Mercurial > hg > xemacs-beta
comparison lisp/font.el @ 217:d44af0c54775 r20-4b7
Import from CVS: tag r20-4b7
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 10:08:34 +0200 |
| parents | |
| children | 727739f917cb |
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| 216:43306a74e31c | 217:d44af0c54775 |
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| 1 ;;; font.el --- New font model | |
| 2 ;; Author: wmperry | |
| 3 ;; Created: 1997/09/05 15:44:37 | |
| 4 ;; Version: 1.52 | |
| 5 ;; Keywords: faces | |
| 6 | |
| 7 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 8 ;;; Copyright (c) 1995, 1996 by William M. Perry (wmperry@cs.indiana.edu) | |
| 9 ;;; Copyright (c) 1996, 1997 Free Software Foundation, Inc. | |
| 10 ;;; | |
| 11 ;;; This file is part of GNU Emacs. | |
| 12 ;;; | |
| 13 ;;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 14 ;;; it under the terms of the GNU General Public License as published by | |
| 15 ;;; the Free Software Foundation; either version 2, or (at your option) | |
| 16 ;;; any later version. | |
| 17 ;;; | |
| 18 ;;; GNU Emacs is distributed in the hope that it will be useful, | |
| 19 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 21 ;;; GNU General Public License for more details. | |
| 22 ;;; | |
| 23 ;;; You should have received a copy of the GNU General Public License | |
| 24 ;;; along with GNU Emacs; see the file COPYING. If not, write to the | |
| 25 ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 26 ;;; Boston, MA 02111-1307, USA. | |
| 27 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 28 | |
| 29 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 30 ;;; The emacsen compatibility package - load it up before anything else | |
| 31 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 32 (require 'cl) | |
| 33 | |
| 34 (eval-and-compile | |
| 35 (condition-case () | |
| 36 (require 'custom) | |
| 37 (error nil)) | |
| 38 (if (and (featurep 'custom) (fboundp 'custom-declare-variable)) | |
| 39 nil ;; We've got what we needed | |
| 40 ;; We have the old custom-library, hack around it! | |
| 41 (defmacro defgroup (&rest args) | |
| 42 nil) | |
| 43 (defmacro defcustom (var value doc &rest args) | |
| 44 (` (defvar (, var) (, value) (, doc)))))) | |
| 45 | |
| 46 (if (not (fboundp 'try-font-name)) | |
| 47 (defun try-font-name (fontname &rest args) | |
| 48 (case window-system | |
| 49 ((x pm) (car-safe (x-list-fonts fontname))) | |
| 50 (mswindows (car-safe (x-list-fonts fontname))) ; XXX FIXME | |
| 51 (ns (car-safe (ns-list-fonts fontname))) | |
| 52 (otherwise nil)))) | |
| 53 | |
| 54 (if (not (fboundp 'facep)) | |
| 55 (defun facep (face) | |
| 56 "Return t if X is a face name or an internal face vector." | |
| 57 (if (not window-system) | |
| 58 nil ; FIXME if FSF ever does TTY faces | |
| 59 (and (or (internal-facep face) | |
| 60 (and (symbolp face) (assq face global-face-data))) | |
| 61 t)))) | |
| 62 | |
| 63 (if (not (fboundp 'set-face-property)) | |
| 64 (defun set-face-property (face property value &optional locale | |
| 65 tag-set how-to-add) | |
| 66 "Change a property of FACE." | |
| 67 (and (symbolp face) | |
| 68 (put face property value)))) | |
| 69 | |
| 70 (if (not (fboundp 'face-property)) | |
| 71 (defun face-property (face property &optional locale tag-set exact-p) | |
| 72 "Return FACE's value of the given PROPERTY." | |
| 73 (and (symbolp face) (get face property)))) | |
| 74 | |
| 75 (require 'disp-table) | |
| 76 | |
| 77 (if (not (fboundp '<<)) (fset '<< 'lsh)) | |
| 78 (if (not (fboundp '&)) (fset '& 'logand)) | |
| 79 (if (not (fboundp '|)) (fset '| 'logior)) | |
| 80 (if (not (fboundp '~)) (fset '~ 'lognot)) | |
| 81 (if (not (fboundp '>>)) (defun >> (value count) (<< value (- count)))) | |
| 82 | |
| 83 | |
| 84 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 85 ;;; Lots of variables / keywords for use later in the program | |
| 86 ;;; Not much should need to be modified | |
| 87 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 88 (defconst font-running-xemacs (string-match "XEmacs" (emacs-version)) | |
| 89 "Whether we are running in XEmacs or not.") | |
| 90 | |
| 91 (defmacro define-font-keywords (&rest keys) | |
| 92 (` | |
| 93 (eval-and-compile | |
| 94 (let ((keywords (quote (, keys)))) | |
| 95 (while keywords | |
| 96 (or (boundp (car keywords)) | |
| 97 (set (car keywords) (car keywords))) | |
| 98 (setq keywords (cdr keywords))))))) | |
| 99 | |
| 100 (defconst font-window-system-mappings | |
| 101 '((x . (x-font-create-name x-font-create-object)) | |
| 102 (ns . (ns-font-create-name ns-font-create-object)) | |
| 103 (mswindows . (x-font-create-name x-font-create-object)) ; XXX FIXME | |
| 104 (pm . (x-font-create-name x-font-create-object)) ; Change? FIXME | |
| 105 (tty . (tty-font-create-plist tty-font-create-object))) | |
| 106 "An assoc list mapping device types to the function used to create | |
| 107 a font name from a font structure.") | |
| 108 | |
| 109 (defconst ns-font-weight-mappings | |
| 110 '((:extra-light . "extralight") | |
| 111 (:light . "light") | |
| 112 (:demi-light . "demilight") | |
| 113 (:medium . "medium") | |
| 114 (:normal . "medium") | |
| 115 (:demi-bold . "demibold") | |
| 116 (:bold . "bold") | |
| 117 (:extra-bold . "extrabold")) | |
| 118 "An assoc list mapping keywords to actual NeXTstep specific | |
| 119 information to use") | |
| 120 | |
| 121 (defconst x-font-weight-mappings | |
| 122 '((:extra-light . "extralight") | |
| 123 (:light . "light") | |
| 124 (:demi-light . "demilight") | |
| 125 (:demi . "demi") | |
| 126 (:book . "book") | |
| 127 (:medium . "medium") | |
| 128 (:normal . "medium") | |
| 129 (:demi-bold . "demibold") | |
| 130 (:bold . "bold") | |
| 131 (:extra-bold . "extrabold")) | |
| 132 "An assoc list mapping keywords to actual Xwindow specific strings | |
| 133 for use in the 'weight' field of an X font string.") | |
| 134 | |
| 135 (defconst font-possible-weights | |
| 136 (mapcar 'car x-font-weight-mappings)) | |
| 137 | |
| 138 (defvar font-rgb-file nil | |
| 139 "Where the RGB file was found.") | |
| 140 | |
| 141 (defvar font-maximum-slippage "1pt" | |
| 142 "How much a font is allowed to vary from the desired size.") | |
| 143 | |
| 144 (defvar font-family-mappings | |
