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acctest.ps
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ps2ascii.ps
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quit.ps
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ras1.upp
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rollconv.ps
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showchar.ps
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Edit:
/usr/share/ghostscript/8.70/lib/addxchar.ps
(9848B)
% Copyright (C) 1999 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: addxchar.ps 6300 2005-12-28 19:56:24Z giles $ % Add the Central European and other Adobe extended Latin characters to a % Type 1 font. % Requires -dWRITESYSTEMDICT to disable access protection. (type1ops.ps) runlibfile % ---------------- Utilities ---------------- % /addce_dict 50 dict def addce_dict begin % Define the added copyright notice. /addednotice (. Portions Copyright (C) 1999 Aladdin Enterprises.) def % Open a font for modification by removing the FID and changing the % FontName. Removing UniqueID and XUID is not necessary, since we % will only be adding characters. /openfont { % <name> <font> openfont <name> <font'> dup length dict copy dup /FID undef dup /FontName 3 index put } def % Do the equivalent of false charpath for a glyph. % This should really be an operator! /glyphpath { % <glyph> glyphpath - currentfont /Encoding get 0 3 -1 roll put <00> false charpath } def % Do the equivalent of charpath + pathbbox for a glyph. /glyphbbox { % <glyph> glyphbbox <llx> <lly> <urx> <ury> % We cache this value, because it's expensive to compute. BBoxes 1 index .knownget { exch pop } { gsave newpath 0 0 moveto dup glyphpath [pathbbox] grestore BBoxes 3 -1 roll 2 index put } ifelse aload pop } def % Get the side bearing and width for a glyph. /glyphsbw { % <glyph> glyphsbw <lsbx> <wx> % We cache this value, because it's expensive to compute. SBW 1 index .knownget { exch pop } { dup glyphcs { dup /hsbw eq { pop exit } if } forall 2 array astore SBW 3 -1 roll 2 index put } ifelse aload pop } def % Get the CharString for a glyph, as an array. /glyphcs { % <glyph> glyphcs <array> CharStrings exch get 4330 exch dup length string .type1decrypt exch pop dup length lenIV sub lenIV exch getinterval 0 () /SubFileDecode filter [ exch charstack_read ] } def % Find an occurrence of a value in an array. /asearch { % <array> <value> asearch <index> true % <array> <value> asearch false false 0 4 2 roll exch { % Stack: false index value element 2 copy eq { pop pop exch not exch dup exit } if exch 1 add exch } forall pop pop } def % Convert an array back to a CharString. /csdef { % <glyph> <array> csdef - charproc_string 4330 exch dup .type1encrypt exch pop readonly CharStrings 3 1 roll put } def % Split an accented character name. /splitaccented { % <Baccent> splitaccented <Baccent> <B> <accent> dup =string cvs dup 0 1 getinterval cvn exch dup length 1 sub 1 exch getinterval cvn } def % Begin the definition of a 'seac' character. % Defines accent, base, abox, bbox. % The initial dx lines up the origins of the base and the accent. /beginseac { % <bchar> <achar> beginseac % -mark- <lsbx> <wx> /hsbw <asb> <dx> /accent exch def /base exch def /abox [accent glyphbbox] def /bbox [base glyphbbox] def [ base glyphsbw /hsbw accent glyphsbw pop dup 4 index sub } def % Center the accent over the base of a 'seac' character. /centeraccent { % <dx> centeraccent <adx> bbox 2 get bbox 0 get add 2 div abox 2 get abox 0 get add 2 div sub add } def % Finish the definition of a 'seac' character. /finishseac { % <charname> -mark- ... <adx> <ady> finishseac - exch cvi exch cvi charindex base get charindex accent get /seac ] csdef } def % ---------------- Main program ---------------- % % Define accented characters that can be made with seac, % with the accent centered over the character. /seacchars [ /Abreve /Amacron /Cacute /Ccaron /Dcaron /Ecaron /Edotaccent /Emacron /Gbreve /Idotaccent /Imacron /Lacute /Nacute /Ncaron /Ohungarumlaut /Omacron /Racute /Rcaron /Sacute /Scedilla /Tcaron /Uhungarumlaut /Umacron /Uogonek /Uring /Zacute /Zdotaccent /abreve /amacron /cacute /ccaron /ecaron /edotaccent /emacron /gbreve /lacute /nacute /ncaron /ohungarumlaut /omacron /racute /rcaron /sacute /scedilla /uhungarumlaut /umacron /uring /zacute /zdotaccent ] def % Define seac characters where the accent lines up with the right % edge of the character. /seacrightchars [ /Aogonek /Eogonek /Iogonek /aogonek /eogonek /iogonek /uogonek ] def % Define seac characters where the caron becomes an appended