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gw-afdko.el
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gw-afdko.el
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;;; gw-afdko.el -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Taichi Kawabata
;; Author: Taichi Kawabata <kawabata.taichi@gmail.com>
;; Keywords: font
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; GlyphWiki to AFDKO generator
;; Usage ::
;; % emacs --script $DIR/gw-afdko.el gw000000
;;;; Code:
(require 'cl-lib)
;; basic definitions
(defvar gw-base nil) ;; "HanaMinA")
(defvar gw-file-base nil) ;; (expand-file-name
;; (concat "~/work/HanaMin/" gw-base "/" gw-base)))
;; input files
(defvar gw-map-file nil) ;; (concat gw-file-base ".map"))
(defvar gw-alias-file nil) ;; (concat gw-file-base ".alias"))
(defvar gw-dump-file nil) ;; (concat gw-file-base ".dump"))
;; output files
(defvar gw-cmap-file nil) ;; (concat gw-file-base ".cmap"))
(defvar gw-html-file nil) ;; (concat gw-file-base ".html"))
(defvar gw-ivs-file nil) ;; (concat gw-file-base ".ivs"))
(defvar gw-cidmap-file nil) ;; (concat gw-file-base ".cidmap"))
(defvar gw-features-file nil) ;; (concat gw-file-base ".features"))
;; tables
(defvar gw-glyphname-ucs-table nil)
(defvar gw-glyphname-feature-table nil)
(defvar gw-ucs-cid-table nil)
(defvar gw-feature-table nil)
(defvar gw-cid-vmtx-table nil)
(defvar gw-regexp-cid-table nil)
;; misc variables
(defvar gw-feature-order '(aalt ccmp hwid liga locl ss00 ss01 ss02 ss03
ss04 ss05 ss06 ss07 ss08 ss09 ss10 ss11 ss12
ss13 ss14 ss15 salt trad vert vrt2))
(defvar gw-lang-regexp
(regexp-opt '("g" "t" "h" "j" "jv" "k" "v" "u"))) ;; "ja" "js" "kp" "us" "i"
(defvar gw-vmtx-advanceY-data ;; VertAdvanceY
'(("^u319.+-vert$" . 500)))
(defvar gw-vkrn-data ;; vkrn
'(("^u3190-vert" "^u319[1-9a-f]\\(-u3191\\)?-vert" -500)
("^u319[0-9a-f]\\(-u3191\\)?-vert" "^\\(u300[12]\\)-vert" -500)))
(defvar gw-lang
'(("g" . "ZHS") ("t" . "ZHT") ("h" . "ZHH")
("j" . "JAN") ("jv" . "JAN")
("k" . "KOR")
("v" . "VIE") ("u" . "ENG")
;; ("ja" . "JAN") ("js" . "JAN") ("kp" . "KOR")
))
(defvar gw-lang-script
'(("dflt" . "DFLT")
("JAN" . "hani") ("ZHS" . "hani") ("ZHT" . "hani") ("ZHH" . "hani")
("KOR" . "hani") ("VIE" . "hani") ("ENG" . "hani")))
(defvar gw-lang-html
'(("dflt" . "DFLT")
("JAN" . "ja") ("ZHS" . "zh") ("ZHT" . "zh_TW") ("ZHH" . "zh_HK")
("KOR" . "ko") ("VIE" . "vn") ("ENG" . "en")))
(defvar gw-cmap-preamble
"%!PS-Adobe-3.0 Resource-CMap
%%DocumentNeededResources: ProcSet (CIDInit)
%%IncludeResource: ProcSet (CIDInit)
%%BeginResource: CMap (GlyphWiki-UTF32-H)
%%Title: (GlyphWiki-UTF32-H Adobe Identity 0)
%%Version: 1.000
%%EndComments
/CIDInit /ProcSet findresource begin
12 dict begin
begincmap
/CIDSystemInfo 3 dict dup begin
/Registry (Adobe) def
/Ordering (Identity) def
/Supplement 0 def
end def
/CMapName /GlyphWiki-UTF32-H def
/CMapVersion 1.000 def
