tvl-depot/emacs/.emacs.d/wpc/scrot.el
William Carroll 578ed1ba98 Move move .emacs.d out of configs/shared
Moving all of my Emacs-related files into their own directory at the root of
this repository.
2020-01-30 16:00:29 +00:00

64 lines
2.1 KiB
EmacsLisp

;; Author: William Carroll <wpcarro@gmail.com>
;;; Commentary:
;; scrot is a Linux utility for taking screenshots.
;;; Code:
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;; Dependencies
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(require 'f)
(require 'string)
(require 'ts)
(require 'clipboard)
(require 'kbd)
(prelude/assert
(prelude/executable-exists? "scrot"))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
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(defconst scrot/screenshot-directory "~/Downloads"
"The default directory for screenshot outputs.")
(defconst scrot/path-to-executable "/usr/bin/scrot"
"Path to the scrot executable.")
(defconst scrot/output-format "screenshot_%H:%M:%S_%Y-%m-%d.png"
"The format string for the output screenshot file.
See scrot's man page for more information.")
(defun scrot/copy-image (path)
"Use xclip to copy the image at PATH to the clipboard.
This currently only works for PNG files because that's what I'm outputting"
(call-process "xclip" nil nil nil
"-selection" "clipboard" "-t" "image/png" path)
(message (string/format "[scrot.el] Image copied to clipboard!")))
(defmacro scrot/call (&rest args)
"Call scrot with ARGS."
`(call-process ,scrot/path-to-executable nil nil nil ,@args))
(defun scrot/fullscreen ()
"Screenshot the entire screen."
(interactive)
(let ((screenshot-path (f-join scrot/screenshot-directory
(ts-format scrot/output-format (ts-now)))))
(scrot/call screenshot-path)
(scrot/copy-image screenshot-path)))
(defun scrot/select ()
"Click-and-drag to screenshot a region.
The output path is copied to the user's clipboard."
(interactive)
(let ((screenshot-path (f-join scrot/screenshot-directory
(ts-format scrot/output-format (ts-now)))))
(scrot/call "--select" screenshot-path)
(scrot/copy-image screenshot-path)))
(provide 'scrot)
;;; scrot.el ends here