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diff --git a/Master/xemtex/doc/ghostscript/CJK.htm b/Master/xemtex/doc/ghostscript/CJK.htm deleted file mode 100644 index 9833db35da4..00000000000 --- a/Master/xemtex/doc/ghostscript/CJK.htm +++ /dev/null @@ -1,497 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.or -g/TR/html4/loose.dtd"> -<html> -<head> -<title>Features to support CJK CID-keyed in Ghostscript</title> -<!-- $Id: CJK.htm,v 1.1.4.8.2.5 2003/05/17 14:38:59 giles Exp $ --> -<link rel="stylesheet" type="text/css" href="gs.css" title="Ghostscript Style"> -</head> - -<body> -<!-- [1.0 begin visible header] ============================================ --> - -<!-- [1.1 begin headline] ================================================== --> - -<h1>Features to support CJK CID-keyed font in Ghostscript</h1> - -<!-- [1.1 end headline] ==================================================== --> - -<!-- [1.2 begin table of contents] ========================================= --> - -<h2>Table of contents</h2> - -<blockquote><ul> -<li><a href="#Font_License">Font license</a> -<li><a href="#About_OCF_fonts">About OCF fonts</a> -<li><a href="#About_CID_keyed_fonts">About CID-keyed fonts</a> -<ul> - <li><a href="#About_CIDFontType0">CIDFontType 0</a> - <li><a href="#About_CIDFontType2">CJK TrueType font and CIDFontType 2</a> -</ul> -<li><a href="#About_CIDFnmap">About "CIDFnmap" of Ghostscript</a> -</ul></blockquote> - -<!-- [1.2 end table of contents] =========================================== --> - -<!-- [1.3 begin hint] ====================================================== --> - -<p>Impatient users looking for step-by-step installation notes for -CJK fonts should check gs-cjk documents at -<a href="http://www.gyve.org/gs-cjk/supplement/"> -http://www.gyve.org/gs-cjk/supplement/</a>. - -<!-- [1.3 end hint] ======================================================== --> - -<hr> - -<!-- [1.0 end visible header] ============================================== --> - -<!-- [2.0 begin contents] ================================================== --> - - - -<h2><a name="Font_license"></a>Font license</h2> -<p> -As we note in <a href="Fonts.htm#Add_fonts">"Adding your own fonts"</a>, -you have to read the license of fonts carefully. -The fact you obtain the fonts legally does not mean -always that you can use them with Ghostscript. - -Usually, outline fonts for east Asian scripts are licensed under -more restricted conditions in comparison with ASCII or Latin -fonts, because they must provide a large number of glyphs, -more than 8000 glyphs. - -For example, Adobe licenses the Asian font package for Acrobat -Reader as "solely for Acrobat Reader". So even if your system -have pre-installed Acrobat Reader, you cannot use its Asian fonts -in Ghostscript. - - -<h2><a name="About_OCF_fonts"></a>About OCF fonts</h2> -<p> -Prior to PostScript level 2015, PostScript fonts for multibyte encoded -script (Chinese, Japanese, Korean and Vietnamese etc) were implemented -as a collection of many elemental Type1/Type3 fonts and a selector. -Today these fonts are known as OCF (Original Composite Font). -Ghostscript fully supports OCF. - - -<p> -Adobe has announced that OCF is obsolete. -For details of OCF, refer<br> -<blockquote> -"CJKV Information Processing" (Ken Lunde, O'Reilly 1999) p. 281,<br> -"PostScript Language Reference Manual, third edition" p. 357 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/PLRM.pdf" -class="offsite"> -href="http://partners.adobe.com/asn/developer/pdfs/tn/PLRM.pdf -</a><br> -"PostScript Language Tutorial and Cookbook, Japanese edition" (Adobe Systems, Incorporated, ASCII Corporation 1989) pp. 241-271,<br> -</blockquote> -and Technical Notes for CID-keyed fonts. - - -<h2><a name="About_CID_keyed_fonts"></a>About CID-keyed fonts</h2> -<p> -In PostScript level 2015, Adobe introduced a new font format -"CID-keyed font" for CJK scripts. -For details of the CID-keyed font format, refer<br> -<blockquote> -"PostScript Language Reference Manual, third edition"</a> p. 364 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/PLRM.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/PLRM.pdf</a><br> -Technical Specification #5014 "Adobe CMap and CIDFont Files Specification" -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5014.CMap_CIDFont_Spec.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5014.CMap_CIDFont_Spec.pdf -</a><br> -Technical Specification #5092 "CID-keyed Font Technology Overview" -<a href="http://partners.adobe.com/asn/developer/pdfs/tn/5092.CID_Overview.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5092.CID_Overview.pdf -</a><br> -</blockquote> -Ghostscript provides the basic functionalities of CID-keyed fonts, -but the "rearranged font" feature is not implemented. -The present functionalities are enough for common usage. -Some Japanese PostScript programs expect that any system that -supports CID-keyed fonts will also support "rearranged font". -Such programs do not work well with ghostscript. -Chinese and Korean scripts were never officially supplied by OCF, -so such problems are rare. - -<p> -The CID-keyed font format has a double layered structure. -The lower layer is a CID-keyed font. The public interface of the -CID-keyed font is a 16-bit CID (character identifier) number -which is given to each unique "glyph" for subsets of various scripts. -This is not a "character" code like ASCII/Unicode/etc. -Adobe specifies CIDs for CJK scripts: -Adobe-CNS1 & 2 (Traditional Chinese Hanzi glyphs), -Adobe-GB1 (Simplified Chinese Hanzi glyphs), -Adobe-Japan1 & 2 (Japanese Kana and Kanji glyphs), -Adobe-Korea1 & 2 (Hangul and Hanja glyphs), -Adobe-HongKong1 (Traditional Chinese Hanzi in HongKong), -and Adobe-Vietnam1 (Chu-Han). -The catalogues of glyphs for some CIDs are published by Adobe, -refer Technical Notes service of Adobe:<br> -<blockquote> -<a -href="http://partners.adobe.com/asn/developer/technotes/fonts.html" -class="offsite"> -http://partners.adobe.com/asn/developer/technotes/fonts.html</a> -</blockquote> - - - - -<p> -A CID-keyed font must provide the CID number interface, -but the format of the glyph data may vary:<br> -<ul> -<li>CIDFontType 0 (FontType 9, CID-keyed Type1 font),</li> -<li>CIDFontType 1 (FontType 10, CID-keyed Type3 font),</li> -<li>CIDFontType 2 (FontType 11, CID-keyed Type42 font - TrueType)</li> -</ul> - - - - - - -<p> -The higher layer is a CMap. A CMap provides a map from the multibyte -character code to the CID of corresponding glyph, under a specified -encoding system. PostScript fonts must provide a character -code interface, so a bare CID-keyed font cannot be used as normal -PostScript font without a CMap (e.g. <tt>findfont</tt>, <tt>show</tt>, -etc are not usable, however <tt>glyphshow</tt> operator is usable for -a bare CID-keyed font). -In a CID-keyed font system, the various encoding systems can be supported -by higher layer only. The lower layer is sharable. - -<p> -A CMap file is stored in the /CMap