RE: font metric

[Fairchild]

These chunks are taken from the program reference for LilyPond version
2.8.5,
http://lilypond.org/doc/v2.8/Documentation/user/lilypond-internals/Scheme-fu
nctions.html#Scheme-functions :

- Function: ly:font-design-size font
    Given the font metric font, return the design size, relative to the
current output-scale. 

- Function: ly:font-file-name font
    Given the font metric font, return the corresponding file name. 

- Function: ly:font-magnification font
    Given the font metric font, return the magnification, relative to the
current outputs-cale. 

- Function: ly:font-name font
    Given the font metric font, return the corresponding name. 

- Function: ly:font-sub-fonts font
    Given the font metric font of an OpenType font, return the names of the
subfonts within font. 

What does a 'font metric font' look like?  Is there an example using any of
these Scheme functions?

                                  - Bruce

-----Original Message-----
From: address@hidden
[mailto:address@hidden On Behalf Of
Fairchild
Sent: Friday, July 21, 2006 7:21 AM
To: address@hidden
Subject: font metric


In several places, documentation refers to "font metric" but I have not
found a syntax definition or an example of its use.  

Specifically, in the function: ly:font-filename font (given the font metric
font, return the corresponding file name) what is the syntax for font?

                                - Bruce






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