| 1 | ;;; ps-mule.el --- provide multi-byte character facility to ps-print |
| 2 | |
| 3 | ;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
| 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
| 5 | |
| 6 | ;; Author: Vinicius Jose Latorre <viniciusjl@ig.com.br> |
| 7 | ;; Kenichi Handa <handa@m17n.org> (multi-byte characters) |
| 8 | ;; Maintainer: Kenichi Handa <handa@m17n.org> (multi-byte characters) |
| 9 | ;; Vinicius Jose Latorre <viniciusjl@ig.com.br> |
| 10 | ;; Keywords: wp, print, PostScript, multibyte, mule |
| 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 3 of the License, or |
| 17 | ;; (at your option) 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. If not, see <http://www.gnu.org/licenses/>. |
| 26 | |
| 27 | ;;; Commentary: |
| 28 | |
| 29 | ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 30 | ;; |
| 31 | ;; About ps-mule |
| 32 | ;; ------------- |
| 33 | ;; |
| 34 | ;; This package is used for ps-print to print multi-byte buffer. |
| 35 | ;; |
| 36 | ;; See also ps-print.el. |
| 37 | ;; |
| 38 | ;; |
| 39 | ;; Printing Multi-byte Buffer |
| 40 | ;; -------------------------- |
| 41 | ;; |
| 42 | ;; The variable `ps-multibyte-buffer' specifies the ps-print multi-byte buffer |
| 43 | ;; handling. |
| 44 | ;; |
| 45 | ;; Valid values for `ps-multibyte-buffer' are: |
| 46 | ;; |
| 47 | ;; nil This is the value to use the default settings; |
| 48 | ;; by default, this only works to print buffers with |
| 49 | ;; only ASCII and Latin characters. But this default |
| 50 | ;; setting can be changed by setting the variable |
| 51 | ;; `ps-mule-font-info-database-default' differently. |
| 52 | ;; The initial value of this variable is |
| 53 | ;; `ps-mule-font-info-database-latin' (see |
| 54 | ;; documentation). |
| 55 | ;; |
| 56 | ;; `non-latin-printer' This is the value to use when you have a japanese |
| 57 | ;; or korean PostScript printer and want to print |
| 58 | ;; buffer with ASCII, Latin-1, Japanese (JISX0208 and |
| 59 | ;; JISX0201-Kana) and Korean characters. At present, |
| 60 | ;; it was not tested with the Korean characters |
| 61 | ;; printing. If you have a korean PostScript printer, |
| 62 | ;; please, test it. |
| 63 | ;; |
| 64 | ;; `bdf-font' This is the value to use when you want to print |
| 65 | ;; buffer with BDF fonts. BDF fonts include both latin |
| 66 | ;; and non-latin fonts. BDF (Bitmap Distribution |
| 67 | ;; Format) is a format used for distributing X's font |
| 68 | ;; source file. BDF fonts are included in |
| 69 | ;; `intlfonts-1.2' which is a collection of X11 fonts |
| 70 | ;; for all characters supported by Emacs. In order to |
| 71 | ;; use this value, be sure to have installed |
| 72 | ;; `intlfonts-1.2' and set the variable |
| 73 | ;; `bdf-directory-list' appropriately (see ps-bdf.el |
| 74 | ;; for documentation of this variable). |
| 75 | ;; |
| 76 | ;; `bdf-font-except-latin' This is like `bdf-font' except that it uses |
| 77 | ;; PostScript default fonts to print ASCII and Latin-1 |
| 78 | ;; characters. This is convenient when you want or |
| 79 | ;; need to use both latin and non-latin characters on |
| 80 | ;; the same buffer. See `ps-font-family', |
| 81 | ;; `ps-header-font-family' and `ps-font-info-database'. |
| 82 | ;; |
| 83 | ;; Any other value is treated as nil. |
| 84 | ;; |
| 85 | ;; The default is nil. |
| 86 | ;; |
| 87 | ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| 88 | |
| 89 | ;;; Code: |
| 90 | |
| 91 | (eval-and-compile |
| 92 | (require 'ps-print)) |
| 93 | |
| 94 | |
| 95 | ;;;###autoload |
| 96 | (defcustom ps-multibyte-buffer nil |
| 97 | "*Specifies the multi-byte buffer handling. |
| 98 | |
| 99 | Valid values are: |
| 100 | |
| 101 | nil This is the value to use the default settings; |
| 102 | by default, this only works to print buffers with |
| 103 | only ASCII and Latin characters. But this default |
| 104 | setting can be changed by setting the variable |
| 105 | `ps-mule-font-info-database-default' differently. |
| 106 | The initial value of this variable is |
| 107 | `ps-mule-font-info-database-latin' (see |
| 108 | documentation). |
| 109 | |
| 110 | `non-latin-printer' This is the value to use when you have a Japanese |
| 111 | or Korean PostScript printer and want to print |
| 112 | buffer with ASCII, Latin-1, Japanese (JISX0208 and |
| 113 | JISX0201-Kana) and Korean characters. At present, |
| 114 | it was not tested with the Korean characters |
| 115 | printing. If you have a korean PostScript printer, |
| 116 | please, test it. |
| 117 | |
| 118 | `bdf-font' This is the value to use when you want to print |
| 119 | buffer with BDF fonts. BDF fonts include both latin |
| 120 | and non-latin fonts. BDF (Bitmap Distribution |
| 121 | Format) is a format used for distributing X's font |
| 122 | source file. BDF fonts are included in |
| 123 | `intlfonts-1.2' which is a collection of X11 fonts |
| 124 | for all characters supported by Emacs. In order to |
| 125 | use this value, be sure to have installed |
| 126 | `intlfonts-1.2' and set the variable |
| 127 | `bdf-directory-list' appropriately (see ps-bdf.el for |
| 128 | documentation of this variable). |
| 129 | |
| 130 | `bdf-font-except-latin' This is like `bdf-font' except that it uses |
| 131 | PostScript default fonts to print ASCII and Latin-1 |
| 132 | characters. This is convenient when you want or |
| 133 | need to use both latin and non-latin characters on |
| 134 | the same buffer. See `ps-font-family', |
| 135 | `ps-header-font-family' and `ps-font-info-database'. |
| 136 | |
| 137 | Any other value is treated as nil." |
| 138 | :type '(choice (const non-latin-printer) (const bdf-font) |
| 139 | (const bdf-font-except-latin) (const :tag "nil" nil)) |
| 140 | :group 'ps-print-font) |
| 141 | |
| 142 | (defvar ps-mule-font-info-database |
| 143 | nil |
| 144 | "Alist of charsets with the corresponding font information. |
| 145 | Each element has the form: |
| 146 | |
| 147 | (CHARSET (FONT-TYPE FONT-SRC FONT-NAME ENCODING BYTES) ...) |
| 148 | |
| 149 | Where |
| 150 | |
| 151 | CHARSET is a charset (symbol) for this font family, |
| 152 | |
| 153 | FONT-TYPE is a font type: normal, bold, italic, or bold-italic. |
| 154 | |
| 155 | FONT-SRC is a font source: builtin, bdf, vflib, or nil. |
| 156 | |
| 157 | If FONT-SRC is builtin, FONT-NAME is a built-in PostScript font name. |
| 158 | |
| 159 | If FONT-SRC is bdf, FONT-NAME is a BDF font file name, or a list of |
