Re: How to get text width in Scheme?

[Han-Wen Nienhuys]

On Fri, Sep 19, 2008 at 9:29 AM, Risto Vääräniemi <address@hidden> wrote:
> Hi all,
>
> Can someone tell me how I can get the text width inside scheme?
>
> There's a method called ly:text-dimension that takes font metric and
> the text as parameters and gives the dimensions. Alright - I should
> get the font metric somehow. I tried (let ((fontMetr (ly:grob-property
> BarNumber 'font))) (...)) but the fontMetr is not a font metric
> (ly:font-metric? returns false) although the description in
> font-interface made me think so.

This is sort-of a bug. The 'font is only set in C++, from

Font_interface::get_default_font (Grob *me)

we should change this so it uses the standard property calculation
scheme. Then your sample code works correctly.

-- 
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen