ref: 01986adbbf75c07c613b11fcb81a8015a71e5664
dir: /sys/src/cmd/gs/lib/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,v 1.4 2002/02/21 21:49:28 giles Exp $
% 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