| 145 '( | |
| 146 ("serif" . ("new century schoolbook" | |
| 147 "utopia" | |
| 148 "charter" | |
| 149 "times" | |
| 150 "lucidabright" | |
| 151 "garamond" | |
| 152 "palatino" | |
| 153 "times new roman" | |
| 154 "baskerville" | |
| 155 "bookman" | |
| 156 "bodoni" | |
| 157 "computer modern" | |
| 158 "rockwell" | |
| 159 )) | |
| 160 ("sans-serif" . ("lucida" | |
| 161 "helvetica" | |
| 162 "gills-sans" | |
| 163 "avant-garde" | |
| 164 "univers" | |
| 165 "optima")) | |
| 166 ("elfin" . ("tymes")) | |
| 167 ("monospace" . ("courier" | |
| 168 "courier new" | |
| 169 "fixed" | |
| 170 "lucidatypewriter" | |
| 171 "clean" | |
| 172 "terminal")) | |
| 173 ("cursive" . ("sirene" | |
| 174 "zapf chancery")) | |
| 175 ) | |
| 176 "A list of font family mappings.") | |
| 177 | |
| 178 (define-font-keywords :family :style :size :registry :encoding) | |
| 179 | |
| 180 (define-font-keywords | |
| 181 :weight :extra-light :light :demi-light :medium :normal :demi-bold | |
| 182 :bold :extra-bold) | |
| 183 | |
| 184 (defvar font-style-keywords nil) | |
| 185 | |
| 186 (defsubst set-font-family (fontobj family) | |
| 187 (aset fontobj 1 family)) | |
| 188 | |
| 189 (defsubst set-font-weight (fontobj weight) | |
| 190 (aset fontobj 3 weight)) | |
| 191 | |
| 192 (defsubst set-font-style (fontobj style) | |
| 193 (aset fontobj 5 style)) | |
| 194 | |
| 195 (defsubst set-font-size (fontobj size) | |
| 196 (aset fontobj 7 size)) | |
| 197 | |
| 198 (defsubst set-font-registry (fontobj reg) | |
| 199 (aset fontobj 9 reg)) | |
| 200 | |
| 201 (defsubst set-font-encoding (fontobj enc) | |
| 202 (aset fontobj 11 enc)) | |
| 203 | |
| 204 (defsubst font-family (fontobj) | |
| 205 (aref fontobj 1)) | |
| 206 | |
| 207 (defsubst font-weight (fontobj) | |
| 208 (aref fontobj 3)) | |
| 209 | |
| 210 (defsubst font-style (fontobj) | |
| 211 (aref fontobj 5)) | |
| 212 | |
| 213 (defsubst font-size (fontobj) | |
| 214 (aref fontobj 7)) | |
| 215 | |
| 216 (defsubst font-registry (fontobj) | |
| 217 (aref fontobj 9)) | |
| 218 | |
| 219 (defsubst font-encoding (fontobj) | |
| 220 (aref fontobj 11)) | |
| 221 | |
| 222 (eval-when-compile | |
| 223 (defmacro define-new-mask (attr mask) | |
| 224 (` | |
| 225 (progn | |
| 226 (setq font-style-keywords | |
| 227 (cons (cons (quote (, attr)) | |
| 228 (cons | |
| 229 (quote (, (intern (format "set-font-%s-p" attr)))) | |
| 230 (quote (, (intern (format "font-%s-p" attr)))))) | |
| 231 font-style-keywords)) | |
| 232 (defconst (, (intern (format "font-%s-mask" attr))) (<< 1 (, mask)) | |
| 233 (, (format | |
| 234 "Bitmask for whether a font is to be rendered in %s or not." | |
| 235 attr))) | |
| 236 (defun (, (intern (format "font-%s-p" attr))) (fontobj) | |
| 237 (, (format "Whether FONTOBJ will be renderd in `%s' or not." attr)) | |
| 238 (if (/= 0 (& (font-style fontobj) | |
| 239 (, (intern (format "font-%s-mask" attr))))) | |
| 240 t | |
| 241 nil)) | |
| 242 (defun (, (intern (format "set-font-%s-p" attr))) (fontobj val) | |
| 243 (, (format "Set whether FONTOBJ will be renderd in `%s' or not." | |
| 244 attr)) | |
| 245 (cond | |
| 246 (val | |
| 247 (set-font-style fontobj (| (font-style fontobj) | |
| 248 (, (intern | |
| 249 (format "font-%s-mask" attr)))))) | |
| 250 (((, (intern (format "font-%s-p" attr))) fontobj) | |
| 251 (set-font-style fontobj (- (font-style fontobj) | |
| 252 (, (intern | |
| 253 (format "font-%s-mask" attr)))))))) | |
| 254 )))) | |
| 255 | |
| 256 (let ((mask 0)) | |
| 257 (define-new-mask bold (setq mask (1+ mask))) | |
| 258 (define-new-mask italic (setq mask (1+ mask))) | |
| 259 (define-new-mask oblique (setq mask (1+ mask))) | |
| 260 (define-new-mask dim (setq mask (1+ mask))) | |
| 261 (define-new-mask underline (setq mask (1+ mask))) | |
| 262 (define-new-mask overline (setq mask (1+ mask))) | |
| 263 (define-new-mask linethrough (setq mask (1+ mask))) | |
| 264 (define-new-mask strikethru (setq mask (1+ mask))) | |
| 265 (define-new-mask reverse (setq mask (1+ mask))) | |
| 266 (define-new-mask blink (setq mask (1+ mask))) | |
| 267 (define-new-mask smallcaps (setq mask (1+ mask))) | |
| 268 (define-new-mask bigcaps (setq mask (1+ mask))) | |
| 269 (define-new-mask dropcaps (setq mask (1+ mask)))) | |
| 270 | |
| 271 (defvar font-caps-display-table | |
| 272 (let ((table (make-display-table)) | |
| 273 (i 0)) | |
| 274 ;; Standard ASCII characters | |
| 275 (while (< i 26) | |
| 276 (aset table (+ i ?a) (+ i ?A)) | |
| 277 (setq i (1+ i))) | |
| 278 ;; Now ISO translations | |
| 279 (setq i 224) | |
| 280 (while (< i 247) ;; Agrave - Ouml | |
| 281 (aset table i (- i 32)) | |
| 282 (setq i (1+ i))) | |
| 283 (setq i 248) | |
| 284 (while (< i 255) ;; Oslash - Thorn | |
| 285 (aset table i (- i 32)) | |
| 286 (setq i (1+ i))) | |
| 287 table)) | |
| 288 | |
| 289 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 290 ;;; Utility functions | |
| 291 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 292 (defsubst set-font-style-by-keywords (fontobj styles) | |
| 293 (make-local-variable 'font-func) | |
| 294 (declare (special font-func)) | |
| 295 (if (listp styles) | |
| 296 (while styles | |
| 297 (setq font-func (car-safe (cdr-safe (assq (car styles) font-style-keywords))) | |
| 298 styles (cdr styles)) | |
| 299 (and (fboundp font-func) (funcall font-func fontobj t))) | |
| 300 (setq font-func (car-safe (cdr-safe (assq styles font-style-keywords)))) | |
| 301 (and (fboundp font-func) (funcall font-func fontobj t)))) | |
| 302 | |
| 303 (defsubst font-properties-from-style (fontobj) | |
| 304 (let ((style (font-style fontobj)) | |
| 305 (todo font-style-keywords) | |
| 306 type func retval) | |
| 307 (while todo | |
| 308 (setq func (cdr (cdr (car todo))) | |
| 309 type (car (pop todo))) | |
| 310 (if (funcall func fontobj) | |
| 311 (setq retval (cons type retval)))) | |
| 312 retval)) | |
| 313 | |
| 314 (defun font-unique (list) | |
| 315 (let ((retval) | |
| 316 (cur)) | |
| 317 (while list | |
| 318 (setq cur (car list) | |
| 319 list (cdr list)) | |
| 320 (if (member cur retval) | |
| 321 nil | |
| 322 (setq retval (cons cur retval)))) | |
| 323 (nreverse retval))) | |
| 324 | |
| 325 (defun font-higher-weight (w1 w2) | |
| 326 (let ((index1 (length (memq w1 font-possible-weights))) | |
