tvl-depot/emacs/.emacs.d/wpc/scrot.el
William Carroll fb5ec068dd More Elisp linting
This should cover most of the remaining linting errors. After this, I expect
fewer than ten linting errors.
2020-09-01 10:17:43 +01:00

66 lines
2.2 KiB
EmacsLisp

;;; scrot.el --- Screenshot functions -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;; Version: 0.0.1
;; URL: https://git.wpcarro.dev/wpcarro/briefcase
;; Package-Requires: ((emacs "24"))
;;; Commentary:
;; scrot is a Linux utility for taking screenshots.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'f)
(require 'string)
(require 'ts)
(require 'clipboard)
(require 'kbd)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(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