(define-public (grob::is-live? grob)
(pair? (ly:grob-basic-properties grob)))
-(define-public (grob::x-parent-width grob)
- (ly:grob-property (ly:grob-parent grob X) 'X-extent))
-
(define-public (make-stencil-boxer thickness padding callback)
"Return function that adds a box around the grob passed as argument."
(lambda (grob)
(ly:text-interface::interpret-markup layout props text)))
+(define-public (grob::unpure-Y-extent-from-stencil pure-function)
+ "The unpure height will come from a stencil whereas the pure
+ height will come from @code{pure-function}."
+ (ly:make-unpure-pure-container ly:grob::stencil-height pure-function))
+
+(define-public grob::unpure-horizontal-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::horizontal-skylines-from-stencil
+ ly:grob::pure-simple-horizontal-skylines-from-extents))
+
+(define-public grob::always-horizontal-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::horizontal-skylines-from-stencil))
+
+(define-public grob::unpure-vertical-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::vertical-skylines-from-stencil
+ ly:grob::pure-simple-vertical-skylines-from-extents))
+
+(define-public grob::always-vertical-skylines-from-stencil
+ (ly:make-unpure-pure-container
+ ly:grob::vertical-skylines-from-stencil))
+
+(define-public grob::always-vertical-skylines-from-element-stencils
+ (ly:make-unpure-pure-container
+ ly:grob::vertical-skylines-from-element-stencils
+ ly:grob::pure-vertical-skylines-from-element-stencils))
+
+(define-public grob::always-horizontal-skylines-from-element-stencils
+ (ly:make-unpure-pure-container
+ ly:grob::horizontal-skylines-from-element-stencils
+ ly:grob::pure-horizontal-skylines-from-element-stencils))
+
+;; Using this as a callback for a grob's Y-extent promises
+;; that the grob's stencil does not depend on line-spacing.
+;; We use this promise to figure the space required by Clefs
+;; and such at the note-spacing stage.
+
+(define-public grob::always-Y-extent-from-stencil
+ (ly:make-unpure-pure-container ly:grob::stencil-height))
+
+(define-public (layout-line-thickness grob)
+ "Get the line thickness of the @var{grob}'s corresponding layout."
+ (let* ((layout (ly:grob-layout grob))
+ (line-thickness (ly:output-def-lookup layout 'line-thickness)))
+
+ line-thickness))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; beam slope
;; side-position stuff
(define-public (only-if-beamed g)
- (reduce lily-or
- #f
- (map (lambda (x)
- (ly:grob? (ly:grob-object x 'beam)))
- (ly:grob-array->list (ly:grob-object g
- 'side-support-elements)))))
+ (any (lambda (x) (ly:grob? (ly:grob-object x 'beam)))
+ (ly:grob-array->list (ly:grob-object g 'side-support-elements))))
+
+(define-public side-position-interface::y-aligned-side
+ (ly:make-unpure-pure-container
+ ly:side-position-interface::y-aligned-side
+ ly:side-position-interface::pure-y-aligned-side))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; self-alignment stuff
+
+(define-public self-alignment-interface::y-aligned-on-self
+ (ly:make-unpure-pure-container
+ ly:self-alignment-interface::y-aligned-on-self
+ ly:self-alignment-interface::pure-y-aligned-on-self))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; staff symbol
+
+(define staff-symbol-referencer::callback
+ (ly:make-unpure-pure-container ly:staff-symbol-referencer::callback))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; note heads
(if (stem-stub::do-calculations grob)
(let* ((dad (ly:grob-parent grob X))
(refp (ly:grob-common-refpoint grob dad Y))
- (stem_ph (ly:grob-pure-height dad refp 0 1000000))
- (my_ph (ly:grob-pure-height grob refp 0 1000000))
+ (stem_ph (ly:grob-pure-height dad refp 0 INFINITY-INT))
+ (my_ph (ly:grob-pure-height grob refp 0 INFINITY-INT))
;; only account for distance if stem is on different staff than stub
(dist (if (grob::has-interface refp 'hara-kiri-group-spanner-interface)
0
(define-public center-visible #(#f #t #f))