| 327 (index2 (length (memq w2 font-possible-weights)))) | |
| 328 (cond | |
| 329 ((<= index1 index2) | |
| 330 (or w1 w2)) | |
| 331 ((not w2) | |
| 332 w1) | |
| 333 (t | |
| 334 w2)))) | |
| 335 | |
| 336 (defun font-spatial-to-canonical (spec &optional device) | |
| 337 "Convert SPEC (in inches, millimeters, points, or picas) into points" | |
| 338 ;; 1 in = 6 pa = 25.4 mm = 72 pt | |
| 339 (cond | |
| 340 ((numberp spec) | |
| 341 spec) | |
| 342 ((null spec) | |
| 343 nil) | |
| 344 (t | |
| 345 (let ((num nil) | |
| 346 (type nil) | |
| 347 ;; If for any reason we get null for any of this, default | |
| 348 ;; to 1024x768 resolution on a 17" screen | |
| 349 (pix-width (float (or (device-pixel-width device) 1024))) | |
| 350 (mm-width (float (or (device-mm-width device) 293))) | |
| 351 (retval nil)) | |
| 352 (cond | |
| 353 ((string-match "^ *\\([-+*/]\\) *" spec) ; math! whee! | |
| 354 (let ((math-func (intern (match-string 1 spec))) | |
| 355 (other (font-spatial-to-canonical | |
| 356 (substring spec (match-end 0) nil))) | |
| 357 (default (font-spatial-to-canonical | |
| 358 (font-default-size-for-device device)))) | |
| 359 (if (fboundp math-func) | |
| 360 (setq type "px" | |
| 361 spec (int-to-string (funcall math-func default other))) | |
| 362 (setq type "px" | |
| 363 spec (int-to-string other))))) | |
| 364 ((string-match "[^0-9.]+$" spec) | |
| 365 (setq type (substring spec (match-beginning 0)) | |
| 366 spec (substring spec 0 (match-beginning 0)))) | |
| 367 (t | |
| 368 (setq type "px" | |
| 369 spec spec))) | |
| 370 (setq num (string-to-number spec)) | |
| 371 (cond | |
| 372 ((member type '("pixel" "px" "pix")) | |
| 373 (setq retval (* num (/ pix-width mm-width) (/ 25.4 72.0)))) | |
| 374 ((member type '("point" "pt")) | |
| 375 (setq retval num)) | |
| 376 ((member type '("pica" "pa")) | |
| 377 (setq retval (* num 12.0))) | |
| 378 ((member type '("inch" "in")) | |
| 379 (setq retval (* num 72.0))) | |
| 380 ((string= type "mm") | |
| 381 (setq retval (* num (/ 72.0 25.4)))) | |
| 382 ((string= type "cm") | |
| 383 (setq retval (* num 10 (/ 72.0 25.4)))) | |
| 384 (t | |
| 385 (setq retval num)) | |
| 386 ) | |
| 387 retval)))) | |
| 388 | |
| 389 | |
| 390 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 391 ;;; The main interface routines - constructors and accessor functions | |
| 392 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 393 (defun make-font (&rest args) | |
| 394 (vector :family | |
| 395 (if (stringp (plist-get args :family)) | |
| 396 (list (plist-get args :family)) | |
| 397 (plist-get args :family)) | |
| 398 :weight | |
| 399 (plist-get args :weight) | |
| 400 :style | |
| 401 (if (numberp (plist-get args :style)) | |
| 402 (plist-get args :style) | |
| 403 0) | |
| 404 :size | |
| 405 (plist-get args :size) | |
| 406 :registry | |
| 407 (plist-get args :registry) | |
| 408 :encoding | |
| 409 (plist-get args :encoding))) | |
| 410 | |
| 411 (defun font-create-name (fontobj &optional device) | |
| 412 (let* ((type (device-type device)) | |
| 413 (func (car (cdr-safe (assq type font-window-system-mappings))))) | |
| 414 (and func (fboundp func) (funcall func fontobj device)))) | |
| 415 | |
| 416 ;;;###autoload | |
| 417 (defun font-create-object (fontname &optional device) | |
| 418 (let* ((type (device-type device)) | |
| 419 (func (car (cdr (cdr-safe (assq type font-window-system-mappings)))))) | |
| 420 (and func (fboundp func) (funcall func fontname device)))) | |
| 421 | |
| 422 (defun font-combine-fonts-internal (fontobj-1 fontobj-2) | |
| 423 (let ((retval (make-font)) | |
| 424 (size-1 (and (font-size fontobj-1) | |
| 425 (font-spatial-to-canonical (font-size fontobj-1)))) | |
| 426 (size-2 (and (font-size fontobj-2) | |
| 427 (font-spatial-to-canonical (font-size fontobj-2))))) | |
| 428 (set-font-weight retval (font-higher-weight (font-weight fontobj-1) | |
| 429 (font-weight fontobj-2))) | |
| 430 (set-font-family retval (font-unique (append (font-family fontobj-1) | |
| 431 (font-family fontobj-2)))) | |
| 432 (set-font-style retval (| (font-style fontobj-1) (font-style fontobj-2))) | |
| 433 (set-font-registry retval (or (font-registry fontobj-1) | |
| 434 (font-registry fontobj-2))) | |
| 435 (set-font-encoding retval (or (font-encoding fontobj-1) | |
| 436 (font-encoding fontobj-2))) | |
| 437 (set-font-size retval (cond | |
| 438 ((and size-1 size-2 (>= size-2 size-1)) | |
| 439 (font-size fontobj-2)) | |
| 440 ((and size-1 size-2) | |
| 441 (font-size fontobj-1)) | |
| 442 (size-1 | |
| 443 (font-size fontobj-1)) | |
| 444 (size-2 | |
| 445 (font-size fontobj-2)) | |
| 446 (t nil))) | |
| 447 | |
| 448 retval)) | |
| 449 | |
| 450 (defun font-combine-fonts (&rest args) | |
| 451 (cond | |
| 452 ((null args) | |
| 453 (error "Wrong number of arguments to font-combine-fonts")) | |
| 454 ((= (length args) 1) | |
| 455 (car args)) | |
| 456 (t | |
| 457 (let ((retval (font-combine-fonts-internal (nth 0 args) (nth 1 args)))) | |
| 458 (setq args (cdr (cdr args))) | |
| 459 (while args | |
| 460 (setq retval (font-combine-fonts-internal retval (car args)) | |
| 461 args (cdr args))) | |
| 462 retval)))) | |
| 463 | |
| 464 | |
| 465 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 466 ;;; The window-system dependent code (TTY-style) | |
| 467 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 468 (defun tty-font-create-object (fontname &optional device) | |
| 469 (make-font :size "12pt")) | |
| 470 | |
| 471 (defun tty-font-create-plist (fontobj &optional device) | |
| 472 (let ((styles (font-style fontobj)) | |
| 473 (weight (font-weight fontobj))) | |
| 474 (list | |
| 475 (cons 'underline (font-underline-p fontobj)) | |
| 476 (cons 'highlight (if (or (font-bold-p fontobj) | |
| 477 (memq weight '(:bold :demi-bold))) t)) | |
| 478 (cons 'dim (font-dim-p fontobj)) | |
| 479 (cons 'blinking (font-blink-p fontobj)) | |
| 480 (cons 'reverse (font-reverse-p fontobj))))) | |
| 481 | |
| 482 | |
| 483 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 484 ;;; The window-system dependent code (X-style) | |
| 485 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 486 (defvar font-x-font-regexp (or (and font-running-xemacs | |
| 487 (boundp 'x-font-regexp) | |
| 488 x-font-regexp) | |
| 489 (let | |