/CMapType 1 def
/XUID [] def
/WMode 0 def
1 begincodespacerange
<00000000> <0010FFFF>
endcodespacerange
1 beginnotdefrange
<00000000> <0000001f> 1
endnotdefrange
0 begincidchar
")
(defvar gw-cmap-postscript "
endcidchar
endcmap
CMapName currentdict /CMap defineresource pop
end
end
%%EndResource
%%EOF
")
(defvar gw-html-preamble
"<head>
<title>CSS3 Font Test.</title>
<meta http-equiv='Content-Type' content='text/html; charset=UTF-8'/>
<style type='text/css'>
@font-face {
font-family: 'Hanazono Mincho';
src: url('./%s.otf') format('opentype');
}
.HanaMin {
font-family: 'Hanazono Mincho';
font-size: 32;
};
</style>
</head>
<body>
<h3>花園明朝・漢字表示テスト</h3>
<table border='1'>
<tr><td>GlyphWiki名</td><td>lang</td><td>font-feature-settings</td><td></td></tr>
")
(defvar gw-html-postscript
"</table>
</body>
")
;; main
(defun gw-setup ()
(interactive)
(gw-setup-variables)
(dolist (file (list gw-map-file gw-alias-file gw-dump-file))
(if (not (file-exists-p file))
(error "file `%s' does not exist!" file)))
(with-temp-buffer
(insert-file-contents gw-map-file)
(while (re-search-forward "^u\\([0-9a-f]+\\)\t\\(.+\\)" nil t)
(let ((ucs-name (concat "u" (match-string 1)))
(ucs (string-to-number (match-string 1) 16))
(glyphname (match-string 2)))
(puthash glyphname ucs gw-glyphname-ucs-table)
(puthash ucs-name ucs gw-glyphname-ucs-table))))
(with-temp-buffer
(insert-file-contents gw-dump-file)
(while (re-search-forward "glyph\\[\\([0-9]+\\)\\] {u\\([^,]+\\)," nil t)
(puthash (string-to-number (match-string 2) 16)
(string-to-number (match-string 1)) gw-ucs-cid-table)))
(with-temp-buffer
(insert-file-contents gw-alias-file)
(while (re-search-forward "^\\(.+\\)\t\\(.+\\)" nil t)
(let* ((alias (match-string 1)) (real (match-string 2))
(ucs (gw-glyphname-to-ucs real)))
(puthash alias ucs gw-glyphname-ucs-table))))
;; output cidmap file
(with-temp-file gw-cidmap-file
(insert-file-contents gw-dump-file)
(delete-non-matching-lines "^glyph\\[\\([0-9]+\\)\\] {\\([^,]+\\),")
(goto-char (point-min)) (insert "mergeFonts\n")
(while (re-search-forward "^glyph\\[\\([0-9]+\\)\\] {\\([^,]+\\),.*$" nil t)
(replace-match (concat (match-string 1) " " (match-string 2)))))
;; output CMAP file ;; 後で、cmap-tools で整えなおす。
;; % cmap-tool.pl < XXX.cmap > XXX.tmp.cmap
;; % mv XXX.tmp.cmap XXX.cmap
(with-temp-file gw-cmap-file
(insert gw-cmap-preamble)
(maphash
(lambda (ucs cid)
(when (< ucs #xf0000)
(insert (format "<%08x> %d\n" ucs cid))))
gw-ucs-cid-table)
(insert gw-cmap-postscript))
;; output IVS file
(with-temp-file gw-ivs-file
(maphash
(lambda (glyphname ucs)
(when (or (string-match "^u\\([0-9a-f]+\\)-u\\(e01[0-9a-f][0-9a-f]\\)$" glyphname)
(string-match "^u\\([0-9a-f]+\\)-u\\(fe0[0-9a-f]\\)$" glyphname))
(insert (format "%s %s; Adobe-Japan1; CID+%d\n"
(upcase (match-string 1 glyphname))
(upcase (match-string 2 glyphname))
(gethash ucs gw-ucs-cid-table)))))
gw-glyphname-ucs-table))