resource category and the -CID-keyed font file is stored in the /CIDFont resource category. -Several operators introduced for CID-keyed fonts assume these locations, -so CMap and CIDFont must not be stored in the /Font resource used -traditionally used by PostScript fonts. - -<p> -For "named resource category", refer -<a href="Use.htm#PS_resources">Finding PostScript Level 2 resources</a> of Ghostscript. - -<p> -Adobe distributes their official CMap (redistributable but no modification -is permitted) on O'Reilly ftp site: -<blockquote> -<a -href="ftp://ftp.oreilly.com/pub/examples/nutshell/cjkv/adobe/" -class="offsite"> -ftp://ftp.oreilly.com/pub/examples/nutshell/cjkv/adobe/</a> -</blockquote> - -To use CID-keyed font, these CMap files must be installed into the CMap -resource directory. - - - -<h3><a name="About_CIDFontType0"></a>CIDFontType 0</h2> -<p> -CIDFontType0 is the most standard CIDFont of PostScript. -It consists of two separated parts: PostScript -program and attached binary data. The glyph data is stored in attached -binary part and is dynamically accessed. In comparison with OCF, -loading a CIDFontType0 is light-weight and comsumes less memory. - -<p> -To make Ghostscript recognize a CIDFontType0 font is easy. -If the CIDFontType0 font file is installed into a directory named "CIDFont" -under GenericResourceDir (see -<a href="Use.htm#PS_resources">Finding PostScript Level 2 resources</a>), -Ghostscript will find it when searching for resources in /CIDFont category. - - - - -<h3><a name="About_CIDFontType2"></a>CJK TrueType font and CIDFontType 2</h2> -<p> -In PostScript 2010, Adobe introduced the Type42 font format -to embed a host-based TrueType font into a PostScript program. -For details of the Type42 font format, refer to -<blockquote> -The Type 42 Font Format Specification. Technical Note #5012 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5012.Type42_Spec.pdf" -class="offsite"> -"http://partners.adobe.com/asn/developer/pdfs/tn/5012.Type42_Spec.pdf -</a> -</blockquote> -CIDFontType2 is a CID extension of the Type42 font format. -If Ghostscript is compiled with -<a href="Make.htm#Features_and_devices">ttfont device</a> -and CMap files are installed, Ghostscript is capable of -handling CIDFontType2 resource embedded in PostScript program -or PDF document. -The Type42 font specification notes that Type42 is an installable font -format, but there's no font distributed in the Type42 format. -This is a big difference from the standard PostScript fonts: Type1, Type3 -and CIDFontType0. - -<p> -Ghostscript now provides "on-the-fly CIDFontType2 converter" -for CJK TrueType, similar to the "on-the-fly Type42 converter" for -Roman TrueType fonts. -This does not mean you can perfectly substitute a required PostScript -fonts by a TrueType font. CJK TrueType font often lack many -non-popular glyphs and a few popular glyphs in Adobe CID. -As a result, a TrueType font -(designed as screen font for window system) cannot be a perfect -replacement for an Adobe PostScript font -Refer <a href="CJKTTCID.htm">CJKTTCID.htm</a> for further particulars. - -<p> -The operator <b><tt>.openttcidfont</tt></b> constructs CIDFontType2 -font dictionary from a given TrueType font. <b><tt>.openttcidfont</tt></b> -requires extra CMaps for PDF available from: - -<blockquote> -<a -href="http://partners.adobe.com/asn/developer/technotes/acrobatpdf.html" -class="offsite"> -http://partners.adobe.com/asn/developer/technotes/acrobatpdf.html -</a> -</blockquote> - -The