| 490 ((- "[-?]") | |
| 491 (foundry "[^-]*") | |
| 492 (family "[^-]*") | |
| 493 (weight "\\(bold\\|demibold\\|medium\\|black\\)") | |
| 494 (weight\? "\\([^-]*\\)") | |
| 495 (slant "\\([ior]\\)") | |
| 496 (slant\? "\\([^-]?\\)") | |
| 497 (swidth "\\([^-]*\\)") | |
| 498 (adstyle "\\([^-]*\\)") | |
| 499 (pixelsize "\\(\\*\\|[0-9]+\\)") | |
| 500 (pointsize "\\(\\*\\|0\\|[0-9][0-9]+\\)") | |
| 501 (resx "\\([*0]\\|[0-9][0-9]+\\)") | |
| 502 (resy "\\([*0]\\|[0-9][0-9]+\\)") | |
| 503 (spacing "[cmp?*]") | |
| 504 (avgwidth "\\(\\*\\|[0-9]+\\)") | |
| 505 (registry "[^-]*") | |
| 506 (encoding "[^-]+") | |
| 507 ) | |
| 508 (concat "\\`\\*?[-?*]" | |
| 509 foundry - family - weight\? - slant\? - swidth - adstyle - | |
| 510 pixelsize - pointsize - resx - resy - spacing - avgwidth - | |
| 511 registry - encoding "\\'" | |
| 512 )))) | |
| 513 | |
| 514 (defvar font-x-registry-and-encoding-regexp | |
| 515 (or (and font-running-xemacs | |
| 516 (boundp 'x-font-regexp-registry-and-encoding) | |
| 517 (symbol-value 'x-font-regexp-registry-and-encoding)) | |
| 518 (let ((- "[-?]") | |
| 519 (registry "[^-]*") | |
| 520 (encoding "[^-]+")) | |
| 521 (concat - "\\(" registry "\\)" - "\\(" encoding "\\)\\'")))) | |
| 522 | |
| 523 (defun x-font-create-object (fontname &optional device) | |
| 524 (let ((case-fold-search t)) | |
| 525 (if (or (not (stringp fontname)) | |
| 526 (not (string-match font-x-font-regexp fontname))) | |
| 527 (make-font) | |
| 528 (let ((family nil) | |
| 529 (style nil) | |
| 530 (size nil) | |
| 531 (weight (match-string 1 fontname)) | |
| 532 (slant (match-string 2 fontname)) | |
| 533 (swidth (match-string 3 fontname)) | |
| 534 (adstyle (match-string 4 fontname)) | |
| 535 (pxsize (match-string 5 fontname)) | |
| 536 (ptsize (match-string 6 fontname)) | |
| 537 (retval nil) | |
| 538 (case-fold-search t) | |
| 539 ) | |
| 540 (if (not (string-match x-font-regexp-foundry-and-family fontname)) | |
| 541 nil | |
| 542 (setq family (list (downcase (match-string 1 fontname))))) | |
| 543 (if (string= "*" weight) (setq weight nil)) | |
| 544 (if (string= "*" slant) (setq slant nil)) | |
| 545 (if (string= "*" swidth) (setq swidth nil)) | |
| 546 (if (string= "*" adstyle) (setq adstyle nil)) | |
| 547 (if (string= "*" pxsize) (setq pxsize nil)) | |
| 548 (if (string= "*" ptsize) (setq ptsize nil)) | |
| 549 (if ptsize (setq size (/ (string-to-int ptsize) 10))) | |
| 550 (if (and (not size) pxsize) (setq size (concat pxsize "px"))) | |
| 551 (if weight (setq weight (intern-soft (concat ":" (downcase weight))))) | |
| 552 (if (and adstyle (not (equal adstyle ""))) | |
| 553 (setq family (append family (list (downcase adstyle))))) | |
| 554 (setq retval (make-font :family family | |
| 555 :weight weight | |
| 556 :size size)) | |
| 557 (set-font-bold-p retval (eq :bold weight)) | |
| 558 (cond | |
| 559 ((null slant) nil) | |
| 560 ((member slant '("i" "I")) | |
| 561 (set-font-italic-p retval t)) | |
| 562 ((member slant '("o" "O")) | |
| 563 (set-font-oblique-p retval t))) | |
| 564 (if (string-match font-x-registry-and-encoding-regexp fontname) | |
| 565 (progn | |
| 566 (set-font-registry retval (match-string 1 fontname)) | |
| 567 (set-font-encoding retval (match-string 2 fontname)))) | |
| 568 retval)))) | |
| 569 | |
| 570 (defun x-font-families-for-device (&optional device no-resetp) | |
| 571 (condition-case () | |
| 572 (require 'x-font-menu) | |
| 573 (error nil)) | |
| 574 (or device (setq device (selected-device))) | |
| 575 (if (boundp 'device-fonts-cache) | |
| 576 (let ((menu (or (cdr-safe (assq device device-fonts-cache))))) | |
| 577 (if (and (not menu) (not no-resetp)) | |
| 578 (progn | |
| 579 (reset-device-font-menus device) | |
| 580 (x-font-families-for-device device t)) | |
| 581 (let ((scaled (mapcar (function (lambda (x) (if x (aref x 0)))) | |
| 582 (aref menu 0))) | |
| 583 (normal (mapcar (function (lambda (x) (if x (aref x 0)))) | |
| 584 (aref menu 1)))) | |
| 585 (sort (font-unique (nconc scaled normal)) 'string-lessp)))) | |
| 586 (cons "monospace" (mapcar 'car font-family-mappings)))) | |
| 587 | |
| 588 (defvar font-default-cache nil) | |
| 589 | |
| 590 ;;;###autoload | |
| 591 (defun font-default-font-for-device (&optional device) | |
| 592 (or device (setq device (selected-device))) | |
| 593 (if font-running-xemacs | |
| 594 (font-truename | |
| 595 (make-font-specifier | |
| 596 (face-font-name 'default device))) | |
| 597 (let ((font (cdr-safe (assq 'font (frame-parameters device))))) | |
| 598 (if (and (fboundp 'fontsetp) (fontsetp font)) | |
| 599 (aref (get-font-info (aref (cdr (get-fontset-info font)) 0)) 2) | |
| 600 font)))) | |
| 601 | |
| 602 ;;;###autoload | |
| 603 (defun font-default-object-for-device (&optional device) | |
| 604 (let ((font (font-default-font-for-device device))) | |
| 605 (or (cdr-safe | |
| 606 (assoc font font-default-cache)) | |
| 607 (progn | |
| 608 (setq font-default-cache (cons (cons font | |
| 609 (font-create-object font)) | |
| 610 font-default-cache)) | |
| 611 (cdr-safe (assoc font font-default-cache)))))) | |
| 612 | |
| 613 ;;;###autoload | |
| 614 (defun font-default-family-for-device (&optional device) | |
| 615 (or device (setq device (selected-device))) | |
| 616 (font-family (font-default-object-for-device device))) | |
| 617 | |
| 618 ;;;###autoload | |
| 619 (defun font-default-registry-for-device (&optional device) | |
| 620 (or device (setq device (selected-device))) | |
| 621 (font-registry (font-default-object-for-device device))) | |
| 622 | |
| 623 ;;;###autoload | |
| 624 (defun font-default-encoding-for-device (&optional device) | |
| 625 (or device (setq device (selected-device))) | |
| 626 (font-encoding (font-default-object-for-device device))) | |
| 627 | |
| 628 ;;;###autoload | |
| 629 (defun font-default-size-for-device (&optional device) | |
| 630 (or device (setq device (selected-device))) | |
| 631 ;; face-height isn't the right thing (always 1 pixel too high?) | |
| 632 ;; (if font-running-xemacs | |
| 633 ;; (format "%dpx" (face-height 'default device)) | |
| 634 (font-size (font-default-object-for-device device))) | |
| 635 | |
| 636 (defun x-font-create-name (fontobj &optional device) | |
| 637 (if (and (not (or (font-family fontobj) | |
