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2cb842ae KH |
1 | ;;; ps-mule.el --- Provide multi-byte character facility to ps-print. |
2 | ||
922be019 | 3 | ;; Copyright (C) 1998,99,00,2001 Free Software Foundation, Inc. |
2cb842ae KH |
4 | |
5 | ;; Author: Vinicius Jose Latorre <vinicius@cpqd.com.br> | |
6 | ;; Author: Kenichi Handa <handa@etl.go.jp> (multi-byte characters) | |
7 | ;; Maintainer: Kenichi Handa <handa@etl.go.jp> (multi-byte characters) | |
8 | ;; Maintainer: Vinicius Jose Latorre <vinicius@cpqd.com.br> | |
c276ee05 | 9 | ;; Keywords: wp, print, PostScript, multibyte, mule |
922be019 | 10 | ;; Time-stamp: <2001/03/16 18:50:59 Handa> |
2cb842ae KH |
11 | |
12 | ;; This file is part of GNU Emacs. | |
13 | ||
14 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
15 | ;; it under the terms of the GNU General Public License as published by | |
16 | ;; the Free Software Foundation; either version 2, or (at your option) | |
17 | ;; any later version. | |
18 | ||
19 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
20 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | ;; GNU General Public License for more details. | |
23 | ||
24 | ;; You should have received a copy of the GNU General Public License | |
25 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
26 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
27 | ;; Boston, MA 02111-1307, USA. | |
28 | ||
29 | ;;; Commentary: | |
30 | ||
c276ee05 | 31 | ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2cb842ae KH |
32 | ;; |
33 | ;; About ps-mule | |
34 | ;; ------------- | |
35 | ;; | |
36 | ;; This package is used for ps-print to print multi-byte buffer. | |
37 | ;; | |
38 | ;; See also ps-print.el. | |
39 | ;; | |
40 | ;; | |
41 | ;; Printing Multi-byte Buffer | |
42 | ;; -------------------------- | |
43 | ;; | |
44 | ;; The variable `ps-multibyte-buffer' specifies the ps-print multi-byte buffer | |
45 | ;; handling. | |
46 | ;; | |
47 | ;; Valid values for `ps-multibyte-buffer' are: | |
48 | ;; | |
c276ee05 KH |
49 | ;; nil This is the value to use the default settings which |
50 | ;; is by default for printing buffer with only ASCII | |
51 | ;; and Latin characters. The default setting can be | |
52 | ;; changed by setting the variable | |
53 | ;; `ps-mule-font-info-database-default' differently. | |
54 | ;; The initial value of this variable is | |
55 | ;; `ps-mule-font-info-database-latin' (see | |
56 | ;; documentation). | |
2cb842ae KH |
57 | ;; |
58 | ;; `non-latin-printer' This is the value to use when you have a japanese | |
59 | ;; or korean PostScript printer and want to print | |
60 | ;; buffer with ASCII, Latin-1, Japanese (JISX0208 and | |
61 | ;; JISX0201-Kana) and Korean characters. At present, | |
62 | ;; it was not tested the Korean characters printing. | |
63 | ;; If you have a korean PostScript printer, please, | |
64 | ;; test it. | |
65 | ;; | |
66 | ;; `bdf-font' This is the value to use when you want to print | |
67 | ;; buffer with BDF fonts. BDF fonts include both latin | |
68 | ;; and non-latin fonts. BDF (Bitmap Distribution | |
69 | ;; Format) is a format used for distributing X's font | |
70 | ;; source file. BDF fonts are included in | |
922be019 | 71 | ;; `intlfonts-1.2' which is a collection of X11 fonts |
2cb842ae KH |
72 | ;; for all characters supported by Emacs. In order to |
73 | ;; use this value, be sure to have installed | |
922be019 | 74 | ;; `intlfonts-1.2' and set the variable |
2cb842ae KH |
75 | ;; `bdf-directory-list' appropriately (see ps-bdf.el |
76 | ;; for documentation of this variable). | |
77 | ;; | |
78 | ;; `bdf-font-except-latin' This is like `bdf-font' except that it is used | |
79 | ;; PostScript default fonts to print ASCII and Latin-1 | |
80 | ;; characters. This is convenient when you want or | |
81 | ;; need to use both latin and non-latin characters on | |
82 | ;; the same buffer. See `ps-font-family', | |
83 | ;; `ps-header-font-family' and `ps-font-info-database'. | |
84 | ;; | |
85 | ;; Any other value is treated as nil. | |
86 | ;; | |
87 | ;; The default is nil. | |
88 | ;; | |
c276ee05 | 89 | ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2cb842ae KH |
90 | |
91 | ;;; Code: | |
92 | ||
922be019 GM |
93 | (eval-and-compile |
94 | (require 'ps-print) | |
95 | ||
96 | ;; to avoid XEmacs compilation gripes | |
97 | (defvar leading-code-private-22 157) | |
98 | (or (fboundp 'charset-bytes) | |
99 | (defun charset-bytes (charset) 1)) ; ascii | |
100 | (or (fboundp 'charset-dimension) | |
101 | (defun charset-dimension (charset) 1)) ; ascii | |
102 | (or (fboundp 'charset-id) | |
103 | (defun charset-id (charset) 0)) ; ascii | |
104 | (or (fboundp 'charset-width) | |
105 | (defun charset-width (charset) 1)) ; ascii | |
106 | (or (fboundp 'find-charset-region) | |
107 | (defun find-charset-region (beg end &optional table) | |
108 | (list 'ascii))) | |
109 | (or (fboundp 'split-char) | |
110 | (defun split-char (char) | |
111 | (list (if (char-valid-p char) | |
112 | 'ascii | |
113 | 'unknow) | |
114 | char))) | |
115 | (or (fboundp 'char-width) | |
116 | (defun char-width (char) 1)) ; ascii | |
117 | (or (fboundp 'chars-in-region) | |
118 | (defun chars-in-region (beg end) | |
119 | (- (max beg end) (min beg end)))) | |
120 | (or (fboundp 'forward-point) | |
121 | (defun forward-point (arg) | |
122 | (save-excursion | |
123 | (let ((count (abs arg)) | |
124 | (step (if (zerop arg) | |
125 | 0 | |
126 | (/ arg arg)))) | |
127 | (while (and (> count 0) | |
128 | (< (point-min) (point)) (< (point) (point-max))) | |
129 | (forward-char step) | |
130 | (setq count (1- count))) | |
131 | (+ (point) (* count step)))))) | |
132 | (or (fboundp 'decompose-composite-char) | |
133 | (defun decompose-composite-char (char &optional type | |
134 | with-composition-rule) | |
135 | nil)) | |
136 | (or (fboundp 'encode-coding-string) | |
137 | (defun encode-coding-string (string coding-system &optional nocopy) | |
138 | (if nocopy | |
139 | string | |
140 | (copy-sequence string)))) | |
141 | (or (fboundp 'coding-system-p) | |
142 | (defun coding-system-p (obj) nil)) | |
143 | (or (fboundp 'ccl-execute-on-string) | |
144 | (defun ccl-execute-on-string (ccl-prog status str | |
145 | &optional contin unibyte-p) | |
146 | str)) | |
147 | (or (fboundp 'define-ccl-program) | |
148 | (defmacro define-ccl-program (name ccl-program &optional doc) | |
149 | `(defconst ,name nil ,doc)))) | |
2cb842ae | 150 | |
c276ee05 | 151 | |
3ea591bd KH |
152 | ;;;###autoload |
153 | (defcustom ps-multibyte-buffer nil | |
154 | "*Specifies the multi-byte buffer handling. | |
155 | ||
156 | Valid values are: | |
157 | ||
158 | nil This is the value to use the default settings which | |
159 | is by default for printing buffer with only ASCII | |
160 | and Latin characters. The default setting can be | |
161 | changed by setting the variable | |
162 | `ps-mule-font-info-database-default' differently. | |
163 | The initial value of this variable is | |
164 | `ps-mule-font-info-database-latin' (see | |
165 | documentation). | |
166 | ||
167 | `non-latin-printer' This is the value to use when you have a Japanese | |
168 | or Korean PostScript printer and want to print | |
169 | buffer with ASCII, Latin-1, Japanese (JISX0208 and | |
170 | JISX0201-Kana) and Korean characters. At present, | |
171 | it was not tested the Korean characters printing. | |
172 | If you have a korean PostScript printer, please, | |
173 | test it. | |
174 | ||
175 | `bdf-font' This is the value to use when you want to print | |
176 | buffer with BDF fonts. BDF fonts include both latin | |
177 | and non-latin fonts. BDF (Bitmap Distribution | |
178 | Format) is a format used for distributing X's font | |
179 | source file. BDF fonts are included in | |
922be019 | 180 | `intlfonts-1.2' which is a collection of X11 fonts |
3ea591bd KH |
181 | for all characters supported by Emacs. In order to |
182 | use this value, be sure to have installed | |
922be019 | 183 | `intlfonts-1.2' and set the variable |
3ea591bd KH |
184 | `bdf-directory-list' appropriately (see ps-bdf.el for |
185 | documentation of this variable). | |
186 | ||
187 | `bdf-font-except-latin' This is like `bdf-font' except that it is used | |
188 | PostScript default fonts to print ASCII and Latin-1 | |
189 | characters. This is convenient when you want or | |
190 | need to use both latin and non-latin characters on | |
191 | the same buffer. See `ps-font-family', | |