| 160 | alternative font names. To use this font, the external library `ps-bdf' |
| 161 | is required. |
| 162 | |
| 163 | If FONT-SRC is vflib, FONT-NAME is the name of a font that VFlib knows. |
| 164 | To use this font, the external library `vflib' is required. |
| 165 | |
| 166 | If FONT-SRC is nil, a proper ASCII font in the variable |
| 167 | `ps-font-info-database' is used. This is useful for Latin-1 characters. |
| 168 | |
| 169 | ENCODING is a coding system to encode a string of characters of CHARSET into a |
| 170 | proper string matching an encoding of the specified font. ENCODING may be a |
| 171 | function that does this encoding. In this case, the function is called with |
| 172 | one argument, the string to encode, and it should return an encoded string. |
| 173 | |
| 174 | BYTES specifies how many bytes each character has in the encoded byte |
| 175 | sequence; it should be 1 or 2. |
| 176 | |
| 177 | All multi-byte characters are printed by fonts specified in this database |
| 178 | regardless of a font family of ASCII characters. The exception is Latin-1 |
| 179 | characters which are printed by the same font as ASCII characters, thus obey |
| 180 | font family. |
| 181 | |
| 182 | See also the variable `ps-font-info-database'.") |
| 183 | |
| 184 | (defconst ps-mule-font-info-database-latin |
| 185 | '((iso-8859-1 |
| 186 | (normal nil nil))) |
| 187 | "Sample setting of `ps-mule-font-info-database' to use latin fonts.") |
| 188 | |
| 189 | (defcustom ps-mule-font-info-database-default |
| 190 | ps-mule-font-info-database-latin |
| 191 | "*The default setting to use when `ps-multibyte-buffer' is nil." |
| 192 | :type '(symbol :tag "Multi-Byte Buffer Database Font Default") |
| 193 | :group 'ps-print-font) |
| 194 | |
| 195 | (defconst ps-mule-font-info-database-ps |
| 196 | '((katakana-jisx0201 |
| 197 | (normal builtin "Ryumin-Light.Katakana") |
| 198 | (bold builtin "GothicBBB-Medium.Katakana") |
| 199 | (bold-italic builtin "GothicBBB-Medium.Katakana")) |
| 200 | (latin-jisx0201 |
| 201 | (normal builtin "Ryumin-Light.Hankaku") |
| 202 | (bold builtin "GothicBBB-Medium.Hankaku")) |
| 203 | (japanese-jisx0208 |
| 204 | (normal builtin "Ryumin-Light-H") |
| 205 | (bold builtin "GothicBBB-Medium-H")) |
| 206 | (korean-ksc5601 |
| 207 | (normal builtin "Munhwa-Regular-KSC-EUC-H") |
| 208 | (bold builtin "Munhwa-Bold-KSC-EUC-H")) |
| 209 | ) |
| 210 | "Sample setting of the `ps-mule-font-info-database' to use builtin PS font. |
| 211 | |
| 212 | Currently, data for Japanese and Korean PostScript printers are listed.") |
| 213 | |
| 214 | (defconst ps-mule-font-info-database-bdf |
| 215 | '((iso-8859-1 |
| 216 | (normal bdf ("lt1-24-etl.bdf" "etl24-latin1.bdf")) |
| 217 | (bold bdf ("lt1-16b-etl.bdf" "etl16b-latin1.bdf")) |
| 218 | (italic bdf ("lt1-16i-etl.bdf" "etl16i-latin1.bdf")) |
| 219 | (bold-italic bdf ("lt1-16bi-etl.bdf" "etl16bi-latin1.bdf"))) |
| 220 | (iso-8859-2 |
| 221 | (normal bdf ("lt2-24-etl.bdf" "etl24-latin2.bdf"))) |
| 222 | (iso-8859-3 |
| 223 | (normal bdf ("lt3-24-etl.bdf" "etl24-latin3.bdf"))) |
| 224 | (iso-8859-4 |
| 225 | (normal bdf ("lt4-24-etl.bdf" "etl24-latin4.bdf"))) |
| 226 | (thai-tis620 |
| 227 | (normal bdf ("thai24.bdf" "thai-24.bdf") iso-8859-11)) |
| 228 | (greek-iso8859-7 |
| 229 | (normal bdf ("grk24-etl.bdf" "etl24-greek.bdf") iso-8859-7)) |
| 230 | (hebrew-iso8859-8 |
| 231 | (normal bdf ("heb24-etl.bdf" "etl24-hebrew.bdf") iso-8859-8)) |
| 232 | (jisx0201 |
| 233 | (normal bdf "12x24rk.bdf" jisx0201)) |
| 234 | (cyrillic-iso8859-5 |
| 235 | (normal bdf ("cyr24-etl.bdf" "etl24-cyrillic.bdf") iso-8859-5)) |
| 236 | (iso-8859-9 |
| 237 | (normal bdf ("lt5-24-etl.bdf" "etl24-latin5.bdf") iso-8859-9)) |
| 238 | (chinese-gb2312 |
| 239 | (normal bdf "gb24st.bdf")) |
| 240 | (japanese-jisx0208 |
| 241 | (normal bdf "jiskan24.bdf")) |
| 242 | (korean-ksc5601 |
| 243 | (normal bdf "hanglm24.bdf")) |
| 244 | (japanese-jisx0212 |
| 245 | (normal bdf ("jksp40.bdf" "jisksp40.bdf"))) |
| 246 | (chinese-cns11643-1 |
| 247 | (normal bdf ("cns1-40.bdf" "cns-1-40.bdf"))) |
| 248 | (chinese-cns11643-2 |
| 249 | (normal bdf ("cns2-40.bdf" "cns-2-40.bdf"))) |
| 250 | (big5 |
| 251 | (normal bdf "taipei24.bdf")) |
| 252 | (chinese-sisheng |
| 253 | (normal bdf ("sish24-etl.bdf" "etl24-sisheng.bdf"))) |
| 254 | (ipa |
| 255 | (normal bdf ("ipa24-etl.bdf" "etl24-ipa.bdf") ipa)) |
| 256 | (viscii |
| 257 | (normal bdf ("visc24-etl.bdf" "etl24-viscii.bdf"))) |
| 258 | (arabic-digit |
| 259 | (normal bdf ("arab24-0-etl.bdf" "etl24-arabic0.bdf"))) |
| 260 | (arabic-1-column |
| 261 | (normal bdf ("arab24-1-etl.bdf" "etl24-arabic1.bdf"))) |
| 262 | (lao |
| 263 | (normal bdf ("lao24-mule.bdf" "mule-lao-24.bdf") ps-mule-encode-lao 1)) |
| 264 | (arabic-2-column |
| 265 | (normal bdf ("arab24-2-etl.bdf" "etl24-arabic2.bdf"))) |
| 266 | (devanagari-cdac |
| 267 | (normal bdf "dvsr0ntt-32.bdf")) |
| 268 | (malayalam-cdac |
| 269 | (normal bdf "mlkr0ntt-32.bdf")) |
| 270 | (tamil-cdac |
| 271 | (normal bdf "tmvl0ntt-32.bdf")) |
| 272 | (indian-is13194 |
| 273 | (normal bdf ("isci24-mule.bdf" "mule-iscii-24.bdf"))) |
| 274 | (indian-1-column |
| 275 | (normal bdf ("ind1c24-mule.bdf" "mule-indian-1col-24.bdf"))) |
| 276 | (ethiopic |
| 277 | (normal bdf ("ethio16f-uni.bdf" "ethiomx24f-uni.bdf") unicode-bmp)) |
| 278 | (chinese-cns11643-3 |
| 279 | (normal bdf ("cns3-40.bdf" "cns-3-40.bdf"))) |
| 280 | (chinese-cns11643-4 |
| 281 | (normal bdf ("cns4-40.bdf" "cns-4-40.bdf"))) |
| 282 | (chinese-cns11643-5 |
| 283 | (normal bdf ("cns5-40.bdf" "cns-5-40.bdf"))) |
| 284 | (chinese-cns11643-6 |
| 285 | (normal bdf ("cns6-40.bdf" "cns-6-40.bdf"))) |
| 286 | (chinese-cns11643-7 |
| 287 | (normal bdf ("cns7-40.bdf" "cns-7-40.bdf"))) |
| 288 | (indian-2-column |
| 289 | (normal bdf ("ind24-mule.bdf" "mule-indian-24.bdf"))) |
| 290 | (tibetan |
| 291 | (normal bdf ("tib24p-mule.bdf" "tib24-mule.bdf" "mule-tibmdx-24.bdf"))) |
| 292 | (unicode-bmp |
| 293 | (normal bdf "etl24-unicode.bdf")) |
| 294 | ) |
| 295 | "Sample setting of the `ps-mule-font-info-database' to use BDF fonts. |
| 296 | BDF (Bitmap Distribution Format) is a format used for distributing X's font |
| 297 | source file. |
| 298 | |
| 299 | Current default value list for BDF fonts is included in `intlfonts-1.2' |
| 300 | which is a collection of X11 fonts for all characters supported by Emacs. |
| 301 | |
| 302 | Using this list as default value to `ps-mule-font-info-database', all |
