Fixed email addr, added license.

[sixel.git] / sixel.el

diff --git a/sixel.el b/sixel.el
index 775bb58..87d387d 100644 (file)
--- a/sixel.el
+++ b/sixel.el
@@ -2,15 +2,30 @@
 
 ;; Copyright (C) 2019 Tim Vaughan
 
-;; Author: Tim Vaughan <tgvaughan@gmail.com>
+;; Author: Tim Vaughan <plugd@thelambdalab.xyz>
 ;; Created: 19 May 2019
 ;; Version: 1.0.0
 ;; Keywords:
-;; Homepage: https://github.com/tgvaughan/sixel
-;; Package-Requires: ((emacs "25"))
+;; Homepage: gopher://thelambdalab.xyz/1/projects/sixel
+;; Package-Requires: ((emacs "26"))
 
 ;;; Commentary:
 
+;; This file is not part of GNU Emacs.
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this file.  If not, see <http://www.gnu.org/licenses/>.
+
 ;;; Code:
 
 (defvar test-string
@@ -194,4 +209,30 @@ Returns a sixel image object."
          (sixel-image-to-xpm-pixels sixel-image) "};")
       (error "Incorrecly formatted sixel string"))))
 
+(defun sixel-render-images-in-buffer ()
+  "Find and render any sixel images in the current buffer."
+  (interactive)
+  (save-excursion
+    (goto-char (point-min))
+    (while (re-search-forward "\eP[[:ascii:]]*\e\\\\" nil t)
+      (let ((sixel-string (match-string 0))
+            (inhibit-read-only t))
+        (delete-region (match-beginning 0)
+                       (match-end 0))
+        (insert-image
+         (create-image (sixel-to-xpm sixel-string) 'xpm t))
+        (insert "\n")))))
+
+(defgroup sixel nil
+  "Render sixel images."
+  :group 'multimedia)
+
+(define-minor-mode sixel-mode
+  "A minor mode which renders sixel graphics." nil "sixel" nil
+  (add-hook 'after-change-functions
+            (lambda (start end size)
+              (sixel-render-images-in-buffer)
+              (message "Render complete."))
+            nil t))
+  
 ;;; sixel.el ends here