192 | `ps-header-font-family' and `ps-font-info-database'. | |
193 | ||
194 | Any other value is treated as nil." | |
9909b395 GM |
195 | :type '(choice (const non-latin-printer) (const bdf-font) |
196 | (const bdf-font-except-latin) (const :tag "nil" nil)) | |
3ea591bd | 197 | :group 'ps-print-font) |
c276ee05 | 198 | |
2cb842ae | 199 | |
2cb842ae | 200 | (eval-and-compile |
922be019 GM |
201 | ;; For Emacs 20.2 and the earlier version. |
202 | (if (and (boundp 'mule-version) | |
203 | (not (string< (symbol-value 'mule-version) "4.0"))) | |
204 | ;; mule package is loaded | |
2cb842ae KH |
205 | (progn |
206 | (defalias 'ps-mule-next-point '1+) | |
207 | (defalias 'ps-mule-chars-in-string 'length) | |
208 | (defalias 'ps-mule-string-char 'aref) | |
209 | (defsubst ps-mule-next-index (str i) (1+ i))) | |
922be019 | 210 | ;; mule package isn't loaded or mule version lesser than 4.0 |
2cb842ae KH |
211 | (defun ps-mule-next-point (arg) |
212 | (save-excursion (goto-char arg) (forward-char 1) (point))) | |
213 | (defun ps-mule-chars-in-string (string) | |
214 | (/ (length string) | |
215 | (charset-bytes (char-charset (string-to-char string))))) | |
216 | (defun ps-mule-string-char (string idx) | |
217 | (string-to-char (substring string idx))) | |
218 | (defun ps-mule-next-index (string i) | |
d0da93b3 | 219 | (+ i (charset-bytes (char-charset (string-to-char string))))) |
922be019 GM |
220 | ) |
221 | ;; For Emacs 20.4 and the earlier version. | |
222 | (if (and (boundp 'mule-version) | |
223 | (string< (symbol-value 'mule-version) "5.0")) | |
224 | ;; mule package is loaded and mule version is lesser than 5.0 | |
225 | (progn | |
226 | (defun encode-composition-rule (rule) | |
227 | (if (= (car rule) 4) (setcar rule 10)) | |
228 | (if (= (cdr rule) 4) (setcdr rule 10)) | |
229 | (+ (* (car rule) 12) (cdr rule))) | |
230 | (defun find-composition (pos &rest ignore) | |
231 | (let ((ch (char-after pos))) | |
232 | (if (eq (char-charset ch) 'composition) | |
233 | (let ((components (decompose-composite-char ch 'vector t))) | |
234 | (list pos (ps-mule-next-point pos) components | |
235 | (integerp (aref components 1)) nil | |
236 | (char-width ch))))))) | |
237 | ;; mule package isn't loaded | |
238 | (or (fboundp 'encode-composition-rule) | |
239 | (defun encode-composition-rule (rule) | |
240 | 130)) | |
241 | (or (fboundp 'find-composition) | |
242 | (defun find-composition (pos &rest ignore) | |
243 | nil)) | |
d0da93b3 KH |
244 | )) |
245 | ||
2cb842ae KH |
246 | (defvar ps-mule-font-info-database |
247 | nil | |
248 | "Alist of charsets with the corresponding font information. | |
249 | Each element has the form: | |
250 | ||
251 | (CHARSET (FONT-TYPE FONT-SRC FONT-NAME ENCODING BYTES) ...) | |
252 | ||
253 | Where | |
254 | ||
255 | CHARSET is a charset (symbol) for this font family, | |
256 | ||
257 | FONT-TYPE is a font type: normal, bold, italic, or bold-italic. | |
258 | ||
259 | FONT-SRC is a font source: builtin, ps-bdf, vflib, or nil. | |
260 | ||
922be019 | 261 | If FONT-SRC is builtin, FONT-NAME is a built-in PostScript font name. |
2cb842ae | 262 | |
5d5bea97 EZ |
263 | If FONT-SRC is bdf, FONT-NAME is a BDF font file name, or a list of |
264 | alternative font names. To use this font, the external library `ps-bdf' | |
265 | is required. | |
2cb842ae KH |
266 | |
267 | If FONT-SRC is vflib, FONT-NAME is the name of a font that VFlib knows. | |
268 | To use this font, the external library `vflib' is required. | |
269 | ||
270 | If FONT-SRC is nil, a proper ASCII font in the variable | |
271 | `ps-font-info-database' is used. This is useful for Latin-1 characters. | |
272 | ||
273 | ENCODING is a coding system to encode a string of characters of CHARSET into a | |
274 | proper string matching an encoding of the specified font. ENCODING may be a | |
275 | function that does this encoding. In this case, the function is called with | |
276 | one argument, the string to encode, and it should return an encoded string. | |
277 | ||
278 | BYTES specifies how many bytes each character has in the encoded byte | |
279 | sequence; it should be 1 or 2. | |
280 | ||
281 | All multi-byte characters are printed by fonts specified in this database | |
282 | regardless of a font family of ASCII characters. The exception is Latin-1 | |
283 | characters which are printed by the same font as ASCII characters, thus obey | |
284 | font family. | |
285 | ||
286 | See also the variable `ps-font-info-database'.") | |
287 | ||
288 | (defconst ps-mule-font-info-database-latin | |
289 | '((latin-iso8859-1 | |
290 | (normal nil nil iso-latin-1))) | |
291 | "Sample setting of `ps-mule-font-info-database' to use latin fonts.") | |
292 | ||
c276ee05 | 293 | (defcustom ps-mule-font-info-database-default |
2a772306 | 294 | ps-mule-font-info-database-latin |
8fdd56af GM |
295 | "*The default setting to use when `ps-multibyte-buffer' is nil." |
296 | :type '(symbol :tag "Multi-Byte Buffer Database Font Default") | |
c276ee05 | 297 | :group 'ps-print-font) |
00cbf820 | 298 | |
2cb842ae KH |
299 | (defconst ps-mule-font-info-database-ps |
300 | '((katakana-jisx0201 | |
301 | (normal builtin "Ryumin-Light.Katakana" ps-mule-encode-7bit 1) | |
302 | (bold builtin "GothicBBB-Medium.Katakana" ps-mule-encode-7bit 1) | |
303 | (bold-italic builtin "GothicBBB-Medium.Katakana" ps-mule-encode-7bit 1)) | |
304 | (latin-jisx0201 | |
f58395f6 | 305 | (normal builtin "Ryumin-Light.Hankaku" ps-mule-encode-7bit 1) |
2cb842ae KH |
306 | (bold builtin "GothicBBB-Medium.Hankaku" ps-mule-encode-7bit 1)) |
307 | (japanese-jisx0208 | |
308 | (normal builtin "Ryumin-Light-H" ps-mule-encode-7bit 2) | |
309 | (bold builtin "GothicBBB-Medium-H" ps-mule-encode-7bit 2)) | |
310 | (korean-ksc5601 | |
f58395f6 KH |
311 | (normal builtin "Munhwa-Regular-KSC-EUC-H" ps-mule-encode-7bit 2) |
312 | (bold builtin "Munhwa-Bold-KSC-EUC-H" ps-mule-encode-7bit 2)) | |
2cb842ae KH |
313 | ) |
314 | "Sample setting of the `ps-mule-font-info-database' to use builtin PS font. | |
315 | ||
316 | Currently, data for Japanese and Korean PostScript printers are listed.") | |
317 | ||
318 | (defconst ps-mule-font-info-database-bdf | |
319 | '((ascii | |
5d5bea97 | 320 | (normal bdf ("lt1-24-etl.bdf" "etl24-latin1.bdf") nil 1) |
fb901f73 KH |
321 | (bold bdf ("lt1-16b-etl.bdf" "etl16b-latin1.bdf") nil 1) |
322 | (italic bdf ("lt1-16i-etl.bdf" "etl16i-latin1.bdf") nil 1) | |
323 | (bold-italic bdf ("lt1-16bi-etl.bdf" "etl16bi-latin1.bdf") nil 1)) | |
2cb842ae | 324 | (latin-iso8859-1 |
fb901f73 | 325 | (normal bdf ("lt1-24-etl.bdf" "etl24-latin1.bdf") iso-latin-1 1) |
5d5bea97 EZ |
326 | (bold bdf ("lt1-16b-etl.bdf" "etl16b-latin1.bdf") iso-latin-1 1) |
327 | (italic bdf ("lt1-16i-etl.bdf" "etl16i-latin1.bdf") iso-latin-1 1) | |
328 | (bold-italic bdf ("lt1-16bi-etl.bdf" "etl16bi-latin1.bdf") iso-latin-1 1)) | |
2cb842ae | 329 | (latin-iso8859-2 |
5d5bea97 | 330 | (normal bdf ("lt2-24-etl.bdf" "etl24-latin2.bdf") iso-latin-2 1)) |
2cb842ae | 331 | (latin-iso8859-3 |
5d5bea97 | 332 | (normal bdf ("lt3-24-etl.bdf" "etl24-latin3.bdf") iso-latin-3 1)) |
2cb842ae | 333 | (latin-iso8859-4 |
5d5bea97 | 334 | (normal bdf ("lt4-24-etl.bdf" "etl24-latin4.bdf") iso-latin-4 1)) |
2cb842ae | 335 | (thai-tis620 |
5d5bea97 | 336 | (normal bdf ("thai24.bdf" "thai-24.bdf") thai-tis620 1)) |
2cb842ae | 337 | (greek-iso8859-7 |
5d5bea97 | 338 | (normal bdf ("grk24-etl.bdf" "etl24-greek.bdf") greek-iso-8bit 1)) |
2cb842ae KH |
339 | ;; (arabic-iso8859-6 nil) ; not yet available |
340 | (hebrew-iso8859-8 | |
5d5bea97 | 341 | (normal bdf ("heb24-etl.bdf" "etl24-hebrew.bdf") hebrew-iso-8bit 1)) |
2cb842ae KH |
342 | (katakana-jisx0201 |
343 | (normal bdf "12x24rk.bdf" ps-mule-encode-8bit 1)) | |
344 | (latin-jisx0201 | |
345 | (normal bdf "12x24rk.bdf" ps-mule-encode-7bit 1)) | |
346 | (cyrillic-iso8859-5 | |
5d5bea97 | 347 | (normal bdf ("cyr24-etl.bdf" "etl24-cyrillic.bdf") cyrillic-iso-8bit 1)) |
2cb842ae | 348 | (latin-iso8859-9 |
5d5bea97 | 349 | (normal bdf ("lt5-24-etl.bdf" "etl24-latin5.bdf") iso-latin-5 1)) |
2cb842ae KH |
350 | (japanese-jisx0208-1978 |
351 | (normal bdf "jiskan24.bdf" ps-mule-encode-7bit 2)) | |
352 | (chinese-gb2312 | |
353 | (normal bdf "gb24st.bdf" ps-mule-encode-7bit 2)) | |
354 | (japanese-jisx0208 | |
355 | (normal bdf "jiskan24.bdf" ps-mule-encode-7bit 2)) | |
356 | (korean-ksc5601 | |
357 | (normal bdf "hanglm24.bdf" ps-mule-encode-7bit 2)) | |
358 | (japanese-jisx0212 | |
