X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Foutput-lib.scm;h=7f956a54d574549efbf360575efc782ad817fb67;hb=d1bbf27185836f37042012b255f1ce0beeb4b268;hp=776e618e37f1b6823c2f5524cef24fa86d817ebb;hpb=40aac0ae57ee113faa860ba221d83d9e6312173e;p=lilypond.git diff --git a/scm/output-lib.scm b/scm/output-lib.scm index 776e618e37..7f956a54d5 100644 --- a/scm/output-lib.scm +++ b/scm/output-lib.scm @@ -1,6 +1,6 @@ ;;;; This file is part of LilyPond, the GNU music typesetter. ;;;; -;;;; Copyright (C) 1998--2014 Jan Nieuwenhuizen +;;;; Copyright (C) 1998--2015 Jan Nieuwenhuizen ;;;; Han-Wen Nienhuys ;;;; ;;;; LilyPond is free software: you can redistribute it and/or modify @@ -26,6 +26,10 @@ (define-public (grob::is-live? grob) (pair? (ly:grob-basic-properties grob))) +(define-public (grob::name grob) + "Return the name of the grob @var{grob} as a symbol." + (assq-ref (ly:grob-property grob 'meta) 'name)) + (define-public (make-stencil-boxer thickness padding callback) "Return function that adds a box around the grob passed as argument." (lambda (grob) @@ -249,6 +253,14 @@ ly:self-alignment-interface::y-aligned-on-self ly:self-alignment-interface::pure-y-aligned-on-self)) +(define-public (self-alignment-interface::self-aligned-on-breakable grob) + "Return the @code{X-offset} that places @var{grob} according to its + @code{self-alignment-X} over the reference point defined by the + @code{break-align-anchor-alignment} of a @code{break-aligned} item + such as a @code{Clef}." + (+ (ly:break-alignable-interface::self-align-callback grob) + (ly:self-alignment-interface::x-aligned-on-self grob))) + ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; staff symbol @@ -396,8 +408,8 @@ and duration-log @var{log}." 1.3) line-thickness)) (radius (/ (+ staff-space line-thickness) 2)) - (letter (markup #:center-align #:vcenter pitch-string)) - (filled-circle (markup #:draw-circle radius 0 #t))) + (letter (make-center-align-markup (make-vcenter-markup pitch-string))) + (filled-circle (make-draw-circle-markup radius 0 #t))) (ly:stencil-translate-axis (grob-interpret-markup @@ -562,34 +574,38 @@ and duration-log @var{log}." ;; a formatter function, which is simply a wrapper around an existing ;; tuplet formatter function. It takes the value returned by the given ;; function and appends a note of given length. -(define-public ((tuplet-number::append-note-wrapper function note) grob) - (let ((txt (if function (function grob) #f))) +(define ((tuplet-number::append-note-wrapper function note) grob) + (let ((txt (and function (function grob)))) (if txt - (markup txt #:fontsize -5 #:note note UP) - (markup #:fontsize -5 #:note note UP)))) + (make-line-markup + (list txt (make-fontsize-markup -5 (make-note-markup note UP)))) + (make-fontsize-markup -5 (make-note-markup note UP))))) +(export tuplet-number::append-note-wrapper) ;; Print a tuplet denominator with a different number than the one derived from ;; the actual tuplet fraction -(define-public ((tuplet-number::non-default-tuplet-denominator-text denominator) +(define ((tuplet-number::non-default-tuplet-denominator-text denominator) grob) (number->string (if denominator denominator (ly:event-property (event-cause grob) 'denominator)))) +(export tuplet-number::non-default-tuplet-denominator-text) ;; Print a tuplet fraction with different numbers than the ones derived from ;; the actual tuplet fraction -(define-public ((tuplet-number::non-default-tuplet-fraction-text +(define ((tuplet-number::non-default-tuplet-fraction-text denominator numerator) grob) (let* ((ev (event-cause grob)) (den (if denominator denominator (ly:event-property ev 'denominator))) (num (if numerator numerator (ly:event-property ev 'numerator)))) (format #f "~a:~a" den num))) +(export tuplet-number::non-default-tuplet-fraction-text) ;; Print a tuplet fraction with note durations appended to the numerator and the ;; denominator -(define-public ((tuplet-number::fraction-with-notes +(define ((tuplet-number::fraction-with-notes denominatornote numeratornote) grob) (let* ((ev (event-cause grob)) (denominator (ly:event-property ev 'denominator)) @@ -597,10 +613,11 @@ and duration-log @var{log}." ((tuplet-number::non-default-fraction-with-notes denominator denominatornote numerator numeratornote) grob))) +(export