+;;;; stenicil.scm --
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2003--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-(define-public (stack-stencils axis dir padding mols)
- "Stack stencils MOLS in direction AXIS,DIR, using PADDING."
- (if (null? mols)
+(define-public (stack-stencils axis dir padding stils)
+ "Stack stencils STILS in direction AXIS, DIR, using PADDING."
+ (if (null? stils)
'()
- (if (pair? mols)
- (ly:stencil-combine-at-edge (car mols) axis dir
- (stack-stencils axis dir padding (cdr mols))
- padding
- )
- )
- ))
+ (if (pair? stils)
+ (ly:stencil-combine-at-edge
+ (car stils) axis dir (stack-stencils axis dir padding (cdr stils))
+ padding))))
-
-(define-public (stack-lines dir padding baseline mols)
+(define-public (stack-lines dir padding baseline stils)
"Stack vertically with a baseline-skip."
- (if (null? mols)
+ (if (null? stils)
'()
- (if (null? (cdr mols))
- (car mols)
- (ly:stencil-combine-at-edge (car mols) Y dir
- (stack-lines dir padding baseline (cdr mols))
- padding baseline
- )
- )))
+ (if (null? (cdr stils))
+ (car stils)
+ (ly:stencil-combine-at-edge
+ (car stils) Y dir
+ (stack-lines dir padding baseline (cdr stils))
+ padding baseline))))
-(define-public (fontify-text font-metric text)
- "Set TEXT with font FONT-METRIC, returning a stencil."
- (let* ((b (ly:text-dimension font-metric text)))
- (ly:make-stencil
- (ly:fontify-atom font-metric `(text ,text)) (car b) (cdr b))
- ))
-
-(define-public (bracketify-stencil mol axis thick protusion padding)
- "Add brackets around MOL, producing a new stencil."
+(define-public (bracketify-stencil stil axis thick protusion padding)
+ "Add brackets around STIL, producing a new stencil."
- (let* ((ext (ly:stencil-get-extent mol axis))
+ (let* ((ext (ly:stencil-extent stil axis))
(lb (ly:bracket axis ext thick (- protusion)))
(rb (ly:bracket axis ext thick protusion)))
- (set! mol (ly:stencil-combine-at-edge mol (other-axis axis) 1 lb padding))
- (set! mol (ly:stencil-combine-at-edge mol (other-axis axis) -1 rb padding))
- mol
- ))
+ (set! stil
+ (ly:stencil-combine-at-edge stil (other-axis axis) 1 lb padding))
+ (set! stil
+ (ly:stencil-combine-at-edge stil (other-axis axis) -1 rb padding))
+ stil))
(define-public (make-filled-box-stencil xext yext)
"Make a filled box."
(ly:make-stencil
(list 'filledbox (- (car xext)) (cdr xext)
(- (car yext)) (cdr yext))
- xext yext)
-)
+ xext yext))
(define-public (box-grob-stencil grob)
"Make a box of exactly the extents of the grob. The box precisely
encloses the contents.
"
- (let* ((xext (ly:get-extent grob grob 0))
- (yext (ly:get-extent grob grob 1))
+ (let* ((xext (ly:grob-extent grob grob 0))
+ (yext (ly:grob-extent grob grob 1))
(thick 0.1))
- (ly:stencil-add (make-filled-box-stencil xext (cons (- (car yext) thick) (car yext) ))
- (make-filled-box-stencil xext (cons (cdr yext) (+ (cdr yext) thick) ))
- (make-filled-box-stencil (cons (cdr xext) (+ (cdr xext) thick)) yext)
- (make-filled-box-stencil (cons (- (car xext) thick) (car xext)) yext))))
-
+ (ly:stencil-add
+ (make-filled-box-stencil xext (cons (- (car yext) thick) (car yext)))
+ (make-filled-box-stencil xext (cons (cdr yext) (+ (cdr yext) thick)))
+ (make-filled-box-stencil (cons (cdr xext) (+ (cdr xext) thick)) yext)
+ (make-filled-box-stencil (cons (- (car xext) thick) (car xext)) yext))))
;; TODO merge this and prev function.
-(define-public (box-stencil mol thick padding)
- "Add a box around MOL, producing a new stencil."
- (let* (
- (x-ext (interval-widen (ly:stencil-get-extent mol 0) padding))
- (y-ext (interval-widen (ly:stencil-get-extent mol 1) padding))
+(define-public (box-stencil stil thick padding)
+ "Add a box around STIL, producing a new stencil."
+ (let* ((x-ext (interval-widen (ly:stencil-extent stil 0) padding))
+ (y-ext (interval-widen (ly:stencil-extent stil 1) padding))
(y-rule (make-filled-box-stencil (cons 0 thick) y-ext))
(x-rule (make-filled-box-stencil (interval-widen x-ext thick)
- (cons 0 thick)))
- )
- (set! mol (ly:stencil-combine-at-edge mol X 1 y-rule padding))
- (set! mol (ly:stencil-combine-at-edge mol X -1 y-rule padding))
- (set! mol (ly:stencil-combine-at-edge mol Y 1 x-rule 0.0))
- (set! mol (ly:stencil-combine-at-edge mol Y -1 x-rule 0.0))
+ (cons 0 thick))))
- mol))
+ (set! stil (ly:stencil-combine-at-edge stil X 1 y-rule padding))
+ (set! stil (ly:stencil-combine-at-edge stil X -1 y-rule padding))
+ (set! stil (ly:stencil-combine-at-edge stil Y 1 x-rule 0.0))
+ (set! stil (ly:stencil-combine-at-edge stil Y -1 x-rule 0.0))
+
+ stil))
+
+(define-public (fontify-text font-metric text)
+ "Set TEXT with font FONT-METRIC, returning a stencil."
+ (let* ((b (ly:text-dimension font-metric text)))
+ (ly:make-stencil
+ `(text ,font-metric ,text) (car b) (cdr b))))
+
+(define-public (fontify-text-white scale font-metric text)
+ "Set TEXT with scale factor s"
+ (let* ((b (ly:text-dimension font-metric text))
+ (c `(white-text ,(* 2 scale) ,text))) ;urg -- workaround for using ps font
+ (ly:make-stencil c (car b) (cdr b)))) ;urg -- extent is not from ps font, but we hope it's close
projects / lilypond.git / blobdiff