view implementations/midi/classes.lisp @ 116:b4f4df48337d

Addition of viewpointable classes and methods These may be in the wrong place, but are designed to facilitate pluggability of viewpoints for well-behaved implementations darcs-hash:20070726160347-f76cc-6e6da5d488b3f252d0575e42daa566130481f955.gz
author David Lewis <d.lewis@gold.ac.uk>
date Thu, 26 Jul 2007 17:03:47 +0100
parents cf198383852d
children b849c4fc4c26
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(cl:in-package #:amuse-midi) 

(defclass midi-composition (amuse:composition)
  ((time-signatures :initarg :time-signatures
		    :initform 'nil
		    :accessor %midi-time-signatures)
   (tempi :initarg :tempi
	  :initform 'nil
	  :accessor %midi-tempi)
   (key-signatures  :initarg :key-signatures
		    :initform 'nil
		    :accessor %midi-key-signatures)
   (misc-controllers :initarg :controllers
		      :initform 'nil
		      :accessor %midi-misc-controllers)))

(defclass midi-message () ;?
  ((channel :accessor %midi-message-channel :initarg :channel)
   (track :accessor %midi-message-track :initarg :track)))

(defclass midi-pitched-event (chromatic-pitched-event midi-message)
  ((velocity :initarg :velocity
	     :accessor %midi-pitched-event-velocity)
   (patch :initarg :patch
	  :accessor %midi-pitched-event-patch)))

(defclass midi-percussive-event (percussive-event midi-message)
  ((velocity :initarg :velocity
	     :accessor %midi-percussive-event-velocity)
   (patch :initarg :patch
	  :accessor %midi-percussive-event-patch)
   (sound :initarg :sound
	  :accessor %midi-percussive-event-sound)))