basic syntax of <b><tt>.openttcidfont</tt></b> is:<br> -<blockquote> -<b><tt><ttf_filename> .openttcidfont</tt></b><br> -</blockquote> - -<p> -When a font file in Microsoft's TrueType Collection format -(a font file with suffix <b><tt>.ttc</tt></b> - includes multiple fonts in single file) is given, -the first font in it is used by default. -To specify a font manually, index of the font should be passed -to <b><tt>.openttcidfont</b></tt>, as:<br> - -<blockquote> -<b><tt><ttc_filename> 2 .openttcidfont</tt></b><br> -</blockquote> - -<p> -Old TrueType fonts were encoded by CJK-system specific encodings -(e.g. Big5, Johab, ShiftJIS, etc) without stating what encoding -is used. -On the other hand, recent TrueType fonts are encoded by Unicode, -but included glyphs are limited to specific language. -By default, <b><tt>.openttcidfont</tt></b> detects encoding of -TrueType font and the suitable Adobe CID automatically, but if -you have trouble, these parameters should be specified manually. -To specify Adobe CID and TrueType encoding explicitly, pass a name -object as: - -<blockquote> -<b><tt><ttf_filename> /Adobe-Japan1-ShiftJIS .openttcidfont</tt></b><br> -</blockquote> - -In such syntax, Adobe-Japan1 specifies Adobe CID to be mapped, -and ShiftJIS specifies the encoding of TrueType fonts. -Currently supported Adobe CIDs are:<br> - -<blockquote> -<b><tt>Adobe-CNS1</tt></b><br> -<b><tt>Adobe-GB1</tt></b><br> -<b><tt>Adobe-Japan1</tt></b><br> -<b><tt>Adobe-Japan2</tt></b><br> -<b><tt>Adobe-Korea1</tt></b><br> -</blockquote> - -and, supported TrueType encodings are:<br> - -<blockquote> -<b><tt>Big5</tt></b><br> -<b><tt>Johab</tt></b><br> -<b><tt>PRC</tt></b><br> -<b><tt>ShiftJIS</tt></b><br> -<b><tt>Unicode</tt></b><br> -<b><tt>Wansung</tt></b><br> -</blockquote> - -In addition about on-the-fly CIDFontType2 conversion of TrueType fonts -(of Big5, PRC, ShiftJIS, Wangsung), <tt>.openttcidfont</tt> requires -more extra CMap files which are available from Asian font packages for -Adobe Acrobat Reader. See <a href="Fonts.htm#CMap_Adobe"> "Adobe -CMaps" subsection</a> of "Fonts and font facilities supplied with -Ghostscript" section. - - - -<h2><a name="About_CIDFnmap"></a>About "CIDFnmap" of Ghostscript</h2> -<p> -By applying various CMap to single CIDFont, various font resources -can be generated. To utilize this feature conveniently, "CIDFnmap" -is introduced. CIDFnmap is similar to Fontmap, but it handles resource -name of CIDFont. - -<p> -To map all /Ryumin-Light-* fonts (/Ryumin-Light-H, /Ryumin-Light-RKSJ-H -etc) derived from /Ryumin-Light CIDFont to those from /WadaMin-Regular, -following single entry works enough:<br> - -<blockquote> -<b><tt>/Ryumin-Light /WadaMin-Regular ;</tt></b><br> -</blockquote> - -Also CIDFnmap can define a resource from a file specified with full path, -it is convenient to import resource from out of Ghostscript directory tree:<br> - -<blockquote> -<b><tt>/WadaMin-Regular (/usr/lib/X11/fonts/CIDFont/WadaMin-Regular) ;</tt></b><br> -</blockquote> - -If the given file is TrueType font, CIDFnmap automatically detect it, and -execute <b><tt>.openttcidfont</tt></b>:<br> - -<blockquote> -<b><tt>/HG-MinchoL (/usr/openwin/lib/locale/ja/X11/fonts/TT/HG-MinchoL.ttf) ;</tt></b><br> -</blockquote> - -Other operands for <b><tt>.openttcidfont</tt></b> (TTC index, CID/encoding -specification) can be specified as:<br> - -<blockquote> -<b><tt> -/HeiseiMin-W3H (/usr/openwin/lib/locale/ja/X11/fonts/TT/HeiseiMin-W3H.ttf) /Adobe-Japan2-Unicode ;<br> -</blockquote> -<blockquote> -/Ryobi-PGothic (/usr/X11R6/lib/X11/fonts/TrueType/tcgothb.ttc) 2 /Adobe-Japan1-Unicode ;<br> -</tt></b> -</blockquote> - - -<p> -For detail, please refer included sample CIDFnmap. For the sites -to get font itself, refer <a href="Fonts.htm">Fonts.htm</a>. - -<dl> -<dt>CIDFnmap.Ore</dt> -<dd> - For free CJK CIDFontType0 fonts manufactured by Adobe. -</dd> - -<dt>CIDFnmap.Bae</dt> -<dd> - For free Hangul TrueType fonts manufactured by Hwan Design Inc.. -</dd> - -<dt>CIDFnmap.ARP</dt> -<dd> - For free Simplified/Traditional Chinese TrueType fonts - manifactured by Arphic Technology. -</dd> - -<dt>CIDFnmap.Koc</dt> -<dd> - Japanese TrueType fonts and free CIDFontType0 version of them, - Kochi Mincho and Gothic. -</dd> - -<dt>CIDFnmap.Sol</dt> -<dd> - For CJK TrueType fonts bundled on Solaris 8 International edition. -</dd> - -<dt>CIDFnmap.Win</dt> -<dd> - For CJK TrueType fonts bundled on Windows. -</dd> - -<dt>CIDFnmap.CJK</dt> -<dd> - Aliasing for printer-based CJK fonts - (/HYGoThic-Medium, /MSung-Light, /Ryumin-Light, /STSong-Light, etc) - and fallback font definitions for missing fonts in PDF. -</dd> - -<dt>CIDFnmap.b5, CIDFnmap.gb, CIDFnmap.ksx, CIDFnmap.sj</dt> -<dd> - Aliasing locale-specific CIDFontNames which are often required - with multi-byte encoding in PS/PDF files. -</dd> - -</dl> - - -<b>NOTE:</b> -In gs7.2x and later release, -"CIDFnmap" feature will be merged into new mapping feature: -"cidfmap" and "CIDFnmap" itself will be removed. - - -<p> -There are CJK samples in <b><tt>examples/cjk</tt></b>: -<b><tt> -all_ac1.ps, all_ag1.ps, all_aj1.ps, all_aj2.ps, all_ak1.ps -</tt></b> -(drawing all glyphs in Adobe CID for Traditional Chinese, -Simplified Chinese, Japanese, Japanese Hojo Kanji, Korean) -<b><tt> -gscjk_ac.ps, gscjk_ag.ps, gscjk_aj.ps, gscjk_ak.ps -</tt></b> -(drawing short texts in horizontal and vertical writing modes) -and multilingual sample <b><tt>iso2022.ps</tt></b> -(this sample loads many fonts for various scripts, quite heavy). -<b><tt>gscjk_*</tt></b> samples are written in Asian character encoding and -iso2022.ps is in ISO-2022, not pure ASCII. -To modify them, an internationalized or binary capable editor -are recommended. - -<p> -For proofing by PostScript printers (for Asian market), -these samples use standard printer-based CJK fonts: -/HYGoThic-Medium, /MSung-Light, /Ryumin-Light, /STSong-Light etc. -To display them correctly by Ghostscript, -printer-based fonts must be aliased to available fonts on Ghostscript. -CIDFnmap.CJK lists known printer-based CJK fonts, -modify it for your own environment. - - - - - -<p> -This section by Suzuki Toshiya and gs-cjk project. -<<a href="mailto:mpsuzuki@gyve.org">mpsuzuki@gyve.org</a>> - -<!-- [2.0 end contents] ==================================================== --> - -<!-- [3.0 begin visible trailer] =========================================== --> -<hr> - -<font size=2> - -<p>Copyright © 2001 gs-cjk project -<<a href="http://www.gyve.org/gs-cjk/">http://www.gyve.org/gs-cjk/</a>>. -<p>Copyright © 2002 artofocode LLC. All rights reserved. - -<p>This file is part of GNU Ghostscript. See the -<a href="COPYING">GNU General Public License</a> (the "License") for -full details of the terms of using, copying, modifying, and redistributing -GNU Ghostscript. - -<p> -<small>Ghostscript version 7.07, 17 May 2003 - -</font> - -<!-- [3.0 end visible trailer] ============================================= --> - -</body> -</html> |