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% $Header: /cvsroot/html2ps/postscript/box.input.radio.ps,v 1.1 2005/12/18 07:21:37 Konstantin Exp $

/show-checked-circle-box {
% render empty (unchecked) radio button
  show-circle-box
  
% Get circle center coordinates 
  dup get-left
  1 index get-right
  add 2 div

  1 index get-top
  2 index get-bottom
  add 2 div                        % => CX CY
  
% Calculate circle radius
  2 index get-width
  6 div

  0 360 
  0.25 setlinewidth

% render the black point in the button's center
  newpath
  arc
  fill
} def

/show-circle-box {
% Get circle center coordinates 
  dup get-left
  1 index get-right
  add 2 div

  1 index get-top
  2 index get-bottom
  add 2 div

% calculate circle radius
  2 index get-width
  3 div

  0 360 
  0.25 setlinewidth

% render the empty (unchecked) radio button
  newpath
  arc
  stroke
} def