatibility.


--- NEW FILE: constants.rb ---
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 font_type
     content surface_type format pattern_type 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")
end