harvey/sys/src/cmd/gs/lib/pcharstr.ps

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% $Id: pcharstr.ps,v 1.2 2000/09/19 18:29:11 lpd Exp $
% pcharstr.ps
% Print the CharStrings and Subrs (if present) from a Type 1 font,
% in either a PostScript-like or a C-compatible form,
% depending on whether CSFormat is defined as /PS or /C.

% Load the Type 1 utilities.
(type1ops.ps) runlibfile

% Define the printing procedures for PostScript-like output.
/pcs_ps_dict mark
  /, {( ) print}
  /charname {==only}
  /csbegin {}
  /beginchars {(%---------------- CharStrings\n) print}
  /charbegin {==only}
  /char1 {( ) print ==only}
  /endchars {}
  /beginsubrs {(%---------------- Subrs\n) print}
  /subrbegin {=only}
  /endsubrs {}
  /beginboxes {(%---------------- Encoding & metrics\n) print}
  /notdefbox {}
  /boxbegin {=only ( ) print}
  /boxend {(\n) print}
  /endboxes {(%----------------\n) print}
.dicttomark readonly def

% Define the printing procedures for C-like output.
/pcs_c_dict mark
  /, {(, ) print}
  /charname {(") print =only (") print}
  /csbegin {counttomark =only ,}
  /beginchars {(\nconstdata int CSCharData[] = {\n) print}
  /charbegin {pop}
  /char1 {=only ,}
  /endchars {
    (-1\n};\nconstdata char *CSCharNames[] = {\n) print
    CharStrings {pop charname ,} forall (0\n};\n) print
  }
  /beginsubrs {(\nconstdata int CSSubrs[] = {\n) print}
  /subrbegin {pop}
  /endsubrs {(-1\n};\n) print}
  /beginboxes {(\nconstdata type1_box CSboxes[] = {\n) print}
  /notdefbox {(  {""},\n) print}
  /boxbegin {pop (  {) print}
  /boxend {(},) =}
  /endboxes {(  {0}\n};\n) print}
.dicttomark readonly def

/printcs
 { dup type /stringtype eq
    { printcs1 (\n) print }
    { ( ) print == }
   ifelse
 } bind def
/printcs1
 { save exch
   lenIV 0 ge {
     4330 exch dup length string .type1decrypt exch pop
     dup length lenIV sub lenIV exch getinterval
   } if
   0 () /SubFileDecode filter
   mark exch charstack_read csbegin
   counttomark 1 sub -1 0 { index char1 } for
   cleartomark restore
 } bind def

/printfont
 { pcs_ps_dict
   /CSFormat where { pop CSFormat /C eq { pop pcs_c_dict } if } if
   begin
   currentfont begin Private begin 10 dict begin

	% Print the CharStrings and Subrs

   beginchars
   CharStrings { exch charbegin printcs } forall
   endchars
   /Subrs where
    { pop	% the dictionary
      beginsubrs
      0 1 Subrs length 1 sub
       { dup subrbegin
         Subrs exch get printcs
       } for
      endsubrs
    } if

	% Print the bounding boxes

   gsave nulldevice FontMatrix matrix invertmatrix concat
   beginboxes
   0 1 Encoding length 1 sub
    { dup Encoding exch get dup /.notdef eq
       { pop pop notdefbox
       }
       { 1 index boxbegin charname ,
         ( ) dup 0 4 -1 roll put
         newpath 0 0 moveto false charpath
	 pathbbox ({) print 4 -1 roll =only ,
	 3 -1 roll =only , exch =only , =only (}) print
         boxend
       }
      ifelse
    } for
   endboxes
   grestore

   end end end end
 } bind def