%    Copyright (C) 1994 Aladdin Enterprises.  All rights reserved.
% 
% This file is part of Aladdin Ghostscript.
% 
% Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
% or distributor accepts any responsibility for the consequences of using it,
% or for whether it serves any particular purpose or works at all, unless he
% or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
% License (the "License") for full details.
% 
% Every copy of Aladdin Ghostscript must include a copy of the License,
% normally in a plain ASCII text file named PUBLIC.  The License grants you
% the right to copy, modify and redistribute Aladdin Ghostscript, but only
% under certain conditions described in the License.  Among other things, the
% License requires that the copyright notice and this notice be preserved on
% all copies.

% markhint.ps
% Draw the hints for a Type 1 font.

(type1ops.ps) run

/mhsetup		% <matrix> mhsetup -
 { /mhmx exch def
   /mhdash 0 9 gsave initmatrix dtransform grestore idtransform add abs def
   gsave
   clippath pathbbox
   2 index sub /bbh exch def
   2 index sub /bbw exch def
   /bby exch def
   /bbx exch def
   grestore
 } def

/markfonthints		% <matrix> markfonthints -
 { mhsetup
 } def

/hmark			% <y> hmark -
 { bbx exch moveto bbw 0 rlineto stroke
 } def
/vmark			% <x> vmark -
 { bby moveto 0 bbh rlineto stroke
 } def
/pmark			% <x> <y> pmark -
 { newpath 0 4.5 gsave initmatrix dtransform grestore idtransform add abs
   0 360 arc stroke
 } def
/mchdict mark
  /hsbw { pop 0 mhmx transform translate 0 0 pmark }
  /sbw { pop pop mhmx transform translate 0 0 pmark }
  /hstem
   { 1 index add exch gsave
     [mhdash] 0 setdash 0 exch mhmx transform exch pop hmark
     [mhdash 2 div dup 2 mul] 0 setdash 0 exch mhmx transform exch pop hmark
     grestore
   }
  /vstem
   { 1 index add exch gsave
     [mhdash] 0 setdash 0 mhmx transform pop vmark
     [mhdash 2 div dup 2 mul] 0 setdash 0 mhmx transform pop vmark
     grestore
   }
  /callothersubr
   { 3 eq { pop } { { pop } repeat } ifelse
   }
  /callsubr
   { Private /Subrs get exch get mchinterp
   }
  /pop
   {
   }
  /return
   {
   }
.dicttomark def

/mchinterp		% <charstring> mchinterp -
 { 4330 exch dup length string .type1decrypt exch pop
   dup length lenIV sub lenIV exch getinterval
   0 () /SubFileDecode filter
   mark exch charstack_read ]
    { dup type /nametype eq
       { mchdict exch .knownget { exec } { cleartomark mark } ifelse
       }
      if
    }
   forall
 } def

/markcharhints		% <charname> <matrix> markcharhints -
 { mhsetup
   gsave mark
   /Private currentfont /Private get def
   /lenIV Private /lenIV .knownget not { 4 } if def
   currentfont /CharStrings get 3 -1 roll get mchinterp
   cleartomark grestore
 } def