;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
;;;; Copyright (C) 2005--2020 Han-Wen Nienhuys <hanwen@xs4all.nl>
;;;;
;;;; LilyPond 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.
;;;;
;;;; LilyPond 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 LilyPond.  If not, see <http://www.gnu.org/licenses/>.

;; TODO:
;;  - stencil-commands should have docstrings.

(define-public (ly:all-stencil-commands)
  "Return the list of stencil commands that can be
defined in the output modules (@file{output-*.scm})."
  (let*
      ((commands '(blank
                   char
                   circle
                   dashed-line
                   draw-line
                   ellipse
                   end-group-node
                   glyph-string
                   grob-cause
                   named-glyph
                   no-origin
                   page-link
                   path
                   partial-ellipse
                   placebox
                   polygon
                   resetcolor
                   resetrotation
                   resetscale
                   round-filled-box
                   setcolor
                   setrotation
                   setscale
                   start-group-node
                   text
                   unknown
                   url-link
                   utf-8-string
                   )))

    (if (ly:get-option 'safe)
        commands
        (append '(embedded-ps embedded-svg)
                commands))
    ))

;; TODO:
;;  - output-backend-commands should have docstrings.

(define-public (ly:all-output-backend-commands)
  "Return the list of extra output backend commands that
are used internally in @file{lily/@/stencil-interpret.cc}."
  '(color
    combine-stencil
    delay-stencil-evaluation
    footnote
    output-attributes
    rotate-stencil
    scale-stencil
    translate-stencil
    with-outline
    ))

(for-each ly:register-stencil-expression
          (append (ly:all-stencil-commands)
                  (ly:all-output-backend-commands)))