| 303 | characters including ASCII and Latin-1 are printed by BDF fonts. |
| 304 | |
| 305 | See also `ps-mule-font-info-database-ps-bdf'.") |
| 306 | |
| 307 | (defconst ps-mule-font-info-database-ps-bdf |
| 308 | (cons (car ps-mule-font-info-database-latin) |
| 309 | (cdr (cdr ps-mule-font-info-database-bdf))) |
| 310 | "Sample setting of the `ps-mule-font-info-database' to use BDF fonts. |
| 311 | |
| 312 | Current default value list for BDF fonts is included in `intlfonts-1.2' |
| 313 | which is a collection of X11 fonts for all characters supported by Emacs. |
| 314 | |
| 315 | Using this list as default value to `ps-mule-font-info-database', all |
| 316 | characters except ASCII and Latin-1 characters are printed with BDF fonts. |
| 317 | ASCII and Latin-1 characters are printed with PostScript font specified |
| 318 | by `ps-font-family' and `ps-header-font-family'. |
| 319 | |
| 320 | See also `ps-mule-font-info-database-bdf'.") |
| 321 | |
| 322 | (defvar ps-mule-font-spec-list nil |
| 323 | "Array of FONT-SPEC lists for each font type. |
| 324 | |
| 325 | Elements are for `normal' font, `bold' font, `italic' font, and |
| 326 | `bold-italic' font in this order. |
| 327 | |
| 328 | Each element is a list of FONT-SPEC which has this form: |
| 329 | |
| 330 | (ID CHARSET (FONT-SRC FONT-NAME ENCODING) EXTRA-DATA) |
| 331 | |
| 332 | Where |
| 333 | |
| 334 | ID is a number for this FONT-SPEC and is unique in the list. |
| 335 | |
| 336 | CHARSET, FONT-SRC, FONT-NAME, ENCODING are the same as those in |
| 337 | `ps-mule-font-info-database' (which see). |
| 338 | |
| 339 | EXTRA-DATA is a data attached by external libraries. |
| 340 | |
| 341 | Each list is ordered by the current charset priorities. |
| 342 | |
| 343 | This variable is setup by `ps-mule-begin-job' from |
| 344 | `ps-mule-font-info-database'.") |
| 345 | |
| 346 | ;; Functions to access each element of FONT-SPEC. |
| 347 | (defsubst ps-mule-font-spec-id (font-spec) (aref font-spec 0)) |
| 348 | (defsubst ps-mule-font-spec-charset (font-spec) (aref font-spec 1)) |
| 349 | (defsubst ps-mule-font-spec-font-id (font-spec) (aref font-spec 2)) |
| 350 | (defsubst ps-mule-font-spec-src (font-spec) (aref font-spec 3)) |
| 351 | (defsubst ps-mule-font-spec-name (font-spec) (aref font-spec 4)) |
| 352 | (defsubst ps-mule-font-spec-set-name (font-spec name) |
| 353 | (aset font-spec 4 name)) |
| 354 | (defsubst ps-mule-font-spec-encoding (font-spec) (aref font-spec 5)) |
| 355 | (defsubst ps-mule-font-spec-bytes (font-spec) (aref font-spec 6)) |
| 356 | (defsubst ps-mule-font-spec-extra (font-spec) (aref font-spec 7)) |
| 357 | (defsubst ps-mule-font-spec-set-extra (font-spec extra) |
| 358 | (aset font-spec 7 extra)) |
| 359 | |
| 360 | ;; Functions to encode character into glyph code. |
| 361 | (defun ps-mule-encode-lao (char) |
| 362 | (- char #x0DE0)) |
| 363 | |
| 364 | (defun ps-mule-encode-char (char font-spec) |
| 365 | (let ((encoding (ps-mule-font-spec-encoding font-spec))) |
| 366 | (cond ((charsetp encoding) |
| 367 | (encode-char char encoding)) |
| 368 | ((fboundp encoding) |
| 369 | (funcall encoding char)) |
| 370 | (t |
| 371 | char)))) |
| 372 | |
| 373 | ;; Array of FONT-SPEC-TABLEs; Nth element is for FONT-TYPE N. |
| 374 | ;; |
| 375 | ;; FONT-TYPE is 0, 1, 2, or 3 representing normal, bold, italic, and |
| 376 | ;; bold-italic respectively. |
| 377 | ;; |
| 378 | ;; FONT-SPEC-TABLE is a char-table of FONT-SPECs. It records which |
| 379 | ;; character is printed by which FONT-SPEC. It has one extra slot |
| 380 | ;; whose value is an alist of the form: |
| 381 | ;; (CHARSET . FONT-SPEC) |
| 382 | ;; FONT-SPEC is a vecotr of the form: |
| 383 | ;; (ID FONT-SRC FONT-NAME ENCODING EXTRA) |
| 384 | (defvar ps-mule-font-spec-tables nil) |
| 385 | |
| 386 | ;; Array of FONT-TYPEs; Nth element FONT-NUMBER N. |
| 387 | ;; |
| 388 | ;; FONT-NUMBER is 0, 1, 2, 3, 4, 5, 6 representing fonts f0, f1, f2, |
| 389 | ;; f3, h0, h1, and H0. |
| 390 | (defconst ps-mule-font-number-to-type [ 0 1 2 3 1 0 0 ]) |
| 391 | |
| 392 | (defsubst ps-mule-get-font-spec (char font-spec-table font-spec) |
| 393 | "Return a font spec for printing CHAR with FONT-SPEC-TABLE. |
| 394 | |
| 395 | FONT-SPEC, if non-nil, is a font spec to try at first. |
| 396 | |
| 397 | See the documentation of `ps-mule-font-spec-tables' for the |
| 398 | format of font spec." |
| 399 | |
| 400 | (or (aref font-spec-table char) |
| 401 | (aset font-spec-table char |
| 402 | (or (and (< char 256) |
| 403 | (cdr (car (char-table-extra-slot font-spec-table 0)))) |
| 404 | (and font-spec |
| 405 | (encode-char char (ps-mule-font-spec-charset font-spec)) |
| 406 | font-spec) |
| 407 | (catch 'tag |
| 408 | (dolist (elt (char-table-extra-slot font-spec-table 0)) |
| 409 | (and (encode-char char (car elt)) |
| 410 | (throw 'tag (cdr elt))))) |
| 411 | ;; Record that no font-spec exist for CHAR. |
| 412 | t)))) |
| 413 | |
| 414 | (defconst ps-mule-external-libraries |
| 415 | '((builtin nil nil nil |
| 416 | nil nil nil) |
| 417 | (bdf ps-bdf nil bdf-generate-prologue |
| 418 | bdf-check-font bdf-generate-font bdf-generate-glyph) |
| 419 | (pcf nil nil pcf-generate-prologue |
| 420 | pcf-check-font pcf-generate-font pcf-generate-glyph) |
| 421 | (vflib nil nil vflib-generate-prologue |
| 422 | vflib-check-font vflib-generate-font vflib-generate-glyphs)) |
| 423 | "Alist of external libraries information to support PostScript printing. |
| 424 | Each element has the form: |
| 425 | |
| 426 | (FONT-SRC FEATURE INITIALIZED-P PROLOGUE-FUNC |
| 427 | CHECK-FUNC FONT-FUNC GLYPH-FUNC) |
| 428 | |
| 429 | FONT-SRC is the font source: builtin, bdf, pcf, or vflib. |
| 430 | |
| 431 | FEATURE is the feature that provide a facility to handle FONT-SRC. Except for |
| 432 | `builtin' FONT-SRC, this feature is automatically `require'd before handling |
| 433 | FONT-SRC. Currently, we only have the feature `ps-bdf'. |
| 434 | |
| 435 | INITIALIZED-P indicates if this library is initialized or not. |
| 436 | |
| 437 | PROLOGUE-FUNC is a function to generate PostScript code which define several |
| 438 | PostScript procedures that will be called by FONT-FUNC and GLYPHS-FUNC. It is |
| 439 | called with no argument, and should return a list of strings. |
| 440 | |
| 441 | CHECK-FUNC is a function to check if a font is available or not. |
| 442 | It is called with one argument FONT-SPEC, and should return non-nil iff the |
| 443 | font specified in FONT-SPEC is available. |
| 444 | |
| 445 | FONT-FUNC is a function to generate PostScript code which define a new font. |
| 446 | It is called with one argument FONT-SPEC, and should return a list of strings. |
| 447 | |
| 448 | GLYPH-FUNC is a function to generate PostScript code which define glyphs of |
| 449 | characters. It is called with two arguments FONT-SPEC and CODE, and should |
| 450 | return a list of strings.") |
| 451 | |
| 452 | (defsubst ps-mule-exlib-feature (exlib) (nth 1 exlib)) |
| 453 | (defsubst ps-mule-exlib-initialized-p (exlib) (nth 2 exlib)) |
| 454 | (defsubst ps-mule-exlib-set-initialized-p (exlib val) |
| 455 | (setcar (nthcdr 2 exlib) val)) |
| 456 | (defsubst ps-mule-exlib-prologue (exlib) (nth 3 exlib)) |
| 457 | (defsubst ps-mule-exlib-check (exlib) (nth 4 exlib)) |
| 458 | (defsubst ps-mule-exlib-font (exlib) (nth 5 exlib)) |
| 459 | (defsubst ps-mule-exlib-glyph (exlib) (nth 6 exlib)) |
| 460 | |
| 461 | (defun ps-mule-init-external-library (exlib) |
| 462 | "Initialize external library specified by EXLIB for PostScript printing. |
| 463 | See the documentation of `ps-mule-external-libraries' for EXLIB's meaning." |
| 464 | (or (ps-mule-exlib-initialized-p exlib) |
| 465 | (let ((prologue-func (ps-mule-exlib-prologue exlib))) |
| 466 | (if prologue-func |
| 467 | (let ((feature (ps-mule-exlib-feature exlib))) |
| 468 | (if feature |
| 469 | (require feature)) |
| 470 | (ps-output-prologue (funcall prologue-func)))) |
| 471 | (ps-mule-exlib-set-initialized-p exlib t)))) |
| 472 | |
| 473 | (defvar ps-mule-output-list nil) |
| 474 | |
| 475 | (defun ps-mule-check-font (font-spec) |
| 476 | "Check if a font specified in FONT-SPEC is available or not." |
| 477 | (let ((font-src (ps-mule-font-spec-src font-spec))) |
| 478 | (or (not font-src) |
| 479 | (let ((exlib (assq font-src ps-mule-external-libraries))) |
| 480 | (ps-mule-init-external-library exlib) |
| 481 | (or (not (ps-mule-exlib-check exlib)) |
| 482 | (funcall (ps-mule-exlib-check exlib) font-spec)))))) |
| 483 | |
| 484 | (defun ps-mule-prepare-font (font-spec) |
| 485 | "Generate PostScript codes defining a new font of FONT-SPEC for charset." |
| 486 | (let* ((font-src (ps-mule-font-spec-src font-spec)) |
| 487 | (exlib (assq font-src ps-mule-external-libraries)) |
| 488 | (id (ps-mule-font-spec-id font-spec)) |
| 489 | (ftag (format "%02X" id)) |
| 490 | (font-func (ps-mule-exlib-font exlib)) |
| 491 | output-list) |
| 492 | (if font-func |
| 493 | (setq output-list (funcall font-func font-spec)) |
| 494 | (setq output-list |
| 495 | (format "/F%s /%s findfont def\n" |
| 496 | ftag (or (ps-mule-font-spec-name font-spec) "Courier"))) |
| 497 | (ps-mule-font-spec-set-extra font-spec t)) |
| 498 | (and output-list |
| 499 | (nconc ps-mule-output-list (list output-list))))) |
| 500 | |
| 501 | (defun ps-mule-prepare-glyph (char font-spec) |
| 502 | "Generate PostScript codes to print CHAR by FONT-SPEC. |
| 503 | |
| 504 | If CHAR is a cons (FROM TO), generate codes for characters |
| 505 | specified by the character code range FROM and TO. |
| 506 | |
| 507 | The generated code is inserted on prologue part." |
| 508 | (if (vectorp font-spec) |
| 509 | (progn |
| 510 | (or (ps-mule-font-spec-extra font-spec) |
| 511 | (ps-mule-prepare-font font-spec)) |
| 512 | (let ((glyph-func (ps-mule-exlib-glyph |
| 513 | (assq (ps-mule-font-spec-src font-spec) |
| 514 | ps-mule-external-libraries)))) |
| 515 | (if glyph-func |
| 516 | (let (from to output-list) |
| 517 | (if (consp char) |
| 518 | (setq from (car char) to (cdr char)) |
| 519 | (setq from char to char)) |
| 520 | (while (<= from to) |
| 521 | (setq output-list |
| 522 | (funcall glyph-func font-spec from)) |
| 523 | (and output-list |
| 524 | (ps-output-prologue output-list)) |
| 525 | (setq from (1+ from))))))))) |
| 526 | |
| 527 | ;; This is a PostScript code inserted in the header of generated PostScript. |
| 528 | (defconst ps-mule-prologue |
| 529 | "%%%% Start of Mule Section |
| 530 | |
| 531 | /Latin1Encoding { % newname fontname | font |
| 532 | findfont dup length dict begin |
| 533 | { 1 index /FID ne { def } { pop pop } ifelse } forall |
| 534 | /Encoding ISOLatin1Encoding def |
| 535 | currentdict |
| 536 | end |
| 537 | definefont |
| 538 | } bind def |
| 539 | |
| 540 | %% Redefine fonts for multiple charsets. |
| 541 | /ReDefFont { % fontname encoding fdepvector size | - |
| 542 | 20 dict begin |
| 543 | 3 index findfont { |
| 544 | 1 index /FID ne 2 index /UniqueID ne and {def} {pop pop} ifelse |
| 545 | } forall |
| 546 | /FontType 0 def |
| 547 | /FMapType 3 def |
| 548 | /EscChar 0 def |
| 549 | % FontMatrix ::= [ size 0 0 size 0 0 ] |
| 550 | /FontMatrix exch [ exch dup 0 exch 0 exch 0 0 ] def |
| 551 | /FDepVector exch def |
| 552 | /Encoding exch def |
| 553 | currentdict |
| 554 | end % fontname dic |
| 555 | definefont pop |
| 556 | } bind def |
| 557 | " |
| 558 | "PostScript code for printing multi-byte characters.") |
| 559 | |
| 560 | (defvar ps-mule-prologue-generated nil) |
| 561 | |
| 562 | ;; EscChar used in generated composite fonts. |
| 563 | (defconst ps-mule-esc-char 0) |
| 564 | |
| 565 | (defun ps-mule-prologue-generated () |
| 566 | (unless ps-mule-prologue-generated |
| 567 | (ps-output-prologue ps-mule-prologue) |
| 568 | (ps-output-prologue |
| 569 | (format "\n/EscChar %d def\n\n%%%% End of Mule Section\n\n" |
| 570 | ps-mule-esc-char)) |
| 571 | (setq ps-mule-prologue-generated t))) |
| 572 | |
| 573 | (defun ps-mule-encode-region (from to font-spec-table) |
| 574 | "Generate PostScript code for plotting characters in the region FROM and TO. |
| 575 | |
| 576 | FONT-SPEC-TABLE is 0, 1, 2, 3, 4, 5, or 6, each represents font tags f0, f1, |
| 577 | f2, f3, h0, h1, and H0 respectively." |
| 578 | (let* ((font-spec nil) |
| 579 | (font-id 0) |
| 580 | (code-list nil)) |
| 581 | (goto-char from) |
| 582 | (while (< (point) to) |
| 583 | (let* ((char (following-char)) |
| 584 | (this-spec (ps-mule-get-font-spec char font-spec-table font-spec)) |
| 585 | this-id) |
| 586 | (if (vectorp this-spec) |
| 587 | (setq this-id (ps-mule-font-spec-font-id this-spec)) |
| 588 | ;; Can't print CHAR. Replace it with '?'. |
| 589 | (setq char ?? |
| 590 | this-spec (ps-mule-get-font-spec char font-spec-table nil) |
| 591 | this-id (ps-mule-font-spec-font-id this-spec))) |
| 592 | (unless (= font-id this-id) |
| 593 | (setq font-id this-id) |
| 594 | (push ps-mule-esc-char code-list) |
