Hi Valentin,
2008/9/19 Valentin Villenave <[EMAIL PROTECTED]>:
> 2008/9/19 Risto Vääräniemi <[EMAIL PROTECTED]>:
>
>> Can someone tell me how I can get the text width inside scheme?
>
> I think you might be interested in using ly:stencil-extent
> (not sure though)
Yes, that might be another option. However, I've got a egg-hen problem
here. Trevor's code creates the "X bis" text/stencil and I would like
to move the whole schmeer to the right by the width of the " bis". I
can get the width of the BarNumber #'stencil but that's not enough
because the width already contains the width of the " bis". The
X-offset is taken into account after the stencil has been formed.
It seems that there is a way to change a piece of text into a stencil
(fontify-text), however that uses the same ly:text-dimension
font-metric text function. :-) Is there another way?
I was hoping for something like this:
#(define (bar-number-X BarNumber)
"Move the text right by the width of bis"
(let* (
(textBis " bis")
(extentOrig (ly:stencil-extent (ly:grob-property BarNumber 'stencil) 0))
(widthOrig (- (cdr extentOrig) (car extentOrig)))
(widthBis (ly:some-magical-function-to-get-width textBis)))
(- widthBis widthOrig)))
I could use it like this BarNumber #'X-offset = #bar-number-X
This might be usable only for bar numbers that are positioned at the
beginning of the staff. It would be a nice feature, anyway.
-Risto
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