Link

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  Link - class to represent link
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CONSTRUCTOR

  Link()               - generic constructor, creates a Link with zero coordinates
  Link(Link)           - copy constructor
  Link(index1, index2) - creates a Link between nodes index1 and index2


	

ATTRIBUTES

  parent (read-only)     - Link's parent object, Glyph
  node1, node2 (integer) - indexes of the nodes that are linked


	

OPERATIONS

  none
 

	

METHODS

  ToHint() - transforms link to Hint (and returns it as a result)
             using parent as a source of node coordinates. Parent must exist