;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2006--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+;;;; Copyright (C) 2006--2012 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
(define-module (scm paper-system))
-(use-modules (lily))
+(use-modules (lily)
+ (srfi srfi-1)
+ (ice-9 optargs))
(define-public (paper-system-title? system)
(equal? #t (ly:prob-property system 'is-title)
))
+(define (system-stencil system-grob main-stencil)
+ (let* ((padding (ly:grob-property system-grob 'in-note-padding #f))
+ (in-notes (if padding (ly:grob-property system-grob 'in-note-stencil) empty-stencil))
+ (in-notes (if in-notes in-notes empty-stencil))
+ (direction (if padding (ly:grob-property system-grob 'in-note-direction) UP)))
+ (if padding
+ (ly:stencil-combine-at-edge main-stencil Y direction in-notes padding)
+ main-stencil)))
+
(define-public (paper-system-stencil system)
- (ly:prob-property system 'stencil))
+ (let ((main-stencil (ly:prob-property system 'stencil))
+ (system-grob (ly:prob-property system 'system-grob)))
+ (if (ly:grob? system-grob)
+ (system-stencil system-grob main-stencil)
+ main-stencil)))
(define-public (paper-system-layout system)
(let*
stencil)
))
-; TODO: annotate the spacing for every spaceable staff within the system.
+
+;; Y-ext and next-Y-ext are either skyline-pairs or extents
+(define*-public (annotate-padding system-Y system-X Y-ext X-ext
+ next-system-Y next-system-X next-Y-ext next-X-ext
+ layout horizon-padding padding #:key (base-color blue))
+ (let* ((eps 0.001)
+ (skyline (and (ly:skyline-pair? Y-ext)
+ (ly:skyline-pair::skyline Y-ext DOWN)))
+ (next-skyline (and (ly:skyline-pair? next-Y-ext)
+ (ly:skyline-pair::skyline next-Y-ext UP)))
+ (annotation-X (cond
+ ((and skyline next-skyline)
+ (-
+ (ly:skyline::get-touching-point skyline next-skyline horizon-padding)
+ horizon-padding))
+ (skyline
+ (ly:skyline::get-max-height-position skyline))
+ (next-skyline
+ (ly:skyline::get-max-height-position next-skyline))
+ (else
+ (max (cdr X-ext)
+ (cdr next-X-ext)))))
+ (annotation-Y (if skyline
+ (ly:skyline::get-height skyline annotation-X)
+ (car Y-ext)))
+ (next-annotation-Y (if next-skyline
+ (- (+ (ly:skyline::get-height next-skyline
+ (- (+ annotation-X system-X)
+ next-system-X))
+ next-system-Y)
+ system-Y)
+ (cdr next-Y-ext)))
+ (padding-blocks (>= next-annotation-Y (- annotation-Y padding eps)))
+ (contrast-color (append (cdr base-color) (list (car base-color))))
+ (color (if padding-blocks contrast-color base-color))
+ (annotation (ly:stencil-translate-axis
+ (annotate-y-interval
+ layout
+ "padding"
+ `(,(- annotation-Y padding). ,annotation-Y)
+ #t
+ #:color color)
+ annotation-X X)))
+ (if (> padding 0.0)
+ annotation
+ empty-stencil)))
+
+
(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))
+
+ (let* ((grob (ly:prob-property system 'system-grob))
+ (paper-height (ly:output-def-lookup layout 'paper-height))
+ (bottom-margin (ly:output-def-lookup layout 'bottom-margin))
+ (top-margin (ly:output-def-lookup layout 'top-margin))
+ (spaceable-staves (if (ly:grob? grob) (ly:system::get-spaceable-staves grob) '()))
+ (all-staves (if (ly:grob? grob) (ly:system::get-staves grob) '()))
+ (spaceable-staff-annotate
+ (lambda (before-staff after-staff)
+ (let ((before-Y (ly:grob-relative-coordinate before-staff grob Y))
+ (after-Y (ly:grob-relative-coordinate after-staff grob Y)))
+ (annotate-spacing-spec
+ layout