(define-public end-of-line-visible #(#t #f #f))
(define-public all-invisible #(#f #f #f))
-(define-public (inherit-x-parent-visibility grob)
- (let ((parent (ly:grob-parent grob X)))
- (ly:grob-property parent 'break-visibility all-invisible)))
-(define-public (inherit-y-parent-visibility grob)
- (let ((parent (ly:grob-parent grob X)))
- (ly:grob-property parent 'break-visibility)))
-
-
-(define-public spanbar-begin-of-line-invisible #(#t #f #f))
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; neighbor-interface routines
(cons -0.1 0.1)))
(define-public (pure-from-neighbor-interface::extra-spacing-height grob)
- (let* ((height (ly:grob-pure-height grob grob 0 10000000))
+ (let* ((height (ly:grob-pure-height grob grob 0 INFINITY-INT))
(from-neighbors (interval-union
height
(ly:axis-group-interface::pure-height
grob
0
- 10000000))))
+ INFINITY-INT))))
(coord-operation - from-neighbors height)))
+;; If there are neighbors, we place the height at their midpoint
+;; to avoid protrusion of this pure height out of the vertical
+;; axis group on either side. This will minimize the impact of the
+;; grob on pure minimum translations.
+
+;; TODO - there is a double call to axis-group-interface::pure-height
+;; here and then in the extra-spacing-height function above. Can/should this
+;; be rolled into one?
+(define-public (pure-from-neighbor-interface::pure-height grob beg end)
+ (let* ((height (ly:axis-group-interface::pure-height
+ grob
+ 0
+ INFINITY-INT))
+ (c (interval-center height)))
+ (if (interval-empty? height) empty-interval (cons c c))))
+
+;; Minimizes the impact of the height on vertical spacing while allowing
+;; it to appear in horizontal skylines of paper columns if necessary.
+(define-public pure-from-neighbor-interface::height-if-pure
+ (ly:make-unpure-pure-container #f pure-from-neighbor-interface::pure-height))
+
(define-public (pure-from-neighbor-interface::account-for-span-bar grob)
(let* ((esh (pure-from-neighbor-interface::extra-spacing-height grob))
(hsb (ly:grob-property grob 'has-span-bar))
(assoc-get (ly:grob-property grob 'alteration)
standard-alteration-glyph-name-alist))
+(define-public accidental-interface::height
+ (ly:make-unpure-pure-container
+ ly:accidental-interface::height
+ ly:accidental-interface::pure-height))
+
(define-public cancellation-glyph-name-alist
'((0 . "accidentals.natural")))
(- y-center (ly:grob-relative-coordinate me y-ref Y))))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; offset callbacks
+
+(define-public (pure-chain-offset-callback grob start end prev-offset)
+ "Sometimes, a chained offset callback is unpure and there is
+ no way to write a pure function that estimates its behavior.
+ In this case, we use a pure equivalent that will simply pass
+ the previous calculated offset value."
+ prev-offset)
+
+(define-public (outside-staff::pure-Y-offset grob start end)
+ "Initial vertical placement of items such as tempo and
+ rehearsal marks, for use in note-spacing."
+ (* (+ (ly:staff-symbol-staff-radius grob)
+ (ly:grob-property grob 'outside-staff-padding 0.0)
+ 1.0)
+ (ly:grob-property grob 'direction CENTER)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
(ly:grob-relative-coordinate spanner common-y Y)))
(interval-end
(ly:grob-robust-relative-extent dots common X))
- ;; TODO: use real infinity constant.
- -10000))))
+ (- INFINITY-INT)))))
(right-x (max (- (interval-start
(ly:grob-robust-relative-extent right-span common X))
padding)
'(bound-details left padding)
(+ my-padding script-padding)))))))
+(define-public ((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,
+@code{'((0.3 . 0.7) (0.8 . 0.9) (1.0 . 1.0))} means that at the point
+where the hairpin has consumed 30% of its width, it must
+be at 70% of its height. Once it is to 80% width, it
+must be at 90% height. It finishes at
+100% width and 100% height. @var{mirrored?} indicates if the hairpin
+is mirrored over the Y-axis or if just the upper part is drawn.