5d5bea97 | 359 | (normal bdf ("jksp40.bdf" "jisksp40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 360 | (chinese-cns11643-1 |
5d5bea97 | 361 | (normal bdf ("cns1-40.bdf" "cns-1-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 362 | (chinese-cns11643-2 |
5d5bea97 | 363 | (normal bdf ("cns2-40.bdf" "cns-2-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae KH |
364 | (chinese-big5-1 |
365 | (normal bdf "taipei24.bdf" chinese-big5 2)) | |
366 | (chinese-big5-2 | |
367 | (normal bdf "taipei24.bdf" chinese-big5 2)) | |
368 | (chinese-sisheng | |
2dedd03c | 369 | (normal bdf ("sish24-etl.bdf" "etl24-sisheng.bdf") ps-mule-encode-7bit 1)) |
2cb842ae | 370 | (ipa |
5d5bea97 | 371 | (normal bdf ("ipa24-etl.bdf" "etl24-ipa.bdf") ps-mule-encode-8bit 1)) |
2cb842ae | 372 | (vietnamese-viscii-lower |
5d5bea97 | 373 | (normal bdf ("visc24-etl.bdf" "etl24-viscii.bdf") vietnamese-viscii 1)) |
2cb842ae | 374 | (vietnamese-viscii-upper |
5d5bea97 | 375 | (normal bdf ("visc24-etl.bdf" "etl24-viscii.bdf") vietnamese-viscii 1)) |
2cb842ae | 376 | (arabic-digit |
5d5bea97 | 377 | (normal bdf ("arab24-0-etl.bdf" "etl24-arabic0.bdf") ps-mule-encode-7bit 1)) |
2cb842ae | 378 | (arabic-1-column |
5d5bea97 | 379 | (normal bdf ("arab24-1-etl.bdf" "etl24-arabic1.bdf") ps-mule-encode-7bit 1)) |
2cb842ae KH |
380 | ;; (ascii-right-to-left nil) ; not yet available |
381 | (lao | |
5d5bea97 | 382 | (normal bdf ("lao24-mule.bdf" "mule-lao-24.bdf") lao 1)) |
2cb842ae | 383 | (arabic-2-column |
5d5bea97 | 384 | (normal bdf ("arab24-2-etl.bdf" "etl24-arabic2.bdf") ps-mule-encode-7bit 1)) |
2cb842ae | 385 | (indian-is13194 |
5d5bea97 | 386 | (normal bdf ("isci24-etl.bdf" "mule-iscii-24.bdf") ps-mule-encode-7bit 1)) |
2cb842ae | 387 | (indian-1-column |
5d5bea97 | 388 | (normal bdf ("ind1c24-mule.bdf" "mule-indian-1col-24.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 389 | (tibetan-1-column |
5d5bea97 | 390 | (normal bdf ("tib1c24-mule.bdf" "mule-tibmdx-1col-24.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 391 | (ethiopic |
5d5bea97 | 392 | (normal bdf ("ethio24f-uni.bdf" "ethiomx24f-uni.bdf") ps-mule-encode-ethiopic 2)) |
2cb842ae | 393 | (chinese-cns11643-3 |
5d5bea97 | 394 | (normal bdf ("cns3-40.bdf" "cns-3-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 395 | (chinese-cns11643-4 |
5d5bea97 | 396 | (normal bdf ("cns4-40.bdf" "cns-4-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 397 | (chinese-cns11643-5 |
5d5bea97 | 398 | (normal bdf ("cns5-40.bdf" "cns-5-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 399 | (chinese-cns11643-6 |
5d5bea97 | 400 | (normal bdf ("cns6-40.bdf" "cns-6-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 401 | (chinese-cns11643-7 |
5d5bea97 | 402 | (normal bdf ("cns7-40.bdf" "cns-7-40.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 403 | (indian-2-column |
5d5bea97 | 404 | (normal bdf ("ind24-mule.bdf" "mule-indian-24.bdf") ps-mule-encode-7bit 2)) |
2cb842ae | 405 | (tibetan |
8cf74617 KH |
406 | (normal bdf ("tib24p-mule.bdf" "tib24-mule.bdf" "mule-tibmdx-24.bdf") |
407 | ps-mule-encode-7bit 2))) | |
2cb842ae KH |
408 | "Sample setting of the `ps-mule-font-info-database' to use BDF fonts. |
409 | BDF (Bitmap Distribution Format) is a format used for distributing X's font | |
410 | source file. | |
411 | ||
922be019 | 412 | Current default value list for BDF fonts is included in `intlfonts-1.2' which is |
2cb842ae KH |
413 | a collection of X11 fonts for all characters supported by Emacs. |
414 | ||
415 | Using this list as default value to `ps-mule-font-info-database', all characters | |
416 | including ASCII and Latin-1 are printed by BDF fonts. | |
417 | ||
418 | See also `ps-mule-font-info-database-ps-bdf'.") | |
419 | ||
420 | (defconst ps-mule-font-info-database-ps-bdf | |
421 | (cons (car ps-mule-font-info-database-latin) | |
422 | (cdr (cdr ps-mule-font-info-database-bdf))) | |
423 | "Sample setting of the `ps-mule-font-info-database' to use BDF fonts. | |
424 | ||
922be019 | 425 | Current default value list for BDF fonts is included in `intlfonts-1.2' which is |
2cb842ae KH |
426 | a collection of X11 fonts for all characters supported by Emacs. |
427 | ||
428 | Using this list as default value to `ps-mule-font-info-database', all characters | |
429 | except ASCII and Latin-1 characters are printed by BDF fonts. ASCII and Latin-1 | |
430 | characters are printed by PostScript font specified by `ps-font-family' and | |
431 | `ps-header-font-family'. | |
432 | ||
433 | See also `ps-mule-font-info-database-bdf'.") | |
434 | ||
435 | ;; Two typical encoding functions for PostScript fonts. | |
436 | ||
437 | (defun ps-mule-encode-7bit (string) | |
438 | (ps-mule-encode-bit string 0)) | |
439 | ||
440 | (defun ps-mule-encode-8bit (string) | |
441 | (ps-mule-encode-bit string 128)) | |
442 | ||
443 | (defun ps-mule-encode-bit (string delta) | |
444 | (let* ((dim (charset-dimension (char-charset (string-to-char string)))) | |
445 | (len (* (ps-mule-chars-in-string string) dim)) | |
446 | (str (make-string len 0)) | |
447 | (i 0) | |
448 | (j 0)) | |
449 | (if (= dim 1) | |
450 | (while (< j len) | |
451 | (aset str j | |
452 | (+ (nth 1 (split-char (ps-mule-string-char string i))) delta)) | |
453 | (setq i (ps-mule-next-index string i) | |
454 | j (1+ j))) | |
455 | (while (< j len) | |
456 | (let ((split (split-char (ps-mule-string-char string i)))) | |
457 | (aset str j (+ (nth 1 split) delta)) | |
458 | (aset str (1+ j) (+ (nth 2 split) delta)) | |
459 | (setq i (ps-mule-next-index string i) | |
460 | j (+ j 2))))) | |
461 | str)) | |
462 | ||
463 | ;; Special encoding function for Ethiopic. | |
c276ee05 KH |
464 | (if (boundp 'mule-version) ; only if mule package is loaded |
465 | (define-ccl-program ccl-encode-ethio-unicode | |
466 | `(1 | |
467 | ((read r2) | |
468 | (loop | |
469 | (if (r2 == ,leading-code-private-22) | |
470 | ((read r0) | |
471 | (if (r0 == ,(charset-id 'ethiopic)) | |
472 | ((read r1 r2) | |
473 | (r1 &= 127) (r2 &= 127) | |
474 | (call ccl-encode-ethio-font) | |
475 | (write r1) | |
476 | (write-read-repeat r2)) | |
477 | ((write r2 r0) | |
478 | (repeat)))) | |
479 | (write-read-repeat r2)))))) | |
480 | ;; to avoid compilation gripes | |
481 | (defvar ccl-encode-ethio-unicode nil)) | |
482 | ||
483 | (if (boundp 'mule-version) | |
484 | ;; bound mule-version | |
485 | (defun ps-mule-encode-ethiopic (string) | |
486 | (ccl-execute-on-string (symbol-value 'ccl-encode-ethio-unicode) | |
487 | (make-vector 9 nil) | |
488 | string)) | |
489 | ;; unbound mule-version | |
490 | (defun ps-mule-encode-ethiopic (string) | |
491 | string)) | |
2cb842ae KH |
492 | |
493 | ;; A charset which we are now processing. | |
494 | (defvar ps-mule-current-charset nil) | |
495 | ||
496 | (defun ps-mule-get-font-spec (charset font-type) | |
497 | "Return FONT-SPEC for printing characters CHARSET with FONT-TYPE. | |
498 | FONT-SPEC is a list that has the form: | |
499 | ||
500 | (FONT-SRC FONT-NAME ENCODING BYTES) | |
501 | ||
502 | FONT-SPEC is extracted from `ps-mule-font-info-database'. | |
503 | ||
504 | See the documentation of `ps-mule-font-info-database' for the meaning of each | |
505 | element of the list." | |
506 | (let ((slot (cdr (assq charset ps-mule-font-info-database)))) | |
507 | (and slot | |
508 | (cdr (or (assq font-type slot) | |
509 | (and (eq font-type 'bold-italic) | |
510 | (or (assq 'bold slot) (assq 'italic slot))) | |
511 | (assq 'normal slot)))))) | |
512 | ||
513 | ;; Functions to access each element of FONT-SPEC. | |
514 | (defsubst ps-mule-font-spec-src (font-spec) (car font-spec)) | |
515 | (defsubst ps-mule-font-spec-name (font-spec) (nth 1 font-spec)) | |
516 | (defsubst ps-mule-font-spec-encoding (font-spec) (nth 2 font-spec)) | |
517 | (defsubst ps-mule-font-spec-bytes (font-spec) (nth 3 font-spec)) | |
518 | ||
519 | (defsubst ps-mule-printable-p (charset) | |
520 | "Non-nil if characters in CHARSET is printable." | |
521 | (ps-mule-get-font-spec charset 'normal)) | |
522 | ||
523 | (defconst ps-mule-external-libraries | |
524 | '((builtin nil nil | |
525 | nil nil nil) | |
526 | (bdf ps-bdf nil | |
527 | bdf-generate-prologue bdf-generate-font bdf-generate-glyphs) | |
528 | (pcf nil nil | |
529 | pcf-generate-prologue pcf-generate-font pcf-generate-glyphs) | |
530 | (vflib nil nil | |
531 | vflib-generate-prologue vflib-generate-font vflib-generate-glyphs)) | |