;; process features & vertical parameters
(maphash
(lambda (glyphname ucs)
(gw-process-feature glyphname)
(gw-process-vertical glyphname))
gw-glyphname-ucs-table)
;; output features & vertical parameters
(with-temp-file gw-features-file
(gw-output-feature)
(gw-output-vertical))
;; output html file
(with-temp-file gw-html-file
(insert (format gw-html-preamble gw-base))
(goto-char (point-max))
(maphash
(lambda (glyphname features)
(if (not (string-match "^u[0-9a-f]+$" glyphname))
(insert (gw-font-html-table-row glyphname) "\n")))
gw-glyphname-feature-table)
(insert gw-html-postscript))
)
(defun gw-setup-variables ()
(setq ;; input file
gw-map-file (concat gw-file-base ".map")
gw-alias-file (concat gw-file-base ".alias")
gw-dump-file (concat gw-file-base ".dump")
;; output file
gw-cmap-file (concat gw-file-base ".cmap")
gw-html-file (concat gw-file-base ".html")
gw-ivs-file (concat gw-file-base ".ivs")
gw-cidmap-file (concat gw-file-base ".cidmap")
gw-features-file (concat gw-file-base ".features")
;; related tables
gw-glyphname-ucs-table (make-hash-table :test 'equal)
gw-ucs-cid-table (make-hash-table :test 'equal)
gw-feature-table (make-hash-table :test 'equal)
gw-glyphname-feature-table (make-hash-table :test 'equal)
gw-cid-vmtx-table (make-hash-table :test 'equal)
gw-regexp-cid-table (make-hash-table :test 'equal)))
(defun gw-glyphname-to-ucs (glyphname)
(or (gethash glyphname gw-glyphname-ucs-table)
(if (string-match "^u\\([0-9a-f]+\\)$" glyphname)
(string-to-number (match-string 1 glyphname) 16)
nil)))
(defun gw-glyphname-to-cid (glyphnames)
;; グリフ名と、グリフ名のリストの両方に対応。
(if (listp glyphnames)
(let ((cids (mapcar 'gw-glyphname-to-cid glyphnames)))
(if (memq nil cids) nil cids))
(let* ((ucs (gw-glyphname-to-ucs glyphnames))
(cid (gethash ucs gw-ucs-cid-table)))
cid)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; features
(defun gw-process-feature (glyphname)
(let* ((analysis (gw-analyze-feature glyphname))
(parents (car analysis))
(relation (cdr analysis))
(feature-set (and analysis
(gw-relation-to-feature-set relation)))
(feature (car feature-set))
(lang (elt feature-set 1))
(alt (elt feature-set 2))
(parents-cid (gw-glyphname-to-cid parents))
(cid (gw-glyphname-to-cid glyphname)))
(cond ((null feature) nil)
((equal feature "ivs") nil)
((null analysis) (message "improper glyphname %s" glyphname) nil)
((null feature-set) (message "improper relation %s" relation) nil)
((null parents-cid) (message "improper parents %s" parents) nil)
;;(message "improper parents-cid %s (gn=%s) mapcar=%s"
;; parents glyphname (mapcar 'gw-glyphname-to-cid parents))
;;nil)
((null cid) (message "improper cid %s" glyphname) nil)
(t
(puthash glyphname (list parents feature lang alt)
gw-glyphname-feature-table)
(gw-register-feature feature lang parents-cid alt cid)))))
(defun gw-relation-to-feature-set (relation)
"Return (feature lang alt) from RELATION."
