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diff --git a/Master/xemtex/doc/ghostscript/CJKTTCID.htm b/Master/xemtex/doc/ghostscript/CJKTTCID.htm deleted file mode 100644 index c777bc5b557..00000000000 --- a/Master/xemtex/doc/ghostscript/CJKTTCID.htm +++ /dev/null @@ -1,409 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> -<html> -<head> -<title>Adobe CIDs and glyphs in CJK TrueType font</title> -<!-- $Id: CJKTTCID.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>Adobe CIDs and glyphs in CJK TrueType font</h1> - -<!-- [1.1 end headline] ==================================================== --> - -<!-- [1.2 begin table of contents] ========================================= --> - -<h2>Table of contents</h2> - -<blockquote><ul> -<li><a href="#Overview">Overview</a></li> -<li><a href="#Notes">Adobe CIDs that current Ghostscript can fills by CJK TTF</a></li> -<li><a href="#References">References</a></li> -</ul></blockquote> - -<!-- [1.2 end table of contents] =========================================== --> - -<!-- [1.3 begin hint] ====================================================== --> - -This article is written by Taiji Yamada -<<a href="mailto:taiji@aihara.co.jp">taiji@aihara.co.jp</a>>. -He takes full responsibility for the wording and content of this article. - -<p>For other information, see the <a href="Readme.htm">Ghostscript -overview</a>. - -<!-- [1.3 end hint] ======================================================== --> - -<hr> - -<!-- [1.0 end visible header] ============================================== --> - -<!-- [2.0 begin contents] ================================================== --> - - -<h2><a name="Overview"></a>Overview</h2> - -<p> -This note provides information on utilization of CJK (Chinese, -Japanese and Korean) TrueType fonts (TTF) as CIDFoneType 2 (Type11) -CID-keyed fonts from the viewpoint of its validity and limitation. -In order to compose CIDFontType 2 font from CJK TTF on the fly, -Ghostscript uses not only standard CMaps (mapping from character -encoding to CID, we call them ToCID CMaps in following) but also -ToUnicode CMaps (mapping from CID to Unicode) and -ToCode CMaps (mapping from CID to non-Unicode character encodings) -which are freely distributed with Acrobat Reader by Adobe Systems -Incorporated. - -For detail of ToUnicode CMaps, refer -<blockquote> -Adobe Systems Incorporated, -"PDF Reference, Third Edition, Version 1.4", -p. 368 -<a -href="http://partners.adobe.com/asn/developer/acrosdk/docs/filefmtspecs/PDFReference.zip" -class="offsite"> -http://partners.adobe.com/asn/developer/acrosdk/docs/filefmtspecs/PDFReference.zip -</a><br> -Adobe Systems Incorporated, -"ToUnicode Mapping File Tutorial", -Technical Note #5411</a><br> -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5411.ToUnicode.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5411.ToUnicode.pdf</a><br> -</blockquote> -ToUnicode and ToCode CMaps are designed for text-searching in PDF, -and you should not expect Adobe ToUnicode CMap as a one-to-one map -between Adobe glyph collection and glyph/character in Unicode. - -The current algorithm of Ghostscript to map CIDs to TTF glyph ID -completely depends on Adobe CMaps, TrueType cmap and GSUB tables. - -<p> -The current revision of on-the-fly CIDFontType 2 technology -supports the following kinds Registry-Ordering (RO) of CID-keyed -fonts: - -<tt><pre> - [RO] - Adobe-CNS1 - Adobe-GB1 - Adobe-Japan1 - Adobe-Japan2 - Adobe-Korea1 -</pre></tt><br> - -and doesn't support the following kinds of CID-keyed fonts:<br> - -<tt><pre> - [RO] - Adobe-CNS2 - Adobe-HongKong1 - Adobe-Korea2 - Adobe-Vietnam1 -</pre></tt><br> - -The current revision can handle the following kinds (Encoding in cmap -table) of TrueType fonts as CID-keyed fonts:<br> - -<tt><pre> - [Encoding] [RO] - Unicode Adobe-* - ShiftJIS Adobe-Japan1 - PRC Adobe-GB1 - Big5 Adobe-CNS1 - Wansung Adobe-Korea1 - Johab Adobe-Korea1 -</pre></tt><br> - -and doesn't support UCS-4 Encoding TrueType fonts for the present. In -the case of Unicode Encoding, RO can be detected by reading ``Code -Page Character Range'' of OS/2 table of TTF as follows:<br> - -<tt><pre> - [Encoding] [Code Page] [RO] - Unicode Japanese Adobe-Japan1 - Simplified Chinese Adobe-GB1 - Korean Wansung