532 | "Alist of information of external libraries to support PostScript printing. | |
533 | Each element has the form: | |
534 | ||
535 | (FONT-SRC FEATURE INITIALIZED-P PROLOGUE-FUNC FONT-FUNC GLYPHS-FUNC) | |
536 | ||
537 | FONT-SRC is the font source: builtin, bdf, pcf, or vflib. | |
538 | ||
539 | FEATURE is the feature that provide a facility to handle FONT-SRC. Except for | |
540 | `builtin' FONT-SRC, this feature is automatically `require'd before handling | |
541 | FONT-SRC. Currently, we only have the feature `ps-bdf'. | |
542 | ||
543 | INITIALIZED-P indicates if this library is initialized or not. | |
544 | ||
545 | PROLOGUE-FUNC is a function to generate PostScript code which define several | |
546 | PostScript procedures that will be called by FONT-FUNC and GLYPHS-FUNC. It is | |
547 | called with no argument, and should return a list of strings. | |
548 | ||
549 | FONT-FUNC is a function to generate PostScript code which define a new font. It | |
550 | is called with one argument FONT-SPEC, and should return a list of strings. | |
551 | ||
552 | GLYPHS-FUNC is a function to generate PostScript code which define glyphs of | |
553 | characters. It is called with three arguments FONT-SPEC, CODE-LIST, and BYTES, | |
554 | and should return a list of strings.") | |
555 | ||
556 | (defun ps-mule-init-external-library (font-spec) | |
557 | "Initialize external library specified by FONT-SPEC for PostScript printing. | |
558 | See the documentation of `ps-mule-get-font-spec' for FONT-SPEC's meaning." | |
559 | (let* ((font-src (ps-mule-font-spec-src font-spec)) | |
560 | (slot (assq font-src ps-mule-external-libraries))) | |
561 | (or (not font-src) | |
562 | (nth 2 slot) | |
563 | (let ((func (nth 3 slot))) | |
564 | (if func | |
565 | (progn | |
d0da93b3 | 566 | (require (nth 1 slot)) |
2cb842ae KH |
567 | (ps-output-prologue (funcall func)))) |
568 | (setcar (nthcdr 2 slot) t))))) | |
569 | ||
570 | ;; Cached glyph information of fonts, alist of: | |
571 | ;; (FONT-NAME ((FONT-TYPE-NUMBER . SCALED-FONT-NAME) ...) | |
572 | ;; cache CODE0 CODE1 ...) | |
573 | (defvar ps-mule-font-cache nil) | |
574 | ||
922be019 GM |
575 | (defun ps-mule-generate-font (font-spec charset &optional header-p) |
576 | "Generate PostScript codes to define a new font in FONT-SPEC for CHARSET. | |
577 | ||
578 | If optional 3rd arg HEADER-P is non-nil, generate codes to define a header | |
579 | font." | |
5d5bea97 EZ |
580 | (let* ((font-name (ps-mule-font-spec-name font-spec)) |
581 | (font-name (if (consp font-name) (car font-name) font-name)) | |
582 | (font-cache (assoc font-name ps-mule-font-cache)) | |
2cb842ae | 583 | (font-src (ps-mule-font-spec-src font-spec)) |
2cb842ae | 584 | (func (nth 4 (assq font-src ps-mule-external-libraries))) |
922be019 GM |
585 | (font-size (if header-p (if (eq ps-current-font 0) |
586 | ps-header-title-font-size-internal | |
587 | ps-header-font-size-internal) | |
588 | ps-font-size-internal)) | |
589 | (current-font (+ ps-current-font (if header-p 10 0))) | |
2cb842ae | 590 | (scaled-font-name |
922be019 GM |
591 | (cond (header-p |
592 | (format "h%d" ps-current-font)) | |
593 | ((eq charset 'ascii) | |
594 | (format "f%d" ps-current-font)) | |
595 | (t | |
596 | (format "f%02x-%d" (charset-id charset) ps-current-font))))) | |
2cb842ae KH |
597 | (and func (not font-cache) |
598 | (ps-output-prologue (funcall func charset font-spec))) | |
599 | (ps-output-prologue | |
600 | (list (format "/%s %f /%s Def%sFontMule\n" | |
922be019 GM |
601 | scaled-font-name font-size font-name |
602 | (if (or header-p | |
603 | (eq ps-mule-current-charset 'ascii)) | |
604 | "Ascii" "")))) | |
2cb842ae KH |
605 | (if font-cache |
606 | (setcar (cdr font-cache) | |
922be019 | 607 | (cons (cons current-font scaled-font-name) |
2cb842ae KH |
608 | (nth 1 font-cache))) |
609 | (setq font-cache (list font-name | |
922be019 | 610 | (list (cons current-font scaled-font-name)) |
2cb842ae KH |
611 | 'cache) |
612 | ps-mule-font-cache (cons font-cache ps-mule-font-cache))) | |
613 | font-cache)) | |
614 | ||
615 | (defun ps-mule-generate-glyphs (font-spec code-list) | |
616 | "Generate PostScript codes which generate glyphs for CODE-LIST of FONT-SPEC." | |
617 | (let* ((font-src (ps-mule-font-spec-src font-spec)) | |
618 | (func (nth 5 (assq font-src ps-mule-external-libraries)))) | |
619 | (and func | |
620 | (ps-output-prologue | |
621 | (funcall func font-spec code-list | |
622 | (ps-mule-font-spec-bytes font-spec)))))) | |
623 | ||
922be019 GM |
624 | (defun ps-mule-prepare-font (font-spec string charset |
625 | &optional no-setfont header-p) | |
2cb842ae KH |
626 | "Generate PostScript codes to print STRING of CHARSET by font FONT-SPEC. |
627 | ||
628 | The generated code is inserted on prologue part except the code that sets the | |
629 | current font (using PostScript procedure `FM'). | |
630 | ||
922be019 GM |
631 | If optional 4th arg NO-SETFONT is non-nil, don't generate the code for setting |
632 | the current font. | |
633 | ||
634 | If optional 5th arg HEADER-P is non-nil, generate a code for setting a header | |
635 | font." | |
5d5bea97 EZ |
636 | (let* ((font-name (ps-mule-font-spec-name font-spec)) |
637 | (font-name (if (consp font-name) (car font-name) font-name)) | |
922be019 | 638 | (current-font (+ ps-current-font (if header-p 10 0))) |
5d5bea97 | 639 | (font-cache (assoc font-name ps-mule-font-cache))) |
922be019 GM |
640 | (or (and font-cache (assq current-font (nth 1 font-cache))) |
641 | (setq font-cache (ps-mule-generate-font font-spec charset header-p))) | |
2cb842ae | 642 | (or no-setfont |
922be019 | 643 | (let ((new-font (cdr (assq current-font (nth 1 font-cache))))) |
2cb842ae KH |
644 | (or (equal new-font ps-last-font) |
645 | (progn | |
646 | (ps-output (format "/%s FM\n" new-font)) | |
647 | (setq ps-last-font new-font))))) | |
648 | (if (nth 5 (assq (ps-mule-font-spec-src font-spec) | |
649 | ps-mule-external-libraries)) | |
650 | ;; We have to generate PostScript codes which define glyphs. | |
651 | (let* ((cached-codes (nthcdr 2 font-cache)) | |
652 | (bytes (ps-mule-font-spec-bytes font-spec)) | |
653 | (len (length string)) | |
654 | (i 0) | |
655 | newcodes code) | |
656 | (while (< i len) | |
657 | (setq code (if (= bytes 1) | |
658 | (aref string i) | |
659 | (+ (* (aref string i) 256) (aref string (1+ i))))) | |
660 | (or (memq code cached-codes) | |
661 | (progn | |
662 | (setq newcodes (cons code newcodes)) | |
663 | (setcdr cached-codes (cons code (cdr cached-codes))))) | |
664 | (setq i (+ i bytes))) | |
665 | (and newcodes | |
666 | (ps-mule-generate-glyphs font-spec newcodes)))))) | |
667 | ||
668 | ;;;###autoload | |
669 | (defun ps-mule-prepare-ascii-font (string) | |
670 | "Setup special ASCII font for STRING. | |
671 | STRING should contain only ASCII characters." | |
672 | (let ((font-spec | |
673 | (ps-mule-get-font-spec | |
674 | 'ascii | |
675 | (car (nth ps-current-font (ps-font-alist 'ps-font-for-text)))))) | |
676 | (and font-spec | |
677 | (ps-mule-prepare-font font-spec string 'ascii)))) | |
678 | ||
679 | ;;;###autoload | |
680 | (defun ps-mule-set-ascii-font () | |
681 | (unless (eq ps-mule-current-charset 'ascii) | |
682 | (ps-set-font ps-current-font) | |
683 | (setq ps-mule-current-charset 'ascii))) | |
684 | ||
685 | ;; List of charsets of multi-byte characters in a text being printed. | |
686 | ;; If the text doesn't contain any multi-byte characters (i.e. only ASCII), | |
687 | ;; the value is nil. | |
688 | (defvar ps-mule-charset-list nil) | |
689 | ||
690 | ;; This is a PostScript code inserted in the header of generated PostScript. | |
691 | (defconst ps-mule-prologue | |
692 | "%%%% Start of Mule Section | |
693 | ||
694 | %% Working dictionary for general use. | |
695 | /MuleDict 10 dict def | |
696 | ||
bc4c1aae KH |
697 | %% Adjust /RelativeCompose properly by checking /BaselineOffset. |
698 | /AdjustRelativeCompose { % fontdict |- fontdict | |
699 | dup length 2 add dict begin | |
700 | { 1 index /FID ne { def } { pop pop } ifelse } forall | |
701 | currentdict /BaselineOffset known { | |
922be019 | 702 | BaselineOffset false eq { /BaselineOffset 0 def } if |
bc4c1aae KH |
703 | } { |
704 | /BaselineOffset 0 def | |
705 | } ifelse | |
706 | currentdict /RelativeCompose known not { | |
b77e0a82 | 707 | /RelativeCompose [ 0 0.1 ] def |
bc4c1aae KH |
708 | } { |
709 | RelativeCompose false ne { | |
3ea591bd KH |
710 | [ BaselineOffset RelativeCompose BaselineOffset add |