(cond ((null relation) nil)
((equal relation "-vert") '("vert"))
((equal relation "-halfwidth") '("hwid"))
((string-match "^-var-\\([0-9]+\\)$" relation)
(list "salt" nil (string-to-number (match-string 1 relation))))
((string-match "^-itaiji-\\([0-9]+\\)$" relation)
(list "trad" nil (string-to-number (match-string 1 relation))))
((string-match "^-\\([0-9][0-9]\\)$" relation)
(list (concat "ss" (match-string 1 relation))))
((string-match "^-\\(j[av]\\|kp\\|us\\|[g-kmtuv]\\)\\([0-9][0-9]\\)$"
relation)
(list (concat "ss" (match-string 2 relation))
(cdr (assoc (match-string 1 relation) gw-lang))))
((string-match "^-\\(j[av]\\|kp\\|us\\|[g-kmtuv]\\)$" relation)
(list "locl" (cdr (assoc (match-string 1 relation) gw-lang))))
((or (equal "ivs" relation)
(equal "ccmp" relation)
(equal "dlig" relation)
(equal "liga" relation))
(list relation))
(t (error "imporper relation! %s" relation))))
(defvar gw-glyphname-regexp
(concat
"^\\(kumimoji-\\)?"
"\\(u[0-9a-f]+\\|cdp-[0-9a-f]+\\)" ;; base 1
"\\(\\(?:-\\(?:u[0-9a-f]+\\|cdp-[0-9a-f]+\\)\\)+\\)?" ;; base 2
"\\(-\\(jv?\\|[gthktvu]\\)?\\([01][0-9]\\)?\\)?" ;; component modifier
"\\(-\\(?:var\\|itaiji\\)-[0-9]+\\)?" ;; variation
"\\(-vert\\)?" ;; vert
"\\(-halfwidth\\)?$")) ;; half width
(defun gw-analyze-feature (glyphname)
"Analyze Glyphwiki name and convert to OpenType feature.
OpenType feature is returned as (parents relation).
If it is illegal name, return nil."
(if (string-match gw-glyphname-regexp glyphname)
(let ((kumimoji (match-string 1 glyphname))
(base1 (match-string 2 glyphname))
(base2 (match-string 3 glyphname))
(lang-comp (match-string 4 glyphname))
(variation (match-string 7 glyphname))
(vert (match-string 8 glyphname))
(half-width (match-string 9 glyphname))
parents relation)
(cond (vert (setq parents (concat base1 base2 lang-comp variation)
relation vert))
(half-width (setq parents (concat base1 base2 lang-comp variation)
relation half-width))
(variation (setq parents (concat base1 base2 lang-comp)
relation variation))
(lang-comp (setq parents (concat base1 base2)
relation lang-comp))
(base2 (setq parents (gw-split-base-glyphs (concat base1 base2))
relation
(cond ((string-match "^-ue01" base2) "ivs")
((string-match "^-ufe0" base2) "ivs")
((string-match "^u2ff" base1) "ccmp")
(kumimoji "dlig")
(t "liga")))))
(cons parents relation))
(message "Not proper GlyphWiki name! %s" glyphname)
nil))
(defun gw-split-base-glyphs (base-chars)
(let (result)
(with-temp-buffer
(insert base-chars)
(goto-char (point-min))
(while (re-search-forward "\\(u[0-9a-f]+\\|cdp-[0-9a-f]+\\)" nil t)
(setq result (cons (match-string 1) result))))
(nreverse result)))
;; gw-feature-table (key: feature, val: lang-table)
;; lang-table (key: opentype-lang, val: orig-table)
;; orig-table (key: char)
;; - single substitution : char -> char
;; - multiple substitution : not used.
;; - alternate substitution : char -> ((num . char) (num . char) ...)
;; - ligature substitution : (char list) -> char
(defun gw-register-feature (feature lang original alt target)
(let* ((lang (or lang "dflt"))
(lang-table (or (gethash feature gw-feature-table)
(let ((new-lang-table (make-hash-table :test 'equal)))
(puthash feature new-lang-table gw-feature-table)
new-lang-table)))
(orig-table (or (gethash lang lang-table)
(let ((new-orig-table (make-hash-table :test 'equal)))
(puthash lang new-orig-table lang-table)
new-orig-table))))
(if alt (cl-pushnew (cons alt target) (gethash original orig-table))
(if (gethash original orig-table)
(message "Warning! Duplicate feature! %s" (list feature lang original alt target)))
(unless (equal original target)
(puthash original target orig-table)))))
;; cf. ~/bin/FDK/Technical Documentation/topic_feature_file_syntax.html
(defun gw-output-feature ()
"Output `gw-feature-table' to current buffer."
