168 lines
4.6 KiB
EmacsLisp
168 lines
4.6 KiB
EmacsLisp
;;; eaf-image-viewer.el --- Image viewer
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;; Filename: eaf-image-viewer.el
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;; Description: Image viewer
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;; Author: Andy Stewart <lazycat.manatee@gmail.com>
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;; Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
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;; Copyright (C) 2021, Andy Stewart, all rights reserved.
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;; Created: 2021-07-31 20:43:15
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;; Version: 0.1
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;; Last-Updated: 2021-07-31 20:43:15
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;; By: Andy Stewart
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;; URL: http://www.emacswiki.org/emacs/download/eaf-image-viewer.el
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;; Keywords:
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;; Compatibility: GNU Emacs 28.0.50
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;;
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;; Features that might be required by this library:
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;;
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;;
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;;
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;;; This file is NOT part of GNU Emacs
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;;; License
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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;; Floor, Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;
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;; Image viewer
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;;
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;;; Installation:
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;;
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;; Put eaf-image-viewer.el to your load-path.
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;; The load-path is usually ~/elisp/.
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;; It's set in your ~/.emacs like this:
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;; (add-to-list 'load-path (expand-file-name "~/elisp"))
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;;
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;; And the following to your ~/.emacs startup file.
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;;
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;; (require 'eaf-image-viewer)
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;;
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;; No need more.
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;;; Customize:
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;;
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;;
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;;
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;; All of the above can customize by:
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;; M-x customize-group RET eaf-image-viewer RET
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;;
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;;; Change log:
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;;
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;; 2021/07/31
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;; * First released.
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;;
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;;; Acknowledgements:
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;;
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;;
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;;
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;;; TODO
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;;
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;;
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;;
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;;; Require
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;;; Code:
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(defcustom eaf-image-viewer-keybinding
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'(("n" . "load_next_image")
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("p" . "load_prev_image")
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("SPC" . "load_prev_image")
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("r" . "reload_image")
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("x" . "insert_or_close_buffer")
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("," . "js_zoom_out")
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("." . "js_zoom_in")
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("/" . "js_zoom_reset")
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("-" . "js_zoom_out")
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("=" . "js_zoom_in")
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("0" . "js_zoom_reset")
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("9" . "js_zoom_toggle")
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("u" . "js_rotate_left")
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("i" . "js_rotate_right")
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("y" . "js_flip_horizontal")
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("o" . "js_flip_vertical")
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("k" . "js_move_down")
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("j" . "js_move_up")
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("l" . "js_move_left")
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("h" . "js_move_right")
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("U" . "eaf-image-viewer-rotate-file-left")
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("I" . "eaf-image-viewer-rotate-file-right")
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("O" . "eaf-image-viewer-rotate-file-horizontal")
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("d" . "delete_current_image")
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("<f12>" . "open_devtools")
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)
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"The keybinding of EAF Image Viewer."
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:type 'cons)
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(defcustom eaf-image-extension-list
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'("jpg" "jpeg" "png" "bmp" "gif" "svg" "webp")
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"The extension list of image viewer application."
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:type 'cons)
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(defun eaf-image-viewer-rotate-by-convert (file-name degrees-string)
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"Rotate FILE-NAME with the passed DEGREES-STRING.
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Note that the file is changed on the file-system."
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;; redisplay to show the \"Rotating...\" message
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(redisplay)
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(shell-command
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(format "convert '%s' -quality 100 -rotate %s '%s'"
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file-name
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degrees-string
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file-name)))
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(defun eaf-image-viewer-rotate-file-right ()
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(interactive)
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(message "Rotating...")
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(eaf-call-async "eval_js_function" eaf--buffer-id "rotate_right" "")
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(eaf-image-viewer-rotate-by-convert (eaf-get-path-or-url) "+90")
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(message "Rotated right and saved to file system"))
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(defun eaf-image-viewer-rotate-file-left ()
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(interactive)
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(message "Rotating...")
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(eaf-call-async "eval_js_function" eaf--buffer-id "rotate_left" "")
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(eaf-image-viewer-rotate-by-convert (eaf-get-path-or-url) "-90")
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(message "Rotated left and saved to file system"))
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(defun eaf-image-viewer-rotate-file-horizontal ()
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(interactive)
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(message "Rotating...")
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(eaf-call-async "eval_js_function" eaf--buffer-id "rotate_horizontal" "")
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(eaf-image-viewer-rotate-by-convert (eaf-get-path-or-url) "-180")
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(message "Rotated horizontal and saved to file system"))
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(add-to-list 'eaf-app-binding-alist '("image-viewer" . eaf-image-viewer-keybinding))
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(setq eaf-image-viewer-module-path (concat (file-name-directory load-file-name) "buffer.py"))
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(add-to-list 'eaf-app-module-path-alist '("image-viewer" . eaf-image-viewer-module-path))
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(add-to-list 'eaf-app-extensions-alist '("image-viewer" . eaf-image-extension-list))
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(provide 'eaf-image-viewer)
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;;; eaf-image-viewer.el ends here
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