711 | [ FontMatrix { FontSize div } forall ] transform ] | |
712 | /RelativeCompose exch def | |
bc4c1aae KH |
713 | } if |
714 | } ifelse | |
715 | currentdict | |
716 | end | |
717 | } def | |
718 | ||
2cb842ae KH |
719 | %% Define already scaled font for non-ASCII character sets. |
720 | /DefFontMule { % fontname size basefont |- -- | |
bc4c1aae | 721 | findfont exch scalefont AdjustRelativeCompose definefont pop |
2cb842ae KH |
722 | } bind def |
723 | ||
724 | %% Define already scaled font for ASCII character sets. | |
725 | /DefAsciiFontMule { % fontname size basefont |- | |
726 | MuleDict begin | |
727 | findfont dup /Encoding get /ISOLatin1Encoding exch def | |
bc4c1aae | 728 | exch scalefont AdjustRelativeCompose reencodeFontISO |
2cb842ae KH |
729 | end |
730 | } def | |
731 | ||
d0da93b3 KH |
732 | /CurrentFont false def |
733 | ||
734 | %% Set the specified font to use. | |
735 | %% For non-ASCII font, don't install Ascent, etc. | |
2cb842ae | 736 | /FM { % fontname |- -- |
d0da93b3 KH |
737 | /font exch def |
738 | font /f0 eq font /f1 eq font /f2 eq font /f3 eq or or or { | |
739 | font F | |
740 | } { | |
741 | font findfont setfont | |
742 | } ifelse | |
2cb842ae KH |
743 | } bind def |
744 | ||
745 | %% Show vacant box for characters which don't have appropriate font. | |
746 | /SB { % count column |- -- | |
747 | SpaceWidth mul /w exch def | |
748 | 1 exch 1 exch { %for | |
749 | pop | |
750 | gsave | |
751 | 0 setlinewidth | |
752 | 0 Descent rmoveto w 0 rlineto | |
753 | 0 LineHeight rlineto w neg 0 rlineto closepath stroke | |
754 | grestore | |
755 | w 0 rmoveto | |
756 | } for | |
757 | } bind def | |
758 | ||
d0da93b3 KH |
759 | %% Flag to tell if we are now handling a composition. This is |
760 | %% defined here because both composition handler and bitmap font | |
2cb842ae | 761 | %% handler require it. |
d0da93b3 | 762 | /Composing false def |
2cb842ae KH |
763 | |
764 | %%%% End of Mule Section | |
765 | ||
766 | " | |
767 | "PostScript code for printing multi-byte characters.") | |
768 | ||
769 | (defvar ps-mule-prologue-generated nil) | |
770 | ||
771 | (defun ps-mule-prologue-generated () | |
772 | (unless ps-mule-prologue-generated | |
773 | (ps-output-prologue ps-mule-prologue) | |
774 | (setq ps-mule-prologue-generated t))) | |
775 | ||
d0da93b3 | 776 | (defun ps-mule-find-wrappoint (from to char-width &optional composition) |
2cb842ae KH |
777 | "Find the longest sequence which is printable in the current line. |
778 | ||
d0da93b3 KH |
779 | The search starts at FROM and goes until TO. |
780 | ||
781 | Optional 4th arg COMPOSITION, if non-nil, is information of | |
782 | composition starting at FROM. | |
783 | ||
922be019 | 784 | If COMPOSITION is nil, it is assumed that all characters between FROM |
d0da93b3 KH |
785 | and TO belong to a charset in `ps-mule-current-charset'. Otherwise, |
786 | it is assumed that all characters between FROM and TO belong to the | |
787 | same composition. | |
2cb842ae KH |
788 | |
789 | CHAR-WIDTH is the average width of ASCII characters in the current font. | |
790 | ||
791 | Returns the value: | |
792 | ||
793 | (ENDPOS . RUN-WIDTH) | |
794 | ||
795 | Where ENDPOS is the end position of the sequence and RUN-WIDTH is the width of | |
796 | the sequence." | |
d0da93b3 | 797 | (if (or composition (eq ps-mule-current-charset 'composition)) |
2cb842ae | 798 | ;; We must draw one char by one. |
d0da93b3 KH |
799 | (let ((run-width (if composition |
800 | (nth 5 composition) | |
801 | (* (char-width (char-after from)) char-width)))) | |
2cb842ae KH |
802 | (if (> run-width ps-width-remaining) |
803 | (cons from ps-width-remaining) | |
d0da93b3 KH |
804 | (cons (if composition |
805 | (nth 1 composition) | |
806 | (ps-mule-next-point from)) | |
807 | run-width))) | |
2cb842ae KH |
808 | ;; We assume that all characters in this range have the same width. |
809 | (setq char-width (* char-width (charset-width ps-mule-current-charset))) | |
810 | (let ((run-width (* (chars-in-region from to) char-width))) | |
811 | (if (> run-width ps-width-remaining) | |
812 | (cons (min to | |
813 | (save-excursion | |
814 | (goto-char from) | |
815 | (forward-point | |
816 | (truncate (/ ps-width-remaining char-width))))) | |
817 | ps-width-remaining) | |
818 | (cons to run-width))))) | |
819 | ||
820 | ;;;###autoload | |
821 | (defun ps-mule-plot-string (from to &optional bg-color) | |
922be019 | 822 | "Generate PostScript code for plotting characters in the region FROM and TO. |
2cb842ae KH |
823 | |
824 | It is assumed that all characters in this region belong to the same charset. | |
825 | ||
826 | Optional argument BG-COLOR specifies background color. | |
827 | ||
828 | Returns the value: | |
829 | ||
830 | (ENDPOS . RUN-WIDTH) | |
831 | ||
832 | Where ENDPOS is the end position of the sequence and RUN-WIDTH is the width of | |
833 | the sequence." | |
834 | (setq ps-mule-current-charset (charset-after from)) | |
835 | (let* ((wrappoint (ps-mule-find-wrappoint | |
836 | from to (ps-avg-char-width 'ps-font-for-text))) | |
837 | (to (car wrappoint)) | |
838 | (font-type (car (nth ps-current-font | |
839 | (ps-font-alist 'ps-font-for-text)))) | |
840 | (font-spec (ps-mule-get-font-spec ps-mule-current-charset font-type)) | |
841 | (string (buffer-substring-no-properties from to))) | |
842 | (cond | |
843 | ((= from to) | |
844 | ;; We can't print any more characters in the current line. | |
845 | nil) | |
846 | ||
847 | (font-spec | |
848 | ;; We surely have a font for printing this character set. | |
849 | (ps-output-string (ps-mule-string-encoding font-spec string)) | |
850 | (ps-output " S\n")) | |
851 | ||
852 | ((eq ps-mule-current-charset 'latin-iso8859-1) | |
853 | ;; Latin-1 can be printed by a normal ASCII font. | |
854 | (ps-output-string (ps-mule-string-ascii string)) | |
855 | (ps-output " S\n")) | |
856 | ||
d0da93b3 | 857 | ;; This case is obsolete for Emacs 21. |
2cb842ae | 858 | ((eq ps-mule-current-charset 'composition) |
d0da93b3 | 859 | (ps-mule-plot-composition from (ps-mule-next-point from) bg-color)) |
2cb842ae KH |
860 | |
861 | (t | |
862 | ;; No way to print this charset. Just show a vacant box of an | |
863 | ;; appropriate width. | |
864 | (ps-output (format "%d %d SB\n" | |
865 | (length string) | |
866 | (if (eq ps-mule-current-charset 'composition) | |
867 | (char-width (char-after from)) | |
868 | (charset-width ps-mule-current-charset)))))) | |
869 | wrappoint)) | |
870 | ||
d0da93b3 KH |
871 | ;;;###autoload |
872 | (defun ps-mule-plot-composition (from to &optional bg-color) | |
922be019 | 873 | "Generate PostScript code for plotting composition in the region FROM and TO. |
d0da93b3 KH |
874 | |
875 | It is assumed that all characters in this region belong to the same | |
876 | composition. | |
877 | ||
878 | Optional argument BG-COLOR specifies background color. | |
879 | ||
880 | Returns the value: | |
881 | ||
882 | (ENDPOS . RUN-WIDTH) | |
883 | ||
884 | Where ENDPOS is the end position of the sequence and RUN-WIDTH is the width of | |
885 | the sequence." | |
886 | (let* ((composition (find-composition from nil nil t)) | |
887 | (wrappoint (ps-mule-find-wrappoint | |
888 | from to (ps-avg-char-width 'ps-font-for-text) | |
889 | composition)) | |
890 | (to (car wrappoint)) | |
891 | (font-type (car (nth ps-current-font | |
892 | (ps-font-alist 'ps-font-for-text))))) | |
893 | (if (< from to) | |
894 | ;; We can print this composition in the current line. | |
895 | (let ((components (nth 2 composition))) | |
896 | (ps-mule-plot-components | |
897 | (ps-mule-prepare-font-for-components components font-type) | |
898 | (if (nth 3 composition) "RLC" "RBC")))) | |
899 | wrappoint)) | |
900 | ||
901 | ;; Prepare font of FONT-TYPE for printing COMPONENTS. By side effect, | |
902 | ;; change character elements in COMPONENTS to the form: | |
903 | ;; ENCODED-STRING or (FONTNAME . ENCODED-STRING) | |
904 | ;; and change rule elements to the encoded value (integer). | |
905 | ;; The latter form is used if we much change font for the character. | |
906 | ||
907 | (defun ps-mule-prepare-font-for-components (components font-type) | |
908 | (let ((len (length components)) | |
909 | (i 0) | |
910 | elt) | |
911 | (while (< i len) | |
912 | (setq elt (aref components i)) | |
913 | (if (consp elt) | |
914 | ;; ELT is a composition rule. | |
915 | (setq elt (encode-composition-rule elt)) | |
916 | ;; ELT is a glyph character. | |
