AlkantarClanX12
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% Copyright (C) 2001-2019 Artifex Software, Inc.
% 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.
%
% Refer to licensing information at http://www.artifex.com or contact
% Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
% CA 94945, U.S.A., +1(415)492-9861, for further information.
%
% Type 1 font support code.
% The standard representation for PostScript compatible fonts is described
% in the book "Adobe Type 1 Font Format", published by Adobe Systems Inc.
/t1_glyph_equivalence mark % Exported for pf2afm.ps
/Odblacute /Ohungarumlaut
/Udblacute /Uhungarumlaut
/odblacute /ohungarumlaut
/udblacute /uhungarumlaut
.dicttomark def
% Define an augmented version of .buildfont1 that inserts UnderlinePosition
% and UnderlineThickness entries in FontInfo if they aren't there already,
% and FontBBox isn't degenerate.
% (This works around the incorrect assumption, made by many word processors,
% that these entries are present in the built-in fonts.)
% Also add alternative names to some glyphs.
/.buildfont1
{
.currentglobal 3 1 roll
dup .gcheck .setglobal
dup .fontbbox {
pop pop pop pop
dup /FontInfo known not
{ //.growfontdict exec dup /FontInfo 2 dict put }
if
dup dup /FontInfo get dup dup
/UnderlinePosition known exch /UnderlineThickness known and
{ pop pop % entries already present
}
{ dup length 2 add dict .copydict
dup /UnderlinePosition known not
{ dup /UnderlinePosition 3 index /FontBBox get
1 get 2 div put % 1/2 the font descent
}
if
dup /UnderlineThickness known not
{ dup /UnderlineThickness 3 index /FontBBox get
dup 3 get exch 1 get sub 20 div put % 1/20 the font height
}
if
1 index /FontInfo get wcheck not { readonly } if
/FontInfo exch put
}
ifelse
} if
% We want to skip this process if we've already done it, and
% not do it for embedded fonts.
dup /.AGLprocessed~GS known not 1 index /PathLoad known and
{
dup /CharStrings get
% Provide all known aliases for each glyph if
% substitution is allowed (pf2afm.ps has code
% to disables it by modifying t1_glyph_equivalence).
t1_glyph_equivalence length 0 ne
{
% 16 byte scratch string
% 16 bytes is arbitrary, but should be large enough to hold any "uniXXXX" style name
//ReverseAdobeGlyphList //AdobeGlyphList 3 -1 roll
% scratch(string) RAGL(dict) AGL(dict) CharStrings(dict)
dup
{ % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) gname cstring
exch dup % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname gname
4 index exch .knownget
{ //true}
{ % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname
dup length 16 gt
{ //false }
{
% if we couldn't derive the code point from the AGL, we might derive it
% from a formatted "uniXXXX" name.
dup <00000000000000000000000000000000> cvs dup flush (uni) anchorsearch
{
% as luck would have it, we can just replace the "uni" with "16#"
% to get something we can convert to a number
pop pop dup 0 (16#) putinterval {cvi} //.internalstopped exec
{ pop //false}
{ % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname cpoint
dup 5 index exch known
{ //true }
{ pop //false }
ifelse
} ifelse
}
{ pop pop //false}
ifelse
} ifelse
} ifelse
{
% scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname cpoint
% loop through the array of names for this codepoint
% if the CharStrings dict doesn't contain an entry for the name
% create one.
5 index exch .knownget
{ % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname aglnames(array)
{ % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname aglname
dup 4 index exch known not
{ % scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname aglname
CFFDEBUG { (\nsetting alias: ) print dup ==only
( to be the same as glyph: ) print 1 index //== exec } if
3 index exch 3 index .forceput
% scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname
}executeonly
{pop} ifelse
} executeonly forall
pop pop
} executeonly
{
pop pop pop
} ifelse
} executeonly
{
% scratch(string) RAGL(dict) AGL(dict) CharStrings(dict) cstring gname
pop pop
} ifelse
} executeonly forall
3 1 roll pop pop
} executeonly if
pop
dup /.AGLprocessed~GS //true .forceput
} executeonly if
%% We need to excute the C .buildfont1 in a stopped context so that, if there
%% are errors we can put the stack back sanely and exit. Otherwise callers won't
%% be able to execute this redefinied .buildfont1 in a stopped context and still
%% usefully continue (because the stack will be altered, which it shold not be).
%%
%% Uncovered working on bug #696306 and fixed as part of that bug.
%%
{//.buildfont1} stopped
4 3 roll .setglobal
{//.buildfont1 $error /errorname get signalerror} if
} .bind executeonly def % hide .forceput
% container for CloseSource flag (default //true to prevent buildup of file handles)
/closesourcedict mark
/CloseSource //true
.dicttomark readonly def
/.loadfont1 { % <file> .loadfont1 <errorflag>
{ % We would like to use `false /PFBDecode filter',
% but this occasionally produces a whitespace character as
% the first of an eexec section, so we can't do it.
% Also, since the real input file never reaches EOF if we are using
% a PFBDecode filter (the filter stops just after reading the last
% character), we must explicitly close the real file in this case.
