mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-11 09:20:51 +00:00
145 lines
4.0 KiB
EmacsLisp
145 lines
4.0 KiB
EmacsLisp
;;; ps-def.el --- Emacs definitions for ps-print -*- lexical-binding: t -*-
|
||
|
||
;; Copyright (C) 2007-2020 Free Software Foundation, Inc.
|
||
|
||
;; Author: Vinicius Jose Latorre <viniciusjl.gnu@gmail.com>
|
||
;; Kenichi Handa <handa@gnu.org> (multi-byte characters)
|
||
;; Keywords: wp, print, PostScript
|
||
;; X-URL: http://www.emacswiki.org/cgi-bin/wiki/ViniciusJoseLatorre
|
||
;; Package: ps-print
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs is free software: you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation, either version 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; GNU General Public License for more details.
|
||
|
||
;; You should have received a copy of the GNU General Public License
|
||
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;; See ps-print.el for documentation.
|
||
|
||
;;; Code:
|
||
|
||
(declare-function ps-plot-with-face "ps-print" (from to face))
|
||
(declare-function ps-plot-string "ps-print" (string))
|
||
|
||
(defvar ps-bold-faces) ; in ps-print.el
|
||
(defvar ps-italic-faces)
|
||
|
||
|
||
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Emacs Definitions
|
||
|
||
|
||
(defun ps-mark-active-p ()
|
||
mark-active)
|
||
|
||
|
||
(defun ps-face-foreground-name (face)
|
||
(face-foreground face nil t))
|
||
|
||
|
||
(defun ps-face-background-name (face)
|
||
(face-background face nil t))
|
||
|
||
|
||
(defalias 'ps-frame-parameter 'frame-parameter)
|
||
|
||
;; Return t if the device (which can be changed during an emacs session) can
|
||
;; handle colors. This function is not yet implemented for GNU emacs.
|
||
(defun ps-color-device ()
|
||
(if (fboundp 'color-values)
|
||
(funcall 'color-values "Green")
|
||
t))
|
||
|
||
|
||
(defun ps-color-values (x-color)
|
||
(cond
|
||
((fboundp 'color-values)
|
||
(funcall 'color-values x-color))
|
||
((fboundp 'x-color-values)
|
||
(funcall 'x-color-values x-color))
|
||
(t
|
||
(error "No available function to determine X color values"))))
|
||
|
||
|
||
(defun ps-face-bold-p (face)
|
||
(or (face-bold-p face)
|
||
(memq face ps-bold-faces)))
|
||
|
||
|
||
(defun ps-face-italic-p (face)
|
||
(or (face-italic-p face)
|
||
(memq face ps-italic-faces)))
|
||
|
||
|
||
(defun ps-face-strikeout-p (face)
|
||
(eq (face-attribute face :strike-through) t))
|
||
|
||
|
||
(defun ps-face-overline-p (face)
|
||
(eq (face-attribute face :overline) t))
|
||
|
||
|
||
(defun ps-face-box-p (face)
|
||
(not (memq (face-attribute face :box) '(nil unspecified))))
|
||
|
||
|
||
;; Emacs understands the %f format; we'll use it to limit color RGB values
|
||
;; to three decimals to cut down some on the size of the PostScript output.
|
||
(defvar ps-color-format "%0.3f %0.3f %0.3f")
|
||
(defvar ps-float-format "%0.3f ")
|
||
|
||
|
||
(defun ps-generate-postscript-with-faces1 (from to)
|
||
;; Generate some PostScript.
|
||
(let ((face 'default)
|
||
(position to)
|
||
;; Emacs
|
||
(property-change from)
|
||
(overlay-change from)
|
||
before-string after-string)
|
||
(while (< from to)
|
||
(and (< property-change to) ; Don't search for property change
|
||
; unless previous search succeeded.
|
||
(setq property-change (next-property-change from nil to)))
|
||
(and (< overlay-change to) ; Don't search for overlay change
|
||
; unless previous search succeeded.
|
||
(setq overlay-change (min (next-overlay-change from)
|
||
to)))
|
||
(setq position (min property-change overlay-change)
|
||
before-string nil
|
||
after-string nil)
|
||
(setq face
|
||
(cond ((invisible-p from)
|
||
'emacs--invisible--face)
|
||
((get-char-property from 'face))
|
||
(t 'default)))
|
||
;; Plot up to this record.
|
||
(and before-string
|
||
(ps-plot-string before-string))
|
||
(ps-plot-with-face from position face)
|
||
(and after-string
|
||
(ps-plot-string after-string))
|
||
(setq from position))
|
||
(ps-plot-with-face from to face)))
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(provide 'ps-def)
|
||
|
||
;;; ps-def.el ends here
|