917 | (let* ((charset (char-charset elt)) | |
918 | (font (or (eq charset ps-mule-current-charset) | |
919 | (if (eq charset 'ascii) | |
920 | (format "/f%d" ps-current-font) | |
921 | (format "/f%02x-%d" | |
922 | (charset-id charset) ps-current-font)))) | |
923 | str) | |
924 | (setq ps-mule-current-charset charset | |
925 | str (ps-mule-string-encoding | |
926 | (ps-mule-get-font-spec charset font-type) | |
927 | (char-to-string elt) | |
928 | 'no-setfont)) | |
929 | (if (stringp font) | |
930 | (setq elt (cons font str) ps-last-font font) | |
931 | (setq elt str)))) | |
932 | (aset components i elt) | |
933 | (setq i (1+ i)))) | |
934 | components) | |
935 | ||
936 | (defun ps-mule-plot-components (components tail) | |
937 | (let ((elt (aref components 0)) | |
938 | (len (length components)) | |
939 | (i 1)) | |
940 | (ps-output "[ ") | |
941 | (if (stringp elt) | |
942 | (ps-output-string elt) | |
943 | (ps-output (car elt) " ") | |
944 | (ps-output-string (cdr elt))) | |
945 | (while (< i len) | |
946 | (setq elt (aref components i) i (1+ i)) | |
947 | (ps-output " ") | |
948 | (cond ((stringp elt) | |
949 | (ps-output-string elt)) | |
950 | ((consp elt) | |
951 | (ps-output (car elt) " ") | |
952 | (ps-output-string (cdr elt))) | |
953 | (t ; i.e. (integerp elt) | |
954 | (ps-output (format "%d" elt))))) | |
955 | (ps-output " ] " tail "\n"))) | |
956 | ||
2cb842ae KH |
957 | ;; Composite font support |
958 | ||
d0da93b3 | 959 | (defvar ps-mule-composition-prologue-generated nil) |
2cb842ae | 960 | |
d0da93b3 | 961 | (defconst ps-mule-composition-prologue |
922be019 | 962 | "%%%% Character composition handler |
d0da93b3 | 963 | /RelativeCompositionSkip 0.4 def |
2cb842ae KH |
964 | |
965 | %% Get a bounding box (relative to currentpoint) of STR. | |
966 | /GetPathBox { % str |- -- | |
967 | gsave | |
968 | currentfont /FontType get 3 eq { %ifelse | |
969 | stringwidth pop pop | |
970 | } { | |
bc4c1aae | 971 | currentpoint /y exch def /x exch def |
2cb842ae | 972 | false charpath flattenpath pathbbox |
bc4c1aae KH |
973 | y sub /URY exch def x sub /URX exch def |
974 | y sub /LLY exch def x sub /LLX exch def | |
2cb842ae KH |
975 | } ifelse |
976 | grestore | |
977 | } bind def | |
978 | ||
d0da93b3 KH |
979 | %% Apply effects (underline, strikeout, overline, box) to the |
980 | %% rectangle specified by TOP BOTTOM LEFT RIGHT. | |
981 | /SpecialEffect { % -- |- -- | |
982 | currentpoint dup TOP add /yy exch def BOTTOM add /YY exch def | |
983 | dup LEFT add /xx exch def RIGHT add /XX exch def | |
984 | %% Adjust positions for future shadowing. | |
985 | Effect 8 and 0 ne { | |
986 | /yy yy Yshadow add def | |
987 | /XX XX Xshadow add def | |
988 | } if | |
989 | Effect 1 and 0 ne { UnderlinePosition Hline } if % underline | |
990 | Effect 2 and 0 ne { StrikeoutPosition Hline } if % strikeout | |
991 | Effect 4 and 0 ne { OverlinePosition Hline } if % overline | |
992 | bg { % background | |
993 | true | |
994 | Effect 16 and 0 ne {SpaceBackground doBox} { xx yy XX YY doRect} ifelse | |
995 | } if | |
996 | Effect 16 and 0 ne { false 0 doBox } if % box | |
997 | } def | |
2cb842ae | 998 | |
d0da93b3 KH |
999 | %% Show STR with effects (shadow, outline). |
1000 | /ShowWithEffect { % str |- -- | |
1001 | Effect 8 and 0 ne { dup doShadow } if | |
1002 | Effect 32 and 0 ne { true doOutline } { show } ifelse | |
1003 | } def | |
2cb842ae | 1004 | |
922be019 GM |
1005 | %% Draw COMPONENTS which have the form [ font0? [str0 xoff0 yoff0] ... ]. |
1006 | /ShowComponents { % components |- - | |
d0da93b3 KH |
1007 | LEFT 0 lt { LEFT neg 0 rmoveto } if |
1008 | { | |
1009 | dup type /nametype eq { % font | |
1010 | FM | |
1011 | } { % [ str xoff yoff ] | |
1012 | gsave | |
1013 | aload pop rmoveto ShowWithEffect | |
1014 | grestore | |
1015 | } ifelse | |
1016 | } forall | |
1017 | RIGHT 0 rmoveto | |
1018 | } def | |
1019 | ||
1020 | %% Show relative composition. | |
1021 | /RLC { % [ font0? str0 font1? str1 ... fontN? strN ] |- -- | |
1022 | /components exch def | |
1023 | /Composing true def | |
1024 | /first true def | |
2cb842ae | 1025 | gsave |
d0da93b3 KH |
1026 | [ components { |
1027 | /elt exch def | |
1028 | elt type /nametype eq { % font | |
1029 | elt dup FM | |
1030 | } { first { % first string | |
1031 | /first false def | |
1032 | elt GetPathBox | |
1033 | %% Bounding box of overall glyphs. | |
1034 | /LEFT LLX def | |
1035 | /RIGHT URX def | |
1036 | /TOP URY def | |
1037 | /BOTTOM LLY def | |
1038 | currentfont /RelativeCompose known { | |
1039 | /relative currentfont /RelativeCompose get def | |
1040 | } { | |
1041 | %% Disable relative composition by setting sufficiently low | |
1042 | %% and high positions. | |
1043 | /relative [ -100000 100000 ] def | |
1044 | } ifelse | |
1045 | [ elt 0 0 ] | |
1046 | } { % other strings | |
1047 | elt GetPathBox | |
1048 | [ elt % str | |
1049 | LLX 0 lt { RIGHT } { 0 } ifelse % xoff | |
1050 | LLY relative 1 get ge { % compose on TOP | |
1051 | TOP LLY sub RelativeCompositionSkip add % yoff | |
1052 | /TOP TOP URY LLY sub add RelativeCompositionSkip add def | |
1053 | } { URY relative 0 get le { % compose under BOTTOM | |
1054 | BOTTOM URY sub RelativeCompositionSkip sub % yoff | |
1055 | /BOTTOM BOTTOM URY LLY sub sub | |
1056 | RelativeCompositionSkip sub def | |
1057 | } { | |
1058 | 0 % yoff | |
1059 | URY TOP gt { /TOP URY def } if | |
1060 | LLY BOTTOM lt { /BOTTOM LLY def } if | |
1061 | } ifelse } ifelse | |
1062 | ] | |
1063 | URX RIGHT gt { /RIGHT URX def } if | |
1064 | } ifelse } ifelse | |
1065 | } forall ] /components exch def | |
2cb842ae | 1066 | grestore |
2cb842ae | 1067 | |
d0da93b3 KH |
1068 | %% Reflect special effects. |
1069 | SpecialEffect | |
1070 | ||
1071 | %% Draw components while ignoring effects other than shadow and outline. | |
1072 | components ShowComponents | |
1073 | /Composing false def | |
1074 | ||
1075 | } def | |
1076 | ||
1077 | %% Show rule-base composition. | |
1078 | /RBC { % [ font0? str0 rule1 font1? str1 rule2 ... strN ] |- -- | |
1079 | /components exch def | |
1080 | /Composing true def | |
1081 | /first true def | |
2cb842ae | 1082 | gsave |
d0da93b3 KH |
1083 | [ components { |
1084 | /elt exch def | |
1085 | elt type /nametype eq { % font | |
1086 | elt dup FM | |
1087 | } { elt type /integertype eq { % rule | |
1088 | %% This RULE decoding should be compatible with macro | |
922be019 | 1089 | %% COMPOSITION_DECODE_RULE in emacs/src/composite.h. |
d0da93b3 KH |
1090 | elt 12 idiv dup 3 mod /grefx exch def 3 idiv /grefy exch def |
1091 | elt 12 mod dup 3 mod /nrefx exch def 3 idiv /nrefy exch def | |
1092 | } { first { % first string | |
1093 | /first false def | |
1094 | elt GetPathBox | |
1095 | %% Bounding box of overall glyphs. | |
1096 | /LEFT LLX def | |
1097 | /RIGHT URX def | |
1098 | /TOP URY def | |
1099 | /BOTTOM LLY def | |
1100 | /WIDTH RIGHT LEFT sub def | |
1101 | [ elt 0 0 ] | |
1102 | } { % other strings | |
1103 | elt GetPathBox | |
1104 | /width URX LLX sub def | |
1105 | /height URY LLY sub def | |
1106 | /left LEFT [ 0 WIDTH 2 div WIDTH ] grefx get add | |
1107 | [ 0 width 2 div width ] nrefx get sub def | |
1108 | /bottom [ TOP 0 BOTTOM TOP BOTTOM add 2 div ] grefy get | |
1109 | [ height LLY neg 0 height 2 div ] nrefy get sub def | |
1110 | %% Update bounding box | |
1111 | left LEFT lt { /LEFT left def } if | |
1112 | left width add RIGHT gt { /RIGHT left width add def } if | |
1113 | /WIDTH RIGHT LEFT sub def | |
1114 | bottom BOTTOM lt { /BOTTOM bottom def } if | |
1115 | bottom height add TOP gt { /TOP bottom height add def } if | |
1116 | [ elt left LLX sub bottom LLY sub ] | |
1117 | } ifelse } ifelse } ifelse | |
1118 | } forall ] /components exch def | |
2cb842ae | 1119 | grestore |
d0da93b3 KH |
1120 | |
1121 | %% Reflect special effects. | |
1122 | SpecialEffect | |
1123 | ||
1124 | %% Draw components while ignoring effects other than shadow and outline. | |
1125 | components ShowComponents | |
1126 | ||
1127 | /Composing false def | |
1128 | } def | |
1129 | %%%% End of character composition handler | |
2cb842ae KH |
1130 | |
1131 | " | |
922be019 | 1132 | "PostScript code for printing character composition.") |
2cb842ae KH |
1133 | |
1134 | (defun ps-mule-string-ascii (str) | |
1135 | (ps-set-font ps-current-font) | |
1136 | (string-as-unibyte (encode-coding-string str 'iso-latin-1))) | |
1137 | ||
d0da93b3 | 1138 | ;; Encode STR for a font specified by FONT-SPEC and return the result. |
