Le 28/04/2015 10:03, ArnoldTheresius a écrit :
Hello,
if the first-page-number is different than 1, then the page-links in the PDF
(i.e. TOC, \page-link, \label & \page-ref) lead you to the wrong page.
E.g. first-page-number = 3; then a link to page 4 will lead you to the 4th
page, but this is page 6.
(done with Lilypond 2.18.2 on Windows, both Acrobat and SumatraPDF)
Here is what I do, thanks to Thomas Morley, and it works like a charm.
Cheers,
Jean-Charles
%%%%%%%%%%%%%%%%%%%%%
%% Correct page linking in pdf
%% Thanks Thomas Morley
#(define (book-first-page layout props)
(define (ancestor layout)
"Return the topmost layout ancestor"
(let ((parent (ly:output-def-parent layout)))
(if (not (ly:output-def? parent))
layout
(ancestor parent))))
(ly:output-def-lookup (ancestor layout) 'first-page-number))
#(define-markup-command (with-link layout props label arg)
(symbol? markup?)
(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))
(first-page-number (book-first-page layout props))
(orig-page-number (if (list? table)
(assoc-get label table)
#f))
(page-number (+ orig-page-number (+ 1 (* -1
first-page-number) )))
(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)))
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