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% Copyright (C) 2000 artofcode LLC. All rights reserved.
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%
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% This software is provided AS-IS with no warranty, either express or
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% implied.
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%
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% This software is distributed under license and may not be copied,
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% modified or distributed except as expressly authorized under the terms
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% of the license contained in the file LICENSE in this distribution.
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%
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% For more information about licensing, please refer to
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% http://www.ghostscript.com/licensing/. For information on
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% commercial licensing, go to http://www.artifex.com/licensing/ or
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% contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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% San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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% $Id: gs_cidtt.ps,v 1.9 2005/04/29 16:58:04 ray Exp $
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% Redefine CIDFont category with an emulation with True Type fonts.
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languagelevel 2 .setlanguagelevel
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15 dict begin % a temporary dictionary for local binding.
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%------------------Copy the FontEmulationProcs here : -------------------
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/FontEmulationProcs /ProcSet findresource {
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def
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} forall
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currentdict /super.complete_instance currentdict /complete_instance get put
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%-------Auxiliary procedures for building CIDFontType 2 from TT file -----------
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/GenerateCIDMap % <font> GenerateCIDMap <font>
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{ begin
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% Obtain the maximal CID :
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% This implementation doesn't check whether glyphs really present.
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Decoding /CIDCount get /CIDCount exch def
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% Prepare the CIDMap structure :
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/CIDMap [
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CIDCount 22000 le {
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CIDCount 2 mul string
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} {
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44000 string
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CIDCount 44000 gt {
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% need three strings
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44000 string % 22000 2 mul string
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CIDCount 44000 sub 2 mul string
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} {
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CIDCount 22000 sub 2 mul string
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} ifelse
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} ifelse
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] def
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% Now fill it :
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Decoding TT_cmap SubstNWP GDBytes CIDMap .fillCIDMap
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currentdict end
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} bind def
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/load_sfnts % <FontDict> load_sfnts <FontDict>
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{ % Read the True Type file from the path /Path, and buld /sfnts,
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% skipping glyf and loca.
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dup /Path get % <font> (path)
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QUIET not {
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(Loading a TT font from ) print dup print
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( to emulate a CID font ) print 1 index /CIDFontName get =only ( ... ) print
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} if
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(r) file dup % <font> file file
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3 1 roll % file <font> file
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1 index /SubfontID .knownget not { 0 } if % file <font> file SubfontID
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.load_tt_font_stripped exch copy % file <font>
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QUIET not {
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(Done.) =
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} if
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dup 3 1 roll % <font> file <font>
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exch /File exch put % <font>
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dup dup /CIDSystemInfo get /Ordering get (.) % <font> () ()
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2 index /Decoding get =string cvs % <font> () () ()
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concatstrings concatstrings cvn /Decoding exch put % <font>
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//ChooseDecoding exec % <font>
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//GenerateCIDMap exec % <font>
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} bind def
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%-----------TrueType-specific methods for category redefinition : -----------
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/RefinePath % <FontDict> RefinePath <FontDict>
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{ dup begin
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Path .libfile {
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dup .filename {
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currentdict exch /Path exch put
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} if
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closefile
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} {
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(Can't find the font file ) print =
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/findfont cvx /undefinedfilename signalerror
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} ifelse
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end
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} bind def
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/complete_instance % <font_name> <FontDict> <Options> complete_FAPI_Font <font_name> <FontDict>
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{ 1 index /CIDFontType 2 put % Other types are not emulated yet.
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//super.complete_instance exec
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//RefinePath exec
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//load_sfnts exec
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} bind def
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/IsMyRecord % <raw_record> -> <raw_record> bool
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{ dup type /dicttype eq { dup /FileType .knownget { /TrueType eq } { false } ifelse } { false } ifelse
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} bind def
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/IsActive % <record> IsActive <bool>
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{ pop true
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} bind def
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/CIDFontRecordVirtualMethods //RecordVirtualMethodsStub dup length 3 add dict copy begin
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/GetCSI //TranslateCSI def
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/IsActive //IsActive def
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/MakeInstance % <Name> <record> MakeInstance <Name> <Instance> <size>
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{ //CIDFontOptions //complete_instance exec
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2 copy //GetSize exec
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} bind def
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currentdict end def
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% Redefine the /CIDFont category :
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4 dict begin
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/CategoryName /CIDFont def
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/IsMapFileOptional true def
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/VerifyMap { pop } bind def
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/PreprocessRecord % <map> <Name> <raw_record> PreprocessRecord <map> <Name> <record> <bool>
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{ //IsMyRecord exec dup {
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pop dup /RecordVirtualMethods //CIDFontRecordVirtualMethods put
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true
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} if
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} bind def
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currentdict end
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/MappedCategoryRedefiner /ProcSet findresource /Redefine get exec
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end % the temporary dictionary for local binding.
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.setlanguagelevel
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