| 638 (font-weight fontobj) | |
| 639 (font-size fontobj) | |
| 640 (font-registry fontobj) | |
| 641 (font-encoding fontobj))) | |
| 642 (= (font-style fontobj) 0)) | |
| 643 (face-font 'default) | |
| 644 (or device (setq device (selected-device))) | |
| 645 (let* ((default (font-default-object-for-device device)) | |
| 646 (family (or (font-family fontobj) | |
| 647 (font-family default) | |
| 648 (x-font-families-for-device device))) | |
| 649 (weight (or (font-weight fontobj) :medium)) | |
| 650 (style (font-style fontobj)) | |
| 651 (size (or (if font-running-xemacs | |
| 652 (font-size fontobj)) | |
| 653 (font-size default))) | |
| 654 (registry (or (font-registry fontobj) | |
| 655 (font-registry default) | |
| 656 "*")) | |
| 657 (encoding (or (font-encoding fontobj) | |
| 658 (font-encoding default) | |
| 659 "*"))) | |
| 660 (if (stringp family) | |
| 661 (setq family (list family))) | |
| 662 (setq weight (font-higher-weight weight | |
| 663 (and (font-bold-p fontobj) :bold))) | |
| 664 (if (stringp size) | |
| 665 (setq size (truncate (font-spatial-to-canonical size device)))) | |
| 666 (setq weight (or (cdr-safe (assq weight x-font-weight-mappings)) "*")) | |
| 667 (let ((done nil) ; Did we find a good font yet? | |
| 668 (font-name nil) ; font name we are currently checking | |
| 669 (cur-family nil) ; current family we are checking | |
| 670 ) | |
| 671 (while (and family (not done)) | |
| 672 (setq cur-family (car family) | |
| 673 family (cdr family)) | |
| 674 (if (assoc cur-family font-family-mappings) | |
| 675 ;; If the family name is an alias as defined by | |
| 676 ;; font-family-mappings, then append those families | |
| 677 ;; to the front of 'family' and continue in the loop. | |
| 678 (setq family (append | |
| 679 (cdr-safe (assoc cur-family | |
| 680 font-family-mappings)) | |
| 681 family)) | |
| 682 ;; Not an alias for a list of fonts, so we just check it. | |
| 683 ;; First, convert all '-' to spaces so that we don't screw up | |
| 684 ;; the oh-so wonderful X font model. Wheee. | |
| 685 (let ((x (length cur-family))) | |
| 686 (while (> x 0) | |
| 687 (if (= ?- (aref cur-family (1- x))) | |
| 688 (aset cur-family (1- x) ? )) | |
| 689 (setq x (1- x)))) | |
| 690 ;; We treat oblique and italic as equivalent. Don't ask. | |
| 691 (let ((slants '("o" "i"))) | |
| 692 (while (and slants (not done)) | |
| 693 (setq font-name (format "-*-%s-%s-%s-*-*-*-%s-*-*-*-*-%s-%s" | |
| 694 cur-family weight | |
| 695 (if (or (font-italic-p fontobj) | |
| 696 (font-oblique-p fontobj)) | |
| 697 (car slants) | |
| 698 "r") | |
| 699 (if size | |
| 700 (int-to-string (* 10 size)) "*") | |
| 701 registry | |
| 702 encoding | |
| 703 ) | |
| 704 slants (cdr slants) | |
| 705 done (try-font-name font-name device)))))) | |
| 706 (if done font-name))))) | |
| 707 | |
| 708 | |
| 709 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 710 ;;; The window-system dependent code (NS-style) | |
| 711 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 712 (defun ns-font-families-for-device (&optional device no-resetp) | |
| 713 ;; For right now, assume we are going to have the same storage for | |
| 714 ;; device fonts for NS as we do for X. Is this a valid assumption? | |
| 715 (or device (setq device (selected-device))) | |
| 716 (if (boundp 'device-fonts-cache) | |
| 717 (let ((menu (or (cdr-safe (assq device device-fonts-cache))))) | |
| 718 (if (and (not menu) (not no-resetp)) | |
| 719 (progn | |
| 720 (reset-device-font-menus device) | |
| 721 (ns-font-families-for-device device t)) | |
| 722 (let ((scaled (mapcar (function (lambda (x) (if x (aref x 0)))) | |
| 723 (aref menu 0))) | |
| 724 (normal (mapcar (function (lambda (x) (if x (aref x 0)))) | |
| 725 (aref menu 1)))) | |
| 726 (sort (font-unique (nconc scaled normal)) 'string-lessp)))))) | |
| 727 | |
| 728 (defun ns-font-create-name (fontobj &optional device) | |
| 729 (let ((family (or (font-family fontobj) | |
| 730 (ns-font-families-for-device device))) | |
| 731 (weight (or (font-weight fontobj) :medium)) | |
| 732 (style (or (font-style fontobj) (list :normal))) | |
| 733 (size (font-size fontobj)) | |
| 734 (registry (or (font-registry fontobj) "*")) | |
| 735 (encoding (or (font-encoding fontobj) "*"))) | |
| 736 ;; Create a font, wow! | |
| 737 (if (stringp family) | |
| 738 (setq family (list family))) | |
| 739 (if (or (symbolp style) (numberp style)) | |
| 740 (setq style (list style))) | |
| 741 (setq weight (font-higher-weight weight (car-safe (memq :bold style)))) | |
| 742 (if (stringp size) | |
| 743 (setq size (font-spatial-to-canonical size device))) | |
| 744 (setq weight (or (cdr-safe (assq weight ns-font-weight-mappings)) | |
| 745 "medium")) | |
| 746 (let ((done nil) ; Did we find a good font yet? | |
| 747 (font-name nil) ; font name we are currently checking | |
| 748 (cur-family nil) ; current family we are checking | |
| 749 ) | |
| 750 (while (and family (not done)) | |
| 751 (setq cur-family (car family) | |
| 752 family (cdr family)) | |
| 753 (if (assoc cur-family font-family-mappings) | |
| 754 ;; If the family name is an alias as defined by | |
| 755 ;; font-family-mappings, then append those families | |
| 756 ;; to the front of 'family' and continue in the loop. | |
| 757 (setq family (append | |
| 758 (cdr-safe (assoc cur-family | |
| 759 font-family-mappings)) | |
| 760 family)) | |
| 761 ;; CARL: Need help here - I am not familiar with the NS font | |
| 762 ;; model | |
| 763 (setq font-name "UNKNOWN FORMULA GOES HERE" | |
| 764 done (try-font-name font-name device)))) | |
| 765 (if done font-name)))) | |
| 766 | |
| 767 | |
| 768 ;;; Cache building code | |
| 769 ;;;###autoload | |
| 770 (defun x-font-build-cache (&optional device) | |
| 771 (let ((hashtable (make-hash-table :test 'equal :size 15)) | |
| 772 (fonts (mapcar 'x-font-create-object | |
| 773 (x-list-fonts "-*-*-*-*-*-*-*-*-*-*-*-*-*-*"))) | |
| 774 (plist nil) | |
| 775 (cur nil)) | |
| 776 (while fonts | |
| 777 (setq cur (car fonts) | |
| 778 fonts (cdr fonts) | |
| 779 plist (cl-gethash (car (font-family cur)) hashtable)) | |
| 780 (if (not (memq (font-weight cur) (plist-get plist 'weights))) | |
| 781 (setq plist (plist-put plist 'weights (cons (font-weight cur) | |
| 782 (plist-get plist 'weights))))) | |
