% $Header: /cvsroot/html2ps/postscript/flow.float.ps,v 1.1 2005/12/18 07:21:38 Konstantin Exp $

/add-deferred-float {              % => Parent Float
  1 index get-box-dict 
  /Flow get 
  /DeferredFloats get              % => Parent Float DefFList
% see comments on array-append/array-prepend
  array-prepend                     % => Parent DefFList'
  1 index get-box-dict 
  /Flow get                        % => Parent DefFList' FlowDict
  /DeferredFloats 2 index put
  pop pop
} def

% Find the maximal X at the given Y coordinate suitable for float placement
/float-right-x {                   % => Parent Float W X0
  context-floats
  1 index                          % => Parent Float W X0 Floats X0
  5 index get-current-y            % => Parent Float W X0 Floats X0 Y0
% The following line is a dirty hack; it is required, as due some rounding errors
% the right corner, lying on the right float box edge, is not treated by point-in-floats
% correctly
  exch 0.0001 sub exch
  
  point-in-floats dup false ne {   % => Parent Float W X0 Float
      get-left 1 sub               % => Parent Float W X0 X1
      exch pop                     % => Parent Float W X1
      float-right-x                % => X
  } {
      pop                          % => Parent Float W X0
      exch pop                     % => Parent Float X0
      exch pop                     % => Parent X
      exch pop                     % => X
  } ifelse                         % => X
} def