+ (ly:get-spacing-spec before-staff after-staff)
+ before-Y
+ after-Y))))
+
+ (staff-padding-annotate
+ (lambda (before-staff after-staff)
+ (let ((before-Y (ly:grob-relative-coordinate before-staff grob Y))
+ (before-X (ly:grob-relative-coordinate before-staff grob X))
+ (before-X-ext (ly:grob-extent before-staff before-staff X))
+ (after-Y (ly:grob-relative-coordinate after-staff grob Y))
+ (after-X (ly:grob-relative-coordinate after-staff grob X))
+ (after-X-ext (ly:grob-extent after-staff after-staff X))
+ (skylines (ly:grob-property before-staff 'vertical-skylines))
+ (after-skylines (ly:grob-property after-staff 'vertical-skylines))
+ (padding (assoc-get 'padding
+ (ly:get-spacing-spec before-staff after-staff)
+ 0.0))
+ (horizon-padding (ly:grob-property before-staff
+ 'skyline-horizontal-padding
+ 0.0)))
+ (ly:stencil-translate
+ (annotate-padding
+ before-Y before-X skylines before-X-ext
+ after-Y after-X after-skylines after-X-ext
+ layout horizon-padding padding)
+ (cons before-X before-Y)))))
+
+ (staff-annotations (if (< 1 (length spaceable-staves))
+ (map spaceable-staff-annotate
+ (drop-right spaceable-staves 1)
+ (drop spaceable-staves 1))
+ '()))
+ (staff-padding-annotations (if (< 1 (length all-staves))
+ (map staff-padding-annotate
+ (drop-right all-staves 1)
+ (drop all-staves 1))
+ '()))
(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! annotations
- (annotate-spacing-spec layout spacing-spec last-staff-Y (car (paper-system-extent system Y)))))
- (if estimate-extent
+ #f))
+
+ (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))
+ ((ly:prob-property system 'last-in-score #f)
+ (ly:output-def-lookup layout 'score-system-spacing))
+ (else
+ (ly:output-def-lookup layout 'system-system-spacing))))
+ (last-staff-Y (car (paper-system-staff-extents system)))
+ (system-Y (ly:prob-property system 'Y-offset 0.0))
+ (system-X (ly:prob-property system 'X-offset 0.0))
+ (next-system-Y (and next-system
+ (ly:prob-property next-system 'Y-offset 0.0)))
+ (next-system-X (and next-system
+ (ly:prob-property next-system 'X-offset 0.0)))
+ (first-staff-next-system-Y (if next-system
+ (- (+ (cdr (paper-system-staff-extents next-system))
+ system-Y)
+ next-system-Y)
+ (+ system-Y top-margin bottom-margin (- paper-height))))
+
+ (skyline (or
+ (ly:prob-property system 'vertical-skylines #f)
+ (paper-system-extent system Y)))
+ (next-skyline (and next-system
+ (or
+ (ly:prob-property next-system 'vertical-skylines #f)
+ (paper-system-extent next-system Y))))
+ (horizon-padding (and
+ (ly:grob? grob)
+ (ly:grob-property grob 'skyline-horizontal-padding 0)))
+ (padding-annotation (if next-system
+ (annotate-padding
+ (- system-Y) system-X skyline (paper-system-extent system X)
+ (- next-system-Y) next-system-X next-skyline (paper-system-extent next-system X)
+ layout
+ horizon-padding
+ (assoc-get 'padding spacing-spec 0.0)
+ #:base-color blue)
+ empty-stencil))
+
+ (system-annotation (annotate-spacing-spec
+ layout spacing-spec
+ last-staff-Y
+ first-staff-next-system-Y))
+ (annotations (ly:stencil-add
+ padding-annotation
+ (stack-stencils Y DOWN 0.0 staff-padding-annotations)
+ (stack-stencils Y DOWN 0.0 (append staff-annotations (list system-annotation))))))
+
+ (if estimate-extent
(set! annotations
- (stack-stencils X RIGHT 0.5
+ (stack-stencils X RIGHT 5.5
(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)))
+
+ (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