| 783 (if (not (member (font-size cur) (plist-get plist 'sizes))) | |
| 784 (setq plist (plist-put plist 'sizes (cons (font-size cur) | |
| 785 (plist-get plist 'sizes))))) | |
| 786 (if (and (font-oblique-p cur) | |
| 787 (not (memq 'oblique (plist-get plist 'styles)))) | |
| 788 (setq plist (plist-put plist 'styles (cons 'oblique (plist-get plist 'styles))))) | |
| 789 (if (and (font-italic-p cur) | |
| 790 (not (memq 'italic (plist-get plist 'styles)))) | |
| 791 (setq plist (plist-put plist 'styles (cons 'italic (plist-get plist 'styles))))) | |
| 792 (cl-puthash (car (font-family cur)) plist hashtable)) | |
| 793 hashtable)) | |
| 794 | |
| 795 | |
| 796 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 797 ;;; Now overwrite the original copy of set-face-font with our own copy that | |
| 798 ;;; can deal with either syntax. | |
| 799 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 800 ;;; ###autoload | |
| 801 (defun font-set-face-font (&optional face font &rest args) | |
| 802 (cond | |
| 803 ((and (vectorp font) (= (length font) 12)) | |
| 804 (let ((font-name (font-create-name font))) | |
| 805 (set-face-property face 'font-specification font) | |
| 806 (cond | |
| 807 ((null font-name) ; No matching font! | |
| 808 nil) | |
| 809 ((listp font-name) ; For TTYs | |
| 810 (let (cur) | |
| 811 (while font-name | |
| 812 (setq cur (car font-name) | |
| 813 font-name (cdr font-name)) | |
| 814 (apply 'set-face-property face (car cur) (cdr cur) args)))) | |
| 815 (font-running-xemacs | |
| 816 (apply 'set-face-font face font-name args) | |
| 817 (apply 'set-face-underline-p face (font-underline-p font) args) | |
| 818 (if (and (or (font-smallcaps-p font) (font-bigcaps-p font)) | |
| 819 (fboundp 'set-face-display-table)) | |
| 820 (apply 'set-face-display-table | |
| 821 face font-caps-display-table args)) | |
| 822 (apply 'set-face-property face 'strikethru (or | |
| 823 (font-linethrough-p font) | |
| 824 (font-strikethru-p font)) | |
| 825 args)) | |
| 826 (t | |
| 827 (condition-case nil | |
| 828 (apply 'set-face-font face font-name args) | |
| 829 (error | |
| 830 (let ((args (car-safe args))) | |
| 831 (and (or (font-bold-p font) | |
| 832 (memq (font-weight font) '(:bold :demi-bold))) | |
| 833 (make-face-bold face args t)) | |
| 834 (and (font-italic-p font) (make-face-italic face args t))))) | |
| 835 (apply 'set-face-underline-p face (font-underline-p font) args))))) | |
| 836 (t | |
| 837 ;; Let the original set-face-font signal any errors | |
| 838 (set-face-property face 'font-specification nil) | |
| 839 (apply 'set-face-font face font args)))) | |
| 840 | |
| 841 | |
| 842 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 843 ;;; Now for emacsen specific stuff | |
| 844 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 845 (defun font-update-device-fonts (device) | |
| 846 ;; Update all faces that were created with the 'font' package | |
| 847 ;; to appear correctly on the new device. This should be in the | |
| 848 ;; create-device-hook. This is XEmacs 19.12+ specific | |
| 849 (let ((faces (face-list 2)) | |
| 850 (cur nil) | |
| 851 (font nil) | |
| 852 (font-spec nil)) | |
| 853 (while faces | |
| 854 (setq cur (car faces) | |
| 855 faces (cdr faces) | |
| 856 font-spec (face-property cur 'font-specification)) | |
| 857 (if font-spec | |
| 858 (set-face-font cur font-spec device))))) | |
| 859 | |
| 860 (defun font-update-one-face (face &optional device-list) | |
| 861 ;; Update FACE on all devices in DEVICE-LIST | |
| 862 ;; DEVICE_LIST defaults to a list of all active devices | |
| 863 (setq device-list (or device-list (device-list))) | |
| 864 (if (devicep device-list) | |
| 865 (setq device-list (list device-list))) | |
| 866 (let* ((cur-device nil) | |
| 867 (font-spec (face-property face 'font-specification)) | |
| 868 (font nil)) | |
| 869 (if (not font-spec) | |
| 870 ;; Hey! Don't mess with fonts we didn't create in the | |
| 871 ;; first place. | |
| 872 nil | |
| 873 (while device-list | |
| 874 (setq cur-device (car device-list) | |
| 875 device-list (cdr device-list)) | |
| 876 (if (not (device-live-p cur-device)) | |
| 877 ;; Whoah! | |
| 878 nil | |
| 879 (if font-spec | |
| 880 (set-face-font face font-spec cur-device))))))) | |
| 881 | |
| 882 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 883 ;;; Various color related things | |
| 884 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 885 (cond | |
| 886 ((fboundp 'display-warning) | |
| 887 (fset 'font-warn 'display-warning)) | |
| 888 ((fboundp 'w3-warn) | |
| 889 (fset 'font-warn 'w3-warn)) | |
| 890 ((fboundp 'url-warn) | |
| 891 (fset 'font-warn 'url-warn)) | |
| 892 ((fboundp 'warn) | |
| 893 (defun font-warn (class message &optional level) | |
| 894 (warn "(%s/%s) %s" class (or level 'warning) message))) | |
| 895 (t | |
| 896 (defun font-warn (class message &optional level) | |
| 897 (save-excursion | |
| 898 (set-buffer (get-buffer-create "*W3-WARNINGS*")) | |
| 899 (goto-char (point-max)) | |
| 900 (save-excursion | |
| 901 (insert (format "(%s/%s) %s\n" class (or level 'warning) message))) | |
| 902 (display-buffer (current-buffer)))))) | |
| 903 | |
| 904 (defun font-lookup-rgb-components (color) | |
| 905 "Lookup COLOR (a color name) in rgb.txt and return a list of RGB values. | |
| 906 The list (R G B) is returned, or an error is signaled if the lookup fails." | |
| 907 (let ((lib-list (if (boundp 'x-library-search-path) | |
| 908 x-library-search-path | |
| 909 ;; This default is from XEmacs 19.13 - hope it covers | |
| 910 ;; everyone. | |
| 911 (list "/usr/X11R6/lib/X11/" | |
| 912 "/usr/X11R5/lib/X11/" | |
| 913 "/usr/lib/X11R6/X11/" | |
| 914 "/usr/lib/X11R5/X11/" | |
| 915 "/usr/local/X11R6/lib/X11/" | |
| 916 "/usr/local/X11R5/lib/X11/" | |
| 917 "/usr/local/lib/X11R6/X11/" | |
| 918 "/usr/local/lib/X11R5/X11/" | |
| 919 "/usr/X11/lib/X11/" | |
| 920 "/usr/lib/X11/" | |
| 921 "/usr/local/lib/X11/" | |
| 922 "/usr/X386/lib/X11/" | |
| 923 "/usr/x386/lib/X11/" | |
| 924 "/usr/XFree86/lib/X11/" | |
| 925 "/usr/unsupported/lib/X11/" | |
| 926 "/usr/athena/lib/X11/" | |
| 927 "/usr/local/x11r5/lib/X11/" | |
| 928 "/usr/lpp/Xamples/lib/X11/" | |
| 929 "/usr/openwin/lib/X11/" | |
| 930 "/usr/openwin/share/lib/X11/"))) | |
