gs_ccfnt.ps

GhostScript的源代码

%    Copyright (C) 1994, 1996 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.

% $Id: gs_ccfnt.ps $
% Find and register all the precompiled font operators in systemdict.

/registerfont			% <fontname> <fontdict> registerfont <font>
 { DEBUG { (Registering ) print 1 index = } if
   dup begin
     Encoding type /nametype eq
      { Encoding .findencoding /Encoding exch def
      }
     if
     dup /PrefEnc known
      { PrefEnc type /nametype eq
	 { PrefEnc .findencoding /PrefEnc exch def
	 }
	if
      }
     if
     dup /FDepVector known
      { /FDepVector [ FDepVector
	 { .FontDirectory 1 index .knownget
	    { exch pop }
	    { ccfonts 1 index .knownget
	       { registerfont
	       }
	       { Fontmap 1 index known
		  { findfont }
		  { pop NullFont }
		 ifelse
	       }
	      ifelse
	    }
	   ifelse
	 }
	forall ] readonly def
      }
     if
   end
   % Use the value of definefont appropriate at run-time, not bind-time
   /definefont load exec
 } bind odef
% Bind recursive call (bind descends into oparrays: feature!)
/registerfont dup load bind def

/.loadinitialfonts {
   //.loadinitialfonts exec
   /ccfonts mark
     0 1 null .getccfont 1 sub { .getccfont dup /FontName get exch } for
   .dicttomark def
   ccfonts
    { .FontDirectory 2 index known { pop pop } { registerfont pop } ifelse }
   forall
  currentdict /ccfonts .undef
} bind def

currentdict /registerfont .undef


% If we're in a Level 2 system but running in Level 1 mode,
% register the fonts explicitly as resources.
% This is a bit of a hack, but doing better is too much work.

/level2dict where
 { pop /findresource where
    {		% Level 2 system, Level 2 mode
      pop
    }
    {		% Level 2 system, Level 1 mode
      /Font /Category level2dict /findresource get exec begin
      .FontDirectory
       { dup .gcheck { Instances } { LocalInstances } ifelse
	 3 1 roll [exch 0 -1] .growput
       }
      forall end
    }
   ifelse
 }
if