922be019 GM |
1139 | ;; If necessary, it's generated the Postscript code for the font and glyphs to |
1140 | ;; print STR. If optional 4th arg HEADER-P is non-nil, it is assumed that STR | |
1141 | ;; is for headers. | |
1142 | (defun ps-mule-string-encoding (font-spec str &optional no-setfont header-p) | |
2cb842ae KH |
1143 | (let ((encoding (ps-mule-font-spec-encoding font-spec))) |
1144 | (setq str | |
1145 | (string-as-unibyte | |
1146 | (cond ((coding-system-p encoding) | |
1147 | (encode-coding-string str encoding)) | |
1148 | ((functionp encoding) | |
1149 | (funcall encoding str)) | |
1150 | (encoding | |
1151 | (error "Invalid coding system or function: %s" encoding)) | |
1152 | (t | |
1153 | str)))) | |
1154 | (if (ps-mule-font-spec-src font-spec) | |
922be019 GM |
1155 | (ps-mule-prepare-font font-spec str ps-mule-current-charset |
1156 | (or no-setfont header-p) | |
1157 | header-p) | |
d0da93b3 KH |
1158 | (or no-setfont |
1159 | (ps-set-font ps-current-font))) | |
2cb842ae KH |
1160 | str)) |
1161 | ||
1162 | ;; Bitmap font support | |
1163 | ||
1164 | (defvar ps-mule-bitmap-prologue-generated nil) | |
1165 | ||
1166 | (defconst ps-mule-bitmap-prologue | |
1167 | "%%%% Bitmap font handler | |
1168 | ||
1169 | /str7 7 string def % working area | |
1170 | ||
1171 | %% We grow the dictionary one bunch (1024 entries) by one. | |
1172 | /BitmapDictArray 256 array def | |
1173 | /BitmapDictLength 1024 def | |
1174 | /BitmapDictIndex -1 def | |
1175 | ||
1176 | /NewBitmapDict { % -- |- -- | |
1177 | /BitmapDictIndex BitmapDictIndex 1 add def | |
1178 | BitmapDictArray BitmapDictIndex BitmapDictLength dict put | |
1179 | } bind def | |
1180 | ||
1181 | %% Make at least one dictionary. | |
1182 | NewBitmapDict | |
1183 | ||
1184 | /AddBitmap { % gloval-charname bitmap-data |- -- | |
1185 | BitmapDictArray BitmapDictIndex get | |
1186 | dup length BitmapDictLength ge { | |
1187 | pop | |
1188 | NewBitmapDict | |
1189 | BitmapDictArray BitmapDictIndex get | |
1190 | } if | |
1191 | 3 1 roll put | |
1192 | } bind def | |
1193 | ||
1194 | /GetBitmap { % gloval-charname |- bitmap-data | |
1195 | 0 1 BitmapDictIndex { BitmapDictArray exch get begin } for | |
1196 | load | |
1197 | 0 1 BitmapDictIndex { pop end } for | |
1198 | } bind def | |
1199 | ||
1200 | %% Return a global character name which can be used as a key in the | |
1201 | %% bitmap dictionary. | |
1202 | /GlobalCharName { % fontidx code1 code2 |- gloval-charname | |
1203 | exch 256 mul add exch 65536 mul add 16777216 add 16 str7 cvrs 0 66 put | |
1204 | str7 cvn | |
1205 | } bind def | |
1206 | ||
1207 | %% Character code holder for a 2-byte character. | |
1208 | /FirstCode -1 def | |
1209 | ||
1210 | %% Glyph rendering procedure | |
1211 | /BuildGlyphCommon { % fontdict charname |- -- | |
1212 | 1 index /FontDimension get 1 eq { /FirstCode 0 store } if | |
1213 | NameIndexDict exch get % STACK: fontdict charcode | |
1214 | FirstCode 0 lt { %ifelse | |
1215 | %% This is the first byte of a 2-byte character. Just | |
1216 | %% remember it for the moment. | |
1217 | /FirstCode exch store | |
1218 | pop | |
1219 | 0 0 setcharwidth | |
1220 | } { | |
1221 | 1 index /FontSize get /size exch def | |
1222 | 1 index /FontSpaceWidthRatio get /ratio exch def | |
1223 | 1 index /FontIndex get exch FirstCode exch | |
1224 | GlobalCharName GetBitmap /bmp exch def | |
1225 | %% bmp == [ DWIDTH BBX-WIDTH BBX-HEIGHT BBX-XOFF BBX-YOFF BITMAP ] | |
d0da93b3 | 1226 | Composing { %ifelse |
2cb842ae KH |
1227 | /FontMatrix get [ exch { size div } forall ] /mtrx exch def |
1228 | bmp 3 get bmp 4 get mtrx transform | |
bc4c1aae | 1229 | /LLY exch def /LLX exch def |
2cb842ae | 1230 | bmp 1 get bmp 3 get add bmp 2 get bmp 4 get add mtrx transform |
bc4c1aae | 1231 | /URY exch def /URX exch def |
2cb842ae KH |
1232 | } { |
1233 | pop | |
1234 | } ifelse | |
1235 | /FirstCode -1 store | |
1236 | ||
1237 | bmp 0 get SpaceWidthRatio ratio div mul size div 0 % wx wy | |
1238 | setcharwidth % We can't use setcachedevice here. | |
1239 | ||
1240 | bmp 1 get 0 gt bmp 2 get 0 gt and { | |
1241 | bmp 1 get bmp 2 get % width height | |
1242 | true % polarity | |
1243 | [ size 0 0 size neg bmp 3 get neg bmp 2 get bmp 4 get add ] % matrix | |
1244 | bmp 5 1 getinterval cvx % datasrc | |
1245 | imagemask | |
1246 | } if | |
1247 | } ifelse | |
1248 | } bind def | |
1249 | ||
1250 | /BuildCharCommon { | |
1251 | 1 index /Encoding get exch get | |
1252 | 1 index /BuildGlyph get exec | |
1253 | } bind def | |
1254 | ||
922be019 | 1255 | %% Bitmap font creator |
2cb842ae KH |
1256 | |
1257 | %% Common Encoding shared by all bitmap fonts. | |
1258 | /EncodingCommon 256 array def | |
1259 | %% Mapping table from character name to character code. | |
1260 | /NameIndexDict 256 dict def | |
1261 | 0 1 255 { %for | |
1262 | /idx exch def | |
1263 | /idxname idx 256 add 16 (XXX) cvrs dup 0 67 put cvn def % `C' == 67 | |
1264 | EncodingCommon idx idxname put | |
1265 | NameIndexDict idxname idx put | |
1266 | } for | |
1267 | ||
1268 | /GlobalFontIndex 0 def | |
1269 | ||
1270 | %% fontname dim col fontsize relative-compose baseline-offset fbbx |- -- | |
1271 | /BitmapFont { | |
1272 | 15 dict begin | |
1273 | /FontBBox exch def | |
1274 | /BaselineOffset exch def | |
1275 | /RelativeCompose exch def | |
1276 | /FontSize exch def | |
1277 | /FontBBox [ FontBBox { FontSize div } forall ] def | |
1278 | FontBBox 2 get FontBBox 0 get sub exch div | |
1279 | /FontSpaceWidthRatio exch def | |
1280 | /FontDimension exch def | |
1281 | /FontIndex GlobalFontIndex def | |
1282 | /FontType 3 def | |
1283 | /FontMatrix matrix def | |
1284 | /Encoding EncodingCommon def | |
1285 | /BuildGlyph { BuildGlyphCommon } def | |
1286 | /BuildChar { BuildCharCommon } def | |
1287 | currentdict end | |
1288 | definefont pop | |
1289 | /GlobalFontIndex GlobalFontIndex 1 add def | |
1290 | } bind def | |
1291 | ||
1292 | %% Define a new bitmap font. | |
1293 | %% fontname dim col fontsize relative-compose baseline-offset fbbx |- -- | |
1294 | /NF { | |
1295 | /fbbx exch def | |
1296 | %% Convert BDF's FontBoundingBox to PostScript's FontBBox | |
1297 | [ fbbx 2 get fbbx 3 get | |
1298 | fbbx 2 get fbbx 0 get add fbbx 3 get fbbx 1 get add ] | |
1299 | BitmapFont | |
1300 | } bind def | |
1301 | ||
1302 | %% Define a glyph for the specified font and character. | |
1303 | /NG { % fontname charcode bitmap-data |- -- | |
1304 | /bmp exch def | |
1305 | exch findfont dup /BaselineOffset get bmp 4 get add bmp exch 4 exch put | |
1306 | /FontIndex get exch | |
1307 | dup 256 idiv exch 256 mod GlobalCharName | |
1308 | bmp AddBitmap | |
1309 | } bind def | |
1310 | %%%% End of bitmap font handler | |
1311 | ||
1312 | ") | |
1313 | ||
1314 | ;; External library support. | |
1315 | ||
1316 | ;; The following three functions are to be called from external | |
1317 | ;; libraries which support bitmap fonts (e.g. `bdf') to get | |
1318 | ;; appropriate PostScript code. | |
1319 | ||
1320 | (defun ps-mule-generate-bitmap-prologue () | |
1321 | (unless ps-mule-bitmap-prologue-generated | |
1322 | (setq ps-mule-bitmap-prologue-generated t) | |
1323 | (list ps-mule-bitmap-prologue))) | |
1324 | ||
1325 | (defun ps-mule-generate-bitmap-font (&rest args) | |
1326 | (list (apply 'format "/%s %d %d %f %S %d %S NF\n" args))) | |
1327 | ||
1328 | (defun ps-mule-generate-bitmap-glyph (font-name code dwidth bbx bitmap) | |
1329 | (format "/%s %d [ %d %d %d %d %d <%s> ] NG\n" | |
1330 | font-name code | |
1331 | dwidth (aref bbx 0) (aref bbx 1) (aref bbx 2) (aref bbx 3) | |
1332 | bitmap)) | |
1333 | ||
1334 | ;; Mule specific initializers. | |
1335 | ||
1336 | ;;;###autoload | |
1337 | (defun ps-mule-initialize () | |
1338 | "Initialize global data for printing multi-byte characters." | |
1339 | (setq ps-mule-font-cache nil | |
1340 | ps-mule-prologue-generated nil | |
d0da93b3 | 1341 | ps-mule-composition-prologue-generated nil |
2cb842ae KH |
1342 | ps-mule-bitmap-prologue-generated nil) |
1343 | (mapcar `(lambda (x) (setcar (nthcdr 2 x) nil)) | |
1344 | ps-mule-external-libraries)) | |
1345 | ||
922be019 GM |
1346 | (defvar ps-mule-header-charsets nil) |
1347 | ||
1348 | ;;;###autoload | |
1349 | (defun ps-mule-encode-header-string (string fonttag) | |
1350 | "Generate PostScript code for ploting STRING by font FONTTAG. | |
1351 | FONTTAG should be a string \"/h0\" or \"/h1\"." | |
1352 | (setq string (if (multibyte-string-p string) | |