| 931 (file font-rgb-file) | |
| 932 r g b) | |
| 933 (if (not file) | |
| 934 (while lib-list | |
| 935 (setq file (expand-file-name "rgb.txt" (car lib-list))) | |
| 936 (if (file-readable-p file) | |
| 937 (setq lib-list nil | |
| 938 font-rgb-file file) | |
| 939 (setq lib-list (cdr lib-list) | |
| 940 file nil)))) | |
| 941 (if (null file) | |
| 942 (list 0 0 0) | |
| 943 (save-excursion | |
| 944 (set-buffer (find-file-noselect file)) | |
| 945 (if (not (= (aref (buffer-name) 0) ? )) | |
| 946 (rename-buffer (generate-new-buffer-name " *rgb-tmp-buffer*"))) | |
| 947 (save-excursion | |
| 948 (save-restriction | |
| 949 (widen) | |
| 950 (goto-char (point-min)) | |
| 951 (if (re-search-forward (format "\t%s$" (regexp-quote color)) nil t) | |
| 952 (progn | |
| 953 (beginning-of-line) | |
| 954 (setq r (* (read (current-buffer)) 256) | |
| 955 g (* (read (current-buffer)) 256) | |
| 956 b (* (read (current-buffer)) 256))) | |
| 957 (font-warn 'color (format "No such color: %s" color)) | |
| 958 (setq r 0 | |
| 959 g 0 | |
| 960 b 0)) | |
| 961 (list r g b) )))))) | |
| 962 | |
| 963 (defun font-hex-string-to-number (string) | |
| 964 "Convert STRING to an integer by parsing it as a hexadecimal number." | |
| 965 (let ((conv-list '((?0 . 0) (?a . 10) (?A . 10) | |
| 966 (?1 . 1) (?b . 11) (?B . 11) | |
| 967 (?2 . 2) (?c . 12) (?C . 12) | |
| 968 (?3 . 3) (?d . 13) (?D . 13) | |
| 969 (?4 . 4) (?e . 14) (?E . 14) | |
| 970 (?5 . 5) (?f . 15) (?F . 15) | |
| 971 (?6 . 6) | |
| 972 (?7 . 7) | |
| 973 (?8 . 8) | |
| 974 (?9 . 9))) | |
| 975 (n 0) | |
| 976 (i 0) | |
| 977 (lim (length string))) | |
| 978 (while (< i lim) | |
| 979 (setq n (+ (* n 16) (or (cdr (assq (aref string i) conv-list)) 0)) | |
| 980 i (1+ i))) | |
| 981 n )) | |
| 982 | |
| 983 (defun font-parse-rgb-components (color) | |
| 984 "Parse RGB color specification and return a list of integers (R G B). | |
| 985 #FEFEFE and rgb:fe/fe/fe style specifications are parsed." | |
| 986 (let ((case-fold-search t) | |
| 987 r g b str) | |
| 988 (cond ((string-match "^#[0-9a-f]+$" color) | |
| 989 (cond | |
| 990 ((= (length color) 4) | |
| 991 (setq r (font-hex-string-to-number (substring color 1 2)) | |
| 992 g (font-hex-string-to-number (substring color 2 3)) | |
| 993 b (font-hex-string-to-number (substring color 3 4)) | |
| 994 r (* r 4096) | |
| 995 g (* g 4096) | |
| 996 b (* b 4096))) | |
| 997 ((= (length color) 7) | |
| 998 (setq r (font-hex-string-to-number (substring color 1 3)) | |
| 999 g (font-hex-string-to-number (substring color 3 5)) | |
| 1000 b (font-hex-string-to-number (substring color 5 7)) | |
| 1001 r (* r 256) | |
| 1002 g (* g 256) | |
| 1003 b (* b 256))) | |
| 1004 ((= (length color) 10) | |
| 1005 (setq r (font-hex-string-to-number (substring color 1 4)) | |
| 1006 g (font-hex-string-to-number (substring color 4 7)) | |
| 1007 b (font-hex-string-to-number (substring color 7 10)) | |
| 1008 r (* r 16) | |
| 1009 g (* g 16) | |
| 1010 b (* b 16))) | |
| 1011 ((= (length color) 13) | |
| 1012 (setq r (font-hex-string-to-number (substring color 1 5)) | |
| 1013 g (font-hex-string-to-number (substring color 5 9)) | |
| 1014 b (font-hex-string-to-number (substring color 9 13)))) | |
| 1015 (t | |
| 1016 (font-warn 'color (format "Invalid RGB color specification: %s" | |
| 1017 color)) | |
| 1018 (setq r 0 | |
| 1019 g 0 | |
| 1020 b 0)))) | |
| 1021 ((string-match "rgb:\\([0-9a-f]+\\)/\\([0-9a-f]+\\)/\\([0-9a-f]+\\)" | |
| 1022 color) | |
| 1023 (if (or (> (- (match-end 1) (match-beginning 1)) 4) | |
| 1024 (> (- (match-end 2) (match-beginning 2)) 4) | |
| 1025 (> (- (match-end 3) (match-beginning 3)) 4)) | |
| 1026 (error "Invalid RGB color specification: %s" color) | |
| 1027 (setq str (match-string 1 color) | |
| 1028 r (* (font-hex-string-to-number str) | |
| 1029 (expt 16 (- 4 (length str)))) | |
| 1030 str (match-string 2 color) | |
| 1031 g (* (font-hex-string-to-number str) | |
| 1032 (expt 16 (- 4 (length str)))) | |
| 1033 str (match-string 3 color) | |
| 1034 b (* (font-hex-string-to-number str) | |
| 1035 (expt 16 (- 4 (length str))))))) | |
| 1036 (t | |
| 1037 (font-warn 'html (format "Invalid RGB color specification: %s" | |
| 1038 color)) | |
| 1039 (setq r 0 | |
| 1040 g 0 | |
| 1041 b 0))) | |
| 1042 (list r g b) )) | |
| 1043 | |
| 1044 (defsubst font-rgb-color-p (obj) | |
| 1045 (or (and (vectorp obj) | |
| 1046 (= (length obj) 4) | |
| 1047 (eq (aref obj 0) 'rgb)))) | |
| 1048 | |
| 1049 (defsubst font-rgb-color-red (obj) (aref obj 1)) | |
| 1050 (defsubst font-rgb-color-green (obj) (aref obj 2)) | |
| 1051 (defsubst font-rgb-color-blue (obj) (aref obj 3)) | |
| 1052 | |
| 1053 (defun font-color-rgb-components (color) | |
| 1054 "Return the RGB components of COLOR as a list of integers (R G B). | |
| 1055 16-bit values are always returned. | |
| 1056 #FEFEFE and rgb:fe/fe/fe style color specifications are parsed directly | |
| 1057 into their components. | |
| 1058 RGB values for color names are looked up in the rgb.txt file. | |
| 1059 The variable x-library-search-path is use to locate the rgb.txt file." | |
| 1060 (let ((case-fold-search t)) | |
| 1061 (cond | |
| 1062 ((and (font-rgb-color-p color) (floatp (aref color 1))) | |
| 1063 (list (* 65535 (aref color 0)) | |
| 1064 (* 65535 (aref color 1)) | |
| 1065 (* 65535 (aref color 2)))) | |
| 1066 ((font-rgb-color-p color) | |
| 1067 (list (font-rgb-color-red color) | |
| 1068 (font-rgb-color-green color) | |
| 1069 (font-rgb-color-blue color))) | |
| 1070 ((and (vectorp color) (= 3 (length color))) | |
| 1071 (list (aref color 0) (aref color 1) (aref color 2))) | |
| 1072 ((and (listp color) (= 3 (length color)) (floatp (car color))) | |
| 1073 (mapcar (function (lambda (x) (* x 65535))) color)) | |
| 1074 ((and (listp color) (= 3 (length color))) | |
| 1075 color) | |
| 1076 ((or (string-match "^#" color) | |
| 1077 (string-match "^rgb:" color)) | |
| 1078 (font-parse-rgb-components color)) | |
| 1079 ((string-match "\\([0-9.]+\\)[ \t]\\([0-9.]+\\)[ \t]\\([0-9.]+\\)" | |
| 1080 color) | |
| 1081 (let ((r (string-to-number (match-string 1 color))) | |
| 1082 (g (string-to-number (match-string 2 color))) | |
| 1083 (b (string-to-number (match-string 3 color)))) | |
| 1084 (if (floatp r) | |
| 1085 (setq r (round (* 255 r)) | |