Adobe-Korea1 - Traditional Chinese Adobe-CNS1 - Korean Johab Adobe-Korea1 -</pre></tt><br> - -For each combination of RO and TTF Encoding, following Adobe CMaps are -applied:<br> - -<tt><pre> - [RO-Encoding] [Supplement limit] - [used CMap] - [Comment] - - Adobe-CNS1-Big5 0 - Adobe-CNS1-ETen-B5 - ToCode CMap - ETen-B5-V - ToCID CMap - ETen-B5-H - ToCID CMap - - Adobe-CNS1-Unicode 3 - Adobe-CNS1-UCS2 - ToUnicode CMap - UniCNS-UCS2-V - ToCID CMap - UniCNS-UCS2-H - ToCID CMap - - Adobe-GB1-PRC 2 - Adobe-GB1-GBK-EUC - ToCode CMap - GBK-EUC-V - ToCID CMap - GBK-EUC-H - ToCID CMap - - Adobe-GB1-Unicode 4 - Adobe-GB1-UCS2 - ToUnicode CMap - UniGB-UCS2-V - ToCID CMap - UniGB-UCS2-H - ToCID CMap - - Adobe-Japan1-ShiftJIS 2 - Adobe-Japan1-90ms-RKSJ - ToCode CMap - 90ms-RKSJ-V - ToCID CMap - 90ms-RKSJ-H - ToCID CMap - - Adobe-Japan1-Unicode 4 - Adobe-Japan1-UCS2 - ToUnicode CMap - UniJIS-UCS2-V - ToCID CMap - UniJIS-UCS2-H - ToCID CMap - - Adobe-Japan2-Unicode 0 - UniHojo-UCS2-V - ToCID CMap - UniHojo-UCS2-H - ToCID CMap - - Adobe-Korea1-Johab 1 - KSC-Johab-V - ToCID CMap - KSC-Johab-H - ToCID CMap - - Adobe-Korea1-Unicode 2 - Adobe-Korea1-UCS2 - ToUnicode CMap - UniKS-UCS2-V - ToCID CMap - UniKS-UCS2-H - ToCID CMap - - Adobe-Korea1-Wansung 1 - Adobe-Korea1-KSCms-UHC - ToCode CMap - KSCms-UHC-V - ToCID CMap - KSCms-UHC-H - ToCID CMap -</pre></tt><br> - -where Supplement values are denoted as the limit determined by the -maximum CID in used CMaps. - -<p> -The Glyph Substitution table (GSUB) of TTF, Single Substitution Format -2 is read for vertically-used glyphs in CIDs. The current revision -doesn't handle any other formats of GSUB, so handling ligatures and -variants as CID-keyed fonts might be tasks to be solved in future. - -<p> -In recent CID-keyed fonts, pre-rotated Latin glyphs are defined, but -the current revision merely maps to normal Latin glyphs. -Ghostscript cannot handle them at present. - -<h2><a name="Notes"></a> -Adobe CIDs that current Ghostscript can fills by CJK TTF</h2> -<p> -Following tables and comments provide the details of validity and -limitation for the individual kinds of CID-keyed fonts composed from -generally-circulated and Unicode TrueType fonts at the current -revision. Naturally, these results of glyphs lacking are affected by -TrueType fonts you use.<br> - -<tt><pre> -Adobe-CNS1 CID-keyed font composed from Traditional Chinese Unicode TTF ------------------------------------------------------------------------ -[ROS] [CID range] [Comment] -Adobe-CNS1-0 0- 505 96,97,124-127,228,260 are lacking - 506- 561 no problem - 562- 594 all glyphs are lacking - 595-13645 no problem - 13646-13748 13646,13647 are lacking - 13749-13998 13996-13998 are lacking - 13999-14098 some glyphs are lacking -Adobe-CNS1-1 14099-17407 lots of glyphs are lacking (*1) -Adobe-CNS1-2 17408-17600 17503,17504 are lacking (*2) -Adobe-CNS1-3 17601-17605 17603 is lacking - 17606-18845 lots of glyphs are lacking (*3) -Adobe-CNS1-4 18846-18961 all glyphs assignment is impossible (*4) -(*1) HK GCCS -(*2) not pre-rotated -(*3) HK SCS -(*4) HK SCS (unused in UniCNS-UCS-2 CMap, though used in UniCNS-UTF8, -UniCNS-UTF16, UniCNS-UTF32, also ETHK-B5, needless to say HKscs-B5) - - -Adobe-GB1 CID-keyed font composed from Simplified Chinese Unicode TTF ---------------------------------------------------------------------- -[ROS] [CID range] [Comment] -Adobe-GB1-0 0- 939 99,695,698,737,935,938 are lacking - 940- 7702 no problem - 7703- 7716 7705,7708 are incorrect -Adobe-GB1-1 7717- 9896 no problem -Adobe-GB1-2 9897-22126 no problem -Adobe-GB1-3 22127-22352 22347,22350,22352 are lacking (*1) -Adobe-GB1-4 22353-22427 all glyphs are not available (*2) - 22428-29058 all glyphs are not available (*3) - 29059-29063 all glyphs are not available (*4) -(*1) not pre-rotated -(*2) additional Hiragana and Katakana, extended Bopomofo glyphs -(*3) the Unified Han Ideographs Extension A -(*4) pre-rotated glyphs - - -Adobe-Japan1 CID-keyed font composed from Japanese Unicode TTF --------------------------------------------------------------- -[ROS] [CID range] [Comment] -Adobe-Japan1-0 0- 1124 lots of glyphs are lacking or incorrect: - 96-98,127,128,130-133,135-137,226,326, - 390,396,422,424,502,506-509,512,513,515, - 606,607,632 - 