class Magick::RVG::Group

end
grp.circle(10, 20, 20).styles(:stroke=>‘blue’)
# The circle will be blue.
grp.line(10,10, 20,20)
# The line will be red.
rvg.g.translate(50, 10).styles(:stroke=>‘red’,:fill=>‘none’) do |grp|
# x-direction and 10 in the y-direction.
# All elements in the group will be translated by 50 in the
Example:
containers with the RVG::StructureConstructors#g method.
Create groups within
Groups can be reused with the RVG::UseConstructors#use method.
nested groups unless overridden by a nested container or the object itself.
on the group are used by contained objects such as shapes, text, and
Group objects are containers. That is, styles and transforms defined
Define a collection of shapes, text, etc. that can be reused.

def <<(obj) #:nodoc:

:nodoc:
by #use to insert a non-container object into a group.
Append an arbitrary object to the group's content. Called 
def <<(obj)  #:nodoc:
  @content << obj
end

def add_primitives(gc) #:nodoc:

:nodoc: 
def add_primitives(gc)  #:nodoc:
  gc.push
  add_transform_primitives(gc)
  add_style_primitives(gc)
  @content.each { |element| element.add_primitives(gc) }
  gc.pop
end

def initialize 

def initialize
  super
  @content = Content.new
  yield(self) if block_given?
end

def ref(x, y, width, height) #:nodoc:

:nodoc:
Translate container according to #use arguments 
def ref(x, y, width, height)    #:nodoc:
  translate(x, y) if x != 0 || y != 0
end