| 595 | (push font-id code-list)) |
| 596 | (setq font-spec this-spec) |
| 597 | (if (< char 128) |
| 598 | (push char code-list) |
| 599 | (let* ((code (ps-mule-encode-char char font-spec))) |
| 600 | (if (= (ps-mule-font-spec-bytes font-spec) 1) |
| 601 | (push code code-list) |
| 602 | (push (/ code 256) code-list) |
| 603 | (push (% code 256) code-list)))) |
| 604 | (forward-char 1))) |
| 605 | (apply 'unibyte-string (nreverse code-list)))) |
| 606 | |
| 607 | (defun ps-mule-plot-composition (composition font-spec-table) |
| 608 | "Generate PostScript code for plotting COMPOSITION with FONT-SPEC-TABLE." |
| 609 | (ps-output "[") |
| 610 | (let ((components (copy-sequence (nth 2 composition))) |
| 611 | (font-spec nil)) |
| 612 | (dotimes (i (length components)) |
| 613 | (let ((elt (aref components i)) |
| 614 | this-spec) |
| 615 | (if (consp elt) |
| 616 | ;; ELT is a composition rule. |
| 617 | (ps-output (format " %d" (encode-composition-rule elt))) |
| 618 | ;; ELT is a glyph character. |
| 619 | (setq this-spec |
| 620 | (ps-mule-get-font-spec elt font-spec-table font-spec)) |
| 621 | (or (vectorp this-spec) |
| 622 | ;; Can't print CHAR. Replace it with '?'. |
| 623 | (setq elt ?? |
| 624 | this-spec |
| 625 | (ps-mule-get-font-spec elt font-spec-table font-spec))) |
| 626 | (setq font-spec this-spec) |
| 627 | (let* ((bytes (ps-mule-font-spec-bytes font-spec)) |
| 628 | (code (ps-mule-encode-char elt font-spec)) |
| 629 | (font-id (ps-mule-font-spec-font-id font-spec)) |
| 630 | (str (make-string (if (= font-id 0) 1 (+ 2 bytes)) 0))) |
| 631 | (if (= font-id 0) |
| 632 | (aset str 0 code) |
| 633 | (aset str 0 ps-mule-esc-char) |
| 634 | (aset str 1 font-id) |
| 635 | (if (= bytes 1) |
| 636 | (aset str 2 code) |
| 637 | (aset str 2 (/ code 256)) |
| 638 | (aset str 3 (% code 256)))) |
| 639 | (ps-output "[") |
| 640 | (ps-output-string str) |
| 641 | (ps-output (if (eq (ps-mule-font-spec-src font-spec) 'bdf) |
| 642 | (format "/C%02X-%X" (ps-mule-font-spec-id font-spec) |
| 643 | elt) |
| 644 | "false")) |
| 645 | (ps-output "]")))))) |
| 646 | (ps-output " ] " (if (nth 3 composition) "RLC" "RBC") "\n")) |
| 647 | |
| 648 | (defun ps-mule-plot-string (from to &optional bg-color) |
| 649 | "Generate PostScript code for plotting characters in the region FROM and TO. |
| 650 | |
| 651 | Optional argument BG-COLOR is ignored. |
| 652 | |
| 653 | Returns the value: |
| 654 | |
| 655 | (ENDPOS . RUN-WIDTH) |
| 656 | |
| 657 | Where ENDPOS is the end position of the sequence and RUN-WIDTH is the width of |
| 658 | the sequence." |
| 659 | (let* ((average-width (ps-avg-char-width 'ps-font-for-text)) |
| 660 | (point (point)) |
| 661 | (composition (find-composition from to nil t)) |
| 662 | (stop (if (and composition |
| 663 | (not (vectorp (aref (nth 2 composition) 0)))) |
| 664 | (car composition) |
| 665 | to)) |
| 666 | (ascii-or-latin-1 "[\000-\377]+") |
| 667 | (run-width 0) |
| 668 | (endpos nil) |
| 669 | (font-spec-table (aref ps-mule-font-spec-tables |
| 670 | (aref ps-mule-font-number-to-type |
| 671 | ps-current-font))) |
| 672 | width) |
| 673 | (goto-char from) |
| 674 | (while (not endpos) |
| 675 | (cond ((= (point) stop) |
| 676 | (if (= stop to) |
| 677 | (setq endpos stop) |
| 678 | (when (< from stop) |
| 679 | (ps-output-string (ps-mule-encode-region from (point) |
| 680 | font-spec-table)) |
| 681 | (ps-output " S\n")) |
| 682 | (setq width (* (nth 5 composition) average-width)) |
| 683 | (if (< ps-width-remaining (+ run-width width)) |
| 684 | (setq endpos stop) |
| 685 | (ps-mule-plot-composition composition font-spec-table) |
| 686 | (setq run-width (+ run-width width) |
| 687 | from (nth 1 composition)) |
| 688 | (goto-char from) |
| 689 | (setq composition (find-composition (point) to nil t)) |
| 690 | (setq stop (if composition (car composition) to))))) |
| 691 | |
| 692 | ((looking-at ascii-or-latin-1) |
| 693 | (let ((nchars (- (min (match-end 0) stop) (point)))) |
| 694 | (setq width (* average-width nchars)) |
| 695 | (if (< ps-width-remaining (+ run-width width)) |
| 696 | (setq nchars (truncate (- ps-width-remaining run-width) |
| 697 | average-width) |
| 698 | run-width (+ run-width (* nchars average-width)) |
| 699 | endpos (+ (point) nchars)) |
| 700 | (setq run-width (+ run-width width)) |
| 701 | (forward-char nchars)))) |
| 702 | |
| 703 | (t |
| 704 | (while (and (< (point) stop) (not endpos)) |
| 705 | (setq width (char-width (following-char))) |
| 706 | (if (< ps-width-remaining (+ run-width width)) |
| 707 | (setq endpos (point)) |
| 708 | (setq run-width (+ run-width width)) |
| 709 | (forward-char 1)))))) |
| 710 | |
| 711 | (when (< from endpos) |
| 712 | (ps-output-string (ps-mule-encode-region from endpos font-spec-table)) |
| 713 | (ps-output " S\n")) |
| 714 | (goto-char point) |
| 715 | (cons endpos run-width))) |
| 716 | |
| 717 | ;; Character composition support |
| 718 | |
| 719 | (defvar ps-mule-composition-prologue-generated nil) |
| 720 | |
| 721 | (defconst ps-mule-composition-prologue |
| 722 | "%%%% Procedures for character composition. |
| 723 | /RelativeCompositionSkip 0.4 def |
| 724 | |
| 725 | %% Get a bounding box (relative to currentpoint) of STR. |
| 726 | /GetPathBox { % [ str cname ] | - |
| 727 | dup 1 get dup false ne { |
| 728 | BitmapDict exch get /bmp exch def |
| 729 | %% bmp ::= [ DWIDTH WIDTH HEIGHT XOFF YOFF BITMAP RELATIVE-COMPOSE] |
| 730 | /LLY bmp 4 get def |
| 731 | /URY LLY bmp 2 get add def |
| 732 | /RelativeCompose bmp 6 get dup false ne { |
| 733 | dup LLY le { pop 1 } { URY ge { -1 } { 0 } ifelse } ifelse |
| 734 | } { |
| 735 | pop 0 |
| 736 | } ifelse def |
| 737 | dup 0 get stringwidth pop dup /WIDTH exch def bmp 0 get div |
| 738 | dup LLY mul /LLY exch def |
| 739 | URY mul /URY exch def |
| 740 | } { |
| 741 | pop |
| 742 | dup 0 get stringwidth pop /WIDTH exch def |
| 743 | gsave 0 0 moveto |
| 744 | dup 0 get false charpath flattenpath pathbbox |
| 745 | /URY exch def pop /LLY exch def pop |
| 746 | grestore |
| 747 | /RelativeCompose 0 def |
| 748 | } ifelse |
| 749 | } bind def |
| 750 | |
| 751 | %% Apply effects except for shadow and outline to the rectangle |
| 752 | %% specified by TOP BOTTOM LEFT RIGHT. |
| 753 | /SpecialEffect { % -- | -- |
| 754 | currentpoint dup TOP add /yy exch def BOTTOM add /YY exch def |
| 755 | dup LEFT add /xx exch def RIGHT add /XX exch def |
| 756 | %% Adjust positions for future shadowing. |
| 757 | Effect 8 and 0 ne { |
