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;;
;; starlet/fixture-library/generic/rgb.scm
;;
;; Copyright © 2020-2021 Thomas White <taw@bitwiz.org.uk>
;;
;; This file is part of Starlet.
;;
;; Starlet 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/>.
;;
(define-module (starlet fixture-library generic rgb)
#:use-module (oop goops)
#:use-module (starlet fixture)
#:use-module (starlet colours)
#:export (<generic-rgb>))
(define-class <generic-rgb> (<fixture>)
(attributes
#:init-form (list
(attr-continuous 'intensity '(0 100) 0)
(attr-colour 'colour white))))
(define-method (scanout-fixture (fixture <generic-rgb>)
get-attr set-chan8 set-chan16)
(let ((intensity (get-attr 'intensity))
(rgb (colour-as-rgb (get-attr 'colour))))
(set-chan8 1 (percent->dmxval8 (* intensity 0.01 (car rgb))))
(set-chan8 2 (percent->dmxval8 (* intensity 0.01 (cadr rgb))))
(set-chan8 3 (percent->dmxval8 (* intensity 0.01 (caddr rgb))))))
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