1125- 7477 no problem - 7478- 7632 7478 is lacking and 7608,7609 are incorrect - 7633- 8004 lots of glyphs are lacking or incorrect (*4) - 8005- 8283 lots of glyphs are lacking or incorrect: - 8008,8053,8059-8061,8091,8102-8111,8166-8181, - 8189,8190,8227-8229,8260 -Adobe-Japan1-1 8284- 8358 lots of glyphs are lacking or incorrect: - 8295-8297,8300-8302, - 8306,8307,8321,8322,8325,8326 -Adobe-Japan1-2 8359- 8717 no problem - 8718- 8719 8718 is lacking and 8719 is incorrect -Adobe-Japan1-3 8720- 9353 some glyphs are lacking or incorrect (*1) -Adobe-Japan1-4 9354- 9737 some glyphs are lacking or incorrect (*2) - 9738-13319 lots of glyphs are lacking or incorrect (*3) - 13320-15443 all glyphs are variants or lacking (*4) -(*1) not pre-rotated -(*2) not italic form -(*3) many ligature, pre-rotated, pre-rotated and italic form glyphs -(*4) lots of variants are assigned substitutes - - -Adobe-Japan2 CID-keyed font composed from Japanese Unicode TTF --------------------------------------------------------------- -[ROS] [CID range] [Comment] -Adobe-Japan2-0 0- 6067 no problem - - -Adobe-Korea1 CID-keyed font composed from Korean Unicode TTF ------------------------------------------------------------- -[ROS] [CID range] [Comment] -Adobe-Korea1-0 0- 357 some glyphs are lacking or incorrect: - 61,97,100,104,111,227 - 358- 3435 no problem - 3436- 8055 no problem - 8056- 8190 lots of glyphs are lacking or incorrect: - 8059,8061,8075,8083-8085,8089,8091,8093,8190 - 8191- 9332 no problem -Adobe-Korea1-1 9333-18154 perhaps no problem, but cannot check (*) -Adobe-Korea1-2 18155-18351 some glyphs are lacking -(*) Technical Note on Adobe-Korea1-1,2 has not been published yet[6]. -</pre></tt> - -<p> -The current mapping algorithm based on ToCID CMaps and ToUnicode -CMaps still has problems. The gs-cjk project[7] is considering how -to settle the matters. - - -<h2><a name="References"></a>References</h2> -<ol> -<li>Microsoft Corporation, "OpenType specification" -<a -href="http://www.asia.microsoft.com/typography/otspec/" -class="offsite"> -http://www.asia.microsoft.com/typography/otspec/</a> -</li> - -<li> -Adobe Systems Incorporated, -"Adobe-CNS1-4 Character Collection for CID-Keyed Fonts", -Technical Note #5080 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5080.Adobe-CNS1-4.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5080.Adobe-CNS1-4.pdf</a> -</li> - -<li> -Adobe Systems Incorporated, -"Adobe-GB1-4 Character Collection for CID-Keyed Fonts", -Technical Note #5079 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5079.Adobe-GB1-4.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5079.Adobe-GB1-4.pdf</a> -</li> - -<li> -Adobe Systems Incorporated, -"Adobe-Japan1-4 Character Collection for CID-Keyed Fonts", -Technical Note #5078 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5078.Adobe-Japan1-4.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5078.Adobe-Japan1-4.pdf -</a> -</li> - -<li> -Adobe Systems Incorporated, -"Adobe-Japan2-0 Character Collection for CID-Keyed Fonts", -Technical Note #5097 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5097.Adobe-Japan2-0.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5097.Adobe-Japan2-0.pdf -</a> -</li> - -<li> -Adobe Systems Incorporated, -"Adobe-Korea1-0 Character Collection for CID-Keyed Fonts" -Technical Note #5093 -<a -href="http://partners.adobe.com/asn/developer/pdfs/tn/5093.Adobe-Korea1-0.pdf" -class="offsite"> -http://partners.adobe.com/asn/developer/pdfs/tn/5093.Adobe-Korea1-0.pdf -</a> -</li> - -<li> -Taiji Yamada, "Tips on PostScript" -<a href="http://www.aihara.co.jp/~taiji/tops/" class="offsite"> -http://www.aihara.co.jp/~taiji/tops/</a></li> - -<li>"gs-cjk project" -<a href="http://www.gyve.org/gs-cjk/" class="offsite"> -http://www.gyve.org/gs-cjk/</a></li> -</ol> - - -<!-- [2.0 end contents] ==================================================== --> - -<!-- [3.0 begin visible trailer] =========================================== --> -<hr> - -<font size=2> - -<p>Copyright © 2001 Taiji Yamada <<a href="mailto:taiji@aihara.co.jp">taiji@aihara.co.jp</a>> and -<a href="http://www.gyve.org/gs-cjk/" class="offsite">gs-cjk project</a>. -<p>Copyright © 2002 artofcode 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> |