NAME

       CGlue - connector glue

SYNOPSIS

       #include <Unidraw/cglue.h>

DESCRIPTION

       CGlue defines a natural size, elasticity (its rate of stretching and shrinking relative to
       other CGlue), and deformation limits (total amount it can stretch and shrink) in both  the
       horizontal  and  vertical  dimensions.   CGlue  can  be  interposed  between two connected
       connectors to augment their connectivity semantics; it acts like two  non-linear  springs,
       one horizontal and one vertical, connecting the connectors' centers.

PUBLIC OPERATIONS

       CGlue(

           float hnat = 0, float vnat = 0,
           float hshr = 0, float hstr = 0,
           float vshr = 0, float vstr = 0,
           float hshrlim = 0, float hstrlim = 0,
           float vshrlim = 0, float vstrlim = 0
       )

       CGlue(const Shape&)
              Instantiate  CGlue, providing the requisite parameters explicitly or inferring them
              from a Shape object.  If a shape is supplied, then the  CGlue  adopts  the  shape's
              natural size, and it assigns the shape's stretchability and shrinkability values to
              its corresponding CGlue elasticity members to obtain a  proportionately  equivalent
              elasticity.  It also assigns the shape's stretchability and shrinkability values to
              its deformation limit members.  The parameters are described below:

              hnat, vnat: horizontal and vertical natural sizes, screen units

              hshr, vshr: horizontal and vertical shrinking rate, constant units

              hstr, vstr: horizontal and vertical stretching rate, constant units

              hshrlim, vshrlim: horizontal and vertical shrink limit, screen units

              hstrlim, vstrlim: horizontal and vertical stretch limit, screen units

       CGlue* Copy()
              Create a copy of this CGlue instance.

       void Rigid()
              Set all elasticity and deformation limits equal to zero.

       void Interpose(const CGlue* glue)
              Change this instance's attributes to reflect the series  combination  of  this  and
              glue.

SEE ALSO

       Connector(3U), Shape(3I)