| 1086 g (round (* 255 g)) | |
| 1087 b (round (* 255 b)))) | |
| 1088 (font-parse-rgb-components (format "#%02x%02x%02x" r g b)))) | |
| 1089 (t | |
| 1090 (font-lookup-rgb-components color))))) | |
| 1091 | |
| 1092 (defsubst font-tty-compute-color-delta (col1 col2) | |
| 1093 (+ | |
| 1094 (* (- (aref col1 0) (aref col2 0)) | |
| 1095 (- (aref col1 0) (aref col2 0))) | |
| 1096 (* (- (aref col1 1) (aref col2 1)) | |
| 1097 (- (aref col1 1) (aref col2 1))) | |
| 1098 (* (- (aref col1 2) (aref col2 2)) | |
| 1099 (- (aref col1 2) (aref col2 2))))) | |
| 1100 | |
| 1101 (defun font-tty-find-closest-color (r g b) | |
| 1102 ;; This is basically just a lisp copy of allocate_nearest_color | |
| 1103 ;; from objects-x.c from Emacs 19 | |
| 1104 ;; We really should just check tty-color-list, but unfortunately | |
| 1105 ;; that does not include any RGB information at all. | |
| 1106 ;; So for now we just hardwire in the default list and call it | |
| 1107 ;; good for now. | |
| 1108 (setq r (/ r 65535.0) | |
| 1109 g (/ g 65535.0) | |
| 1110 b (/ b 65535.0)) | |
| 1111 (let* ((color_def (vector r g b)) | |
| 1112 (colors [([1.0 1.0 1.0] . "white") | |
| 1113 ([0.0 1.0 1.0] . "cyan") | |
| 1114 ([1.0 0.0 1.0] . "magenta") | |
| 1115 ([0.0 0.0 1.0] . "blue") | |
| 1116 ([1.0 1.0 0.0] . "yellow") | |
| 1117 ([0.0 1.0 0.0] . "green") | |
| 1118 ([1.0 0.0 0.0] . "red") | |
| 1119 ([0.0 0.0 0.0] . "black")]) | |
| 1120 (no_cells (length colors)) | |
| 1121 (x 1) | |
| 1122 (nearest 0) | |
| 1123 (nearest_delta 0) | |
| 1124 (trial_delta 0)) | |
| 1125 (setq nearest_delta (font-tty-compute-color-delta (car (aref colors 0)) | |
| 1126 color_def)) | |
| 1127 (while (/= no_cells x) | |
| 1128 (setq trial_delta (font-tty-compute-color-delta (car (aref colors x)) | |
| 1129 color_def)) | |
| 1130 (if (< trial_delta nearest_delta) | |
| 1131 (setq nearest x | |
| 1132 nearest_delta trial_delta)) | |
| 1133 (setq x (1+ x))) | |
| 1134 (cdr-safe (aref colors nearest)))) | |
| 1135 | |
| 1136 (defun font-normalize-color (color &optional device) | |
| 1137 "Return an RGB tuple, given any form of input. If an error occurs, black | |
| 1138 is returned." | |
| 1139 (case (device-type device) | |
| 1140 ((x pm) | |
| 1141 (apply 'format "#%02x%02x%02x" (font-color-rgb-components color))) | |
| 1142 (mswindows | |
| 1143 (let* ((rgb (font-color-rgb-components color)) | |
| 1144 (color (apply 'format "#%02x%02x%02x" rgb))) | |
| 1145 (mswindows-define-rgb-color (nth 0 rgb) (nth 1 rgb) (nth 2 rgb) color) | |
| 1146 color)) | |
| 1147 (tty | |
| 1148 (apply 'font-tty-find-closest-color (font-color-rgb-components color))) | |
| 1149 (ns | |
| 1150 (let ((vals (mapcar (function (lambda (x) (>> x 8))) | |
| 1151 (font-color-rgb-components color)))) | |
| 1152 (apply 'format "RGB%02x%02x%02xff" vals))) | |
| 1153 (otherwise | |
| 1154 color))) | |
| 1155 | |
| 1156 (defun font-set-face-background (&optional face color &rest args) | |
| 1157 (interactive) | |
| 1158 (condition-case nil | |
| 1159 (cond | |
| 1160 ((or (font-rgb-color-p color) | |
| 1161 (string-match "^#[0-9a-fA-F]+$" color)) | |
| 1162 (apply 'set-face-background face | |
| 1163 (font-normalize-color color) args)) | |
| 1164 (t | |
| 1165 (apply 'set-face-background face color args))) | |
| 1166 (error nil))) | |
| 1167 | |
| 1168 (defun font-set-face-foreground (&optional face color &rest args) | |
| 1169 (interactive) | |
| 1170 (condition-case nil | |
| 1171 (cond | |
| 1172 ((or (font-rgb-color-p color) | |
| 1173 (string-match "^#[0-9a-fA-F]+$" color)) | |
| 1174 (apply 'set-face-foreground face (font-normalize-color color) args)) | |
| 1175 (t | |
| 1176 (apply 'set-face-foreground face color args))) | |
| 1177 (error nil))) | |
| 1178 | |
| 1179 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 1180 ;;; Support for 'blinking' fonts | |
| 1181 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; | |
| 1182 (defun font-map-windows (func &optional arg frame) | |
| 1183 (let* ((start (selected-window)) | |
| 1184 (cur start) | |
| 1185 (result nil)) | |
| 1186 (push (funcall func start arg) result) | |
| 1187 (while (not (eq start (setq cur (next-window cur)))) | |
| 1188 (push (funcall func cur arg) result)) | |
| 1189 result)) | |
| 1190 | |
| 1191 (defun font-face-visible-in-window-p (window face) | |
| 1192 (let ((st (window-start window)) | |
| 1193 (nd (window-end window)) | |
| 1194 (found nil) | |
| 1195 (face-at nil)) | |
| 1196 (setq face-at (get-text-property st 'face (window-buffer window))) | |
| 1197 (if (or (eq face face-at) (and (listp face-at) (memq face face-at))) | |
| 1198 (setq found t)) | |
| 1199 (while (and (not found) | |
| 1200 (/= nd | |
| 1201 (setq st (next-single-property-change | |
| 1202 st 'face | |
| 1203 (window-buffer window) nd)))) | |
| 1204 (setq face-at (get-text-property st 'face (window-buffer window))) | |
| 1205 (if (or (eq face face-at) (and (listp face-at) (memq face face-at))) | |
| 1206 (setq found t))) | |
| 1207 found)) | |
| 1208 | |
| 1209 (defun font-blink-callback () | |
| 1210 ;; Optimized to never invert the face unless one of the visible windows | |
| 1211 ;; is showing it. | |
| 1212 (let ((faces (if font-running-xemacs (face-list t) (face-list))) | |
| 1213 (obj nil)) | |
| 1214 (while faces | |
| 1215 (if (and (setq obj (face-property (car faces) 'font-specification)) | |
| 1216 (font-blink-p obj) | |
| 1217 (memq t | |
| 1218 (font-map-windows 'font-face-visible-in-window-p (car faces)))) | |
| 1219 (invert-face (car faces))) | |
| 1220 (pop faces)))) | |
| 1221 | |
| 1222 (defcustom font-blink-interval 0.5 | |
| 1223 "How often to blink faces" | |
| 1224 :type 'number | |
| 1225 :group 'faces) | |
| 1226 | |
| 1227 (defun font-blink-initialize () | |
| 1228 (cond | |
| 1229 ((featurep 'itimer) | |
| 1230 (if (get-itimer "font-blinker") | |
| 1231 (delete-itimer (get-itimer "font-blinker"))) | |
| 1232 (start-itimer "font-blinker" 'font-blink-callback | |
| 1233 font-blink-interval | |
| 1234 font-blink-interval)) | |
| 1235 ((fboundp 'run-at-time) | |
| 1236 (cancel-function-timers 'font-blink-callback) | |
| 1237 (run-at-time font-blink-interval | |
| 1238 font-blink-interval | |
| 1239 'font-blink-callback)) | |
| 1240 (t nil))) | |
| 1241 | |
| 1242 (provide 'font) |