1353 | (copy-sequence string) | |
1354 | (string-make-multibyte string))) | |
1355 | (when ps-mule-header-charsets | |
1356 | (if (eq (car ps-mule-header-charsets) 'latin-iso8859-1) | |
1357 | ;; Latin1 characters can be printed by the standard PostScript | |
1358 | ;; font. Converts the other non-ASCII characters to `?'. | |
1359 | (let ((len (length string))) | |
1360 | (dotimes (i len) | |
1361 | (or (memq (char-charset (aref string i)) '(ascii latin-iso8859-1)) | |
1362 | (aset string i ??))) | |
1363 | (setq string (encode-coding-string string 'iso-latin-1))) | |
1364 | ;; We must prepare a font for the first non-ASCII and non-Latin1 | |
1365 | ;; character in STRING. | |
1366 | (let* ((ps-current-font (if (string= fonttag "/h0") 0 1)) | |
1367 | (ps-mule-current-charset (car ps-mule-header-charsets)) | |
1368 | (font-type (car (nth ps-current-font | |
1369 | (ps-font-alist 'ps-font-for-header)))) | |
1370 | (font-spec (ps-mule-get-font-spec ps-mule-current-charset | |
1371 | font-type))) | |
1372 | (if (or (not font-spec) | |
1373 | (/= (charset-dimension ps-mule-current-charset) 1)) | |
1374 | ;; We don't have a proper font, or we can't print them on | |
1375 | ;; header because this kind of charset is not ASCII | |
1376 | ;; compatible. | |
1377 | (let ((len (length string))) | |
1378 | (dotimes (i len) | |
1379 | (or (memq (char-charset (aref string i)) | |
1380 | '(ascii latin-iso8859-1)) | |
1381 | (aset string i ??))) | |
1382 | (setq string (encode-coding-string string 'iso-latin-1))) | |
1383 | (let ((charsets (list 'ascii (car ps-mule-header-charsets))) | |
1384 | (len (length string))) | |
1385 | (dotimes (i len) | |
1386 | (or (memq (char-charset (aref string i)) charsets) | |
1387 | (aset string i ??)))) | |
1388 | (setq string (ps-mule-string-encoding font-spec string nil t)))))) | |
1389 | string) | |
1390 | ||
1391 | ;;;###autoload | |
1392 | (defun ps-mule-header-string-charsets () | |
1393 | "Return a list of character sets that appears in header strings." | |
1394 | (let ((str "") | |
1395 | len charset charset-list) | |
1396 | (when ps-print-header | |
1397 | (dolist (tail (list ps-left-header ps-right-header)) | |
1398 | ;; Simulate what is done by ps-generate-header-line to get a | |
1399 | ;; string to plot. | |
1400 | (let ((count 0)) | |
1401 | (dolist (elt tail) | |
1402 | (if (< count ps-header-lines) | |
1403 | (setq str (concat str (cond ((stringp elt) elt) | |
1404 | ((and (symbolp elt) (fboundp elt)) | |
1405 | (funcall elt)) | |
1406 | ((and (symbolp elt) (boundp elt)) | |
1407 | (symbol-value elt)) | |
1408 | (t ""))) | |
1409 | count (1+ count))))))) | |
1410 | (setq len (length str)) | |
1411 | (dotimes (i len) | |
1412 | (setq charset (char-charset (aref str i))) | |
1413 | (or (eq charset 'ascii) | |
1414 | (memq charset charset-list) | |
1415 | (setq charset-list (cons charset charset-list)))) | |
1416 | charset-list)) | |
1417 | ||
2cb842ae KH |
1418 | ;;;###autoload |
1419 | (defun ps-mule-begin-job (from to) | |
1420 | "Start printing job for multi-byte chars between FROM and TO. | |
1421 | This checks if all multi-byte characters in the region are printable or not." | |
1422 | (setq ps-mule-charset-list nil | |
922be019 | 1423 | ps-mule-header-charsets nil |
2cb842ae KH |
1424 | ps-mule-font-info-database |
1425 | (cond ((eq ps-multibyte-buffer 'non-latin-printer) | |
1426 | ps-mule-font-info-database-ps) | |
1427 | ((eq ps-multibyte-buffer 'bdf-font) | |
1428 | ps-mule-font-info-database-bdf) | |
1429 | ((eq ps-multibyte-buffer 'bdf-font-except-latin) | |
1430 | ps-mule-font-info-database-ps-bdf) | |
1431 | (t | |
d7d83b6e | 1432 | ps-mule-font-info-database-default))) |
2cb842ae KH |
1433 | (and (boundp 'enable-multibyte-characters) |
1434 | enable-multibyte-characters | |
1435 | ;; Initialize `ps-mule-charset-list'. If some characters aren't | |
1436 | ;; printable, warn it. | |
1437 | (let ((charsets (find-charset-region from to))) | |
f37bad85 KH |
1438 | (setq charsets (delq 'ascii (delq 'unknown (delq nil charsets))) |
1439 | ps-mule-charset-list charsets) | |
2cb842ae KH |
1440 | (save-excursion |
1441 | (goto-char from) | |
1442 | (and (search-forward "\200" to t) | |
1443 | (setq ps-mule-charset-list | |
1444 | (cons 'composition ps-mule-charset-list)))) | |
922be019 GM |
1445 | ;; We also have to check non-ASCII charsets in the header strings. |
1446 | (let ((tail (ps-mule-header-string-charsets))) | |
1447 | (while tail | |
1448 | (unless (eq (car tail) 'ascii) | |
1449 | (setq ps-mule-header-charsets | |
1450 | (cons (car tail) ps-mule-header-charsets)) | |
1451 | (or (memq (car tail) charsets) | |
1452 | (setq charsets (cons (car tail) charsets)))) | |
1453 | (setq tail (cdr tail)))) | |
2cb842ae KH |
1454 | (while charsets |
1455 | (setq charsets | |
1456 | (cond | |
1457 | ((or (eq (car charsets) 'composition) | |
1458 | (ps-mule-printable-p (car charsets))) | |
1459 | (cdr charsets)) | |
1460 | ((y-or-n-p | |
1461 | "Font for some characters not found, continue anyway? ") | |
1462 | nil) | |
1463 | (t | |
1464 | (error "Printing cancelled"))))))) | |
1465 | ||
1466 | (setq ps-mule-current-charset 'ascii) | |
1467 | ||
d0da93b3 KH |
1468 | (if (and (nth 2 (find-composition from to)) |
1469 | (not ps-mule-composition-prologue-generated)) | |
1470 | (progn | |
1471 | (ps-mule-prologue-generated) | |
1472 | (ps-output-prologue ps-mule-composition-prologue) | |
1473 | (setq ps-mule-composition-prologue-generated t))) | |
1474 | ||
922be019 GM |
1475 | (if (or ps-mule-charset-list ps-mule-header-charsets) |
1476 | (let ((the-list (append ps-mule-header-charsets ps-mule-charset-list)) | |
2cb842ae KH |
1477 | font-spec elt) |
1478 | (ps-mule-prologue-generated) | |
1479 | ;; If external functions are necessary, generate prologues for them. | |
1480 | (while the-list | |
1481 | (setq elt (car the-list) | |
1482 | the-list (cdr the-list)) | |
1483 | (cond ((and (eq elt 'composition) | |
d0da93b3 KH |
1484 | (not ps-mule-composition-prologue-generated)) |
1485 | (ps-output-prologue ps-mule-composition-prologue) | |
1486 | (setq ps-mule-composition-prologue-generated t)) | |
2cb842ae KH |
1487 | ((setq font-spec (ps-mule-get-font-spec elt 'normal)) |
1488 | (ps-mule-init-external-library font-spec)))))) | |
1489 | ||
1490 | ;; If ASCII font is also specified in ps-mule-font-info-database, | |
922be019 | 1491 | ;; use it instead of what specified in ps-font-info-database. |
2cb842ae KH |
1492 | (let ((font-spec (ps-mule-get-font-spec 'ascii 'normal))) |
1493 | (if font-spec | |
1494 | (progn | |
1495 | (ps-mule-prologue-generated) | |
1496 | (ps-mule-init-external-library font-spec) | |
1497 | (let ((font (ps-font-alist 'ps-font-for-text)) | |
1498 | (ps-current-font 0)) | |
1499 | (while font | |
1500 | ;; Be sure to download a glyph for SPACE in advance. | |
1501 | (ps-mule-prepare-font (ps-mule-get-font-spec 'ascii (car font)) | |
1502 | " " 'ascii 'no-setfont) | |
1503 | (setq font (cdr font) | |
1504 | ps-current-font (1+ ps-current-font))))))) | |
1505 | ||
922be019 GM |
1506 | ;; If the header contains non-ASCII and non-Latin1 characters, prepare a font |
1507 | ;; and glyphs for the first occurance of such characters. | |
1508 | (if (and ps-mule-header-charsets | |
1509 | (not (eq (car ps-mule-header-charsets) 'latin-iso8859-1))) | |
1510 | (let ((font-spec (ps-mule-get-font-spec (car ps-mule-header-charsets) | |
1511 | 'normal))) | |
1512 | (if font-spec | |
1513 | ;; Be sure to download glyphs for "0123456789/" in advance for page | |
1514 | ;; numbering. | |
1515 | (let ((ps-current-font 0)) | |
1516 | (ps-mule-prepare-font font-spec "0123456789/" 'ascii t t))))) | |
1517 | ||
2cb842ae KH |
1518 | (if ps-mule-charset-list |
1519 | ;; We must change this regexp for multi-byte buffer. | |
1520 | (setq ps-control-or-escape-regexp | |
1521 | (cond ((eq ps-print-control-characters '8-bit) | |
1522 | "[^\040-\176]") | |
1523 | ((eq ps-print-control-characters 'control-8-bit) | |
1524 | (string-as-multibyte "[^\040-\176\240-\377]")) | |
1525 | ((eq ps-print-control-characters 'control) | |
1526 | (string-as-multibyte "[^\040-\176\200-\377]")) | |
16c1fb84 | 1527 | (t (string-as-multibyte "[^\000-\011\013\015-\377]")))))) |
2cb842ae KH |
1528 | |
1529 | ;;;###autoload | |
1530 | (defun ps-mule-begin-page () | |
1531 | (setq ps-mule-current-charset 'ascii)) | |
1532 | ||
1533 | ||
1534 | (provide 'ps-mule) | |
1535 | ||
1536 | ;;; ps-mule.el ends here |