| 758 | /yy yy Yshadow add def |
| 759 | /XX XX Xshadow add def |
| 760 | } if |
| 761 | Effect 1 and 0 ne { UnderlinePosition Hline } if % underline |
| 762 | Effect 2 and 0 ne { StrikeoutPosition Hline } if % strikeout |
| 763 | Effect 4 and 0 ne { OverlinePosition Hline } if % overline |
| 764 | bg { % background |
| 765 | true |
| 766 | Effect 16 and 0 ne {SpaceBackground doBox} { xx yy XX YY doRect} ifelse |
| 767 | } if |
| 768 | Effect 16 and 0 ne { false 0 doBox } if % box |
| 769 | } def |
| 770 | |
| 771 | %% Draw COMPONENTS which has the form [ [str0 xoff0 yoff0] ... ] with |
| 772 | %% effects shadow and outline. |
| 773 | /ShowComponents { % components | - |
| 774 | gsave |
| 775 | { gsave aload pop rmoveto |
| 776 | Effect 8 and 0 ne { dup doShadow } if |
| 777 | Effect 32 and 0 ne { true doOutline } { show } ifelse |
| 778 | grestore |
| 779 | } forall |
| 780 | grestore |
| 781 | RIGHT 0 rmoveto |
| 782 | } def |
| 783 | |
| 784 | %% Show relative composition. |
| 785 | /RLC { % [[str0 cname0] [str1 cname1] ... [strN cnameN]] | - |
| 786 | /components exch def |
| 787 | [ % push [str xoff yoff] one by one |
| 788 | [ components 0 get GetPathBox aload pop pop 0 0 ] |
| 789 | %% Bounding box of overall glyphs. |
| 790 | /LEFT 0 def |
| 791 | /RIGHT WIDTH def |
| 792 | /TOP URY def |
| 793 | /BOTTOM LLY def |
| 794 | |
| 795 | 1 1 components length 1 sub { |
| 796 | components exch get |
| 797 | [ exch |
| 798 | GetPathBox |
| 799 | aload pop pop % str |
| 800 | 0 % xoff |
| 801 | RelativeCompose 1 eq { % compose on TOP |
| 802 | TOP LLY sub RelativeCompositionSkip add % yoff |
| 803 | /TOP TOP URY LLY sub add RelativeCompositionSkip add def |
| 804 | } { RelativeCompose -1 eq { % compose under BOTTOM |
| 805 | BOTTOM URY sub RelativeCompositionSkip sub % yoff |
| 806 | /BOTTOM BOTTOM URY LLY sub sub |
| 807 | RelativeCompositionSkip sub def |
| 808 | } { |
| 809 | 0 % yoff |
| 810 | URY TOP gt { /TOP URY def } if |
| 811 | LLY BOTTOM lt { /BOTTOM LLY def } if |
| 812 | } ifelse } ifelse |
| 813 | ] |
| 814 | } for |
| 815 | ] |
| 816 | SpecialEffect % Reflect special effects. |
| 817 | ShowComponents % Draw components. |
| 818 | } def |
| 819 | |
| 820 | %% Show rule-base composition. |
| 821 | /RBC { % [[str0 cname0] rule1 [str1 cname0] rule2 ... [strN cnameN]] | - |
| 822 | /components exch def |
| 823 | [ % push [str xoff yoff] one by one |
| 824 | [ components 0 get GetPathBox aload pop pop 0 0 ] |
| 825 | %% Bounding box of overall glyphs. |
| 826 | /LEFT 0 def |
| 827 | /RIGHT WIDTH def |
| 828 | /TOP URY def |
| 829 | /BOTTOM LLY def |
| 830 | 1 1 components length 1 sub { |
| 831 | components exch get /elt exch def |
| 832 | elt type /integertype eq { % rule |
| 833 | %% Do the same RULE decoding as the macro |
| 834 | %% COMPOSITION_DECODE_RULE in emacs/src/composite.h. |
| 835 | elt 12 idiv dup 3 mod /grefx exch def 3 idiv /grefy exch def |
| 836 | elt 12 mod dup 3 mod /nrefx exch def 3 idiv /nrefy exch def |
| 837 | } { % other strings |
| 838 | [ |
| 839 | elt GetPathBox |
| 840 | aload pop pop |
| 841 | /height URY LLY sub def |
| 842 | /left LEFT [ 0 RIGHT LEFT sub dup 2 div exch ] grefx get add |
| 843 | [ 0 WIDTH 2 div WIDTH ] nrefx get sub def |
| 844 | /bottom [ TOP 0 BOTTOM TOP BOTTOM add 2 div ] grefy get |
| 845 | [ height LLY neg 0 height 2 div ] nrefy get sub def |
| 846 | %% Update bounding box |
| 847 | left LEFT lt { /LEFT left def } if |
| 848 | left WIDTH add RIGHT gt { /RIGHT left WIDTH add def } if |
| 849 | bottom BOTTOM lt { /BOTTOM bottom def } if |
| 850 | bottom height add TOP gt { /TOP bottom height add def } if |
| 851 | left bottom LLY sub ] |
| 852 | } ifelse |
| 853 | } for |
| 854 | ] |
| 855 | |
| 856 | LEFT 0 lt { % Adjust xoff to the right. |
| 857 | dup { dup 1 get LEFT sub 1 exch put } forall |
| 858 | /RIGHT RIGHT LEFT sub def |
| 859 | } if |
| 860 | |
| 861 | SpecialEffect % Reflect special effects. |
| 862 | ShowComponents % Draw components. |
| 863 | } def |
| 864 | |
| 865 | %%%% End of procedures for character composition |
| 866 | " |
| 867 | "PostScript code for printing character composition.") |
| 868 | |
| 869 | (defun ps-mule-composition-prologue-generated () |
| 870 | (unless ps-mule-composition-prologue-generated |
| 871 | (ps-mule-prologue-generated) |
| 872 | (ps-output-prologue ps-mule-composition-prologue) |
| 873 | (setq ps-mule-composition-prologue-generated t))) |
| 874 | |
| 875 | ;; Bitmap font support |
| 876 | |
| 877 | (defvar ps-mule-bitmap-prologue-generated nil) |
| 878 | |
| 879 | (defconst ps-mule-bitmap-prologue |
| 880 | "%%%% Procedures for bitmap fonts. |
| 881 | |
| 882 | %% Create a base bitmap font. |
| 883 | /NBF { % fontname fontsize relative-compose baseline-offset enc | -- |
| 884 | 11 dict begin |
| 885 | /FontType 3 def |
| 886 | /FontMatrix matrix def |
| 887 | /FontBBox [ 0 0 0 0 ] def |
| 888 | /Encoding exch def |
| 889 | /BaselineOffset exch def |
| 890 | /RelativeCompose exch def |
| 891 | /FontSize exch def |
| 892 | /FontMatrix [ 1 FontSize div 0 0 1 FontSize div 0 0 ] def |
| 893 | /BuildGlyph { % fontdict charname | - |
| 894 | BitmapDict exch get /bmp exch def pop |
| 895 | %% bmp ::= [ DWIDTH WIDTH HEIGHT XOFF YOFF BITMAP RELATIVE-COMPOSE ] |
| 896 | /llx bmp 3 get def |
| 897 | /lly bmp 4 get def |
| 898 | /urx llx bmp 1 get add def |
| 899 | /ury lly bmp 2 get add def |
| 900 | bmp 0 get 0 llx lly urx ury setcachedevice |
| 901 | bmp 5 get length 0 gt { |
| 902 | llx ury translate |
| 903 | bmp 1 get bmp 2 get |
| 904 | true [ 1 0 0 -1 0 0 ] { bmp 5 get } imagemask |
| 905 | } if |
| 906 | } bind def |
| 907 | /BuildChar { % fontdict byte | - |
| 908 | 1 index /Encoding get exch get |
| 909 | 1 index /BuildGlyph get exec |
| 910 | } bind def |
| 911 | dup currentdict end |
| 912 | definefont def |
| 913 | } bind def |
| 914 | |
| 915 | %% Create a parent font of 8/8 mapping. |
| 916 | /NPF { % fontname encoding fdepvector | - |
| 917 | 8 dict begin |
| 918 | /FontType 0 def |
| 919 | /FMapType 2 def |
| 920 | /FontMatrix matrix def |
| 921 | /FDepVector exch def |
| 922 | /Encoding exch def |
| 923 | dup currentdict |
| 924 | end |
| 925 | definefont def |
| 926 | } bind def |
| 927 | |
| 928 | %%%% End of procedures for bitmap fonts. |
| 929 | ") |
| 930 | |
| 931 | ;; External library support. |
| 932 | |
| 933 | (defvar ps-mule-bitmap-dict-list nil) |
| 934 | (defvar ps-mule-bitmap-font-record nil) |
| 935 | |
