-;;
-;; paper-system.scm -- implement paper-system objects.
-;;
-;; source file of the GNU LilyPond music typesetter
-;;
-;; (c) 2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
-;;
+;;;; This file is part of LilyPond, the GNU music typesetter.
+;;;;
+;;;; Copyright (C) 2006--2011 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/>.
(define-module (scm paper-system))
(define-public (paper-system-stencil system)
(ly:prob-property system 'stencil))
+(define-public (paper-system-layout system)
+ (let*
+ ((g (paper-system-system-grob system)))
+
+ (if (ly:grob? g)
+ (ly:grob-layout g)
+ #f)))
+
+(define-public (paper-system-system-grob paper-system)
+ (ly:prob-property paper-system 'system-grob))
+
(define-public (paper-system-extent system axis)
(ly:stencil-extent (paper-system-stencil system) axis))
(define-public (paper-system-staff-extents ps)
- (ly:prob-property ps 'refpoint-Y-extent '(0 . 0)))
+ (ly:prob-property ps 'staff-refpoint-extent '(0 . 0)))
(define-public (paper-system-annotate-last system layout)
(let*
(set! (ly:prob-property system 'stencil)
stencil)
))
-
-(define-public (paper-system-annotate system layout)
- "Add arrows and texts to indicate which lengths are set."
- (let*
- ((annotations (ly:make-stencil '() (cons 0 2) (cons 0 0)))
- (append-stencil
- (lambda (a b)
- (ly:stencil-combine-at-edge a X RIGHT b 0.5 0)))
-
- (annotate-property
- (lambda (name extent is-length?)
- (set! annotations
- (append-stencil annotations
- (annotate-y-interval layout
- name extent is-length?)))))
- (bbox-extent (paper-system-extent system Y))
- (refp-extent (ly:prob-property system 'refpoint-Y-extent))
- (next-space (ly:prob-property system 'next-space
- (ly:output-def-lookup layout 'between-system-space)
- ))
- (next-padding (ly:prob-property system 'next-padding
- (ly:output-def-lookup layout 'between-system-padding)
- ))
-
- )
-
- (if (number-pair? bbox-extent)
- (begin
- (annotate-property "Y-extent"
- bbox-extent #f)
- (annotate-property "next-padding"
- (interval-translate (cons (- next-padding) 0) (car bbox-extent))
- #t)))
-
- ;; titles don't have a refpoint-Y-extent.
- (if (number-pair? refp-extent)
- (begin
- (annotate-property "refpoint-Y-extent"
- refp-extent #f)
-
- (annotate-property "next-space"
- (interval-translate (cons (- next-space) 0) (car refp-extent))
- #t)))
-
-
+; TODO: annotate the spacing for every spaceable staff within the system.
+(define-public (paper-system-annotate system next-system layout)
+ "Add arrows and texts to indicate which lengths are set."
+ (let* ((annotations (list))
+ (grob (ly:prob-property system 'system-grob))
+ (estimate-extent (if (ly:grob? grob)
+ (annotate-y-interval layout
+ "extent-estimate"
+ (ly:grob-property grob 'pure-Y-extent)
+ #f)
+ #f)))
+ (let* ((spacing-spec (cond ((and next-system
+ (paper-system-title? system)
+ (paper-system-title? next-system))
+ (ly:output-def-lookup layout 'markup-markup-spacing))
+ ((paper-system-title? system)
+ (ly:output-def-lookup layout 'markup-system-spacing))
+ ((and next-system
+ (paper-system-title? next-system))
+ (ly:output-def-lookup layout 'score-markup-spacing))
+ ((not next-system)
+ (ly:output-def-lookup layout 'last-bottom-spacing))
+ (else
+ (ly:output-def-lookup layout 'system-system-spacing))))
+ (last-staff-Y (car (paper-system-staff-extents system))))
- (set! (ly:prob-property system 'stencil)
- (ly:stencil-add
- (ly:prob-property system 'stencil)
- (ly:make-stencil
- (ly:stencil-expr annotations)
- (ly:stencil-extent empty-stencil X)
- (ly:stencil-extent empty-stencil Y)
- )))
-
- ))
+ (set! annotations
+ (annotate-spacing-spec layout spacing-spec last-staff-Y (car (paper-system-extent system Y)))))
+ (if estimate-extent
+ (set! annotations
+ (stack-stencils X RIGHT 0.5
+ (list annotations
+ estimate-extent))))
+
+ (if (not (null? annotations))
+ (set! (ly:prob-property system 'stencil)
+ (ly:stencil-add
+ (ly:prob-property system 'stencil)
+ (ly:make-stencil
+ (ly:stencil-expr annotations)
+ (ly:stencil-extent empty-stencil X)
+ (ly:stencil-extent empty-stencil Y)))))
+ (ly:prob-property system 'stencil)))
projects / lilypond.git / blobdiff