+Returns a function that accepts a hairpin grob as an argument
+and draws the stencil based on its coordinates.
+@lilypond[verbatim,quote]
+#(define simple-hairpin
+ (elbowed-hairpin '((1.0 . 1.0)) #t))
+
+\\relative c' {
+ \\override Hairpin #'stencil = #simple-hairpin
+ a\\p\\< a a a\\f
+}
+@end lilypond
+"
+ (define (pair-to-list pair)
+ (list (car pair) (cdr pair)))
+ (define (normalize-coords goods x y)
+ (map
+ (lambda (coord)
+ (cons (* x (car coord)) (* y (cdr coord))))
+ goods))
+ (define (my-c-p-s points thick decresc?)
+ (make-connected-path-stencil
+ points
+ thick
+ (if decresc? -1.0 1.0)
+ 1.0
+ #f
+ #f))
+ ; outer let to trigger suicide
+ (let ((sten (ly:hairpin::print grob)))
+ (if (grob::is-live? grob)
+ (let* ((decresc? (eq? (ly:grob-property grob 'grow-direction) LEFT))
+ (thick (ly:grob-property grob 'thickness 0.1))
+ (thick (* thick (layout-line-thickness grob)))
+ (xex (ly:stencil-extent sten X))
+ (lenx (interval-length xex))
+ (yex (ly:stencil-extent sten Y))
+ (leny (interval-length yex))
+ (xtrans (+ (car xex) (if decresc? lenx 0)))
+ (ytrans (car yex))
+ (uplist (map pair-to-list
+ (normalize-coords coords lenx (/ leny 2))))
+ (downlist (map pair-to-list
+ (normalize-coords coords lenx (/ leny -2)))))
+ (ly:stencil-translate
+ (ly:stencil-add
+ (my-c-p-s uplist thick decresc?)
+ (if mirrored? (my-c-p-s downlist thick decresc?) empty-stencil))
+ (cons xtrans ytrans)))
+ '())))
+
+(define-public flared-hairpin
+ (elbowed-hairpin '((0.95 . 0.4) (1.0 . 1.0)) #t))
+
+(define-public constante-hairpin
+ (elbowed-hairpin '((1.0 . 0.0) (1.0 . 1.0)) #f))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; lyrics
(define-public ((grob::calc-property-by-copy prop) grob)
(ly:event-property (event-cause grob) prop))
-(define-public ((grob::calc-property-by-non-event-cause prop) grob)
- (ly:grob-property (non-event-cause grob) prop))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; general inheritance
+(define-public ((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."
+ (let ((parent (ly:grob-parent grob axis)))
+ (cond
+ ((ly:grob? parent)
+ (apply ly:grob-property parent property default))
+ ((pair? default) (car default))
+ (else '()))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; fret boards
(ly:grob-property grob 'dot-placement-list))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; slurs
+
+(define-public slur::height
+ (ly:make-unpure-pure-container
+ ly:slur::height
+ ly:slur::pure-height))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; scripts
(interval-center extent))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; axis group interface
+
+(define-public axis-group-interface::height
+ (ly:make-unpure-pure-container
+ ly:axis-group-interface::height
+ ly:axis-group-interface::pure-height))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ambitus
(define-public (laissez-vibrer::print grob)
(ly:tie::print grob))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; volta-bracket
+
+(define-public (volta-bracket-interface::pure-height grob start end)
+ (let ((edge-height (ly:grob-property grob 'edge-height)))
+ (if (number-pair? edge-height)
+ (let ((smaller (min (car edge-height) (cdr edge-height)))
+ (larger (max (car edge-height) (cdr edge-height))))
+ (interval-union '(0 . 0) (cons smaller larger)))
+ '(0 . 0))))
projects / lilypond.git / blobdiff