| 936 | ;; The following three functions are to be called from external |
| 937 | ;; libraries which support bitmap fonts (e.g. `bdf') to get |
| 938 | ;; appropriate PostScript code. |
| 939 | |
| 940 | (defun ps-mule-generate-bitmap-prologue () |
| 941 | (unless ps-mule-bitmap-prologue-generated |
| 942 | (setq ps-mule-bitmap-prologue-generated t |
| 943 | ps-mule-bitmap-dict-list nil |
| 944 | ps-mule-bitmap-font-record (make-vector 1024 nil)) |
| 945 | (list ps-mule-bitmap-prologue))) |
| 946 | |
| 947 | (defun ps-mule-generate-bitmap-font (font-spec size relative-compose |
| 948 | baselie-offset bbx) |
| 949 | (let* ((id (ps-mule-font-spec-id font-spec)) |
| 950 | (bytes (ps-mule-font-spec-bytes font-spec)) |
| 951 | output-list) |
| 952 | (if (= bytes 1) |
| 953 | (setq output-list |
| 954 | (list (format "/E%02X [ 0 1 255 {pop /.notdef} for ] def\n" id) |
| 955 | (format "%%%% %s\n" (ps-mule-font-spec-name font-spec)) |
| 956 | (format "/F%02X %f %S %d E%02X NBF\n" id size |
| 957 | relative-compose baselie-offset id))) |
| 958 | (setq output-list |
| 959 | (list (list (format "/E%02X [ 0 1 255 { pop 0 } for ] def\n" id)) |
| 960 | (list (format "/V%02X [" id)) |
| 961 | " ] def\n" |
| 962 | (format "%%%% %s\n" (ps-mule-font-spec-name font-spec)) |
| 963 | (format "/F%02X E%02X V%02X NPF\n" id id id)))) |
| 964 | (aset ps-mule-bitmap-font-record id |
| 965 | (vector (= bytes 1) output-list |
| 966 | size relative-compose baselie-offset bbx)) |
| 967 | (if ps-mule-bitmap-dict-list |
| 968 | output-list |
| 969 | (setq ps-mule-bitmap-dict-list (list "/BitmapDict <<\n" ">> def\n")) |
| 970 | (cons ps-mule-bitmap-dict-list output-list)))) |
| 971 | |
| 972 | (defun ps-mule-generate-bitmap-glyph (font-spec char code bitmap) |
| 973 | (let* ((id (ps-mule-font-spec-id font-spec)) |
| 974 | ;; FONT-RECORD ::= ([(SUBFONT-OUTPUT-LIST ...) | t] |
| 975 | ;; BASEFONT-OUTPUT-LIST SIZE REL-COMP B-OFFSET BBX) |
| 976 | (font-record (aref ps-mule-bitmap-font-record id)) |
| 977 | enc-name |
| 978 | output-list) |
| 979 | (if (listp (aref font-record 0)) |
| 980 | ;; This is a 2-dimensional font. Create a subfont for this |
| 981 | ;; glyph if not yet created. |
| 982 | (let* ((high (/ code 256)) |
| 983 | (id2 (+ (* id 256) high))) |
| 984 | (setq output-list (cdr (assq high (aref font-record 0))) |
| 985 | code (% code 256)) |
| 986 | (or output-list |
| 987 | ;; We must create a subfont. |
| 988 | (let ((enc-list (car (aref font-record 1))) |
| 989 | (fdep-list (nth 1 (aref font-record 1)))) |
| 990 | (setq output-list |
| 991 | (list |
| 992 | (format "/E%04X [ 0 1 255 {pop /.notdef} for ] def\n" |
| 993 | id2) |
| 994 | (format "/F%04X %f %S %d E%04X NBF\n" |
| 995 | id2 (aref font-record 2) (aref font-record 3) |
| 996 | (aref font-record 4) id2) |
| 997 | (format "E%02X %d %d put\n" |
| 998 | id high (1- (length fdep-list))))) |
| 999 | (nconc enc-list (list output-list)) |
| 1000 | (nconc fdep-list (list (format " F%04X" id2))) |
| 1001 | (aset font-record 0 |
| 1002 | (cons (cons high output-list) (aref font-record 0))))) |
| 1003 | (setq enc-name (format "%04X" id2))) |
| 1004 | (setq output-list (aref font-record 1) |
| 1005 | enc-name (format "%02X" id))) |
| 1006 | (setcdr ps-mule-bitmap-dict-list |
| 1007 | (cons (format "/C%02X-%X %s\n" id char bitmap) |
| 1008 | (cdr ps-mule-bitmap-dict-list))) |
| 1009 | (setcdr output-list |
| 1010 | (cons (format "E%s %d /C%02X-%X put\n" enc-name code id char) |
| 1011 | (cdr output-list)))) |
| 1012 | nil) |
| 1013 | |
| 1014 | ;; Mule specific initializers. |
| 1015 | |
| 1016 | ;;;###autoload |
| 1017 | (defun ps-mule-initialize () |
| 1018 | "Initialize global data for printing multi-byte characters." |
| 1019 | (setq ps-mule-prologue-generated nil |
| 1020 | ps-mule-composition-prologue-generated nil |
| 1021 | ps-mule-bitmap-prologue-generated nil) |
| 1022 | (mapcar `(lambda (x) (setcar (nthcdr 2 x) nil)) |
| 1023 | ps-mule-external-libraries)) |
| 1024 | |
| 1025 | (defun ps-mule-encode-header-string (string fonttag) |
| 1026 | "Generate PostScript code for ploting STRING by font FONTTAG. |
| 1027 | FONTTAG should be a string \"/h0\", \"/h1\", \"/L0\", or \"/H0\". |
| 1028 | Any other value is treated as \"/H0\"." |
| 1029 | (with-temp-buffer |
| 1030 | (insert string) |
| 1031 | (list (ps-mule-encode-region (point-min) (point-max) |
| 1032 | (aref ps-mule-font-spec-tables |
| 1033 | (aref ps-mule-font-number-to-type |
| 1034 | (cond ((string= fonttag "/h0") 4) |
| 1035 | ((string= fonttag "/h1") 5) |
| 1036 | ((string= fonttag "/L0") 6) |
| 1037 | (t 0)))))))) |
| 1038 | |
| 1039 | ;;;###autoload |
| 1040 | (defun ps-mule-begin-job (from to) |
| 1041 | "Start printing job for multi-byte chars between FROM and TO. |
| 1042 | It checks if all multi-byte characters in the region are printable or not." |
| 1043 | (auto-compose-region from to) |
| 1044 | (if (and (not (find-composition from to)) |
| 1045 | (save-excursion |
| 1046 | (goto-char from) |
| 1047 | (= (skip-chars-forward "\x00-\xFF" to) to))) |
| 1048 | ;; All characters can be printed by normal PostScript fonts. |
| 1049 | (setq ps-basic-plot-string-function 'ps-basic-plot-string |
| 1050 | ps-encode-header-string-function 'identity) |
| 1051 | (setq ps-basic-plot-string-function 'ps-mule-plot-string |
| 1052 | ps-encode-header-string-function 'ps-mule-encode-header-string |
| 1053 | ps-mule-font-info-database |
| 1054 | (cond ((eq ps-multibyte-buffer 'non-latin-printer) |
| 1055 | ps-mule-font-info-database-ps) |
| 1056 | ((eq ps-multibyte-buffer 'bdf-font) |
| 1057 | ps-mule-font-info-database-bdf) |
| 1058 | ((eq ps-multibyte-buffer 'bdf-font-except-latin) |
| 1059 | ps-mule-font-info-database-ps-bdf) |
| 1060 | (t |
| 1061 | ps-mule-font-info-database-default))) |
| 1062 | |
| 1063 | ;; Be sure to have font information for Latin-1. |
| 1064 | (or (assq 'iso-8859-1 ps-mule-font-info-database) |
| 1065 | (setq ps-mule-font-info-database |
| 1066 | (cons '(iso-8859-1 (normal nil nil)) |
| 1067 | ps-mule-font-info-database))) |
| 1068 | |
| 1069 | ;; Generate ps-mule-font-spec-tables. |
| 1070 | (let ((font-spec-alist (make-vector 4 nil)) |
| 1071 | (id-max 0) |
| 1072 | (font-id 0) |
| 1073 | font-info-list) |
| 1074 | ;; Generate properly ordered font-info-list from |
| 1075 | ;; ps-mule-font-info-database. |
| 1076 | (let ((charset-list |
| 1077 | (copy-sequence (get-language-info current-language-environment |
| 1078 | 'charset)))) |
