(y (cdr dest)))
(make-line-stencil th 0 0 x y)))
+(define-markup-command (draw-hline layout props)
+ ()
+ #:category graphic
+ #:properties ((draw-line-markup)
+ (line-width)
+ (span-factor 1))
+ "
+@cindex drawing a line across a page
+
+Draws a line across a page, where the property @code{span-factor}
+controls what fraction of the page is taken up.
+@lilypond[verbatim,quote]
+\\markup {
+ \\column {
+ \\draw-hline
+ \\override #'(span-factor . 1/3)
+ \\draw-hline
+ }
+}
+@end lilypond"
+ (interpret-markup layout
+ props
+ (markup #:draw-line (cons (* line-width
+ span-factor)
+ 0))))
+
(define-markup-command (draw-circle layout props radius thickness filled)
(number? number? boolean?)
#:category graphic
(ly:stencil-add (ly:make-stencil url-expr xextent yextent) stil)))
+(define-markup-command (page-link layout props page-number arg)
+ (number? markup?)
+ #:category other
+ "
+@cindex referencing page numbers in text
+
+Add a link to the page @var{page-number} around @var{arg}. This only works in
+the PDF backend.
+
+@lilypond[verbatim,quote]
+\\markup {
+ \\page-link #2 { \\italic { This links to page 2... } }
+}
+@end lilypond"
+ (let* ((stil (interpret-markup layout props arg))
+ (xextent (ly:stencil-extent stil X))
+ (yextent (ly:stencil-extent stil Y))
+ (old-expr (ly:stencil-expr stil))
+ (link-expr (list 'page-link page-number `(quote ,xextent) `(quote ,yextent))))
+
+ (ly:stencil-add (ly:make-stencil link-expr xextent yextent) stil)))
+
+(define-markup-command (with-link layout props label arg)
+ (symbol? markup?)
+ #:category other
+ "
+@cindex referencing page labels in text
+
+Add a link to the page holding label @var{label} around @var{arg}. This
+only works in the PDF backend.
+
+@lilypond[verbatim,quote]
+\\markup {
+ \\with-link #\"label\" { \\italic { This links to the page containing the label... } }
+}
+@end lilypond"
+ (let* ((arg-stencil (interpret-markup layout props arg))
+ (x-ext (ly:stencil-extent arg-stencil X))
+ (y-ext (ly:stencil-extent arg-stencil Y)))
+ (ly:make-stencil
+ `(delay-stencil-evaluation
+ ,(delay (ly:stencil-expr
+ (let* ((table (ly:output-def-lookup layout 'label-page-table))
+ (page-number (if (list? table)
+ (assoc-get label table)
+ #f))
+ (link-expr (list 'page-link page-number
+ `(quote ,x-ext) `(quote ,y-ext))))
+ (ly:stencil-add (ly:make-stencil link-expr x-ext y-ext)
+arg-stencil)))))
+ x-ext
+ y-ext)))
+
+
(define-markup-command (beam layout props width slope thickness)
(number? number? number?)
#:category graphic
(list markup?))
(interpret-markup layout props (list anonymous-with-signature arg))))
+(define-markup-command (footnote layout props mkup note)
+ (markup? markup?)
+ #:category other
+ "Have footnote @var{note} act as an annotation to the markup @var{mkup}."
+ (ly:stencil-combine-at-edge
+ (interpret-markup layout props mkup)
+ X
+ RIGHT
+ (ly:make-stencil
+ `(footnote ,(interpret-markup layout props note))
+ '(0 . 0)
+ '(0 . 0))
+ 0.0))
+
(define-markup-command (override layout props new-prop arg)
(pair? markup?)
#:category other
(pattern-width (interval-length pattern-x-extent))
(left-width (interval-length (ly:stencil-extent (interpret-markup layout props left) X)))
(right-width (interval-length (ly:stencil-extent (interpret-markup layout props right) X)))
- (middle-width (- line-width (+ (+ left-width right-width) (* word-space 2))))
+ (middle-width (max 0 (- line-width (+ (+ left-width right-width) (* word-space 2)))))
(period (+ space pattern-width))
(count (truncate (/ (- middle-width pattern-width) period)))
(x-offset (+ (* (- (- middle-width (* count period)) pattern-width) (/ (1+ dir) 2)) (abs (car pattern-x-extent)))))