% Since the file might leave garbage on the operand stack,
% we have to create a procedure to close the file reliably.
dup read not { -1 } if
2 copy .unread 16#80 eq {
dup //closesourcedict //true /PFBDecode filter cvx
exch .currentresourcefile eq {
dup /.execasresource .systemvar
} {
{exec}
} ifelse
2 index cvlit
/closefile .systemvar 3 .execn
} {
cvx exec
} ifelse
} stopped
} bind executeonly def
% If the diskfont feature isn't included, define a dummy .loadfontdict.
/.loadfontdict where
{ pop }
{ /.loadfontdict 0 dict readonly def }
ifelse
/.loadfontfile % <file> .loadfontfile -
{ mark exch
% In order to load fonts reliably, we should push systemdict
% here. However, Ed Taft says that Adobe implementations
% push userdict and nothing else!
% We really would just like systemdict on the stack,
% but fonts produced by Fontographer require a writable dictionary.
% However, we can't use any of the other well-known dictionaries
% (such as userdict), since the whole point of pushing systemdict
% is to make sure that nothing important has been redefined.
32 dict begin
% We can't just use `run', because we want to check for .PFB files.
currentpacking
{ //false setpacking //.loadfont1 exec //true setpacking }
{ //.loadfont1 exec }
ifelse
end
{ stop } if
cleartomark
} bind def
% undefine stuff that is only used internally, and is immediately bound
currentdict /closesourcedict .undef
currentdict /.loadfont1 .undef
% Note: this procedure is used for both Type 1 and Type 2 fonts.
/.type1build { % <font> <code|name> <name> .type1build
% <font> <code|name> <name> <charstring>
2 index begin
dup CharStrings exch .knownget not {
2 copy eq { exch pop /.notdef exch } if
QUIET not
{ (Substituting .notdef for ) print
=string cvs print ( in the font ) print
1 index /FontName get = flush
}
{ pop }
ifelse
/.notdef CharStrings /.notdef get
} if
end
} bind def
% Here are the BuildChar and BuildGlyph implementation for Type 1 fonts.
% The names %Type1BuildChar and %Type1BuildGlyph are known to the interpreter.
% The real work is done in an operator:
% <font> <code|name> <name> <charstring> .type1execchar -
(%Type1BuildChar) cvn { % <font> <code> %Type1BuildChar -
1 index /Encoding get 1 index get //.type1build exec .type1execchar
} bind executeonly def
(%Type1BuildGlyph) cvn { % <font> <name> %Type1BuildGlyph -
dup //.type1build exec .type1execchar
} bind executeonly def
1183615869 internaldict begin
% CCRun is an undocumented procedure provided for Type 4 and Type 0 fonts.
% Apparently there are two different argument lists for CCRun.
% Handling the one with the extra Private dictionary requires fabricating
% a Type 1 font on the fly, since we aren't currently prepared to parse the
% dictionary any other way.
/CCRun { % <font> <code|name> <charstring> CCRun -
% <font> <code|name> <charstring> <Private> CCRun -
dup type /dicttype eq {
dup 4 index /Private .knownget { ne } { pop //true } ifelse {
% The Private dictionary was supplied, and is different
% from the Private dictionary of the font. Fabricate a
% Type 1 font with this Private dictionary. Most of the
% font entries are arbitrary or not needed.
.currentglobal //false .setglobal 10 dict exch .setglobal begin
/Private exch def
/FontType 1 def
/FontMatrix 3 index /FontMatrix get def
/Encoding 3 index /Encoding .knownget not { StandardEncoding } if def
/FontBBox 3 index /FontBBox .knownget not { {0 0 0 0} } if def
/PaintType 0 def
/CharStrings 1 dict dup /.notdef () put def
3 -1 roll pop () currentdict end .buildfont1 exch pop 3 1 roll
} {
pop
} ifelse
} if
1 index dup type /integertype eq {
3 index /Encoding get exch get
} if exch .type1execchar
} bind def
% setweightvector is an undocumented procedure that force writes
% weight vector to the font. Do extra checks for safety.
/setweightvector { % <font> <vector> setweightvector -
dup type dup /arraytype ne exch /packedarraytype ne and
2 index type /dicttype ne or {
/setweightvector cvx /typecheck signalerror
} if
1 index /FontType known not {
/setweightvector cvx /invalidfont signalerror
} if
dup gcheck 2 index gcheck not and {
/setweightvector cvx /invalidaccess signalerror
} if
2 copy /WeightVector exch .forceput
.setweightvector
} .bind executeonly odef
end
% Register the font types for definefont.
buildfontdict 1 /.buildfont1 cvx put
buildfontdict 4 /.buildfont4 cvx put
% Add Type 2 support if applicable.
/.buildfont2 where not { (%END2) .skipeof } if
pop
(%Type2BuildChar) cvn { % <font> <code> %Type2BuildChar -
1 index /Encoding get 1 index get //.type1build exec .type2execchar
} bind executeonly def
(%Type2BuildGlyph) cvn { % <font> <name> %Type2BuildGlyph -
dup //.type1build exec .type2execchar
} bind executeonly def
buildfontdict 2 /.buildfont2 cvx put
%END2