| 1079 | (setq charset-list (cons 'iso-8859-1 (delq 'iso-8859-1 charset-list))) |
| 1080 | (dolist (charset charset-list) |
| 1081 | (let ((font-info (assq charset ps-mule-font-info-database))) |
| 1082 | (and font-info |
| 1083 | (setq font-info-list (cons font-info font-info-list))))) |
| 1084 | (dolist (font-info ps-mule-font-info-database) |
| 1085 | (or (memq (car font-info) charset-list) |
| 1086 | (setq font-info-list (cons font-info font-info-list)))) |
| 1087 | (setq font-info-list (nreverse font-info-list))) |
| 1088 | |
| 1089 | ;; Store FONT-SPECs in each element of font-spec-alist. |
| 1090 | (dolist (font-info font-info-list) |
| 1091 | (let ((font-spec-vec (make-vector 4 nil)) |
| 1092 | (charset (car font-info)) |
| 1093 | encoding font-spec) |
| 1094 | (dolist (e (cdr font-info)) |
| 1095 | (setq encoding (or (nth 3 e) charset) |
| 1096 | font-spec (vector id-max charset font-id |
| 1097 | (nth 1 e) (nth 2 e) encoding |
| 1098 | (or (nth 4 e) (charset-dimension encoding)) |
| 1099 | nil) |
| 1100 | id-max (1+ id-max)) |
| 1101 | (if (ps-mule-check-font font-spec) |
| 1102 | (aset font-spec-vec |
| 1103 | (cond ((eq (car e) 'normal) 0) |
| 1104 | ((eq (car e) 'bold) 1) |
| 1105 | ((eq (car e) 'italic) 2) |
| 1106 | (t 3)) font-spec))) |
| 1107 | (when (aref font-spec-vec 0) |
| 1108 | (or (aref font-spec-vec 3) |
| 1109 | (aset font-spec-vec 3 (or (aref font-spec-vec 1) |
| 1110 | (aref font-spec-vec 2) |
| 1111 | (aref font-spec-vec 0)))) |
| 1112 | (or (aref font-spec-vec 1) |
| 1113 | (aset font-spec-vec 1 (aref font-spec-vec 0))) |
| 1114 | (or (aref font-spec-vec 2) |
| 1115 | (aset font-spec-vec 2 (aref font-spec-vec 1))) |
| 1116 | (dotimes (i 4) |
| 1117 | (aset font-spec-alist i |
| 1118 | (nconc (aref font-spec-alist i) |
| 1119 | (list (cons charset (aref font-spec-vec i)))))) |
| 1120 | (setq font-id (1+ font-id))))) |
| 1121 | |
| 1122 | ;; Make four FONT-SPEC-TABLEs and set them in |
| 1123 | ;; ps-mule-font-spec-tables. Each char table has one extra slot |
| 1124 | ;; whose value is an element of font-spec-alist. |
| 1125 | (setq ps-mule-font-spec-tables (make-vector 4 nil)) |
| 1126 | (put 'font-spec-table 'char-table-extra-slots 1) |
| 1127 | (dotimes (i 4) |
| 1128 | (let ((table (make-char-table 'font-spec-table))) |
| 1129 | (aset ps-mule-font-spec-tables i table) |
| 1130 | (set-char-table-extra-slot table 0 (aref font-spec-alist i)) |
| 1131 | ;; Be sure to have glyphs for "0123456789/" in advance for |
| 1132 | ;; page numbering. |
| 1133 | (let ((str " 0123456789/")) |
| 1134 | (dotimes (i (length str)) |
| 1135 | (or (vectorp (ps-mule-get-font-spec (aref str i) table nil)) |
| 1136 | (error "ASCII font not available"))))))) |
| 1137 | |
| 1138 | (ps-mule-prologue-generated) |
| 1139 | (if (find-composition from to) |
| 1140 | (ps-mule-composition-prologue-generated)))) |
| 1141 | |
| 1142 | (defun ps-mule-restruct-output-list (list tail) |
| 1143 | (dolist (elt list) |
| 1144 | (if (listp elt) |
| 1145 | (setq tail (ps-mule-restruct-output-list elt tail)) |
| 1146 | (setcdr tail (cons elt (cdr tail))) |
| 1147 | (setq tail (cdr tail)))) |
| 1148 | tail) |
| 1149 | |
| 1150 | (defun ps-mule-redefine-font (font-number fonttag size ps-font) |
| 1151 | (let* ((font-type (aref ps-mule-font-number-to-type font-number)) |
| 1152 | (font-spec-alist (char-table-extra-slot |
| 1153 | (aref ps-mule-font-spec-tables font-type) 0))) |
| 1154 | (ps-output-prologue |
| 1155 | (list (if (ps-mule-font-spec-src (cdr (car font-spec-alist))) |
| 1156 | ;; We ignore a font specfied in ps-font-info-database. |
| 1157 | (format "/V%s VTOP%d def\n" fonttag font-type) |
| 1158 | (format "/V%s [ VTOP%d aload pop ] def\n |
| 1159 | V%s 0 /%s-latin1 /%s Latin1Encoding put\n" |
| 1160 | fonttag font-type fonttag ps-font ps-font)) |
| 1161 | (format "/%s ETOP%d V%s %f ReDefFont\n" |
| 1162 | fonttag font-type fonttag size))))) |
| 1163 | |
| 1164 | |
| 1165 | ;;;###autoload |
| 1166 | (defun ps-mule-end-job () |
| 1167 | "Finish printing job for multi-byte chars." |
| 1168 | |
| 1169 | ;; Prepare root and sub fonts while generating glyphs if necessary. |
| 1170 | (let ((output-head (list t)) |
| 1171 | (ps-mule-output-list (list t))) |
| 1172 | (dotimes (i 4) |
| 1173 | (map-char-table 'ps-mule-prepare-glyph |
| 1174 | (aref ps-mule-font-spec-tables i))) |
| 1175 | (ps-mule-restruct-output-list (cdr ps-mule-output-list) output-head) |
| 1176 | (ps-output-prologue (cdr output-head))) |
| 1177 | |
| 1178 | ;; Prepare top Encoding and templates of FDepVector. |
| 1179 | (dotimes (i 4) |
| 1180 | (let ((font-spec-alist (char-table-extra-slot |
| 1181 | (aref ps-mule-font-spec-tables i) 0)) |
| 1182 | font-list font-spec) |
| 1183 | (dolist (elt font-spec-alist) |
| 1184 | (setq font-spec (cdr elt)) |
| 1185 | (if (ps-mule-font-spec-extra font-spec) |
| 1186 | (push (cons (ps-mule-font-spec-font-id font-spec) |
| 1187 | (ps-mule-font-spec-id font-spec)) |
| 1188 | font-list))) |
| 1189 | (setq font-list (nreverse font-list)) |
| 1190 | (ps-output-prologue |
| 1191 | (list (format "/ETOP%d 256 array def\n" i) |
| 1192 | (format "0 1 255 { ETOP%d exch 0 put } for\n" i))) |
| 1193 | (let ((index 0)) |
| 1194 | (dolist (font font-list) |
| 1195 | (ps-output-prologue (format "ETOP%d %d %d put\n" i (car font) index)) |
| 1196 | (setq index (1+ index)))) |
| 1197 | (ps-output-prologue (format "/VTOP%d [%s] def\n" i |
| 1198 | (mapconcat #'(lambda (x) |
| 1199 | (format "F%02X" (cdr x))) |
| 1200 | font-list " "))))) |
| 1201 | |
| 1202 | ;; Redefine fonts f0, f1, f2, f3, h0, h1, H0. |
| 1203 | (ps-mule-redefine-font 4 "h0" ps-header-title-font-size-internal |
| 1204 | (ps-font 'ps-font-for-header 'bold)) |
| 1205 | (ps-mule-redefine-font 5 "h1" ps-header-font-size-internal |
| 1206 | (ps-font 'ps-font-for-header 'normal)) |
| 1207 | (ps-mule-redefine-font 6 "H0" ps-footer-font-size-internal |
| 1208 | (ps-font 'ps-font-for-footer 'normal)) |
| 1209 | (let ((font (ps-font-alist 'ps-font-for-text)) |
| 1210 | (i 0)) |
| 1211 | (while font |
| 1212 | (ps-mule-redefine-font i (format "f%d" i) |
| 1213 | ps-font-size-internal |
| 1214 | (ps-font 'ps-font-for-text (car (car font)))) |
| 1215 | (setq font (cdr font) |
| 1216 | i (1+ i))))) |
| 1217 | |
| 1218 | (provide 'ps-mule) |
| 1219 | |
| 1220 | ;; Local Variables: |
| 1221 | ;; generated-autoload-file: "ps-print.el" |
| 1222 | ;; End: |
| 1223 | |
| 1224 | ;; arch-tag: bca017b2-66a7-4e59-8584-103e749eadbe |
| 1225 | ;;; ps-mule.el ends here |