(dolist (lang-script gw-lang-script)
(insert "languagesystem " (cdr lang-script) " " (car lang-script) ";\n"))
(let ((vert-lang-table (gethash "vert" gw-feature-table)))
;;;; vert がなければ空vertを作る。
;;;;(when (null vert-lang-table)
;;;; (gw-register-feature "vert" nil 0 nil 0)
;;;; (setq vert-lang-table (gethash "vert" gw-feature-table)))
;; vert があればvrt2にコピーする。
(when vert-lang-table
(puthash "vrt2" (copy-hash-table vert-lang-table) gw-feature-table)))
;; 各featureを順に出力する。
(dolist (feature gw-feature-order)
(let ((lang-table (gethash (symbol-name feature) gw-feature-table)))
(when lang-table
;; aalt に限って、 useExtension を入れる。
(if (equal feature 'aalt)
(insert "feature aalt useExtension {\n")
(insert (format "feature %s {\n" feature)))
;; aalt に限って、dflt 言語を出力しない。
(let ((dflt-table (gethash "dflt" lang-table)))
(if dflt-table
(if (equal feature 'aalt)
(gw-output-feature-lang nil dflt-table)
(gw-output-feature-lang "dflt" dflt-table))))
(maphash
(lambda (lang orig-table)
(if (not (equal lang "dflt"))
(gw-output-feature-lang lang orig-table)))
lang-table)
(insert "} " (symbol-name feature) ";\n")))))
(defun gw-output-feature-lang (lang orig-table)
(when lang
(insert " script " (cdr (assoc lang gw-lang-script)) ";\n")
(insert " language " lang ";\n"))
(maphash
(lambda (orig target)
(insert
(format
" substitute %s %s;\n"
(if (integerp orig) (format "\\%d" orig) ;; single/alternate sub.
;; ligature substitution
(mapconcat (lambda (x) (format "\\%d" x)) orig " "))
(if (listp target)
;; alternate substitution
(concat
"from ["
(mapconcat
(lambda (x) (format "\\%d" x))
(gw-sort-to-array target)
" ")
"]")
;; single/ligature substitution
(format "by \\%d" target)))))
orig-table))
(defun gw-sort-to-array (list)
;; ((3 . 223) (1 . 114) (2 . 341)...) → [114 341 223 ...]
(let ((len 1) vec)
(dolist (item list)
(if (< len (car item)) (setq len (car item))))
(setq vec (make-vector len 1)) ;; 2018 ここを 0→1にしてみる
(dolist (item list)
(aset vec (1- (car item)) (cdr item)))
vec))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; vertical matrix/kerning
(defun gw-process-vertical (glyphname)
(dolist (item gw-vmtx-advanceY-data)
(let ((regexp (car item)) (val (cdr item)))
(if (string-match regexp glyphname)
(puthash (gw-glyphname-to-cid glyphname) val
gw-cid-vmtx-table))))
(dolist (regexp (apply 'nconc
(mapcar
(lambda (x) (list (elt x 0) (elt x 1)))
gw-vkrn-data)))
(if (string-match regexp glyphname)
(cl-pushnew (gw-glyphname-to-cid glyphname)
(gethash regexp gw-regexp-cid-table)))))
(defun gw-output-vertical ()
;; table vmtx
(goto-char (point-min)) ;; vrt2 の後に来ると `VertAdvanceY redefined' エラーが発生することがあるため。
(when (/= 0 (hash-table-count gw-cid-vmtx-table))
(insert "\ntable vmtx {\n")
(maphash (lambda (cid vertAdvanceY)
(insert (format " VertAdvanceY \\%d %d;\n"
cid vertAdvanceY)))
gw-cid-vmtx-table)
(insert "} vmtx;\n"))
;; feature vkrn
(goto-char (point-max))
(let (positions)
(dolist (item gw-vkrn-data)
(let* ((regexp1 (elt item 0))
(regexp1-item (gethash regexp1 gw-regexp-cid-table))
