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bad number formatting in svg path output
From: |
lpietsch |
Subject: |
bad number formatting in svg path output |
Date: |
Thu, 6 Mar 2014 10:50:37 -0800 (PST) |
There may be a bug in scm/output-svg.scm, in the function that processes
stencil expressions created with "(ly:create-stencil '(path ...))". If a
coordinate in the path expression happens to be the result of a Scheme
computation that is a fractional rational number, it will be written into
the SVG output literally as a Scheme fraction (e.g. "3/2"). SVG does not
understand this format.
Test snippet:
\once \override NoteHead.stencil =
#(ly:make-stencil `(path 0.2
'(moveto 0 0
rlineto 0 ,(/ 3 2))
'round 'round #f)
'(-0.1 . 0.1)'(0 . 1.5))
c4
This stencil will not display in SVG output, though it does display fine in
PS and PDF.
A possible fix may be to change line 86 of /scm/output-svg.scm to force
output as a decimal number. Change from:
(cons (format #f "~S ~S" (car lst) (- (cadr lst)))
to:
(cons (ly:format "~4f ~4f" (car lst) (- (cadr lst)))
Lukas
--
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- bad number formatting in svg path output,
lpietsch <=