quoteright. /seaccaronchars [ /dcaron /lcaron /tcaron ] def % Define seac characters using commaaccent. /seaccommachars [ /Gcommaaccent /Kcommaaccent /Lcommaaccent /Ncommaaccent /Rcommaaccent /Scommaaccent /Tcommaaccent /gcommaaccent /kcommaaccent /lcommaaccent /ncommaaccent /rcommaaccent /scommaaccent /tcommaaccent ] def % Define the characters copied from the Symbol font. /symbolchars [ /Delta /greaterequal /lessequal /lozenge /notequal /partialdiff /summation ] def % Define the procedures for editing the commaaccent character. % Delete all the hints, since it's too hard to adjust them. /caedit mark /rmoveto { exch commatop sub cvi exch } /hstem { pop pop pop } /vstem 1 index /callothersubr { dup 3 eq { 4 { pop } repeat /skip true def } if } /pop { skip { pop /skip false def } if } .dicttomark def /addce { % <name> <font> addce <font'> 20 dict begin /origfont 1 index def openfont dup /CharStrings 2 copy get dup length dict copy put dup /Encoding 2 copy get dup length array copy put dup /FontInfo 2 copy get dup length dict copy put definefont /font exch def currentdict font end begin begin font 1000 scalefont setfont /symbolfont /Symbol findfont def /BBoxes CharStrings length dict def /SBW CharStrings length dict def /italfactor FontInfo /ItalicAngle .knownget { neg dup sin exch cos div } { 0 } ifelse def % Invert the Encoding (needed for seac). /charindex 256 dict def 0 1 255 { charindex exch Encoding 1 index get exch put } for % Add the commaaccent character, by moving the comma downward. /comma glyphbbox /commatop exch def pop pop pop /comma glyphcs /skip false def [ exch { caedit 1 index .knownget { exec } if } forall ] /commaaccent exch csdef % Add the accented characters that can be made with seac. seacchars { splitaccented beginseac centeraccent % If the accent would collide with the base character, % raise it a little. abox 1 get bbox 3 get sub dup 0 le { % ... but not if the accent is in the low position. abox 1 get 0 gt { neg 60 add % Adjust the X position if italic. dup italfactor mul 3 -1 roll add exch } { pop 0 } ifelse } { pop 0 } ifelse finishseac } forall seacrightchars { splitaccented beginseac bbox 2 get abox 2 get sub add % line up right edges 0 finishseac } forall /dcroat /d /hyphen beginseac bbox 2 get abox 2 get sub add % line up right edges 0 finishseac /imacron /dotlessi /macron beginseac centeraccent 0 finishseac /Lcaron /L /quoteright beginseac bbox 2 get abox 2 get sub add % line up right edges 0 finishseac seaccaronchars { dup =string cvs 0 1 getinterval cvn /quoteright beginseac % Move the quote to the right of the character. bbox 2 get abox 0 get sub 50 add add % Adjust the character width as well. 4 -1 roll abox 2 get abox 0 get sub 50 add add cvi 4 1 roll 0 finishseac } forall seaccommachars { dup =string cvs 0 1 getinterval cvn /comma beginseac centeraccent commatop neg % Lower the accent if the character extends below % the baseline bbox 1 get 0 .min add finishseac } forall % Add the characters from the Symbol font. % We should scale them to match the FontBBox, but we don't. symbolchars { symbolfont /CharStrings get 1 index get CharStrings 3 1 roll put } forall % Add the one remaining character. CharStrings /Dcroat CharStrings /Eth get put % Recompute the FontBBox, since some of the accented characters % may have enlarged it. /llx 1000 def /lly 1000 def /urx 0 def /ury 0 def CharStrings { pop glyphbbox ury .max /ury exch def urx .max /urx exch def lly .min /lly exch def llx .min /llx exch def } forall /FontBBox llx cvi lly cvi urx ceiling cvi ury ceiling cvi 4 packedarray def % Restore the Encoding and wrap up. [/Copyright /Notice] { FontInfo 1 index .knownget { addednotice concatstrings FontInfo 3 1 roll put } { pop } ifelse } forall FontName font openfont dup /Encoding origfont /Encoding get put definefont end end } def currentdict end readonly pop % addce_dict /addce { addce_dict begin addce end } def % ---------------- Integration ---------------- % % We would like to patch the font loader so that it adds the extended % Latin characters automatically. We haven't done this yet. % ---------------- Test program ---------------- % /TEST where { pop TEST } { false } ifelse { /FONT where { pop } { /FONT /Palatino-Italic def } ifelse (unprot.ps) runlibfile unprot (wrfont.ps) runlibfile wrfont_dict begin /eexec_encrypt true def /binary_CharStrings true def end save FONT findfont /Latin-CE exch addce setfont (t.ce.pfb) (w) file dup writefont closefile restore (prfont.ps) runlibfile (t.ce.pfb) (r) file .loadfont /Latin-CE DoFont quit } if
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