tuplet-number::fraction-with-notes) ;; Print a tuplet fraction with note durations appended to the numerator and the ;; denominator -(define-public ((tuplet-number::non-default-fraction-with-notes +(define ((tuplet-number::non-default-fraction-with-notes denominator denominatornote numerator numeratornote) grob) (let* ((ev (event-cause grob)) (den (if denominator denominator (ly:event-property ev 'denominator))) @@ -608,10 +625,11 @@ and duration-log @var{log}." (make-concat-markup (list (make-simple-markup (format #f "~a" den)) - (markup #:fontsize -5 #:note denominatornote UP) + (make-fontsize-markup -5 (make-note-markup denominatornote UP)) (make-simple-markup " : ") (make-simple-markup (format #f "~a" num)) - (markup #:fontsize -5 #:note numeratornote UP))))) + (make-fontsize-markup -5 (make-note-markup numeratornote UP)))))) +(export tuplet-number::non-default-fraction-with-notes) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; @@ -691,7 +709,7 @@ and duration-log @var{log}." ;; annotations (define-public (numbered-footnotes int) - (markup #:tiny (number->string (+ 1 int)))) + (make-tiny-markup (number->string (+ 1 int)))) (define-public (symbol-footnotes int) (define (helper symbols out idx n) @@ -701,10 +719,10 @@ and duration-log @var{log}." (string-append out (list-ref symbols idx)) idx (- n 1)))) - (markup #:tiny (helper '("*" "†" "‡" "§" "¶") - "" - (remainder int 5) - (+ 1 (quotient int 5))))) + (make-tiny-markup (helper '("*" "†" "‡" "§" "¶") + "" + (remainder int 5) + (+ 1 (quotient int 5))))) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; accidentals @@ -718,8 +736,7 @@ and duration-log @var{log}." (define-public accidental-interface::height (ly:make-unpure-pure-container - ly:accidental-interface::height - ly:accidental-interface::pure-height)) + ly:accidental-interface::height)) (define-public cancellation-glyph-name-alist '((0 . "accidentals.natural"))) @@ -982,7 +999,9 @@ and duration-log @var{log}." (define-public (string-number::calc-text grob) (let ((event (event-cause grob))) (or (ly:event-property event 'text #f) - (number->string (ly:event-property event 'string-number) 10)))) + (number-format + (ly:grob-property grob 'number-type) + (ly:event-property event 'string-number))))) (define-public (stroke-finger::calc-text grob) (let ((event (event-cause grob))) @@ -1021,7 +1040,7 @@ between the two text elements." '(bound-details left padding) (+ my-padding script-padding))))))) -(define-public ((elbowed-hairpin coords mirrored?) grob) +(define ((elbowed-hairpin coords mirrored?) grob) "Create hairpin based on a list of @var{coords} in @code{(cons x y)} form. @code{x} is the portion of the width consumed for a given line and @code{y} is the portion of the height. For example, @@ -1080,6 +1099,7 @@ and draws the stencil based on its coordinates. (if mirrored? (my-c-p-s downlist thick decresc?) empty-stencil)) (cons xtrans ytrans))) '()))) +(export elbowed-hairpin) (define-public flared-hairpin (elbowed-hairpin '((0.95 . 0.4) (1.0 . 1.0)) #t)) @@ -1099,13 +1119,14 @@ and draws the stencil based on its coordinates. (make-tied-lyric-markup text) text)))) -(define-public ((grob::calc-property-by-copy prop) grob) +(define ((grob::calc-property-by-copy prop) grob) (ly:event-property (event-cause grob) prop)) +(export grob::calc-property-by-copy) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; general inheritance -(define-public ((grob::inherit-parent-property axis property . default) grob) +(define ((grob::inherit-parent-property axis property . default) grob) "@var{grob} callback generator for inheriting a @var{property} from an @var{axis} parent, defaulting to @var{default} if there is no parent or the parent has no setting." @@ -1115,6 +1136,7 @@ parent or the parent has no setting." (apply ly:grob-property parent property default)) ((pair? default) (car default)) (else '())))) +(export grob::inherit-parent-property) ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; fret boards @@ -1139,17 +1161,20 @@ parent or the parent has no setting." (define-public (script-interface::calc-x-offset grob) (ly:grob-property grob 'positioning-done) - (let* ((shift (ly:grob-property grob 'toward-stem-shift 0.0)) + (let* ((shift-when-alone (ly:grob-property grob 'toward-stem-shift 0.0)) + (shift-in-column (ly:grob-property grob 'toward-stem-shift-in-column)) + (script-column (ly:grob-object grob 'script-column)) + (shift (if (and (ly:grob? script-column) (number? shift-in-column)) + shift-in-column shift-when-alone)) (note-head-location - (ly:self-alignment-interface::centered-on-x-parent grob)) + (ly:self-alignment-interface::aligned-on-x-parent grob)) (note-head-grob (ly:grob-parent grob X)) (stem-grob (ly:grob-object note-head-grob 'stem))) (+ note-head-location - ;; If the property 'toward-stem-shift is defined and the script - ;; has the same direction as the stem, move the script accordingly. - ;; Since scripts can also be over skips, we need to check whether - ;; the grob has a stem at all. + ;; If the script has the same direction as the stem, move the script + ;; in accordance with the value of 'shift'. Since scripts can also be + ;; over skips, we need to check whether the grob has a stem at all. (if (ly:grob? stem-grob) (let ((dir1 (ly:grob-property grob 'direction)) (dir2 (ly:grob-property stem-grob 'direction))) @@ -1342,3 +1367,82 @@ parent or the parent has no setting." (larger (max (car edge-height) (cdr edge-height)))) (interval-union '(0 . 0) (cons smaller larger))) '(0 . 0)))) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; measure counter + +(define-public (measure-counter-stencil grob) + "Print a number for a measure count. The number is centered using +the extents of @code{BreakAlignment} grobs associated with the left and +right bounds of a @code{MeasureCounter} spanner. Broken measures are +numbered in parentheses." + (let* ((num (markup (number->string (ly:grob-property grob 'count-from)))) + (orig (ly:grob-original grob)) + (siblings (ly:spanner-broken-into orig)) ; have we been split? + (num + (if (or (null? siblings) + (eq? grob (car siblings))) + num + (make-parenthesize-markup num))) + (num (grob-interpret-markup grob num)) + (num (ly:stencil-aligned-to num X (ly:grob-property grob 'self-alignment-X))) + (left-bound (ly:spanner-bound grob LEFT)) + (right-bound (ly:spanner-bound grob RIGHT)) + (elts-L (ly:grob-array->list (ly:grob-object left-bound 'elements))) + (elts-R (ly:grob-array->list (ly:grob-object right-bound 'elements))) + (break-alignment-L + (filter + (lambda (elt) (grob::has-interface elt 'break-alignment-interface)) + elts-L)) + (break-alignment-R + (filter + (lambda (elt) (grob::has-interface elt 'break-alignment-interface)) + elts-R)) + (refp (ly:grob-system grob)) + (break-alignment-L-ext (ly:grob-extent (car break-alignment-L) refp X)) + (break-alignment-R-ext (ly:grob-extent (car break-alignment-R) refp X)) + (num + (ly:stencil-translate-axis + num + (+ (interval-length break-alignment-L-ext) + (* 0.5 + (- (car break-alignment-R-ext) + (cdr break-alignment-L-ext)))) + X))) + num)) + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; make-engraver helper macro + +(defmacro-public make-engraver forms + "Helper macro for creating Scheme engravers. + +The usual form for an engraver is an association list (or alist) +mapping symbols to either anonymous functions or to another such +alist. + +@code{make-engraver} accepts forms where the first element is either +an argument list starting with the respective symbol, followed by the +function body (comparable to the way @code{define} is used for +defining functions), or a single symbol followed by subordinate forms +in the same manner. You can also just make an alist pair +literally (the @samp{car} is quoted automatically) as long as the +unevaluated @samp{cdr} is not a pair. This is useful if you already +have defined your engraver functions separately. + +Symbols mapping to a function would be @code{initialize}, +@code{start-translation-timestep}, @code{process-music}, +@code{process-acknowledged}, @code{stop-translation-timestep}, and +@code{finalize}. Symbols mapping to another alist specified in the +same manner are @code{listeners} with the subordinate symbols being +event classes, and @code{acknowledgers} and @code{end-acknowledgers} +with the subordinate symbols being interfaces." + (let loop ((forms forms)) + (if (or (null? forms) (pair? forms)) + `(list + ,@(map (lambda (form) + (if (pair? (car form)) + `(cons ',(caar form) (lambda ,(cdar form) ,@(cdr form))) + `(cons ',(car form) ,(loop (cdr form))))) + forms)) + forms)))