(regexp2 (elt item 1))
(regexp2-item (gethash regexp2 gw-regexp-cid-table))
(vkrn (elt item 2)))
(dolist (item1 regexp1-item)
(dolist (item2 regexp2-item)
(setq positions (cons (list item1 item2 vkrn) positions))))))
(when positions
(insert "\nfeature vkrn {\n")
(insert " script DFLT;\n")
(insert " language dflt;\n")
(dolist (position positions)
(let* ((first (elt position 0))
(second (elt position 1))
(kerning (elt position 2)))
(insert (format " position \\%d \\%d %d;\n"
first second kerning))))
(insert "} vkrn; \n"))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; HTML output
(defun gw-font-html-table-row (glyphname)
(let* ((result (gw-font-features glyphname))
(chars (elt result 0))
(lang (elt result 1))
(features (elt result 2))
(lang-html (if lang (cdr (assoc lang gw-lang-html))))
(features-html
(if features
(mapconcat
(lambda (x)
(let ((feature (car x))
(alt (cdr x)))
(concat "'" feature "'"
(if alt (format " %d" alt) ""))))
features ","))))
; glyphname lang features
(concat "<tr><td>" glyphname
"</td><td>" (or lang-html "")
"</td><td>" (or features-html "")
"</td><td class='HanaMin'"
(if lang-html (concat " lang='" lang-html "'") "")
(if features-html
(concat " style=\"-webkit-font-feature-settings: "
features-html ";\"") "")
">" chars "</td></tr>")))
(defun gw-font-features (glyphname &optional lang features)
;; glyphname から祖先を探索して (親文字 lang ((feature . alt) (feature . alt)...)) を返す。
;; glyphname の親や祖先がグリフとしてない場合はnilを返す。
(let* ((feature-set (gethash glyphname gw-glyphname-feature-table))
(parent (car feature-set))
(feature (elt feature-set 1))
(lang2 (elt feature-set 2))
(alt (elt feature-set 3)))
(if (and (stringp glyphname)
(or (string-match "^u[0-9a-f]+$" glyphname)
(string-match "^cdp-[0-9a-f]+$" glyphname)))
(list (string (gw-uname-to-ucs glyphname)) lang features)
(if (null feature-set) nil
(if (listp parent)
(list (apply 'string (mapcar 'gw-uname-to-ucs parent))
(or lang lang2)
(cons (cons feature alt) features))
(gw-font-features parent (or lang lang2)
(cons (cons feature alt) features)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; utilities
(defun gw-uname-to-ucs (gw-name)
(cond
((string-match "^u\\([0-9a-f]+\\)$" gw-name)
(string-to-number (match-string 1 gw-name) 16))
((string-match
"^cdp-\\([0-9a-f][0-9a-f]\\)\\([0-9a-f][0-9a-f]\\)$" gw-name)
(let* ((h (string-to-number (match-string 1 gw-name) 16))
(l (string-to-number (match-string 2 gw-name) 16))
(ucs (+ #xeeb8 (* 157 (- h #x81)))))
(setq ucs
(if (< l #x80) (+ ucs l (- #x40)) (+ ucs l (- #x62))))
ucs))
(t (error "not proper char name!"))))
;; --------------------------
;; commad-line main function
(defun gw-afdko-main (argv)
(when (or (null argv) (equal (car argv) "-h"))
(error "Usage: emacs --script gw-afdko.el <basename>"))
(let* ((fname (expand-file-name (car argv))))
(setq gw-file-base (file-name-sans-extension fname)
gw-base (file-name-nondirectory gw-file-base))
(gw-setup)))
;; noninteractive
(when argv (gw-afdko-main argv))
(provide 'gw-afdko)
;;; gw-afdko.el ends here