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Edit File: markhint.ps

%    Copyright (C) 1994, 1995, 1996 Aladdin Enterprises.  All rights reserved.
% 
% This software is provided AS-IS with no warranty, either express or
% implied.
% 
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
% 
% For more information about licensing, please refer to
% http://www.ghostscript.com/licensing/. For information on
% commercial licensing, go to http://www.artifex.com/licensing/ or
% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
% San Rafael, CA  94903, U.S.A., +1(415)492-9861.

% $Id: markhint.ps 6300 2005-12-28 19:56:24Z giles $
% markhint.ps
% Draw the hints for a Type 1 font.

(type1ops.ps) runlibfile

/mhsetup		% <matrix> <print> mhsetup -
 { /mhprint exch def
   /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> <print> markfonthints -
 { mhsetup
 } def

/hmark			% <y> hmark -
 { bbx exch moveto bbw 0 rlineto stroke
 } def
/hsmark			% <y0> <dy> hsmark -
 { 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
 } def
/vmark			% <x> vmark -
 { bby moveto 0 bbh rlineto stroke
 } def
/vsmark			% <x0> <dx> vsmark -
 { 1 index add exch gsave
   [mhdash] mhdash setdash 0 mhmx transform pop vmark
   [mhdash 2 div dup 2 mul] 0 setdash 0 mhmx transform pop vmark
   grestore
 } 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
   { mhprint { (hstem ) print 2 copy 2 packedarray == } if
     hsmark
   }
  /vstem
   { mhprint { (vstem ) print 2 copy 2 packedarray == } if
     vsmark
   }
  /hstem3
   { mhprint { (hstem3 ) print 6 copy 6 packedarray == } if
     3 { hsmark } repeat
   }
  /vstem3
   { mhprint { (vstem3 ) print 6 copy 6 packedarray == } if
     3 { vsmark } repeat
   }
  /div
   { div
   }
  /callothersubr
   { 3 eq
      { pop
	mhprint { (replace) = } if
		% We're replacing hints; lighten the color.
	currentrgbcolor 3 { 2 mul 3 div 3 1 roll } repeat setrgbcolor
      }
      { { 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> <print> markcharhints -
 { mhsetup
   gsave mark
   /Private currentfont /Private get def
   Private rcheck	% make sure we won't get an access error
    { /lenIV Private /lenIV .knownget not { 4 } if def
      currentfont /CharStrings get 3 -1 roll get mchinterp
    }
    { (Sorry, this font is protected; I can't show the hints.\n) print flush
      exch
    }
   ifelse
   cleartomark grestore
 } def

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