2 (define-public (stack-molecules axis dir padding mols)
3 "Stack molecules MOLS in direction AXIS,DIR, using PADDING."
7 (ly:combine-molecule-at-edge (car mols) axis dir
8 (stack-molecules axis dir padding (cdr mols))
17 (define-public (fontify-text font-metric text)
18 "Set TEXT with font FONT-METRIC, returning a molecule."
19 (let* ((b (ly:text-dimension font-metric text)))
21 (ly:fontify-atom font-metric `(text ,text)) (car b) (cdr b))
24 (define-public (bracketify-molecule mol axis thick protusion padding)
25 "Add brackets around MOL, producing a new molecule."
28 (ext (ly:get-molecule-extent mol axis))
29 (lb (ly:bracket axis ext thick (- protusion)))
30 (rb (ly:bracket axis ext thick protusion))
32 (set! mol (ly:combine-molecule-at-edge mol (other-axis axis) 1 lb padding))
33 (set! mol (ly:combine-molecule-at-edge mol (other-axis axis) -1 rb padding))
39 (define-public (box-molecule xext yext)
43 (list 'filledbox (- (car xext)) (cdr xext)
44 (- (car yext)) (cdr yext))
48 (define-public (box-grob-molecule grob)
49 "Make a box of exactly the extents of the grob. The box precisely
50 encloses the contents.
52 (let* ((xext (ly:get-extent grob grob 0))
53 (yext (ly:get-extent grob grob 1))
54 (mol (ly:make-molecule '() '(10000 . -10000) '(10000 . -10000)))
58 (set! mol (ly:add-molecule mol (box-molecule xext (cons (- (car yext) thick) (car yext) ))))
59 (set! mol (ly:add-molecule mol (box-molecule xext (cons (cdr yext) (+ (cdr yext) thick) ))))
60 (set! mol (ly:add-molecule mol (box-molecule (cons (cdr xext) (+ (cdr xext) thick)) yext)))
61 (set! mol (ly:add-molecule mol (box-molecule (cons (- (car xext) thick) (car xext)) yext)))