すべての themeでスクリーンキャプチャを撮影する

全部の thumeで色を見比べたいなぁと思ったので、
そんなコードを書いてみました。

コード

;;; capture-all-theme.el ---

;; Copyright (C) 2012 by Syohei YOSHIDA

;; Author: Syohei YOSHIDA <syohex@gmail.com>
;; URL:
;; Version: 0.01

;; 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 program.  If not, see <http://www.gnu.org/licenses/>.

;;; Commentary:

;;; Code:

(eval-when-compile
  (require 'cl))

(defun ca-theme:current-window-id ()
  (with-temp-buffer
    (let ((cmd "xprop -root")
          (regexp "_NET_ACTIVE_WINDOW(WINDOW): window id # \\([^,]+\\)"))
      (call-process-shell-command cmd nil t)
      (goto-char (point-min))
      (if (re-search-forward regexp nil t)
          (match-string-no-properties 1)
        (error "Can't get current window id")))))

(defun ca-theme:load-theme (theme)
  (mapc (lambda (th)
          (disable-theme th)) custom-enabled-themes)
  (load-theme theme t))

(defun capture-all-theme ()
  (interactive)
  (let ((id (ca-theme:current-window-id)))
    (loop for theme in (custom-available-themes)
          for output = (format "%s.png" theme)
          for cmd = (format "import -frame -window %s %s" id output)
          do
          (progn
            (message "%s" cmd)
            (ca-theme:load-theme theme)
            (redisplay t)
            (call-process-shell-command cmd)
            (sleep-for 0.5)))))

;;; capture-all-theme.el ends here